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Author SHA1 Message Date
Stéphane Nicoll 8f64480c9f Release v6.2.10 2025-08-14 09:15:43 +02:00
6314 changed files with 94025 additions and 150609 deletions
@@ -0,0 +1,20 @@
name: Await HTTP Resource
description: 'Waits for an HTTP resource to be available (a HEAD request succeeds)'
inputs:
url:
description: 'URL of the resource to await'
required: true
runs:
using: composite
steps:
- name: Await HTTP resource
shell: bash
run: |
url=${{ inputs.url }}
echo "Waiting for $url"
until curl --fail --head --silent ${{ inputs.url }} > /dev/null
do
echo "."
sleep 60
done
echo "$url is available"
+1 -23
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@@ -1,18 +1,6 @@
name: 'Build'
description: 'Builds the project, optionally publishing it to a local deployment repository'
inputs:
commercial-release-repository-url:
description: 'URL of the release repository'
required: false
commercial-repository-password:
description: 'Password for authentication with the commercial repository'
required: false
commercial-repository-username:
description: 'Username for authentication with the commercial repository'
required: false
commercial-snapshot-repository-url:
description: 'URL of the snapshot repository'
required: false
develocity-access-key:
description: 'Access key for authentication with ge.spring.io'
required: false
@@ -31,7 +19,7 @@ inputs:
java-version:
description: 'Java version to compile and test with'
required: false
default: '25'
default: '17'
publish:
description: 'Whether to publish artifacts ready for deployment to Artifactory'
required: false
@@ -58,21 +46,11 @@ runs:
id: build
if: ${{ inputs.publish == 'false' }}
shell: bash
env:
COMMERCIAL_RELEASE_REPO_URL: ${{ inputs.commercial-release-repository-url }}
COMMERCIAL_REPO_PASSWORD: ${{ inputs.commercial-repository-password }}
COMMERCIAL_REPO_USERNAME: ${{ inputs.commercial-repository-username }}
COMMERCIAL_SNAPSHOT_REPO_URL: ${{ inputs.commercial-snapshot-repository-url }}
run: ./gradlew check antora
- name: Publish
id: publish
if: ${{ inputs.publish == 'true' }}
shell: bash
env:
COMMERCIAL_RELEASE_REPO_URL: ${{ inputs.commercial-release-repository-url }}
COMMERCIAL_REPO_PASSWORD: ${{ inputs.commercial-repository-password }}
COMMERCIAL_REPO_USERNAME: ${{ inputs.commercial-repository-username }}
COMMERCIAL_SNAPSHOT_REPO_URL: ${{ inputs.commercial-snapshot-repository-url }}
run: ./gradlew -PdeploymentRepository=$(pwd)/deployment-repository build publishAllPublicationsToDeploymentRepository
- name: Read Version From gradle.properties
id: read-version
@@ -1,13 +1,6 @@
name: Create GitHub Release
description: 'Create the release on GitHub with a changelog'
inputs:
commercial:
description: 'Whether to generate the changelog for the commercial release'
required: true
latest:
description: 'Whether the release is the latest release'
required: false
default: 'false'
milestone:
description: 'Name of the GitHub milestone for which a release will be created'
required: true
@@ -22,13 +15,13 @@ runs:
using: composite
steps:
- name: Generate Changelog
uses: spring-io/github-changelog-generator@f7d7a87a3e7c627ecb8c26cf086c38ac5a939721 #v0.0.14
uses: spring-io/github-changelog-generator@86958813a62af8fb223b3fd3b5152035504bcb83 #v0.0.12
with:
config-file: ${{ inputs.commercial && '.github/actions/create-github-release/changelog-generator-commercial.yml' || '.github/actions/create-github-release/changelog-generator-oss.yml' }}
config-file: .github/actions/create-github-release/changelog-generator.yml
milestone: ${{ inputs.milestone }}
token: ${{ inputs.token }}
- name: Create GitHub Release
shell: bash
env:
GITHUB_TOKEN: ${{ inputs.token }}
run: gh release create ${{ format('v{0}', inputs.milestone) }} --notes-file changelog.md ${{ inputs.pre-release == 'true' && '--prerelease' || format('--latest={0}', inputs.latest) }}
run: gh release create ${{ format('v{0}', inputs.milestone) }} --notes-file changelog.md ${{ inputs.pre-release == 'true' && '--prerelease' || '' }}
@@ -1,33 +0,0 @@
changelog:
repository: spring-projects/spring-framework-commercial
sections:
- title: ":warning: Attention Required"
labels:
- "for: upgrade-attention"
summary:
mode: "member-comment"
config:
prefix: "Attention Required:"
- title: ":star: New Features"
labels:
- "type: enhancement"
- title: ":lady_beetle: Bug Fixes"
labels:
- "type: bug"
- "type: regression"
- title: ":notebook_with_decorative_cover: Documentation"
labels:
- "type: documentation"
- title: ":hammer: Dependency Upgrades"
sort: "title"
labels:
- "type: dependency-upgrade"
contributors:
exclude:
names:
- "bclozel"
- "jhoeller"
- "rstoyanchev"
- "sbrannen"
- "sdeleuze"
- "snicoll"
@@ -1,13 +1,6 @@
changelog:
repository: spring-projects/spring-framework
sections:
- title: ":warning: Attention Required"
labels:
- "for: upgrade-attention"
summary:
mode: "member-comment"
config:
prefix: "Attention Required:"
- title: ":star: New Features"
labels:
- "type: enhancement"
@@ -27,7 +20,9 @@ changelog:
names:
- "bclozel"
- "jhoeller"
- "poutsma"
- "rstoyanchev"
- "sbrannen"
- "sdeleuze"
- "simonbasle"
- "snicoll"
+13 -12
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@@ -19,35 +19,36 @@ inputs:
java-version:
description: 'Java version to use for the build'
required: false
default: '25'
default: '17'
runs:
using: composite
steps:
- name: Set Up Java
uses: actions/setup-java@v5
uses: actions/setup-java@v4
with:
distribution: ${{ inputs.java-early-access == 'true' && 'temurin' || (inputs.java-distribution || 'liberica') }}
java-version: |
${{ inputs.java-early-access == 'true' && format('{0}-ea', inputs.java-version) || inputs.java-version }}
${{ inputs.java-toolchain == 'true' && '25' || '' }}
${{ inputs.java-toolchain == 'true' && '17' || '' }}
- name: Set Up Gradle
uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # 6.2.0
uses: gradle/actions/setup-gradle@ac638b010cf58a27ee6c972d7336334ccaf61c96 # v4.4.1
with:
cache-provider: basic
cache-read-only: false
develocity-access-key: ${{ inputs.develocity-access-key }}
develocity-token-expiry: 4
- name: Configure Gradle Properties
shell: bash
run: |
echo 'systemProp.user.name=spring-builds+github' >> $GRADLE_USER_HOME/gradle.properties
echo 'systemProp.org.gradle.internal.launcher.welcomeMessageEnabled=false' >> $GRADLE_USER_HOME/gradle.properties
echo 'org.gradle.daemon=false' >> $GRADLE_USER_HOME/gradle.properties
mkdir -p $HOME/.gradle
echo 'systemProp.user.name=spring-builds+github' >> $HOME/.gradle/gradle.properties
echo 'systemProp.org.gradle.internal.launcher.welcomeMessageEnabled=false' >> $HOME/.gradle/gradle.properties
echo 'org.gradle.daemon=false' >> $HOME/.gradle/gradle.properties
echo 'org.gradle.daemon=4' >> $HOME/.gradle/gradle.properties
- name: Configure Toolchain Properties
if: ${{ inputs.java-toolchain == 'true' }}
shell: bash
run: |
echo toolchainVersion=${{ inputs.java-version }} >> $GRADLE_USER_HOME/gradle.properties
echo systemProp.org.gradle.java.installations.auto-detect=false >> $GRADLE_USER_HOME/gradle.properties
echo systemProp.org.gradle.java.installations.auto-download=false >> $GRADLE_USER_HOME/gradle.properties
echo systemProp.org.gradle.java.installations.paths=${{ format('$JAVA_HOME_{0}_X64', inputs.java-version) }} >> $GRADLE_USER_HOME/gradle.properties
echo toolchainVersion=${{ inputs.java-version }} >> $HOME/.gradle/gradle.properties
echo systemProp.org.gradle.java.installations.auto-detect=false >> $HOME/.gradle/gradle.properties
echo systemProp.org.gradle.java.installations.auto-download=false >> $HOME/.gradle/gradle.properties
echo systemProp.org.gradle.java.installations.paths=${{ format('$JAVA_HOME_{0}_X64', inputs.java-version) }} >> $HOME/.gradle/gradle.properties
@@ -1,7 +0,0 @@
name: Build Release
runs:
using: composite
steps:
- name: Build Release
shell: bash
run: ./gradlew -PdeploymentRepository=$(pwd)/deployment-repository publishAllPublicationsToDeploymentRepository
@@ -1,16 +0,0 @@
artifactory:
artifacts:
- pattern: "/**/framework-api-*.zip"
properties:
zip.deployed: "false"
zip.name: "spring-framework"
- pattern: "/**/framework-api-*-docs.zip"
properties:
zip.type: "docs"
- pattern: "/**/framework-api-*-schema.zip"
properties:
zip.type: "schema"
maven-central:
excludes:
- "org/springframework/framework-api/**"
- "org/springframework/framework-docs/**"
@@ -1,7 +0,0 @@
name: Test Release
runs:
using: composite
steps:
- name: Test Release
shell: bash
run: ./gradlew check
@@ -0,0 +1,34 @@
name: Sync to Maven Central
description: 'Syncs a release to Maven Central and waits for it to be available for use'
inputs:
central-token-password:
description: 'Password for authentication with central.sonatype.com'
required: true
central-token-username:
description: 'Username for authentication with central.sonatype.com'
required: true
jfrog-cli-config-token:
description: 'Config token for the JFrog CLI'
required: true
spring-framework-version:
description: 'Version of Spring Framework that is being synced to Central'
required: true
runs:
using: composite
steps:
- name: Set Up JFrog CLI
uses: jfrog/setup-jfrog-cli@f748a0599171a192a2668afee8d0497f7c1069df # v4.5.6
env:
JF_ENV_SPRING: ${{ inputs.jfrog-cli-config-token }}
- name: Download Release Artifacts
shell: bash
run: jf rt download --spec ${{ format('{0}/artifacts.spec', github.action_path) }} --spec-vars 'buildName=${{ format('spring-framework-{0}', inputs.spring-framework-version) }};buildNumber=${{ github.run_number }}'
- name: Sync
uses: spring-io/central-publish-action@0cdd90d12e6876341e82860d951e1bcddc1e51b6 # v0.2.0
with:
token: ${{ inputs.central-token-password }}
token-name: ${{ inputs.central-token-username }}
- name: Await
uses: ./.github/actions/await-http-resource
with:
url: ${{ format('https://repo.maven.apache.org/maven2/org/springframework/spring-context/{0}/spring-context-{0}.jar', inputs.spring-framework-version) }}
@@ -0,0 +1,20 @@
{
"files": [
{
"aql": {
"items.find": {
"$and": [
{
"@build.name": "${buildName}",
"@build.number": "${buildNumber}",
"path": {
"$nmatch": "org/springframework/framework-api/*"
}
}
]
}
},
"target": "nexus/"
}
]
}
-3
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@@ -1,3 +0,0 @@
require:
members: false
-18
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@@ -1,18 +0,0 @@
workflow:
generator:
project:
java:
versions:
primary: 25
workflows:
release-train:
build:
env:
COMMERCIAL_REPO_USERNAME: secrets.COMMERCIAL_ARTIFACTORY_USERNAME
COMMERCIAL_REPO_PASSWORD: secrets.COMMERCIAL_ARTIFACTORY_PASSWORD
COMMERCIAL_RELEASE_REPO_URL: vars.COMMERCIAL_RELEASE_REPO_URL
test:
env:
COMMERCIAL_REPO_USERNAME: secrets.COMMERCIAL_ARTIFACTORY_USERNAME
COMMERCIAL_REPO_PASSWORD: secrets.COMMERCIAL_ARTIFACTORY_PASSWORD
COMMERCIAL_RELEASE_REPO_URL: vars.COMMERCIAL_RELEASE_REPO_URL
+16 -4
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@@ -7,15 +7,27 @@ on:
push:
branches:
- '*.x'
permissions:
contents: read
jobs:
backport-issue:
build:
permissions:
contents: read
issues: write
pull-requests: write
runs-on: ubuntu-latest
steps:
- name: Create Backport Issue
uses: spring-io/backport-bot@v0.0.3
- name: Check out code
uses: actions/checkout@v4
- name: Set up Java
uses: actions/setup-java@v4
with:
token: ${{ secrets.GITHUB_TOKEN }}
distribution: 'liberica'
java-version: 17
- name: Download BackportBot
run: wget https://github.com/spring-io/backport-bot/releases/download/latest/backport-bot-0.0.1-SNAPSHOT.jar
- name: Backport
env:
GITHUB_EVENT: ${{ toJSON(github.event) }}
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: java -jar backport-bot-0.0.1-SNAPSHOT.jar --github.accessToken="$GITHUB_TOKEN" --github.event_name "$GITHUB_EVENT_NAME" --github.event "$GITHUB_EVENT"
+13 -32
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@@ -2,76 +2,57 @@ name: Build and Deploy Snapshot
on:
push:
branches:
- 7.0.x
- 6.2.x
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
jobs:
build-and-deploy-snapshot:
name: Build and Deploy Snapshot
if: ${{ github.repository == 'spring-projects/spring-framework' || github.repository == 'spring-projects/spring-framework-commercial' }}
runs-on: ${{ vars.UBUNTU_MEDIUM || 'ubuntu-latest' }}
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ubuntu-latest
timeout-minutes: 60
steps:
- name: Check Out Code
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
uses: actions/checkout@v4
- name: Build and Publish
id: build-and-publish
uses: ./.github/actions/build
with:
commercial-release-repository-url: ${{ vars.COMMERCIAL_RELEASE_REPO_URL }}
commercial-repository-password: ${{ secrets.COMMERCIAL_ARTIFACTORY_PASSWORD }}
commercial-repository-username: ${{ secrets.COMMERCIAL_ARTIFACTORY_USERNAME }}
commercial-snapshot-repository-url: ${{ vars.COMMERCIAL_SNAPSHOT_REPO_URL }}
develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
publish: true
- name: Deploy
uses: spring-io/artifactory-deploy-action@aba148f1541e09adcf5735af90029fac9a6d3083 # v0.0.5
uses: spring-io/artifactory-deploy-action@dc1913008c0599f0c4b1fdafb6ff3c502b3565ea # v0.0.2
with:
artifact-properties: |
/**/framework-api-*.zip::zip.name=spring-framework,zip.deployed=false
/**/framework-api-*-docs.zip::zip.type=docs
/**/framework-api-*-schema.zip::zip.type=schema
build-name: ${{ vars.COMMERCIAL && format('spring-framework-commercial-{0}', '7.0.x') || format('spring-framework-{0}', '7.0.x') }}
build-name: 'spring-framework-6.2.x'
folder: 'deployment-repository'
project: ${{ vars.COMMERCIAL && 'spring' }}
repository: ${{ vars.COMMERCIAL && 'spring-enterprise-maven-dev-local' || 'libs-snapshot-local' }}
uri: ${{ vars.COMMERCIAL_DEPLOY_REPO_URL || 'https://repo.spring.io' }}
username: ${{ vars.COMMERCIAL && secrets.COMMERCIAL_ARTIFACTORY_USERNAME || secrets.ARTIFACTORY_USERNAME }}
password: ${{ vars.COMMERCIAL && secrets.COMMERCIAL_ARTIFACTORY_PASSWORD || secrets.ARTIFACTORY_PASSWORD }}
password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository: 'libs-snapshot-local'
signing-key: ${{ secrets.GPG_PRIVATE_KEY }}
signing-passphrase: ${{ secrets.GPG_PASSPHRASE }}
uri: 'https://repo.spring.io'
username: ${{ secrets.ARTIFACTORY_USERNAME }}
- name: Send Notification
if: always()
uses: ./.github/actions/send-notification
with:
build-scan-url: ${{ steps.build-and-publish.outputs.build-scan-url }}
run-name: ${{ format('{0} | Linux | Java 25', github.ref_name) }}
run-name: ${{ format('{0} | Linux | Java 17', github.ref_name) }}
status: ${{ job.status }}
webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
outputs:
version: ${{ steps.build-and-publish.outputs.version }}
trigger-docs-build:
name: Trigger Docs Build
needs: build-and-deploy-snapshot
if: ${{ !vars.COMMERCIAL }} # remove when commercial support
permissions:
actions: write
runs-on: ${{ vars.UBUNTU_SMALL || 'ubuntu-latest' }}
steps:
- name: Run Deploy Docs Workflow
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: gh workflow run deploy-docs.yml --repo ${{ github.repository }} -r docs-build -f build-refname=${{ github.ref_name }}
verify:
name: Verify
needs: build-and-deploy-snapshot
uses: ./.github/workflows/verify.yml
secrets:
commercial-repository-password: ${{ secrets.COMMERCIAL_ARTIFACTORY_PASSWORD }}
commercial-repository-username: ${{ secrets.COMMERCIAL_ARTIFACTORY_USERNAME }}
google-chat-webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
opensource-repository-password: ${{ secrets.ARTIFACTORY_PASSWORD }}
opensource-repository-username: ${{ secrets.ARTIFACTORY_USERNAME }}
repository-password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository-username: ${{ secrets.ARTIFACTORY_USERNAME }}
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
with:
version: ${{ needs.build-and-deploy-snapshot.outputs.version }}
+4 -3
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@@ -7,9 +7,10 @@ jobs:
name: Build Pull Request
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ubuntu-latest
timeout-minutes: 60
steps:
- name: Check Out Code
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
uses: actions/checkout@v4
- name: Build
id: build
uses: ./.github/actions/build
@@ -18,7 +19,7 @@ jobs:
uses: ./.github/actions/print-jvm-thread-dumps
- name: Upload Build Reports
if: failure()
uses: actions/upload-artifact@v7
uses: actions/upload-artifact@v4
with:
name: build-reports
path: '**/build/reports/'
path: '**/build/reports/'
+11 -16
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@@ -1,34 +1,33 @@
name: CI
on:
schedule:
- cron: '30 9 * * *'
permissions:
contents: read
push:
branches:
- 6.2.x
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
jobs:
ci:
name: '${{ matrix.os.name}} | Java ${{ matrix.java.version}}'
if: ${{ github.repository == 'spring-projects/spring-framework' || github.repository == 'spring-projects/spring-framework-commercial' }}
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ${{ matrix.os.id }}
timeout-minutes: 60
strategy:
matrix:
os:
- id: ${{ vars.UBUNTU_MEDIUM || 'ubuntu-latest' }}
- id: ubuntu-latest
name: Linux
java:
- version: 17
toolchain: true
toolchain: false
- version: 21
toolchain: true
- version: 25
toolchain: false
- version: 26
- version: 24
toolchain: true
exclude:
- os:
name: Linux
java:
version: 25
version: 17
steps:
- name: Prepare Windows runner
if: ${{ runner.os == 'Windows' }}
@@ -37,15 +36,11 @@ jobs:
git config --global core.longPaths true
Stop-Service -name Docker
- name: Check Out Code
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
uses: actions/checkout@v4
- name: Build
id: build
uses: ./.github/actions/build
with:
commercial-release-repository-url: ${{ vars.COMMERCIAL_RELEASE_REPO_URL }}
commercial-repository-password: ${{ secrets.COMMERCIAL_ARTIFACTORY_PASSWORD }}
commercial-repository-username: ${{ secrets.COMMERCIAL_ARTIFACTORY_USERNAME }}
commercial-snapshot-repository-url: ${{ vars.COMMERCIAL_SNAPSHOT_REPO_URL }}
develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
java-early-access: ${{ matrix.java.early-access || 'false' }}
java-distribution: ${{ matrix.java.distribution }}
+35
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@@ -0,0 +1,35 @@
name: Deploy Docs
on:
push:
branches:
- 'main'
- '*.x'
- '!gh-pages'
tags:
- 'v*'
repository_dispatch:
types: request-build-reference # legacy
workflow_dispatch:
permissions:
actions: write
jobs:
build:
name: Dispatch docs deployment
if: github.repository_owner == 'spring-projects'
runs-on: ubuntu-latest
steps:
- name: Check out code
uses: actions/checkout@v4
with:
fetch-depth: 1
ref: docs-build
- name: Dispatch (partial build)
if: github.ref_type == 'branch'
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: gh workflow run deploy-docs.yml -r $(git rev-parse --abbrev-ref HEAD) -f build-refname=${{ github.ref_name }}
- name: Dispatch (full build)
if: github.ref_type == 'tag'
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: gh workflow run deploy-docs.yml -r $(git rev-parse --abbrev-ref HEAD)
-39
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@@ -1,39 +0,0 @@
name: Release Milestone
on:
push:
tags:
- v7.0.0-M[1-9]
- v7.0.0-RC[1-9]
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
jobs:
trigger-docs-build:
name: Trigger Docs Build
permissions:
actions: write
runs-on: ubuntu-latest
outputs:
version: ${{ steps.version.outputs.version }}
steps:
- name: Determine Version
id: version
run: echo "version=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"
- name: Run Deploy Docs Workflow
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: gh workflow run deploy-docs.yml --repo ${{ github.repository }} -r docs-build -f build-refname=${{ github.ref_name }}
create-github-release:
name: Create GitHub Release
needs:
- trigger-docs-build
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Create GitHub Release
uses: ./.github/actions/create-github-release
with:
commercial: ${{ vars.COMMERCIAL }}
milestone: ${{ needs.trigger-docs-build.outputs.version }}
pre-release: true
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
-38
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@@ -1,38 +0,0 @@
name: Release
on:
push:
tags:
- v7.0.[0-9]+
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
jobs:
trigger-docs-build:
name: Trigger Docs Build
permissions:
actions: write
runs-on: ubuntu-latest
outputs:
version: ${{ steps.version.outputs.version }}
steps:
- name: Determine Version
id: version
run: echo "version=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"
- name: Run Deploy Docs Workflow
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: gh workflow run deploy-docs.yml --repo ${{ github.repository }} -r docs-build -f build-refname=${{ github.ref_name }}
create-github-release:
name: Create GitHub Release
needs:
- trigger-docs-build
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Create GitHub Release
uses: ./.github/actions/create-github-release
with:
commercial: ${{ vars.COMMERCIAL }}
latest: true
milestone: ${{ needs.trigger-docs-build.outputs.version }}
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
-93
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@@ -1,93 +0,0 @@
# This file was auto-generated by github-actions-workflow-generator 0.0.6. Do not edit.
# To update it, modify .github/workflow-generator.yml as needed and re-run the generator.
name: "Release Train Build"
run-name: "${{ inputs.callback-ref }} Build"
"on":
workflow_dispatch:
inputs:
callback:
description: "Repository to which a callback should be made upon completion"
required: true
type: "string"
callback-ref:
description: "Ref in the callback repository to which a callback should be made upon completion"
required: true
type: "string"
release-train-maven-repository-url:
description: "URL of a Maven repository to be used to resolve artifacts of projects earlier in the train"
required: true
type: "string"
permissions:
contents: "read"
concurrency:
group: "${{ github.workflow }}-${{ github.ref }}"
jobs:
build-release:
name: "Build Release"
runs-on: "ubuntu22-2-8"
steps:
- name: "Prevent Re-runs"
id: "prevent-re-runs"
run: |-
if [ "$GITHUB_RUN_ATTEMPT" -gt 1 ]; then
echo "Re-runs are prohibited. Use the 'Release Train  Retry' workflow to retry build failures"
exit 1
fi
- name: "Set up Java"
id: "set-up-java"
uses: "actions/setup-java@03ad4de0992f5dab5e18fcb136590ce7c4a0ac95" # v5.6.0
with:
distribution: "liberica"
java-version: "25"
- name: "Check Out Code"
id: "check-out-code"
uses: "actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0" # v7.0.0
- name: "Build Release"
id: "build-release"
uses: "./.github/actions/release-train-build"
env:
COMMERCIAL_RELEASE_REPO_URL: "${{ vars.COMMERCIAL_RELEASE_REPO_URL }}"
COMMERCIAL_REPO_PASSWORD: "${{ secrets.COMMERCIAL_ARTIFACTORY_PASSWORD }}"
COMMERCIAL_REPO_USERNAME: "${{ secrets.COMMERCIAL_ARTIFACTORY_USERNAME }}"
RELEASE_TRAIN_MAVEN_REPOSITORY_PASSWORD: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_MAVEN_REPOSITORY_PASSWORD }}"
RELEASE_TRAIN_MAVEN_REPOSITORY_URL: "${{ inputs.release-train-maven-repository-url }}"
RELEASE_TRAIN_MAVEN_REPOSITORY_USERNAME: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_MAVEN_REPOSITORY_USERNAME }}"
- name: "Upload Deployment Repository"
id: "upload-deployment-repository"
uses: "actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a" # v7.0.1
with:
name: "deployment-repository"
path: "deployment-repository/**"
- name: "Upload Deployment Spec"
id: "upload-deployment-spec"
uses: "actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a" # v7.0.1
with:
archive: "false"
if-no-files-found: "ignore"
name: "deployment-spec"
path: ".github/actions/release-train-build/deployment-spec.yml"
- name: "Save Build System Caches"
id: "save-build-system-caches"
uses: "actions/cache/save@55cc8345863c7cc4c66a329aec7e433d2d1c52a9" # v6.1.0
with:
key: "release-train-${{ inputs.callback-ref }}-${{ github.ref_name }}"
path: |-
~/.gradle/caches
~/.gradle/wrapper
- name: "Send Callback"
id: "send-callback"
if: "${{ !cancelled() }}"
env:
GH_TOKEN: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_GITHUB_TOKEN }}"
run: |-
gh workflow run callback \
--repo ${{ inputs.callback }} \
--ref ${{ inputs.callback-ref }} \
--field commit-hash=${{ steps.check-out-code.outputs.commit }} \
--field deployment-repository-artifact-identifier=${{ steps.upload-deployment-repository.outputs.artifact-id }} \
--field deployment-spec-artifact-identifier=${{ steps.upload-deployment-spec.outputs.artifact-id }} \
--field release-branch=${{ github.ref_name }} \
--field release-repository=${{ github.repository }} \
--field result=${{ job.status == 'success' && 'built' || 'build-failed' }} \
--field workflow-run-url=${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
-55
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@@ -1,55 +0,0 @@
# This file was auto-generated by github-actions-workflow-generator 0.0.6. Do not edit.
# To update it, modify .github/workflow-generator.yml as needed and re-run the generator.
name: "Release Train Join"
run-name: "${{ inputs.release-train }} Join"
"on":
workflow_dispatch:
inputs:
deployment-destination:
description: "Destination to which the release should be deployed"
options:
- "Maven Central"
- "Spring Enterprise"
required: true
type: "choice"
release-train:
description: "Release train"
required: true
type: "string"
release-train-repository:
default: "spring-io/release-train"
description: "Release train repository"
required: true
type: "string"
permissions:
contents: "none"
jobs:
join-release-train:
name: "Join Release Train"
runs-on: "ubuntu-latest"
steps:
- name: "Join Release Train"
id: "join-release-train"
env:
GH_TOKEN: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_GITHUB_TOKEN }}"
run: |-
run_url=$(
gh workflow run join \
--repo ${{ inputs.release-train-repository }} \
--ref ${{ inputs.release-train }} \
--field commit-hash=${{ github.sha }} \
--field deployment-destination=${{ inputs.deployment-destination == 'Maven Central' && 'maven-central' || 'spring-enterprise' }} \
--field release-branch=${{ github.ref_name }} \
--field release-repository=${{ github.repository }}
)
echo "Dispatched workflow run. Waiting for $run_url to complete."
run_id=${run_url##*/}
watch_exit_code=0
gh run watch $run_id --repo ${{ inputs.release-train-repository }} --exit-status --interval=3 > /dev/null 2>&1 || watch_exit_code=$?
if [[ $watch_exit_code -eq 0 ]]; then
echo "Workflow run succeeded."
else
echo "Workflow run failed."
fi
exit $watch_exit_code
-46
View File
@@ -1,46 +0,0 @@
# This file was auto-generated by github-actions-workflow-generator 0.0.6. Do not edit.
# To update it, modify .github/workflow-generator.yml as needed and re-run the generator.
name: "Release Train Leave"
run-name: "${{ inputs.release-train }} Leave"
"on":
workflow_dispatch:
inputs:
release-train:
description: "Release train"
required: true
type: "string"
release-train-repository:
default: "spring-io/release-train"
description: "Release train repository"
required: true
type: "string"
permissions:
contents: "none"
jobs:
leave:
name: "Leave"
runs-on: "ubuntu-latest"
steps:
- name: "Leave"
id: "leave"
env:
GH_TOKEN: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_GITHUB_TOKEN }}"
run: |-
run_url=$(
gh workflow run leave \
--repo ${{ inputs.release-train-repository }} \
--ref ${{ inputs.release-train }} \
--field release-branch=${{ github.ref_name }} \
--field release-repository=${{ github.repository }}
)
echo "Dispatched workflow run. Waiting for $run_url to complete."
run_id=${run_url##*/}
watch_exit_code=0
gh run watch $run_id --repo ${{ inputs.release-train-repository }} --exit-status --interval=3 > /dev/null 2>&1 || watch_exit_code=$?
if [[ $watch_exit_code -eq 0 ]]; then
echo "Workflow run succeeded."
else
echo "Workflow run failed."
fi
exit $watch_exit_code
-47
View File
@@ -1,47 +0,0 @@
# This file was auto-generated by github-actions-workflow-generator 0.0.6. Do not edit.
# To update it, modify .github/workflow-generator.yml as needed and re-run the generator.
name: "Release Train Ready"
run-name: "${{ inputs.release-train }} Ready"
"on":
workflow_dispatch:
inputs:
release-train:
description: "Release train"
required: true
type: "string"
release-train-repository:
default: "spring-io/release-train"
description: "Release train repository"
required: true
type: "string"
permissions:
contents: "none"
jobs:
ready:
name: "Ready"
runs-on: "ubuntu-latest"
steps:
- name: "Ready"
id: "ready"
env:
GH_TOKEN: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_GITHUB_TOKEN }}"
run: |-
run_url=$(
gh workflow run ready \
--repo ${{ inputs.release-train-repository }} \
--ref ${{ inputs.release-train }} \
--field commit-hash=${{ github.sha }} \
--field release-branch=${{ github.ref_name }} \
--field release-repository=${{ github.repository }}
)
echo "Dispatched workflow run. Waiting for $run_url to complete."
run_id=${run_url##*/}
watch_exit_code=0
gh run watch $run_id --repo ${{ inputs.release-train-repository }} --exit-status --interval=3 > /dev/null 2>&1 || watch_exit_code=$?
if [[ $watch_exit_code -eq 0 ]]; then
echo "Workflow run succeeded."
else
echo "Workflow run failed."
fi
exit $watch_exit_code
-34
View File
@@ -1,34 +0,0 @@
# This file was auto-generated by github-actions-workflow-generator 0.0.6. Do not edit.
# To update it, modify .github/workflow-generator.yml as needed and re-run the generator.
name: "Release Train Retry"
run-name: "${{ inputs.release-train }} Retry"
"on":
workflow_dispatch:
inputs:
release-train:
description: "Release train"
required: true
type: "string"
release-train-repository:
default: "spring-io/release-train"
description: "Release train repository"
required: true
type: "string"
permissions:
contents: "none"
jobs:
trigger-retry:
name: "Trigger Retry"
runs-on: "ubuntu-latest"
steps:
- name: "Trigger Retry"
id: "trigger-retry"
env:
GH_TOKEN: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_GITHUB_TOKEN }}"
run: |-
gh workflow run retry \
--repo ${{ inputs.release-train-repository }} \
--ref ${{ inputs.release-train }} \
--field release-branch=${{ github.ref_name }} \
--field release-repository=${{ github.repository }}
-84
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@@ -1,84 +0,0 @@
# This file was auto-generated by github-actions-workflow-generator 0.0.6. Do not edit.
# To update it, modify .github/workflow-generator.yml as needed and re-run the generator.
name: "Release Train Test"
run-name: "${{ inputs.callback-ref }} Test"
"on":
workflow_dispatch:
inputs:
callback:
description: "Repository to which a callback should be made upon completion"
required: true
type: "string"
callback-ref:
description: "Ref in the callback repository to which a callback should be made upon completion"
required: true
type: "string"
release-train-maven-repository-url:
description: "URL of a Maven repository to be used to resolve artifacts of projects earlier in the train"
required: true
type: "string"
permissions:
contents: "read"
concurrency:
group: "${{ github.workflow }}-${{ github.ref }}"
jobs:
test-release:
name: "Test Release"
runs-on: "ubuntu22-2-8"
steps:
- name: "Prevent Re-runs"
id: "prevent-re-runs"
run: |-
if [ "$GITHUB_RUN_ATTEMPT" -gt 1 ]; then
echo "Re-runs are prohibited. Use the 'Release Train  Retry' workflow to retry test failures"
exit 1
fi
- name: "Set up Java"
id: "set-up-java"
uses: "actions/setup-java@03ad4de0992f5dab5e18fcb136590ce7c4a0ac95" # v5.6.0
with:
distribution: "liberica"
java-version: "25"
- name: "Check Out Code"
id: "check-out-code"
uses: "actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0" # v7.0.0
- name: "Restore Build System Caches"
id: "restore-build-system-caches"
uses: "actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9" # v6.1.0
with:
key: "release-train-${{ inputs.callback-ref }}-${{ github.ref_name }}"
path: |-
~/.gradle/caches
~/.gradle/wrapper
- name: "Test Release"
id: "test-release"
uses: "./.github/actions/release-train-test"
env:
COMMERCIAL_RELEASE_REPO_URL: "${{ vars.COMMERCIAL_RELEASE_REPO_URL }}"
COMMERCIAL_REPO_PASSWORD: "${{ secrets.COMMERCIAL_ARTIFACTORY_PASSWORD }}"
COMMERCIAL_REPO_USERNAME: "${{ secrets.COMMERCIAL_ARTIFACTORY_USERNAME }}"
RELEASE_TRAIN_MAVEN_REPOSITORY_PASSWORD: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_MAVEN_REPOSITORY_PASSWORD }}"
RELEASE_TRAIN_MAVEN_REPOSITORY_URL: "${{ inputs.release-train-maven-repository-url }}"
RELEASE_TRAIN_MAVEN_REPOSITORY_USERNAME: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_MAVEN_REPOSITORY_USERNAME }}"
- name: "Send Callback"
id: "send-callback"
if: "${{ !cancelled() }}"
env:
GH_TOKEN: "${{ secrets.RELEASE_TRAIN_PARTICIPANT_GITHUB_TOKEN }}"
run: |-
gh workflow run callback \
--repo ${{ inputs.callback }} \
--ref ${{ inputs.callback-ref }} \
--field commit-hash=${{ steps.check-out-code.outputs.commit }} \
--field release-branch=${{ github.ref_name }} \
--field release-repository=${{ github.repository }} \
--field result=${{ job.status == 'success' && 'tested' || 'test-failed' }} \
--field workflow-run-url=${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
- name: "Upload Build System Reports"
id: "upload-build-system-reports"
if: "${{ failure() }}"
uses: "actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a" # v7.0.1
with:
name: "build-system-reports"
path: "**/build/reports"
+93
View File
@@ -0,0 +1,93 @@
name: Release
on:
push:
tags:
- v6.2.[0-9]+
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
jobs:
build-and-stage-release:
name: Build and Stage Release
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@v4
- name: Build and Publish
id: build-and-publish
uses: ./.github/actions/build
with:
develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
publish: true
- name: Stage Release
uses: spring-io/artifactory-deploy-action@dc1913008c0599f0c4b1fdafb6ff3c502b3565ea # v0.0.2
with:
artifact-properties: |
/**/framework-api-*.zip::zip.name=spring-framework,zip.deployed=false
/**/framework-api-*-docs.zip::zip.type=docs
/**/framework-api-*-schema.zip::zip.type=schema
build-name: ${{ format('spring-framework-{0}', steps.build-and-publish.outputs.version)}}
folder: 'deployment-repository'
password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository: 'libs-staging-local'
signing-key: ${{ secrets.GPG_PRIVATE_KEY }}
signing-passphrase: ${{ secrets.GPG_PASSPHRASE }}
uri: 'https://repo.spring.io'
username: ${{ secrets.ARTIFACTORY_USERNAME }}
outputs:
version: ${{ steps.build-and-publish.outputs.version }}
verify:
name: Verify
needs: build-and-stage-release
uses: ./.github/workflows/verify.yml
secrets:
google-chat-webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
repository-password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository-username: ${{ secrets.ARTIFACTORY_USERNAME }}
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
with:
staging: true
version: ${{ needs.build-and-stage-release.outputs.version }}
sync-to-maven-central:
name: Sync to Maven Central
needs:
- build-and-stage-release
- verify
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
- name: Sync to Maven Central
uses: ./.github/actions/sync-to-maven-central
with:
central-token-password: ${{ secrets.CENTRAL_TOKEN_PASSWORD }}
central-token-username: ${{ secrets.CENTRAL_TOKEN_USERNAME }}
jfrog-cli-config-token: ${{ secrets.JF_ARTIFACTORY_SPRING }}
spring-framework-version: ${{ needs.build-and-stage-release.outputs.version }}
promote-release:
name: Promote Release
needs:
- build-and-stage-release
- sync-to-maven-central
runs-on: ubuntu-latest
steps:
- name: Set up JFrog CLI
uses: jfrog/setup-jfrog-cli@dff217c085c17666e8849ebdbf29c8fe5e3995e6 # v4.5.2
env:
JF_ENV_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
- name: Promote build
run: jfrog rt build-promote ${{ format('spring-framework-{0}', needs.build-and-stage-release.outputs.version)}} ${{ github.run_number }} libs-release-local
create-github-release:
name: Create GitHub Release
needs:
- build-and-stage-release
- promote-release
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
- name: Create GitHub Release
uses: ./.github/actions/create-github-release
with:
milestone: ${{ needs.build-and-stage-release.outputs.version }}
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
@@ -17,7 +17,7 @@ jobs:
runs-on: ubuntu-latest
strategy:
matrix:
branch: [ '6.2.x', '7.0.x', 'main' ]
branch: [ '6.1.x' ]
steps:
- uses: spring-io/spring-doc-actions/update-antora-spring-ui@5a57bcc6a0da2a1474136cf29571b277850432bc
name: Update
+14 -25
View File
@@ -12,51 +12,42 @@ on:
required: true
type: string
secrets:
commercial-repository-password:
description: 'Password for authentication with the commercial repository'
required: false
commercial-repository-username:
description: 'Username for authentication with the commercial repository'
required: false
google-chat-webhook-url:
description: 'Google Chat Webhook URL'
required: true
opensource-repository-password:
description: 'Password for authentication with the open-source repository'
repository-password:
description: 'Password for authentication with the repository'
required: false
opensource-repository-username:
description: 'Username for authentication with the open-source repository'
repository-username:
description: 'Username for authentication with the repository'
required: false
token:
description: 'Token to use for authentication with GitHub'
required: true
permissions:
contents: read
jobs:
verify:
name: Verify
runs-on: ${{ vars.UBUNTU_SMALL || 'ubuntu-latest' }}
runs-on: ubuntu-latest
steps:
- name: Check Out Release Verification Tests
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
uses: actions/checkout@v4
with:
ref: 'v0.0.3'
ref: 'v0.0.2'
repository: spring-projects/spring-framework-release-verification
token: ${{ secrets.token }}
- name: Check Out Send Notification Action
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
uses: actions/checkout@v4
with:
path: send-notification
sparse-checkout: .github/actions/send-notification
- name: Set Up Java
uses: actions/setup-java@v5
uses: actions/setup-java@v4
with:
distribution: 'liberica'
java-version: 17
- name: Set Up Gradle
uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0
uses: gradle/actions/setup-gradle@ac638b010cf58a27ee6c972d7336334ccaf61c96 # v4.4.1
with:
cache-provider: basic
cache-read-only: false
- name: Configure Gradle Properties
shell: bash
@@ -65,17 +56,15 @@ jobs:
echo 'org.gradle.daemon=false' >> $HOME/.gradle/gradle.properties
- name: Run Release Verification Tests
env:
RVT_COMMERCIAL_REPOSITORY_PASSWORD: ${{ secrets.commercial-repository-password }}
RVT_COMMERCIAL_REPOSITORY_USERNAME: ${{ secrets.commercial-repository-username }}
RVT_OSS_REPOSITORY_PASSWORD: ${{ secrets.opensource-repository-password }}
RVT_OSS_REPOSITORY_USERNAME: ${{ secrets.opensource-repository-username }}
RVT_RELEASE_TYPE: ${{ vars.COMMERCIAL && 'commercial' || 'oss' }}
RVT_OSS_REPOSITORY_PASSWORD: ${{ secrets.repository-password }}
RVT_OSS_REPOSITORY_USERNAME: ${{ secrets.repository-username }}
RVT_RELEASE_TYPE: oss
RVT_STAGING: ${{ inputs.staging }}
RVT_VERSION: ${{ inputs.version }}
run: ./gradlew spring-framework-release-verification-tests:test
- name: Upload Build Reports on Failure
if: failure()
uses: actions/upload-artifact@v7
uses: actions/upload-artifact@v4
with:
name: build-reports
path: '**/build/reports/'
+1 -6
View File
@@ -9,7 +9,6 @@ ivy-cache
argfile*
activemq-data/
classes/
.cursor/
# Log files
jxl.log
@@ -39,7 +38,7 @@ bin
.springBeans
spring-*/src/main/java/META-INF/MANIFEST.MF
# IntelliJ IDEA artifacts and output dirs
# IDEA artifacts and output dirs
*.iml
*.ipr
*.iws
@@ -52,10 +51,6 @@ atlassian-ide-plugin.xml
# VS Code
.vscode/
# Claude artifacts
.claude/*
cached-antora-playbook.yml
node_modules
/.kotlin/
+1 -1
View File
@@ -1,3 +1,3 @@
# Enable auto-env through the sdkman_auto_env config
# Add key=value pairs of SDKs to use below
java=25-librca
java=17.0.13-librca
+1 -1
View File
@@ -120,7 +120,7 @@ source code into your IDE.
The wiki pages
[Code Style](https://github.com/spring-projects/spring-framework/wiki/Code-Style) and
[IntelliJ IDEA Editor Settings](https://github.com/spring-projects/spring-framework/wiki/IntelliJ-IDEA-Editor-Settings)
define the source file coding standards we use along with some IntelliJ editor settings we customize.
define the source file coding standards we use along with some IDEA editor settings we customize.
### Reference Docs
+1 -1
View File
@@ -27,7 +27,7 @@ See the [Build from Source](https://github.com/spring-projects/spring-framework/
## Continuous Integration Builds
CI builds are defined with [GitHub Actions workflows](.github/workflows).
Information regarding CI builds can be found in the [Spring Framework Concourse pipeline](ci/README.adoc) documentation.
## Stay in Touch
+51 -20
View File
@@ -1,12 +1,15 @@
plugins {
id 'io.freefair.aspectj' version '8.13.1' apply false
id 'io.freefair.aspectj' version '8.4' apply false
// kotlinVersion is managed in gradle.properties
id 'org.jetbrains.kotlin.plugin.serialization' version "${kotlinVersion}" apply false
id 'org.jetbrains.dokka'
id 'org.jetbrains.dokka' version '1.9.20'
id 'com.github.ben-manes.versions' version '0.51.0'
id 'com.github.bjornvester.xjc' version '1.8.2' apply false
id 'com.gradleup.shadow' version "9.2.2" apply false
id 'de.undercouch.download' version '5.4.0'
id 'io.github.goooler.shadow' version '8.1.8' apply false
id 'me.champeau.jmh' version '0.7.2' apply false
id 'io.spring.nullability' version '0.0.15' apply false
id 'me.champeau.mrjar' version '0.1.1'
id "net.ltgt.errorprone" version "4.1.0" apply false
}
ext {
@@ -18,8 +21,23 @@ description = "Spring Framework"
configure(allprojects) { project ->
apply plugin: "org.springframework.build.localdev"
apply plugin: "org.springframework.build.repositories"
group = "org.springframework"
repositories {
mavenCentral()
maven {
url = "https://repo.spring.io/milestone"
content {
// Netty 5 optional support
includeGroup 'io.projectreactor.netty'
}
}
if (version.contains('-')) {
maven { url = "https://repo.spring.io/milestone" }
}
if (version.endsWith('-SNAPSHOT')) {
maven { url = "https://repo.spring.io/snapshot" }
}
}
configurations.all {
resolutionStrategy {
cacheChangingModulesFor 0, "seconds"
@@ -46,6 +64,7 @@ configure([rootProject] + javaProjects) { project ->
apply plugin: "java"
apply plugin: "java-test-fixtures"
apply plugin: 'org.springframework.build.conventions'
apply from: "${rootDir}/gradle/toolchains.gradle"
apply from: "${rootDir}/gradle/ide.gradle"
dependencies {
@@ -53,27 +72,39 @@ configure([rootProject] + javaProjects) { project ->
testImplementation("org.junit.platform:junit-platform-suite")
testImplementation("org.mockito:mockito-core")
testImplementation("org.mockito:mockito-junit-jupiter")
testImplementation("io.mockk:mockk") {
exclude group: 'junit', module: 'junit'
}
testImplementation("io.mockk:mockk")
testImplementation("org.assertj:assertj-core")
testRuntimeOnly("org.junit.platform:junit-platform-launcher")
testRuntimeOnly("org.apache.logging.log4j:log4j-core")
testRuntimeOnly("org.apache.logging.log4j:log4j-jul")
testRuntimeOnly("org.apache.logging.log4j:log4j-slf4j2-impl")
// JSR-305 only used for non-required meta-annotations
compileOnly("com.google.code.findbugs:jsr305")
testCompileOnly("com.google.code.findbugs:jsr305")
}
ext.javadocLinks = [
"https://docs.oracle.com/en/java/javase/17/docs/api/",
//"https://jakarta.ee/specifications/platform/11/apidocs/",
"https://docs.hibernate.org/orm/7.2/javadocs/",
"https://www.quartz-scheduler.org/api/2.3.0/",
"https://hc.apache.org/httpcomponents-client-5.6.x/5.6/httpclient5/apidocs/",
"https://projectreactor.io/docs/core/release/api/",
"https://projectreactor.io/docs/test/release/api/",
"https://junit.org/junit4/javadoc/4.13.2/",
"https://docs.junit.org/6.0.3/api/",
"https://www.reactive-streams.org/reactive-streams-1.0.4-javadoc/",
"https://r2dbc.io/spec/1.0.0.RELEASE/api/",
"https://jspecify.dev/docs/api/"
"https://docs.oracle.com/en/java/javase/17/docs/api/",
"https://jakarta.ee/specifications/platform/9/apidocs/",
"https://docs.jboss.org/hibernate/orm/5.6/javadocs/",
"https://www.quartz-scheduler.org/api/2.3.0/",
"https://fasterxml.github.io/jackson-core/javadoc/2.14/",
"https://fasterxml.github.io/jackson-databind/javadoc/2.14/",
"https://fasterxml.github.io/jackson-dataformat-xml/javadoc/2.14/",
"https://hc.apache.org/httpcomponents-client-5.5.x/current/httpclient5/apidocs/",
"https://projectreactor.io/docs/test/release/api/",
"https://junit.org/junit4/javadoc/4.13.2/",
// TODO Uncomment link to JUnit 5 docs once we execute Gradle with Java 18+.
// See https://github.com/spring-projects/spring-framework/issues/27497
//
// "https://junit.org/junit5/docs/5.13.4/api/",
"https://www.reactive-streams.org/reactive-streams-1.0.3-javadoc/",
//"https://javadoc.io/static/io.rsocket/rsocket-core/1.1.1/",
"https://r2dbc.io/spec/1.0.0.RELEASE/api/",
// Previously there could be a split-package issue between JSR250 and JSR305 javax.annotation packages,
// but since 6.0 JSR 250 annotations such as @Resource and @PostConstruct have been replaced by their
// JakartaEE equivalents in the jakarta.annotation package.
//"https://www.javadoc.io/doc/com.google.code.findbugs/jsr305/3.0.2/"
] as String[]
}
+1 -31
View File
@@ -9,18 +9,7 @@ The `org.springframework.build.conventions` plugin applies all conventions to th
* Configuring the Java compiler, see `JavaConventions`
* Configuring the Kotlin compiler, see `KotlinConventions`
* Configuring testing in the build with `TestConventions`
* Configuring the ArchUnit rules for the project, see `org.springframework.build.architecture.ArchitectureRules`
This plugin also provides a DSL extension to optionally enable Java preview features for
compiling and testing sources in a module. This can be applied with the following in a
module build file:
```groovy
springFramework {
enableJavaPreviewFeatures = true
}
```
* Configuring testing in the build with `TestConventions`
## Build Plugins
@@ -33,25 +22,6 @@ but doesn't affect the classpath of dependent projects.
This plugin does not provide a `provided` configuration, as the native `compileOnly` and `testCompileOnly`
configurations are preferred.
### MultiRelease Jar
The `org.springframework.build.multiReleaseJar` plugin configures the project with MultiRelease JAR support.
It creates a new SourceSet and dedicated tasks for each Java variant considered.
This can be configured with the DSL, by setting a list of Java variants to configure:
```groovy
plugins {
id 'org.springframework.build.multiReleaseJar'
}
multiRelease {
releaseVersions 21, 24
}
```
Note, Java classes will be compiled with the toolchain pre-configured by the project, assuming that its
Java language version is equal or higher than all variants we consider. Each compilation task will only
set the "-release" compilation option accordingly to produce the expected bytecode version.
### RuntimeHints Java Agent
+2 -26
View File
@@ -20,24 +20,14 @@ ext {
dependencies {
checkstyle "io.spring.javaformat:spring-javaformat-checkstyle:${javaFormatVersion}"
implementation "org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlinVersion}"
implementation "org.jetbrains.dokka:dokka-gradle-plugin:2.1.0"
implementation "com.tngtech.archunit:archunit:1.4.1"
implementation "org.gradle:test-retry-gradle-plugin:1.6.2"
implementation "org.jetbrains.kotlin:kotlin-compiler-embeddable:${kotlinVersion}"
implementation "org.gradle:test-retry-gradle-plugin:1.5.6"
implementation "io.spring.javaformat:spring-javaformat-gradle-plugin:${javaFormatVersion}"
implementation "io.spring.nohttp:nohttp-gradle:0.0.11"
testImplementation("org.assertj:assertj-core:${assertjVersion}")
testImplementation(platform("org.junit:junit-bom:${junitVersion}"))
testImplementation("org.junit.jupiter:junit-jupiter")
testRuntimeOnly("org.junit.platform:junit-platform-launcher")
}
gradlePlugin {
plugins {
architecturePlugin {
id = "org.springframework.architecture"
implementationClass = "org.springframework.build.architecture.ArchitecturePlugin"
}
conventionsPlugin {
id = "org.springframework.build.conventions"
implementationClass = "org.springframework.build.ConventionsPlugin"
@@ -46,14 +36,6 @@ gradlePlugin {
id = "org.springframework.build.localdev"
implementationClass = "org.springframework.build.dev.LocalDevelopmentPlugin"
}
multiReleasePlugin {
id = "org.springframework.build.multiReleaseJar"
implementationClass = "org.springframework.build.multirelease.MultiReleaseJarPlugin"
}
repositoriesPlugin {
id = "org.springframework.build.repositories"
implementationClass = "org.springframework.build.RepositoriesPlugin"
}
optionalDependenciesPlugin {
id = "org.springframework.build.optional-dependencies"
implementationClass = "org.springframework.build.optional.OptionalDependenciesPlugin"
@@ -64,9 +46,3 @@ gradlePlugin {
}
}
}
test {
useJUnitPlatform()
}
jar.dependsOn check
+7 -6
View File
@@ -1,6 +1,6 @@
<?xml version="1.0"?>
<!DOCTYPE module PUBLIC "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN" "https://checkstyle.org/dtds/configuration_1_3.dtd">
<module name="Checker">
<module name="com.puppycrawl.tools.checkstyle.Checker">
<!-- Root Checks -->
<module name="io.spring.javaformat.checkstyle.check.SpringHeaderCheck">
@@ -12,15 +12,16 @@
<module name="com.puppycrawl.tools.checkstyle.checks.NewlineAtEndOfFileCheck"/>
<!-- TreeWalker Checks -->
<module name="TreeWalker">
<module name="com.puppycrawl.tools.checkstyle.TreeWalker">
<!-- Imports -->
<module name="AvoidStarImport"/>
<module name="UnusedImports"/>
<module name="RedundantImport"/>
<module name="com.puppycrawl.tools.checkstyle.checks.imports.UnusedImportsCheck">
<property name="processJavadoc" value="true"/>
</module>
<!-- Modifiers -->
<module name="com.puppycrawl.tools.checkstyle.checks.modifier.ModifierOrderCheck"/>
</module>
</module>
</module>
-2
View File
@@ -1,4 +1,2 @@
org.gradle.caching=true
assertjVersion=3.27.3
javaFormatVersion=0.0.43
junitVersion=5.12.2
@@ -17,9 +17,6 @@
package org.springframework.build;
import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
@@ -38,7 +35,6 @@ import org.gradle.api.plugins.quality.CheckstylePlugin;
* {@link Plugin} that applies conventions for checkstyle.
*
* @author Brian Clozel
* @author Sam Brannen
*/
public class CheckstyleConventions {
@@ -52,10 +48,9 @@ public class CheckstyleConventions {
configureNoHttpPlugin(project);
}
project.getPlugins().apply(CheckstylePlugin.class);
project.getTasks().withType(Checkstyle.class).forEach(checkstyle -> checkstyle.getMaxHeapSize()
.set("checkstyleNohttp".equals(checkstyle.getName()) ? "1536m" : "1g"));
project.getTasks().withType(Checkstyle.class).forEach(checkstyle -> checkstyle.getMaxHeapSize().set("1g"));
CheckstyleExtension checkstyle = project.getExtensions().getByType(CheckstyleExtension.class);
checkstyle.setToolVersion("14.1.0");
checkstyle.setToolVersion("10.26.1");
checkstyle.getConfigDirectory().set(project.getRootProject().file("src/checkstyle"));
String version = SpringJavaFormatPlugin.class.getPackage().getImplementationVersion();
DependencySet checkstyleDependencies = project.getConfigurations().getByName("checkstyle").getDependencies();
@@ -68,10 +63,8 @@ public class CheckstyleConventions {
project.getPlugins().apply(NoHttpPlugin.class);
NoHttpExtension noHttp = project.getExtensions().getByType(NoHttpExtension.class);
noHttp.setAllowlistFile(project.file("src/nohttp/allowlist.lines"));
noHttp.getSource().exclude("**/test-output/**", "**/.settings/**", "**/.classpath",
"**/.project", "**/.gradle/**", "**/node_modules/**", "**/spring-jcl/**", "buildSrc/build/**",
".claude/**");
excludeGitIgnoredPaths(project, noHttp);
noHttp.getSource().exclude("**/test-output/**", "**/.settings/**",
"**/.classpath", "**/.project", "**/.gradle/**", "**/node_modules/**", "buildSrc/build/**");
List<String> buildFolders = List.of("bin", "build", "out");
project.allprojects(subproject -> {
Path rootPath = project.getRootDir().toPath();
@@ -83,48 +76,4 @@ public class CheckstyleConventions {
});
}
/**
* Additionally exclude everything matched by the root {@code .gitignore} file,
* so that new ignored paths (build output, IDE metadata, local git worktrees,
* etc.) are automatically kept out of nohttp scanning without having to
* remember to mirror every {@code .gitignore} change here as well.
* <p>Negated patterns (lines starting with {@code !}) are not supported and are
* simply skipped, since there is no useful Ant-glob equivalent for them here.
*/
private static void excludeGitIgnoredPaths(Project project, NoHttpExtension noHttp) {
File gitignore = project.getRootProject().file(".gitignore");
if (!gitignore.exists()) {
return;
}
try {
for (String line : Files.readAllLines(gitignore.toPath())) {
String pattern = line.strip();
if (pattern.isEmpty() || pattern.startsWith("#") || pattern.startsWith("!")) {
continue;
}
boolean directoryOnly = pattern.endsWith("/");
if (directoryOnly) {
pattern = pattern.substring(0, pattern.length() - 1);
}
// A '/' anywhere but a (now removed) trailing position anchors the
// pattern to the repository root; otherwise it matches at any depth.
boolean anchored = pattern.contains("/");
if (pattern.startsWith("/")) {
pattern = pattern.substring(1);
}
String rootPattern = anchored ? pattern : "**/" + pattern;
if (directoryOnly) {
noHttp.getSource().exclude(rootPattern + "/**");
}
else {
// The pattern may match either a file or a directory, so exclude both.
noHttp.getSource().exclude(rootPattern, rootPattern + "/**");
}
}
}
catch (IOException ex) {
throw new UncheckedIOException("Failed to read .gitignore for nohttp exclusions", ex);
}
}
}
@@ -21,15 +21,12 @@ import org.gradle.api.Project;
import org.gradle.api.plugins.JavaBasePlugin;
import org.jetbrains.kotlin.gradle.plugin.KotlinBasePlugin;
import org.springframework.build.architecture.ArchitecturePlugin;
/**
* Plugin to apply conventions to projects that are part of Spring Framework's build.
* Conventions are applied in response to various plugins being applied.
*
* <p>When the {@link JavaBasePlugin} is applied, the conventions in {@link CheckstyleConventions},
* {@link TestConventions} and {@link JavaConventions} are applied.
* The {@link ArchitecturePlugin} plugin is also applied.
* When the {@link KotlinBasePlugin} is applied, the conventions in {@link KotlinConventions}
* are applied.
*
@@ -39,8 +36,6 @@ public class ConventionsPlugin implements Plugin<Project> {
@Override
public void apply(Project project) {
project.getExtensions().create("springFramework", SpringFrameworkExtension.class);
new ArchitecturePlugin().apply(project);
new CheckstyleConventions().apply(project);
new JavaConventions().apply(project);
new KotlinConventions().apply(project);
@@ -17,6 +17,7 @@
package org.springframework.build;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.gradle.api.Plugin;
@@ -26,6 +27,7 @@ import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.compile.JavaCompile;
import org.gradle.jvm.toolchain.JavaLanguageVersion;
import org.gradle.jvm.toolchain.JvmVendorSpec;
/**
* {@link Plugin} that applies conventions for compiling Java sources in Spring Framework.
@@ -40,21 +42,8 @@ public class JavaConventions {
private static final List<String> TEST_COMPILER_ARGS;
/**
* The Java version we should use as the JVM baseline for building the project.
* <p>NOTE: If you update this value, you should also update the value used in
* the {@code javadoc} task in {@code framework-api.gradle}.
*/
private static final JavaLanguageVersion DEFAULT_LANGUAGE_VERSION = JavaLanguageVersion.of(25);
/**
* The Java version we should use as the baseline for the compiled bytecode
* (the "-release" compiler argument).
*/
private static final JavaLanguageVersion DEFAULT_RELEASE_VERSION = JavaLanguageVersion.of(17);
static {
List<String> commonCompilerArgs = List.of(
List<String> commonCompilerArgs = Arrays.asList(
"-Xlint:serial", "-Xlint:cast", "-Xlint:classfile", "-Xlint:dep-ann",
"-Xlint:divzero", "-Xlint:empty", "-Xlint:finally", "-Xlint:overrides",
"-Xlint:path", "-Xlint:processing", "-Xlint:static", "-Xlint:try", "-Xlint:-options",
@@ -62,74 +51,43 @@ public class JavaConventions {
);
COMPILER_ARGS = new ArrayList<>();
COMPILER_ARGS.addAll(commonCompilerArgs);
COMPILER_ARGS.addAll(List.of(
COMPILER_ARGS.addAll(Arrays.asList(
"-Xlint:varargs", "-Xlint:fallthrough", "-Xlint:rawtypes", "-Xlint:deprecation",
"-Xlint:unchecked", "-Werror"
));
TEST_COMPILER_ARGS = new ArrayList<>();
TEST_COMPILER_ARGS.addAll(commonCompilerArgs);
TEST_COMPILER_ARGS.addAll(List.of("-Xlint:-varargs", "-Xlint:-fallthrough", "-Xlint:-rawtypes",
TEST_COMPILER_ARGS.addAll(Arrays.asList("-Xlint:-varargs", "-Xlint:-fallthrough", "-Xlint:-rawtypes",
"-Xlint:-deprecation", "-Xlint:-unchecked"));
}
public void apply(Project project) {
project.getPlugins().withType(JavaBasePlugin.class, javaPlugin -> {
applyToolchainConventions(project);
applyJavaCompileConventions(project);
});
project.getPlugins().withType(JavaBasePlugin.class, javaPlugin -> applyJavaCompileConventions(project));
}
/**
* Configure the Toolchain support for the project.
* @param project the current project
*/
private static void applyToolchainConventions(Project project) {
project.getExtensions().getByType(JavaPluginExtension.class).toolchain(toolchain -> {
toolchain.getLanguageVersion().set(DEFAULT_LANGUAGE_VERSION);
});
}
/**
* Apply the common Java compiler options for main sources, test fixture sources, and
* Applies the common Java compiler options for main sources, test fixture sources, and
* test sources.
* @param project the current project
*/
private void applyJavaCompileConventions(Project project) {
project.afterEvaluate(p -> {
p.getTasks().withType(JavaCompile.class)
.matching(compileTask -> compileTask.getName().startsWith(JavaPlugin.COMPILE_JAVA_TASK_NAME))
.forEach(compileTask -> {
compileTask.getOptions().setCompilerArgs(COMPILER_ARGS);
compileTask.getOptions().setEncoding("UTF-8");
setJavaRelease(compileTask);
});
p.getTasks().withType(JavaCompile.class)
.matching(compileTask -> compileTask.getName().startsWith(JavaPlugin.COMPILE_TEST_JAVA_TASK_NAME)
|| compileTask.getName().equals("compileTestFixturesJava"))
.forEach(compileTask -> {
compileTask.getOptions().setCompilerArgs(TEST_COMPILER_ARGS);
compileTask.getOptions().setEncoding("UTF-8");
setJavaRelease(compileTask);
});
project.getExtensions().getByType(JavaPluginExtension.class).toolchain(toolchain -> {
toolchain.getVendor().set(JvmVendorSpec.BELLSOFT);
toolchain.getLanguageVersion().set(JavaLanguageVersion.of(17));
});
}
/**
* We should pick the {@link #DEFAULT_RELEASE_VERSION} for all compiled classes,
* unless the current task is compiling multi-release JAR code with a higher version.
*/
private void setJavaRelease(JavaCompile task) {
int defaultVersion = DEFAULT_RELEASE_VERSION.asInt();
int releaseVersion = defaultVersion;
int compilerVersion = task.getJavaCompiler().get().getMetadata().getLanguageVersion().asInt();
for (int version = defaultVersion ; version <= compilerVersion ; version++) {
if (task.getName().contains("Java" + version)) {
releaseVersion = version;
break;
}
}
task.getOptions().getRelease().set(releaseVersion);
project.getTasks().withType(JavaCompile.class)
.matching(compileTask -> compileTask.getName().equals(JavaPlugin.COMPILE_JAVA_TASK_NAME))
.forEach(compileTask -> {
compileTask.getOptions().setCompilerArgs(COMPILER_ARGS);
compileTask.getOptions().setEncoding("UTF-8");
});
project.getTasks().withType(JavaCompile.class)
.matching(compileTask -> compileTask.getName().equals(JavaPlugin.COMPILE_TEST_JAVA_TASK_NAME)
|| compileTask.getName().equals("compileTestFixturesJava"))
.forEach(compileTask -> {
compileTask.getOptions().setCompilerArgs(TEST_COMPILER_ARGS);
compileTask.getOptions().setEncoding("UTF-8");
});
}
}
@@ -16,78 +16,33 @@
package org.springframework.build;
import java.util.ArrayList;
import java.util.List;
import org.gradle.api.Project;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.SourceSetContainer;
import org.jetbrains.dokka.gradle.DokkaExtension;
import org.jetbrains.dokka.gradle.DokkaPlugin;
import org.jetbrains.kotlin.gradle.dsl.JvmTarget;
import org.jetbrains.kotlin.gradle.dsl.KotlinVersion;
import org.jetbrains.kotlin.gradle.dsl.KotlinJvmOptions;
import org.jetbrains.kotlin.gradle.tasks.KotlinCompile;
/**
* @author Brian Clozel
* @author Sebastien Deleuze
*/
public class KotlinConventions {
void apply(Project project) {
project.getPlugins().withId("org.jetbrains.kotlin.jvm", plugin -> {
project.getTasks().withType(KotlinCompile.class, this::configure);
if (project.getLayout().getProjectDirectory().dir("src/main/kotlin").getAsFile().exists()) {
project.getPlugins().apply(DokkaPlugin.class);
project.getExtensions().configure(DokkaExtension.class, dokka -> configure(project, dokka));
project.project(":framework-api").getDependencies().add("dokka", project);
}
});
project.getPlugins().withId("org.jetbrains.kotlin.jvm",
(plugin) -> project.getTasks().withType(KotlinCompile.class, this::configure));
}
private void configure(KotlinCompile compile) {
compile.compilerOptions(options -> {
options.getApiVersion().set(KotlinVersion.KOTLIN_2_2);
options.getLanguageVersion().set(KotlinVersion.KOTLIN_2_2);
options.getJvmTarget().set(JvmTarget.JVM_17);
options.getJavaParameters().set(true);
options.getAllWarningsAsErrors().set(true);
options.getFreeCompilerArgs().addAll(
"-Xsuppress-version-warnings",
"-Xjsr305=strict", // For dependencies using JSR 305
"-opt-in=kotlin.RequiresOptIn",
"-Xjdk-release=17", // Needed due to https://youtrack.jetbrains.com/issue/KT-49746
"-Xannotation-default-target=param-property" // Upcoming default, see https://youtrack.jetbrains.com/issue/KT-73255
);
});
}
private void configure(Project project, DokkaExtension dokka) {
dokka.getDokkaSourceSets().forEach(sourceSet -> {
sourceSet.getSourceRoots().setFrom(project.file("src/main/kotlin"));
sourceSet.getClasspath()
.from(project.getExtensions()
.getByType(SourceSetContainer.class)
.getByName(SourceSet.MAIN_SOURCE_SET_NAME)
.getOutput());
var externalDocumentationLinks = sourceSet.getExternalDocumentationLinks();
var springVersion = project.getVersion();
externalDocumentationLinks.register("spring-framework", spec -> {
spec.url("https://docs.spring.io/spring-framework/docs/" + springVersion + "/javadoc-api/");
spec.packageListUrl("https://docs.spring.io/spring-framework/docs/" + springVersion + "/javadoc-api/element-list");
});
externalDocumentationLinks.register("reactor-core", spec ->
spec.url("https://projectreactor.io/docs/core/release/api/"));
externalDocumentationLinks.register("reactive-streams", spec ->
spec.url("https://www.reactive-streams.org/reactive-streams-1.0.3-javadoc/"));
externalDocumentationLinks.register("kotlinx-coroutines", spec ->
spec.url("https://kotlinlang.org/api/kotlinx.coroutines/"));
externalDocumentationLinks.register("hamcrest", spec ->
spec.url("https://javadoc.io/doc/org.hamcrest/hamcrest/2.1/"));
externalDocumentationLinks.register("jakarta-servlet", spec -> {
spec.url("https://javadoc.io/doc/jakarta.servlet/jakarta.servlet-api/latest/");
spec.packageListUrl("https://javadoc.io/doc/jakarta.servlet/jakarta.servlet-api/latest/element-list");
});
externalDocumentationLinks.register("rsocket-core", spec ->
spec.url("https://javadoc.io/static/io.rsocket/rsocket-core/1.1.1/"));
});
KotlinJvmOptions kotlinOptions = compile.getKotlinOptions();
kotlinOptions.setApiVersion("1.7");
kotlinOptions.setLanguageVersion("1.7");
kotlinOptions.setJvmTarget("17");
kotlinOptions.setJavaParameters(true);
kotlinOptions.setAllWarningsAsErrors(true);
List<String> freeCompilerArgs = new ArrayList<>(compile.getKotlinOptions().getFreeCompilerArgs());
freeCompilerArgs.addAll(List.of("-Xsuppress-version-warnings", "-Xjsr305=strict", "-opt-in=kotlin.RequiresOptIn"));
compile.getKotlinOptions().setFreeCompilerArgs(freeCompilerArgs);
}
}
@@ -1,98 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
/**
* Plugin that configures the OSS, commercial and release train repositories in the build.
*
* @author Brian Clozel
*/
public class RepositoriesPlugin implements Plugin <Project> {
@Override
public void apply(Project project) {
configureOssRepositories(project);
configureCommercialRepositories(project);
configureReleaseTrainRepository(project);
}
private void configureOssRepositories(Project project) {
project.getRepositories().mavenCentral();
if (project.getVersion().toString().contains("-")) {
project.getRepositories().maven(repository -> {
repository.setName("spring-oss-milestone");
repository.setUrl("https://repo.spring.io/milestone/");
});
}
if (project.getVersion().toString().endsWith("-SNAPSHOT")) {
project.getRepositories().maven(repository -> {
repository.setName("spring-oss-snapshot");
repository.setUrl("https://repo.spring.io/snapshot/");
});
}
}
private void configureCommercialRepositories(Project project) {
String releaseRepositoryUrl = getEnv("COMMERCIAL_RELEASE_REPO_URL");
if (releaseRepositoryUrl != null) {
project.getRepositories().maven((repository) -> {
repository.setName("spring-commercial-release");
repository.setUrl(releaseRepositoryUrl);
repository.credentials((creds) -> {
creds.setUsername(System.getenv("COMMERCIAL_REPO_USERNAME"));
creds.setPassword(System.getenv("COMMERCIAL_REPO_PASSWORD"));
});
});
}
String snapshotRepositoryUrl = getEnv("COMMERCIAL_SNAPSHOT_REPO_URL");
if (snapshotRepositoryUrl != null && project.getVersion().toString().endsWith("-SNAPSHOT")) {
project.getRepositories().maven((repository) -> {
repository.setName("spring-commercial-snapshot");
repository.setUrl(snapshotRepositoryUrl);
repository.credentials((creds) -> {
creds.setUsername(System.getenv("COMMERCIAL_REPO_USERNAME"));
creds.setPassword(System.getenv("COMMERCIAL_REPO_PASSWORD"));
});
});
}
}
private void configureReleaseTrainRepository(Project project) {
String releaseTrainRepositoryUrl = getEnv("RELEASE_TRAIN_MAVEN_REPOSITORY_URL");
if (releaseTrainRepositoryUrl != null) {
project.getRepositories().maven(repository -> {
repository.setName("spring-release-train");
repository.setUrl(releaseTrainRepositoryUrl);
repository.credentials((creds) -> {
creds.setUsername(System.getenv("RELEASE_TRAIN_MAVEN_REPOSITORY_USERNAME"));
creds.setPassword(System.getenv("RELEASE_TRAIN_MAVEN_REPOSITORY_PASSWORD"));
});
});
}
}
/**
* Returns the environment variable's value, or {@code null} if it is unset or blank.
*/
private static String getEnv(String name) {
String value = System.getenv(name);
return (value != null && !value.isBlank()) ? value : null;
}
}
@@ -1,53 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build;
import java.util.Collections;
import java.util.List;
import org.gradle.api.Project;
import org.gradle.api.provider.Property;
import org.gradle.api.tasks.compile.JavaCompile;
import org.gradle.api.tasks.testing.Test;
import org.gradle.process.CommandLineArgumentProvider;
public class SpringFrameworkExtension {
private final Property<Boolean> enableJavaPreviewFeatures;
public SpringFrameworkExtension(Project project) {
this.enableJavaPreviewFeatures = project.getObjects().property(Boolean.class);
project.getTasks().withType(JavaCompile.class).configureEach(javaCompile ->
javaCompile.getOptions().getCompilerArgumentProviders().add(asArgumentProvider()));
project.getTasks().withType(Test.class).configureEach(test ->
test.getJvmArgumentProviders().add(asArgumentProvider()));
}
public Property<Boolean> getEnableJavaPreviewFeatures() {
return this.enableJavaPreviewFeatures;
}
private CommandLineArgumentProvider asArgumentProvider() {
return () -> {
if (getEnableJavaPreviewFeatures().getOrElse(false)) {
return List.of("--enable-preview");
}
return Collections.emptyList();
};
}
}
@@ -16,9 +16,9 @@
package org.springframework.build;
import java.util.Map;
import org.gradle.api.Project;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.Dependency;
import org.gradle.api.plugins.JavaBasePlugin;
import org.gradle.api.tasks.testing.Test;
import org.gradle.api.tasks.testing.TestFrameworkOptions;
@@ -26,16 +26,12 @@ import org.gradle.api.tasks.testing.junitplatform.JUnitPlatformOptions;
import org.gradle.testretry.TestRetryPlugin;
import org.gradle.testretry.TestRetryTaskExtension;
import java.util.Map;
/**
* Conventions that are applied in the presence of the {@link JavaBasePlugin}. When the
* plugin is applied:
* <ul>
* <li>The {@link TestRetryPlugin Test Retry} plugin is applied so that flaky tests
* are retried 3 times when running on the CI server.
* <li>Common test properties are configured
* <li>The ByteBuddy Java agent is configured on test tasks.
* </ul>
*
* @author Brian Clozel
@@ -49,7 +45,6 @@ class TestConventions {
}
private void configureTestConventions(Project project) {
configureByteBuddyAgent(project);
project.getTasks().withType(Test.class,
test -> {
configureTests(project, test);
@@ -68,10 +63,12 @@ class TestConventions {
test.setSystemProperties(Map.of(
"java.awt.headless", "true",
"io.netty.leakDetection.level", "paranoid",
"junit.platform.discovery.issue.severity.critical", "INFO"
"io.netty5.leakDetectionLevel", "paranoid",
"io.netty5.leakDetection.targetRecords", "32",
"io.netty5.buffer.lifecycleTracingEnabled", "true"
));
if (project.hasProperty("testGroups")) {
test.systemProperty("testGroups", project.findProperty("testGroups"));
test.systemProperty("testGroups", project.getProperties().get("testGroups"));
}
test.jvmArgs(
"--add-opens=java.base/java.lang=ALL-UNNAMED",
@@ -80,20 +77,6 @@ class TestConventions {
);
}
private void configureByteBuddyAgent(Project project) {
if (project.hasProperty("byteBuddyVersion")) {
String byteBuddyVersion = (String) project.findProperty("byteBuddyVersion");
Configuration byteBuddyAgentConfig = project.getConfigurations().create("byteBuddyAgentConfig");
byteBuddyAgentConfig.setTransitive(false);
Dependency byteBuddyAgent = project.getDependencies().create("net.bytebuddy:byte-buddy-agent:" + byteBuddyVersion);
byteBuddyAgentConfig.getDependencies().add(byteBuddyAgent);
project.afterEvaluate(p -> {
p.getTasks().withType(Test.class, test -> test
.jvmArgs("-javaagent:" + byteBuddyAgentConfig.getAsPath()));
});
}
}
private void configureTestRetryPlugin(Project project, Test test) {
project.getPlugins().withType(TestRetryPlugin.class, testRetryPlugin -> {
TestRetryTaskExtension testRetry = test.getExtensions().getByType(TestRetryTaskExtension.class);
@@ -1,135 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.architecture;
import com.tngtech.archunit.core.domain.JavaClasses;
import com.tngtech.archunit.core.importer.ClassFileImporter;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.EvaluationResult;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;
import java.util.List;
import org.gradle.api.DefaultTask;
import org.gradle.api.GradleException;
import org.gradle.api.Task;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.FileTree;
import org.gradle.api.provider.ListProperty;
import org.gradle.api.provider.Property;
import org.gradle.api.tasks.IgnoreEmptyDirectories;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.InputFiles;
import org.gradle.api.tasks.Internal;
import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.PathSensitivity;
import org.gradle.api.tasks.SkipWhenEmpty;
import org.gradle.api.tasks.TaskAction;
import static org.springframework.build.architecture.ArchitectureRules.allPackagesShouldBeFreeOfTangles;
import static org.springframework.build.architecture.ArchitectureRules.classesShouldNotImportForbiddenTypes;
import static org.springframework.build.architecture.ArchitectureRules.javaClassesShouldNotImportKotlinAnnotations;
import static org.springframework.build.architecture.ArchitectureRules.noClassesShouldCallStringToLowerCaseWithoutLocale;
import static org.springframework.build.architecture.ArchitectureRules.noClassesShouldCallStringToUpperCaseWithoutLocale;
/**
* {@link Task} that checks for architecture problems.
*
* @author Andy Wilkinson
* @author Scott Frederick
*/
public abstract class ArchitectureCheck extends DefaultTask {
private FileCollection classes;
public ArchitectureCheck() {
getOutputDirectory().convention(getProject().getLayout().getBuildDirectory().dir(getName()));
getProhibitObjectsRequireNonNull().convention(true);
getRules().addAll(classesShouldNotImportForbiddenTypes(),
javaClassesShouldNotImportKotlinAnnotations(),
allPackagesShouldBeFreeOfTangles(),
noClassesShouldCallStringToLowerCaseWithoutLocale(),
noClassesShouldCallStringToUpperCaseWithoutLocale());
getRuleDescriptions().set(getRules().map((rules) -> rules.stream().map(ArchRule::getDescription).toList()));
}
@TaskAction
void checkArchitecture() throws IOException {
JavaClasses javaClasses = new ClassFileImporter()
.importPaths(this.classes.getFiles().stream().map(File::toPath).toList());
List<EvaluationResult> violations = getRules().get()
.stream()
.map((rule) -> rule.evaluate(javaClasses))
.filter(EvaluationResult::hasViolation)
.toList();
File outputFile = getOutputDirectory().file("failure-report.txt").get().getAsFile();
outputFile.getParentFile().mkdirs();
if (!violations.isEmpty()) {
StringBuilder report = new StringBuilder();
for (EvaluationResult violation : violations) {
report.append(violation.getFailureReport());
report.append(String.format("%n"));
}
Files.writeString(outputFile.toPath(), report.toString(), StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING);
throw new GradleException("Architecture check failed. See '" + outputFile + "' for details.");
}
else {
outputFile.createNewFile();
}
}
public void setClasses(FileCollection classes) {
this.classes = classes;
}
@Internal
public FileCollection getClasses() {
return this.classes;
}
@InputFiles
@SkipWhenEmpty
@IgnoreEmptyDirectories
@PathSensitive(PathSensitivity.RELATIVE)
final FileTree getInputClasses() {
return this.classes.getAsFileTree();
}
@Optional
@InputFiles
@PathSensitive(PathSensitivity.RELATIVE)
public abstract DirectoryProperty getResourcesDirectory();
@OutputDirectory
public abstract DirectoryProperty getOutputDirectory();
@Internal
public abstract ListProperty<ArchRule> getRules();
@Internal
public abstract Property<Boolean> getProhibitObjectsRequireNonNull();
@Input
// The rules themselves can't be an input as they aren't serializable so we use
// their descriptions instead
abstract ListProperty<String> getRuleDescriptions();
}
@@ -1,74 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.architecture;
import java.util.ArrayList;
import java.util.List;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.language.base.plugins.LifecycleBasePlugin;
/**
* {@link Plugin} for verifying a project's architecture.
*
* @author Andy Wilkinson
*/
public class ArchitecturePlugin implements Plugin<Project> {
@Override
public void apply(Project project) {
project.getPlugins().withType(JavaPlugin.class, (javaPlugin) -> registerTasks(project));
}
private void registerTasks(Project project) {
JavaPluginExtension javaPluginExtension = project.getExtensions().getByType(JavaPluginExtension.class);
List<TaskProvider<ArchitectureCheck>> architectureChecks = new ArrayList<>();
for (SourceSet sourceSet : javaPluginExtension.getSourceSets()) {
if (sourceSet.getName().contains("test")) {
// skip test source sets.
continue;
}
TaskProvider<ArchitectureCheck> checkArchitecture = project.getTasks()
.register(taskName(sourceSet), ArchitectureCheck.class,
(task) -> {
task.setClasses(sourceSet.getOutput().getClassesDirs());
task.getResourcesDirectory().set(sourceSet.getOutput().getResourcesDir());
task.dependsOn(sourceSet.getProcessResourcesTaskName());
task.setDescription("Checks the architecture of the classes of the " + sourceSet.getName()
+ " source set.");
task.setGroup(LifecycleBasePlugin.VERIFICATION_GROUP);
});
architectureChecks.add(checkArchitecture);
}
if (!architectureChecks.isEmpty()) {
TaskProvider<Task> checkTask = project.getTasks().named(LifecycleBasePlugin.CHECK_TASK_NAME);
checkTask.configure((check) -> check.dependsOn(architectureChecks));
}
}
private static String taskName(SourceSet sourceSet) {
return "checkArchitecture"
+ sourceSet.getName().substring(0, 1).toUpperCase()
+ sourceSet.getName().substring(1);
}
}
@@ -1,100 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.architecture;
import com.tngtech.archunit.base.DescribedPredicate;
import com.tngtech.archunit.core.domain.JavaClass;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.syntax.ArchRuleDefinition;
import com.tngtech.archunit.library.dependencies.SliceAssignment;
import com.tngtech.archunit.library.dependencies.SliceIdentifier;
import com.tngtech.archunit.library.dependencies.SlicesRuleDefinition;
import java.util.List;
abstract class ArchitectureRules {
static ArchRule allPackagesShouldBeFreeOfTangles() {
return SlicesRuleDefinition.slices()
.assignedFrom(new SpringSlices()).should().beFreeOfCycles();
}
static ArchRule noClassesShouldCallStringToLowerCaseWithoutLocale() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(String.class, "toLowerCase")
.because("String.toLowerCase(Locale.ROOT) should be used instead");
}
static ArchRule noClassesShouldCallStringToUpperCaseWithoutLocale() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(String.class, "toUpperCase")
.because("String.toUpperCase(Locale.ROOT) should be used instead");
}
static ArchRule classesShouldNotImportForbiddenTypes() {
return ArchRuleDefinition.noClasses()
.should().dependOnClassesThat()
.haveFullyQualifiedName("reactor.core.support.Assert")
.orShould().dependOnClassesThat()
.haveFullyQualifiedName("org.slf4j.LoggerFactory")
.orShould().dependOnClassesThat()
.haveFullyQualifiedName("org.springframework.lang.NonNull")
.orShould().dependOnClassesThat()
.haveFullyQualifiedName("org.springframework.lang.Nullable");
}
static ArchRule javaClassesShouldNotImportKotlinAnnotations() {
return ArchRuleDefinition.noClasses()
.that(new DescribedPredicate<JavaClass>("is not a Kotlin class") {
@Override
public boolean test(JavaClass javaClass) {
return javaClass.getSourceCodeLocation()
.getSourceFileName().endsWith(".java");
}
}
)
.should().dependOnClassesThat()
.resideInAnyPackage("org.jetbrains.annotations..")
.allowEmptyShould(true);
}
static class SpringSlices implements SliceAssignment {
private final List<String> ignoredPackages = List.of("org.springframework.asm",
"org.springframework.cglib",
"org.springframework.javapoet",
"org.springframework.objenesis");
@Override
public SliceIdentifier getIdentifierOf(JavaClass javaClass) {
String packageName = javaClass.getPackageName();
for (String ignoredPackage : ignoredPackages) {
if (packageName.startsWith(ignoredPackage)) {
return SliceIdentifier.ignore();
}
}
return SliceIdentifier.of("spring framework");
}
@Override
public String getDescription() {
return "Spring Framework Slices";
}
}
}
@@ -1,139 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.multirelease;
import javax.inject.Inject;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.ConfigurationContainer;
import org.gradle.api.artifacts.dsl.DependencyHandler;
import org.gradle.api.attributes.LibraryElements;
import org.gradle.api.file.ConfigurableFileCollection;
import org.gradle.api.file.FileCollection;
import org.gradle.api.java.archives.Attributes;
import org.gradle.api.model.ObjectFactory;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.SourceSetContainer;
import org.gradle.api.tasks.TaskContainer;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.api.tasks.bundling.Jar;
import org.gradle.api.tasks.compile.JavaCompile;
import org.gradle.api.tasks.testing.Test;
import org.gradle.language.base.plugins.LifecycleBasePlugin;
/**
* @author Cedric Champeau
* @author Brian Clozel
*/
public abstract class MultiReleaseExtension {
private final TaskContainer tasks;
private final SourceSetContainer sourceSets;
private final DependencyHandler dependencies;
private final ObjectFactory objects;
private final ConfigurationContainer configurations;
@Inject
public MultiReleaseExtension(SourceSetContainer sourceSets,
ConfigurationContainer configurations,
TaskContainer tasks,
DependencyHandler dependencies,
ObjectFactory objectFactory) {
this.sourceSets = sourceSets;
this.configurations = configurations;
this.tasks = tasks;
this.dependencies = dependencies;
this.objects = objectFactory;
}
public void releaseVersions(int... javaVersions) {
releaseVersions("src/main/", "src/test/", javaVersions);
}
private void releaseVersions(String mainSourceDirectory, String testSourceDirectory, int... javaVersions) {
for (int javaVersion : javaVersions) {
addLanguageVersion(javaVersion, mainSourceDirectory, testSourceDirectory);
}
}
private void addLanguageVersion(int javaVersion, String mainSourceDirectory, String testSourceDirectory) {
String javaN = "java" + javaVersion;
SourceSet langSourceSet = sourceSets.create(javaN, srcSet -> srcSet.getJava().srcDir(mainSourceDirectory + javaN));
SourceSet testSourceSet = sourceSets.create(javaN + "Test", srcSet -> srcSet.getJava().srcDir(testSourceDirectory + javaN));
SourceSet sharedSourceSet = sourceSets.findByName(SourceSet.MAIN_SOURCE_SET_NAME);
SourceSet sharedTestSourceSet = sourceSets.findByName(SourceSet.TEST_SOURCE_SET_NAME);
FileCollection mainClasses = objects.fileCollection().from(sourceSets.getByName(SourceSet.MAIN_SOURCE_SET_NAME).getOutput().getClassesDirs());
dependencies.add(javaN + "Implementation", mainClasses);
tasks.named(langSourceSet.getCompileJavaTaskName(), JavaCompile.class, task ->
task.getOptions().getRelease().set(javaVersion)
);
tasks.named(testSourceSet.getCompileJavaTaskName(), JavaCompile.class, task ->
task.getOptions().getRelease().set(javaVersion)
);
TaskProvider<Test> testTask = createTestTask(javaVersion, testSourceSet, sharedTestSourceSet, langSourceSet, sharedSourceSet);
tasks.named("check", task -> task.dependsOn(testTask));
configureMultiReleaseJar(javaVersion, langSourceSet);
}
private TaskProvider<Test> createTestTask(int javaVersion, SourceSet testSourceSet, SourceSet sharedTestSourceSet, SourceSet langSourceSet, SourceSet sharedSourceSet) {
Configuration testImplementation = configurations.getByName(testSourceSet.getImplementationConfigurationName());
testImplementation.extendsFrom(configurations.getByName(sharedTestSourceSet.getImplementationConfigurationName()));
Configuration testCompileOnly = configurations.getByName(testSourceSet.getCompileOnlyConfigurationName());
testCompileOnly.extendsFrom(configurations.getByName(sharedTestSourceSet.getCompileOnlyConfigurationName()));
testCompileOnly.getDependencies().add(dependencies.create(langSourceSet.getOutput().getClassesDirs()));
testCompileOnly.getDependencies().add(dependencies.create(sharedSourceSet.getOutput().getClassesDirs()));
Configuration testRuntimeClasspath = configurations.getByName(testSourceSet.getRuntimeClasspathConfigurationName());
// so here's the deal. MRjars are JARs! Which means that to execute tests, we need
// the JAR on classpath, not just classes + resources as Gradle usually does
testRuntimeClasspath.getAttributes()
.attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, objects.named(LibraryElements.class, LibraryElements.JAR));
TaskProvider<Test> testTask = tasks.register("java" + javaVersion + "Test", Test.class, test -> {
test.setGroup(LifecycleBasePlugin.VERIFICATION_GROUP);
ConfigurableFileCollection testClassesDirs = objects.fileCollection();
testClassesDirs.from(testSourceSet.getOutput());
testClassesDirs.from(sharedTestSourceSet.getOutput());
test.setTestClassesDirs(testClassesDirs);
ConfigurableFileCollection classpath = objects.fileCollection();
// must put the MRJar first on classpath
classpath.from(tasks.named("jar"));
// then we put the specific test sourceset tests, so that we can override
// the shared versions
classpath.from(testSourceSet.getOutput());
// then we add the shared tests
classpath.from(sharedTestSourceSet.getRuntimeClasspath());
test.setClasspath(classpath);
});
return testTask;
}
private void configureMultiReleaseJar(int version, SourceSet languageSourceSet) {
tasks.named("jar", Jar.class, jar -> {
jar.into("META-INF/versions/" + version, s -> s.from(languageSourceSet.getOutput()));
Attributes attributes = jar.getManifest().getAttributes();
attributes.put("Multi-Release", "true");
});
}
}
@@ -1,76 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.multirelease;
import javax.inject.Inject;
import org.gradle.api.JavaVersion;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.artifacts.ConfigurationContainer;
import org.gradle.api.artifacts.dsl.DependencyHandler;
import org.gradle.api.model.ObjectFactory;
import org.gradle.api.plugins.ExtensionContainer;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.TaskContainer;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.api.tasks.bundling.AbstractArchiveTask;
import org.gradle.jvm.tasks.Jar;
import org.gradle.jvm.toolchain.JavaLanguageVersion;
import org.gradle.jvm.toolchain.JavaToolchainService;
/**
* A plugin which adds support for building multi-release jars
* with Gradle.
* @author Cedric Champeau
* @author Brian Clozel
* @see <a href="https://github.com/melix/mrjar-gradle-plugin">original project</a>
*/
public class MultiReleaseJarPlugin implements Plugin<Project> {
public static String VALIDATE_JAR_TASK_NAME = "validateMultiReleaseJar";
@Inject
protected JavaToolchainService getToolchains() {
throw new UnsupportedOperationException();
}
public void apply(Project project) {
project.getPlugins().apply(JavaPlugin.class);
ExtensionContainer extensions = project.getExtensions();
JavaPluginExtension javaPluginExtension = extensions.getByType(JavaPluginExtension.class);
ConfigurationContainer configurations = project.getConfigurations();
TaskContainer tasks = project.getTasks();
DependencyHandler dependencies = project.getDependencies();
ObjectFactory objects = project.getObjects();
extensions.create("multiRelease", MultiReleaseExtension.class,
javaPluginExtension.getSourceSets(),
configurations,
tasks,
dependencies,
objects);
if (JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_25)) {
TaskProvider<MultiReleaseJarValidateTask> validateJarTask = tasks.register(VALIDATE_JAR_TASK_NAME, MultiReleaseJarValidateTask.class, (task) -> {
task.getJar().set(tasks.named("jar", Jar.class).flatMap(AbstractArchiveTask::getArchiveFile));
task.getJavaLauncher().set(task.getJavaToolchainService().launcherFor(spec -> spec.getLanguageVersion().set(JavaLanguageVersion.of(25))));
});
tasks.named("check", task -> task.dependsOn(validateJarTask));
}
}
}
@@ -1,47 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.multirelease;
import org.gradle.api.file.RegularFileProperty;
import org.gradle.api.tasks.CacheableTask;
import org.gradle.api.tasks.InputFile;
import org.gradle.api.tasks.JavaExec;
import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.PathSensitivity;
import org.gradle.jvm.toolchain.JavaToolchainService;
import java.util.List;
import javax.inject.Inject;
@CacheableTask
public abstract class MultiReleaseJarValidateTask extends JavaExec {
public MultiReleaseJarValidateTask() {
getMainModule().set("jdk.jartool");
getArgumentProviders().add(() -> List.of("--validate", "--file", getJar().get().getAsFile().getAbsolutePath()));
}
@Inject
protected abstract JavaToolchainService getJavaToolchainService();
@InputFile
@PathSensitive(PathSensitivity.RELATIVE)
public abstract RegularFileProperty getJar();
}
@@ -78,7 +78,7 @@ public class ShadowSource extends DefaultTask {
}
@OutputDirectory
public DirectoryProperty getOutputDirectory() {
DirectoryProperty getOutputDirectory() {
return this.outputDirectory;
}
@@ -1,182 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.multirelease;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import org.gradle.testkit.runner.BuildResult;
import org.gradle.testkit.runner.GradleRunner;
import org.gradle.testkit.runner.UnexpectedBuildFailure;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.condition.DisabledForJreRange;
import org.junit.jupiter.api.condition.JRE;
import org.junit.jupiter.api.io.TempDir;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
/**
* Tests for {@link MultiReleaseJarPlugin}
*/
public class MultiReleaseJarPluginTests {
private File projectDir;
private File buildFile;
private File propertiesFile;
@BeforeEach
void setup(@TempDir File projectDir) {
this.projectDir = projectDir;
this.buildFile = new File(this.projectDir, "build.gradle");
this.propertiesFile = new File(this.projectDir, "gradle.properties");
}
@Test
void configureSourceSets() throws IOException {
writeBuildFile("""
plugins {
id 'java'
id 'org.springframework.build.multiReleaseJar'
}
multiRelease { releaseVersions 21, 24 }
task printSourceSets {
doLast {
sourceSets.all { println it.name }
}
}
""");
BuildResult buildResult = runGradle("printSourceSets");
assertThat(buildResult.getOutput()).contains("main", "test", "java21", "java21Test", "java24", "java24Test");
}
@Test
void configureToolchainReleaseVersion() throws IOException {
writeBuildFile("""
plugins {
id 'java'
id 'org.springframework.build.multiReleaseJar'
}
multiRelease { releaseVersions 21 }
task printReleaseVersion {
doLast {
tasks.all { println it.name }
tasks.named("compileJava21Java") {
println "compileJava21Java releaseVersion: ${it.options.release.get()}"
}
tasks.named("compileJava21TestJava") {
println "compileJava21TestJava releaseVersion: ${it.options.release.get()}"
}
}
}
""");
BuildResult buildResult = runGradle("printReleaseVersion");
assertThat(buildResult.getOutput()).contains("compileJava21Java releaseVersion: 21")
.contains("compileJava21TestJava releaseVersion: 21");
}
@Test
void packageInJar() throws IOException {
writeBuildFile("""
plugins {
id 'java'
id 'org.springframework.build.multiReleaseJar'
}
version = '1.2.3'
multiRelease { releaseVersions 17 }
""");
writeClass("src/main/java17", "Main.java", """
public class Main {}
""");
BuildResult buildResult = runGradle("assemble");
File file = new File(this.projectDir, "/build/libs/" + this.projectDir.getName() + "-1.2.3.jar");
assertThat(file).exists();
try (JarFile jar = new JarFile(file)) {
Attributes mainAttributes = jar.getManifest().getMainAttributes();
assertThat(mainAttributes.getValue("Multi-Release")).isEqualTo("true");
assertThat(jar.entries().asIterator()).toIterable()
.anyMatch(entry -> entry.getName().equals("META-INF/versions/17/Main.class"));
}
}
@Test
@DisabledForJreRange(max = JRE.JAVA_24, disabledReason = "'jar --validate' is available as of Java 25")
void validateJar() throws IOException {
writeBuildFile("""
plugins {
id 'java'
id 'org.springframework.build.multiReleaseJar'
}
version = '1.2.3'
tasks.withType(JavaCompile).configureEach {
options.release = 11
}
multiRelease { releaseVersions 17 }
""");
writeGradleProperties("""
org.gradle.jvmargs=-Duser.language=en
""");
writeClass("src/main/java17", "Main.java", """
public class Main {
public void method() {}
}
""");
writeClass("src/main/java", "Main.java", """
public class Main {}
""");
assertThatThrownBy(() ->runGradle("validateMultiReleaseJar"))
.isInstanceOf(UnexpectedBuildFailure.class)
.hasMessageContaining("entry: META-INF/versions/17/Main.class, contains a class with different api from earlier version");
}
private void writeBuildFile(String buildContent) throws IOException {
try (PrintWriter out = new PrintWriter(new FileWriter(this.buildFile))) {
out.print(buildContent);
}
}
private void writeGradleProperties(String properties) throws IOException {
try (PrintWriter out = new PrintWriter(new FileWriter(this.propertiesFile))) {
out.print(properties);
}
}
private void writeClass(String path, String fileName, String fileContent) throws IOException {
Path folder = this.projectDir.toPath().resolve(path);
Files.createDirectories(folder);
Path filePath = folder.resolve(fileName);
Files.createFile(filePath);
Files.writeString(filePath, fileContent);
}
private BuildResult runGradle(String... args) {
return GradleRunner.create().withProjectDir(this.projectDir).withArguments(args).withPluginClasspath().build();
}
}
+18 -24
View File
@@ -1,7 +1,6 @@
plugins {
id 'java-platform'
id 'io.freefair.aggregate-javadoc' version '8.13.1'
id 'org.jetbrains.dokka'
}
description = "Spring Framework API Docs"
@@ -15,17 +14,12 @@ repositories {
}
dependencies {
rootProject.ext.moduleProjects.each { moduleProject ->
javadoc project(moduleProject.path)
moduleProjects.each { moduleProject ->
javadoc moduleProject
}
}
def springAspectsOutput = project(":spring-aspects").sourceSets.main.output
javadoc {
javadocTool.set(javaToolchains.javadocToolFor({
languageVersion = JavaLanguageVersion.of(25)
}))
title = "${rootProject.description} ${version} API"
failOnError = true
options {
@@ -40,35 +34,35 @@ javadoc {
links(rootProject.ext.javadocLinks)
// Check for 'syntax' and 'reference' during linting.
addBooleanOption('Xdoclint:syntax,reference', true)
// Change modularity mismatch from warn to info.
// See https://github.com/spring-projects/spring-framework/issues/27497
addStringOption("-link-modularity-mismatch", "info")
// Fail build on Javadoc warnings.
addBooleanOption('Werror', true)
addBooleanOption('Werror', true) // fail build on Javadoc warnings
}
maxMemory = "1024m"
doFirst {
classpath += files(
// ensure the javadoc process can resolve types compiled from .aj sources
springAspectsOutput
// ensure the javadoc process can resolve types compiled from .aj sources
project(":spring-aspects").sourceSets.main.output
)
classpath += files(rootProject.ext.moduleProjects.collect { it.sourceSets.main.compileClasspath })
classpath += files(moduleProjects.collect { it.sourceSets.main.compileClasspath })
}
}
dokka {
moduleName = "spring-framework"
dokkaPublications.html {
outputDirectory = project.java.docsDir.dir("kdoc-api")
includes.from("$rootProject.rootDir/framework-docs/src/docs/api/dokka-overview.md")
/**
* Produce KDoc for all Spring Framework modules in "build/docs/kdoc"
*/
rootProject.tasks.dokkaHtmlMultiModule.configure {
dependsOn {
tasks.named("javadoc")
}
moduleName.set("spring-framework")
outputDirectory.set(project.java.docsDir.dir("kdoc-api").get().asFile)
includes.from("$rootProject.rootDir/framework-docs/src/docs/api/dokka-overview.md")
}
/**
* Zip all Java docs (javadoc & kdoc) into a single archive
*/
tasks.register('docsZip', Zip) {
dependsOn = ['javadoc', 'dokkaGenerate']
dependsOn = ['javadoc', rootProject.tasks.dokkaHtmlMultiModule]
group = "distribution"
description = "Builds -${archiveClassifier} archive containing api and reference " +
"for deployment at https://docs.spring.io/spring-framework/docs/."
@@ -81,7 +75,7 @@ tasks.register('docsZip', Zip) {
from(javadoc) {
into "javadoc-api"
}
from(project.java.docsDir.dir("kdoc-api")) {
from(rootProject.tasks.dokkaHtmlMultiModule.outputDirectory) {
into "kdoc-api"
}
}
@@ -96,7 +90,7 @@ tasks.register('schemaZip', Zip) {
description = "Builds -${archiveClassifier} archive containing all " +
"XSDs for deployment at https://springframework.org/schema."
duplicatesStrategy = DuplicatesStrategy.EXCLUDE
rootProject.ext.moduleProjects.each { module ->
moduleProjects.each { module ->
def Properties schemas = new Properties();
module.sourceSets.main.resources.find {
+1 -1
View File
@@ -8,7 +8,7 @@ group = "org.springframework"
dependencies {
constraints {
parent.moduleProjects.sort { "$it.name" }.each {
api project(it.path)
api it
}
}
}
+3 -5
View File
@@ -13,10 +13,8 @@ content:
- url: https://github.com/spring-projects/spring-framework
# Refname matching:
# https://docs.antora.org/antora/latest/playbook/content-refname-matching/
# branches: We include snapshots for main, 6.2.x, and 7.0.x to 9.*.x.
branches: ['main', '6.2.x', '{7..9}.+({0..9}).x']
# tags: include all releases from 6.2.0 to 9.*.*.
tags: ['v6.2.+({0..9})', 'v{7..9}.+({0..9}).+({0..9})?(-{RC,M}*)']
branches: ['main', '{6..9}.+({1..9}).x']
tags: ['v{6..9}.+({0..9}).+({0..9})?(-{RC,M}*)', '!(v6.0.{0..8})', '!(v6.0.0-{RC,M}{0..9})']
start_path: framework-docs
asciidoc:
extensions:
@@ -38,4 +36,4 @@ runtime:
failure_level: warn
ui:
bundle:
url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.26/ui-bundle.zip
url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.18/ui-bundle.zip
+1 -1
View File
@@ -31,7 +31,7 @@ asciidoc:
spring-org: 'spring-projects'
spring-github-org: "https://github.com/{spring-org}"
spring-framework-github: "https://github.com/{spring-org}/spring-framework"
spring-framework-code: '{spring-framework-github}/tree/7.0.x'
spring-framework-code: '{spring-framework-github}/tree/main'
spring-framework-issues: '{spring-framework-github}/issues'
spring-framework-wiki: '{spring-framework-github}/wiki'
# Docs
+4 -27
View File
@@ -1,6 +1,3 @@
import org.jetbrains.kotlin.gradle.dsl.JvmTarget
import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
plugins {
id 'kotlin'
id 'io.spring.antora.generate-antora-yml' version '0.0.1'
@@ -15,15 +12,11 @@ apply from: "${rootDir}/gradle/publications.gradle"
antora {
options = [clean: true, fetch: !project.gradle.startParameter.offline, stacktrace: true]
environment = [
'BUILD_REFNAME': 'HEAD',
'BUILD_VERSION': project.version,
'BUILD_REFNAME': 'HEAD',
'BUILD_VERSION': project.version,
]
}
node {
version = '24.15.0'
}
tasks.named("generateAntoraYml") {
asciidocAttributes = project.provider( {
return ["spring-version": project.version ]
@@ -48,16 +41,6 @@ repositories {
}
}
// To avoid a redeclaration error with Kotlin compiler and set the JVM target
tasks.withType(KotlinCompilationTask.class).configureEach {
javaSources.from = []
compilerOptions.jvmTarget = JvmTarget.JVM_17
compilerOptions.freeCompilerArgs.addAll(
"-Xjdk-release=17", // Needed due to https://youtrack.jetbrains.com/issue/KT-49746
"-Xannotation-default-target=param-property" // Upcoming default, see https://youtrack.jetbrains.com/issue/KT-73255
)
}
dependencies {
implementation(project(":spring-aspects"))
implementation(project(":spring-context"))
@@ -71,10 +54,10 @@ dependencies {
implementation(project(":spring-webmvc"))
implementation(project(":spring-websocket"))
implementation("com.github.ben-manes.caffeine:caffeine")
implementation("com.fasterxml.jackson.core:jackson-databind")
implementation("com.fasterxml.jackson.module:jackson-module-parameter-names")
implementation("com.mchange:c3p0:0.9.5.5")
implementation("com.oracle.database.jdbc:ojdbc11")
implementation("io.micrometer:context-propagation")
implementation("io.projectreactor.netty:reactor-netty-http")
implementation("jakarta.jms:jakarta.jms-api")
implementation("jakarta.servlet:jakarta.servlet-api")
@@ -84,15 +67,9 @@ dependencies {
implementation("javax.cache:cache-api")
implementation("org.apache.activemq:activemq-ra:6.1.2")
implementation("org.apache.commons:commons-dbcp2:2.11.0")
implementation("org.apache.groovy:groovy-templates")
implementation("org.aspectj:aspectjweaver")
implementation("org.assertj:assertj-core")
implementation("org.eclipse.jetty.websocket:jetty-websocket-jetty-api")
implementation("org.freemarker:freemarker")
implementation("org.jetbrains.kotlin:kotlin-stdlib")
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core")
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor")
implementation("org.junit.jupiter:junit-jupiter-api")
implementation("tools.jackson.core:jackson-databind")
implementation("tools.jackson.dataformat:jackson-dataformat-xml")
}
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font-family="Helvetica, Arial, sans-serif"
inkscape:version="0.91 r13725"
sodipodi:docname="mvc-splitted-contexts.svg"
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id="path9164" /></marker><marker
inkscape:isstock="true"
style="overflow:visible;"
@@ -48,7 +47,7 @@
inkscape:stockid="Arrow2Mend"><path
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id="path8836" /></marker><marker
inkscape:isstock="true"
style="overflow:visible;"
@@ -59,7 +58,7 @@
inkscape:stockid="Arrow2Mend"><path
transform="scale(0.6) rotate(180) translate(0,0)"
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id="path8520" /></marker><marker
inkscape:isstock="true"
style="overflow:visible;"
@@ -70,7 +69,7 @@
inkscape:stockid="Arrow2Mend"><path
transform="scale(0.6) rotate(180) translate(0,0)"
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id="path8216" /></marker><marker
inkscape:isstock="true"
style="overflow:visible;"
@@ -81,7 +80,7 @@
inkscape:stockid="Arrow2Mend"><path
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id="path7924" /></marker><marker
inkscape:isstock="true"
style="overflow:visible;"
@@ -92,7 +91,7 @@
inkscape:stockid="Arrow2Mend"><path
transform="scale(0.6) rotate(180) translate(0,0)"
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id="path7644" /></marker><marker
inkscape:isstock="true"
style="overflow:visible;"
@@ -103,7 +102,7 @@
inkscape:stockid="Arrow2Mend"><path
transform="scale(0.6) rotate(180) translate(0,0)"
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id="path7375" /></marker><marker
inkscape:isstock="true"
style="overflow:visible;"
@@ -114,7 +113,7 @@
inkscape:stockid="Arrow2Mend"><path
transform="scale(0.6) rotate(180) translate(0,0)"
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id="path7119" /></marker><marker
inkscape:isstock="true"
style="overflow:visible;"
@@ -125,7 +124,7 @@
inkscape:stockid="Arrow2Mend"><path
transform="scale(0.6) rotate(180) translate(0,0)"
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id="path6875" /></marker><marker
inkscape:isstock="true"
style="overflow:visible;"
@@ -136,7 +135,7 @@
inkscape:stockid="Arrow2Mend"><path
transform="scale(0.6) rotate(180) translate(0,0)"
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inkscape:isstock="true"
style="overflow:visible;"
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inkscape:stockid="Arrow2Mend"><path
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inkscape:isstock="true"
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inkscape:stockid="Arrow2Mend"><path
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inkscape:isstock="true"
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inkscape:isstock="true"
style="overflow:visible;"
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id="tspan4965">Delegates if no bean found</tspan></text>
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+10 -18
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@@ -32,7 +32,6 @@
**** xref:core/beans/java/bean-annotation.adoc[]
**** xref:core/beans/java/configuration-annotation.adoc[]
**** xref:core/beans/java/composing-configuration-classes.adoc[]
**** xref:core/beans/java/programmatic-bean-registration.adoc[]
*** xref:core/beans/environment.adoc[]
*** xref:core/beans/context-load-time-weaver.adoc[]
*** xref:core/beans/context-introduction.adoc[]
@@ -40,8 +39,8 @@
** xref:core/resources.adoc[]
** xref:core/validation.adoc[]
*** xref:core/validation/validator.adoc[]
*** xref:core/validation/data-binding.adoc[]
*** xref:core/validation/error-code-resolution.adoc[]
*** xref:core/validation/beans-beans.adoc[]
*** xref:core/validation/conversion.adoc[]
*** xref:core/validation/convert.adoc[]
*** xref:core/validation/format.adoc[]
*** xref:core/validation/format-configuring-formatting-globaldatetimeformat.adoc[]
@@ -100,9 +99,9 @@
*** xref:core/aop-api/autoproxy.adoc[]
*** xref:core/aop-api/targetsource.adoc[]
*** xref:core/aop-api/extensibility.adoc[]
** xref:core/resilience.adoc[]
** xref:core/null-safety.adoc[]
** xref:core/databuffer-codec.adoc[]
** xref:core/spring-jcl.adoc[]
** xref:core/aot.adoc[]
** xref:core/appendix.adoc[]
*** xref:core/appendix/xsd-schemas.adoc[]
@@ -162,6 +161,7 @@
**** xref:web/webmvc/mvc-servlet/exceptionhandlers.adoc[]
**** xref:web/webmvc/mvc-servlet/viewresolver.adoc[]
**** xref:web/webmvc/mvc-servlet/localeresolver.adoc[]
**** xref:web/webmvc/mvc-servlet/themeresolver.adoc[]
**** xref:web/webmvc/mvc-servlet/multipart.adoc[]
**** xref:web/webmvc/mvc-servlet/logging.adoc[]
*** xref:web/webmvc/filters.adoc[]
@@ -197,10 +197,7 @@
*** xref:web/webmvc-functional.adoc[]
*** xref:web/webmvc/mvc-uri-building.adoc[]
*** xref:web/webmvc/mvc-ann-async.adoc[]
*** xref:web/webmvc/mvc-range.adoc[]
*** xref:web/webmvc/mvc-data-binding.adoc[]
*** xref:web/webmvc-cors.adoc[]
*** xref:web/webmvc-versioning.adoc[]
*** xref:web/webmvc/mvc-ann-rest-exceptions.adoc[]
*** xref:web/webmvc/mvc-security.adoc[]
*** xref:web/webmvc/mvc-caching.adoc[]
@@ -229,7 +226,6 @@
**** xref:web/webmvc/mvc-config/static-resources.adoc[]
**** xref:web/webmvc/mvc-config/default-servlet-handler.adoc[]
**** xref:web/webmvc/mvc-config/path-matching.adoc[]
**** xref:web/webmvc/mvc-config/api-version.adoc[]
**** xref:web/webmvc/mvc-config/advanced-java.adoc[]
**** xref:web/webmvc/mvc-config/advanced-xml.adoc[]
*** xref:web/webmvc/mvc-http2.adoc[]
@@ -262,6 +258,7 @@
**** xref:web/websocket/stomp/configuration-performance.adoc[]
**** xref:web/websocket/stomp/stats.adoc[]
**** xref:web/websocket/stomp/testing.adoc[]
** xref:web/integration.adoc[]
* xref:web-reactive.adoc[]
** xref:web/webflux.adoc[]
*** xref:web/webflux/new-framework.adoc[]
@@ -295,10 +292,7 @@
**** xref:web/webflux/controller/ann-advice.adoc[]
*** xref:web/webflux-functional.adoc[]
*** xref:web/webflux/uri-building.adoc[]
*** xref:web/webflux/range.adoc[]
*** xref:web/webflux/data-binding.adoc[]
*** xref:web/webflux-cors.adoc[]
*** xref:web/webflux-versioning.adoc[]
*** xref:web/webflux/ann-rest-exceptions.adoc[]
*** xref:web/webflux/security.adoc[]
*** xref:web/webflux/caching.adoc[]
@@ -315,7 +309,7 @@
*** xref:web/webflux-webclient/client-context.adoc[]
*** xref:web/webflux-webclient/client-synchronous.adoc[]
*** xref:web/webflux-webclient/client-testing.adoc[]
** xref:web/webflux-http-service-client.adoc[]
** xref:web/webflux-http-interface-client.adoc[]
** xref:web/webflux-websocket.adoc[]
** xref:web/webflux-test.adoc[]
** xref:rsocket.adoc[]
@@ -332,10 +326,9 @@
*** xref:testing/testcontext-framework/application-events.adoc[]
*** xref:testing/testcontext-framework/test-execution-events.adoc[]
*** xref:testing/testcontext-framework/ctx-management.adoc[]
**** xref:testing/testcontext-framework/ctx-management/javaconfig.adoc[]
**** xref:testing/testcontext-framework/ctx-management/xml.adoc[]
**** xref:testing/testcontext-framework/ctx-management/groovy.adoc[]
**** xref:testing/testcontext-framework/ctx-management/default-config.adoc[]
**** xref:testing/testcontext-framework/ctx-management/javaconfig.adoc[]
**** xref:testing/testcontext-framework/ctx-management/mixed-config.adoc[]
**** xref:testing/testcontext-framework/ctx-management/context-customizers.adoc[]
**** xref:testing/testcontext-framework/ctx-management/initializers.adoc[]
@@ -346,7 +339,6 @@
**** xref:testing/testcontext-framework/ctx-management/web.adoc[]
**** xref:testing/testcontext-framework/ctx-management/web-mocks.adoc[]
**** xref:testing/testcontext-framework/ctx-management/caching.adoc[]
**** xref:testing/testcontext-framework/ctx-management/context-pausing.adoc[]
**** xref:testing/testcontext-framework/ctx-management/failure-threshold.adoc[]
**** xref:testing/testcontext-framework/ctx-management/hierarchies.adoc[]
*** xref:testing/testcontext-framework/fixture-di.adoc[]
@@ -358,7 +350,6 @@
*** xref:testing/testcontext-framework/support-classes.adoc[]
*** xref:testing/testcontext-framework/aot.adoc[]
** xref:testing/webtestclient.adoc[]
** xref:testing/resttestclient.adoc[]
** xref:testing/mockmvc.adoc[]
*** xref:testing/mockmvc/overview.adoc[]
*** xref:testing/mockmvc/setup-options.adoc[]
@@ -442,8 +433,8 @@
*** xref:integration/cache/plug.adoc[]
*** xref:integration/cache/specific-config.adoc[]
** xref:integration/observability.adoc[]
** xref:integration/aot-cache.adoc[]
** xref:integration/checkpoint-restore.adoc[]
** xref:integration/cds.adoc[]
** xref:integration/appendix.adoc[]
* xref:languages.adoc[]
** xref:languages/kotlin.adoc[]
@@ -452,13 +443,14 @@
*** xref:languages/kotlin/null-safety.adoc[]
*** xref:languages/kotlin/classes-interfaces.adoc[]
*** xref:languages/kotlin/annotations.adoc[]
*** xref:languages/kotlin/bean-registration-dsl.adoc[]
*** xref:languages/kotlin/bean-definition-dsl.adoc[]
*** xref:languages/kotlin/web.adoc[]
*** xref:languages/kotlin/coroutines.adoc[]
*** xref:languages/kotlin/spring-projects-in.adoc[]
*** xref:languages/kotlin/getting-started.adoc[]
*** xref:languages/kotlin/resources.adoc[]
** xref:languages/groovy.adoc[]
** xref:languages/dynamic.adoc[]
* xref:appendix.adoc[]
* {spring-framework-docs-root}/{spring-version}/javadoc-api/[Java API,window=_blank, role=link-external]
* {spring-framework-api-kdoc}/[Kotlin API,window=_blank, role=link-external]
@@ -74,17 +74,6 @@ expressions used in XML bean definitions, `@Value`, etc.
| The mode to use when compiling expressions for the
xref:core/expressions/evaluation.adoc#expressions-compiler-configuration[Spring Expression Language].
| `spring.expression.maxBigPowerBits`
| The default maximum number of bits permitted in the result of a `BigDecimal` or
`BigInteger` power operation within a
xref:core/expressions/evaluation.adoc#expressions-parser-configuration[Spring Expression Language]
expression.
| `spring.expression.maxOperations`
| The default maximum number of operations permitted during
xref:core/expressions/evaluation.adoc#expressions-parser-configuration[Spring Expression Language]
expression evaluation.
| `spring.getenv.ignore`
| Instructs Spring to ignore operating system environment variables if a Spring
`Environment` property -- for example, a placeholder in a configuration String -- isn't
@@ -92,11 +81,6 @@ resolvable otherwise. See
{spring-framework-api}++/core/env/AbstractEnvironment.html#IGNORE_GETENV_PROPERTY_NAME++[`AbstractEnvironment`]
for details.
| `spring.http.response.flush.enabled`
| Configures the Spring MVC `ServletServerHttpResponse` to allow flushing on the `OutputStream`
returned by `ServletServerHttpResponse#getBody()`. By default, such flush calls are ignored and
only `ServletServerHttpResponse#flush()` will actually flush the response to the network.
| `spring.jdbc.getParameterType.ignore`
| Instructs Spring to ignore `java.sql.ParameterMetaData.getParameterType` completely.
See the note in xref:data-access/jdbc/advanced.adoc#jdbc-batch-list[Batch Operations with a List of Objects].
@@ -140,20 +124,11 @@ on a test class. See xref:testing/annotations/integration-junit-jupiter.adoc#int
| The maximum size of the context cache in the _Spring TestContext Framework_. See
xref:testing/testcontext-framework/ctx-management/caching.adoc[Context Caching].
| `spring.test.context.cache.pause`
| The pause mode for the context cache in the _Spring TestContext Framework_. See
xref:testing/testcontext-framework/ctx-management/context-pausing.adoc[Context Pausing].
| `spring.test.context.failure.threshold`
| The failure threshold for errors encountered while attempting to load an `ApplicationContext`
in the _Spring TestContext Framework_. See
xref:testing/testcontext-framework/ctx-management/failure-threshold.adoc[Context Failure Threshold].
| `spring.test.extension.context.scope`
| The default _extension context scope_ used by the `SpringExtension` in `@Nested` test
class hierarchies. See
xref:testing/annotations/integration-junit-jupiter.adoc#integration-testing-annotations-springextensionconfig[`@SpringExtensionConfig`].
| `spring.test.enclosing.configuration`
| The default _enclosing configuration inheritance mode_ to use if
`@NestedTestConfiguration` is not present on a test class. See
@@ -38,7 +38,7 @@ In common with most `FactoryBean` implementations provided with Spring, the
`ProxyFactoryBean` class is itself a JavaBean. Its properties are used to:
* Specify the target you want to proxy.
* Specify whether to use CGLIB (described later and see also <<aop-pfb-proxy-types,JDK- and CGLIB-based proxies>>).
* Specify whether to use CGLIB (described later and see also xref:core/aop-api/pfb.adoc#aop-pfb-proxy-types[JDK- and CGLIB-based proxies]).
Some key properties are inherited from `org.springframework.aop.framework.ProxyConfig`
(the superclass for all AOP proxy factories in Spring). These key properties include
@@ -46,7 +46,7 @@ the following:
* `proxyTargetClass`: `true` if the target class is to be proxied, rather than the
target class's interfaces. If this property value is set to `true`, then CGLIB proxies
are created (but see also <<aop-pfb-proxy-types,JDK- and CGLIB-based proxies>>).
are created (but see also xref:core/aop-api/pfb.adoc#aop-pfb-proxy-types[JDK- and CGLIB-based proxies]).
* `optimize`: Controls whether or not aggressive optimizations are applied to proxies
created through CGLIB. You should not blithely use this setting unless you fully
understand how the relevant AOP proxy handles optimization. This is currently used
@@ -64,7 +64,7 @@ the following:
Other properties specific to `ProxyFactoryBean` include the following:
* `proxyInterfaces`: An array of `String` interface names. If this is not supplied, a CGLIB
proxy for the target class is used (but see also <<aop-pfb-proxy-types,JDK- and CGLIB-based proxies>>).
proxy for the target class is used (but see also xref:core/aop-api/pfb.adoc#aop-pfb-proxy-types[JDK- and CGLIB-based proxies]).
* `interceptorNames`: A `String` array of `Advisor`, interceptor, or other advice names to
apply. Ordering is significant, on a first come-first served basis. That is to say
that the first interceptor in the list is the first to be able to intercept the
@@ -76,7 +76,7 @@ factories. You cannot mention bean references here, since doing so results in th
+
You can append an interceptor name with an asterisk (`*`). Doing so results in the
application of all advisor beans with names that start with the part before the asterisk
to be applied. You can find an example of using this feature in <<aop-global-advisors,Using "`Global`" Advisors>>.
to be applied. You can find an example of using this feature in xref:core/aop-api/pfb.adoc#aop-global-advisors[Using "`Global`" Advisors].
* singleton: Whether or not the factory should return a single object, no matter how
often the `getObject()` method is called. Several `FactoryBean` implementations offer
@@ -87,12 +87,14 @@ A crucial difference between Spring pooling and SLSB pooling is that Spring pool
be applied to any POJO. As with Spring in general, this service can be applied in a
non-invasive way.
Spring provides support for Commons Pool 2, which provides a
Spring provides support for Commons Pool 2.2, which provides a
fairly efficient pooling implementation. You need the `commons-pool` Jar on your
application's classpath to use this feature. You can also subclass
`org.springframework.aop.target.AbstractPoolingTargetSource` to support any other
pooling API.
NOTE: Commons Pool 1.5+ is also supported but is deprecated as of Spring Framework 4.2.
The following listing shows an example configuration:
[source,xml,indent=0,subs="verbatim,quotes"]
@@ -394,7 +394,7 @@ execution-only semantics. You only need to be aware of this difference if you co
`@AspectJ` aspects written for Spring and use `proceed` with arguments with the AspectJ
compiler and weaver. There is a way to write such aspects that is 100% compatible across
both Spring AOP and AspectJ, and this is discussed in the
<<aop-ataspectj-advice-proceeding-with-the-call,following section on advice parameters>>.
xref:core/aop/ataspectj/advice.adoc#aop-ataspectj-advice-proceeding-with-the-call[following section on advice parameters].
====
The value returned by the around advice is the return value seen by the caller of the
@@ -722,12 +722,12 @@ of determining parameter names, an exception will be thrown.
`AspectJAnnotationParameterNameDiscoverer` :: Uses parameter names that have been explicitly
specified by the user via the `argNames` attribute in the corresponding advice or
pointcut annotation. See <<aop-ataspectj-advice-params-names-explicit,Explicit Argument Names>> for details.
pointcut annotation. See xref:core/aop/ataspectj/advice.adoc#aop-ataspectj-advice-params-names-explicit[Explicit Argument Names] for details.
`KotlinReflectionParameterNameDiscoverer` :: Uses Kotlin reflection APIs to determine
parameter names. This discoverer is only used if such APIs are present on the classpath.
`StandardReflectionParameterNameDiscoverer` :: Uses the standard `java.lang.reflect.Parameter`
API to determine parameter names. Requires that code be compiled with the `-parameters`
flag for `javac`. Recommended approach.
flag for `javac`. Recommended approach on Java 8+.
`AspectJAdviceParameterNameDiscoverer` :: Deduces parameter names from the pointcut
expression, `returning`, and `throwing` clauses. See the
{spring-framework-api}/aop/aspectj/AspectJAdviceParameterNameDiscoverer.html[javadoc]
@@ -104,7 +104,7 @@ Note that pointcut definitions are generally matched against any intercepted met
If a pointcut is strictly meant to be public-only, even in a CGLIB proxy scenario with
potential non-public interactions through proxies, it needs to be defined accordingly.
If your interception needs to include method calls or even constructors within the target
If your interception needs include method calls or even constructors within the target
class, consider the use of Spring-driven xref:core/aop/using-aspectj.adoc#aop-aj-ltw[native AspectJ weaving] instead
of Spring's proxy-based AOP framework. This constitutes a different mode of AOP usage
with different characteristics, so be sure to make yourself familiar with weaving
@@ -28,10 +28,6 @@ you can do so. However, you should consider the following issues:
deploying on the module path. Such cases require a JVM bootstrap flag
`--add-opens=java.base/java.lang=ALL-UNNAMED` which is not available for modules.
[[aop-forcing-proxy-types]]
== Forcing Specific AOP Proxy Types
To force the use of CGLIB proxies, set the value of the `proxy-target-class` attribute
of the `<aop:config>` element to true, as follows:
@@ -64,24 +60,6 @@ To be clear, using `proxy-target-class="true"` on `<tx:annotation-driven/>`,
proxies _for all three of them_.
====
`@EnableAspectJAutoProxy`, `@EnableTransactionManagement` and related configuration
annotations offer a corresponding `proxyTargetClass` attribute. These are collapsed
into a single unified auto-proxy creator too, effectively applying the _strongest_
proxy settings at runtime. As of 7.0, this applies to individual proxy processors
as well, for example `@EnableAsync`, consistently participating in unified global
default settings for all auto-proxying attempts in a given application.
The global default proxy type may differ between setups. While the core framework
suggests interface-based proxies by default, Spring Boot may - depending on
configuration properties - enable class-based proxies by default.
As of 7.0, forcing a specific proxy type for individual beans is possible through
the `@Proxyable` annotation on a given `@Bean` method or `@Component` class, with
`@Proxyable(INTERFACES)` or `@Proxyable(TARGET_CLASS)` overriding any globally
configured default. For very specific purposes, you may even specify the proxy
interface(s) to use through `@Proxyable(interfaces=...)`, limiting the exposure
to selected interfaces rather than all interfaces that the target bean implements.
[[aop-understanding-aop-proxies]]
== Understanding AOP Proxies
@@ -10,7 +10,7 @@ of advice parameters.
To use the aop namespace tags described in this section, you need to import the
`spring-aop` schema, as described in xref:core/appendix/xsd-schemas.adoc[XML Schema-based configuration]
. See xref:core/appendix/xsd-schemas.adoc#xsd-schemas-aop[the AOP schema]
. See xref:core/appendix/xsd-schemas.adoc#aop[the AOP schema]
for how to import the tags in the `aop` namespace.
Within your Spring configurations, all aspect and advisor elements must be placed within
@@ -204,7 +204,7 @@ Before advice runs before a matched method execution. It is declared inside an
----
In the example above, `dataAccessOperation` is the `id` of a _named pointcut_ defined at
the top (`<aop:config>`) level (see <<aop-schema-pointcuts,Declaring a Pointcut>>).
the top (`<aop:config>`) level (see xref:core/aop/schema.adoc#aop-schema-pointcuts[Declaring a Pointcut]).
NOTE: As we noted in the discussion of the @AspectJ style, using _named pointcuts_ can
significantly improve the readability of your code. See xref:core/aop/ataspectj/pointcuts.adoc#aop-common-pointcuts[Sharing Named Pointcut Definitions] for
@@ -9,12 +9,12 @@ alone.
Spring ships with a small AspectJ aspect library, which is available stand-alone in your
distribution as `spring-aspects.jar`. You need to add this to your classpath in order
to use the aspects in it.
<<aop-atconfigurable,Using AspectJ to Dependency Inject Domain Objects with Spring>>
and <<aop-ajlib-other,Other Spring aspects for AspectJ>>
xref:core/aop/using-aspectj.adoc#aop-atconfigurable[Using AspectJ to Dependency Inject Domain Objects with Spring]
and xref:core/aop/using-aspectj.adoc#aop-ajlib-other[Other Spring aspects for AspectJ]
discuss the content of this library and how you can use it.
<<aop-aj-configure,Configuring AspectJ Aspects by Using Spring IoC>>
xref:core/aop/using-aspectj.adoc#aop-aj-configure[Configuring AspectJ Aspects by Using Spring IoC]
discusses how to dependency inject AspectJ aspects that are woven using the AspectJ compiler. Finally,
<<aop-aj-ltw,Load-time Weaving with AspectJ in the Spring Framework>>
xref:core/aop/using-aspectj.adoc#aop-aj-ltw[Load-time Weaving with AspectJ in the Spring Framework]
provides an introduction to load-time weaving for Spring applications that use AspectJ.
@@ -177,7 +177,7 @@ types in AspectJ
For this to work, the annotated types must be woven with the AspectJ weaver. You can
either use a build-time Ant or Maven task to do this (see, for example, the
{aspectj-docs-devguide}/antTasks.html[AspectJ Development
Environment Guide]) or load-time weaving (see <<aop-aj-ltw,Load-time Weaving with AspectJ in the Spring Framework>>). The
Environment Guide]) or load-time weaving (see xref:core/aop/using-aspectj.adoc#aop-aj-ltw[Load-time Weaving with AspectJ in the Spring Framework]). The
`AnnotationBeanConfigurerAspect` itself needs to be configured by Spring (in order to obtain
a reference to the bean factory that is to be used to configure new objects). You can define
the related configuration as follows:
@@ -376,7 +376,7 @@ per-`ClassLoader` basis, which is more fine-grained and which can make more
sense in a 'single-JVM-multiple-application' environment (such as is found in a typical
application server environment).
Further, <<aop-aj-ltw-environments,in certain environments>>, this support enables
Further, xref:core/aop/using-aspectj.adoc#aop-aj-ltw-environments[in certain environments], this support enables
load-time weaving without making any modifications to the application server's launch
script that is needed to add `-javaagent:path/to/aspectjweaver.jar` or (as we describe
later in this section) `-javaagent:path/to/spring-instrument.jar`. Developers configure
@@ -400,7 +400,7 @@ tool to that specific area immediately afterwards.
NOTE: The example presented here uses XML configuration. You can also configure and
use @AspectJ with xref:core/beans/java.adoc[Java configuration]. Specifically, you can use the
`@EnableLoadTimeWeaving` annotation as an alternative to `<context:load-time-weaver/>`
(see <<aop-aj-ltw-spring,below>> for details).
(see xref:core/aop/using-aspectj.adoc#aop-aj-ltw-spring[below] for details).
The following example shows the profiling aspect, which is not fancy.
It is a time-based profiler that uses the @AspectJ-style of aspect declaration:
@@ -719,7 +719,7 @@ for AspectJ LTW:
* `spring-aop.jar`
* `aspectjweaver.jar`
If you use the <<aop-aj-ltw-environments-generic,Spring-provided agent to enable instrumentation>>
If you use the xref:core/aop/using-aspectj.adoc#aop-aj-ltw-environments-generic[Spring-provided agent to enable instrumentation]
, you also need:
* `spring-instrument.jar`
@@ -836,7 +836,7 @@ containers.
Tomcat and JBoss/WildFly provide a general app `ClassLoader` that is capable of local
instrumentation. Spring's native LTW may leverage those ClassLoader implementations
to provide AspectJ weaving.
You can simply enable load-time weaving, as <<aop-using-aspectj,described earlier>>.
You can simply enable load-time weaving, as xref:core/aop/using-aspectj.adoc[described earlier].
Specifically, you do not need to modify the JVM launch script to add
`-javaagent:path/to/spring-instrument.jar`.
@@ -24,7 +24,7 @@ Applying such optimizations early implies the following restrictions:
* As we cannot rely on the instance, make sure that the bean type is as precise as
possible.
TIP: See also the <<aot.bestpractices>> section.
TIP: See also the xref:core/aot.adoc#aot.bestpractices[] section.
When these restrictions are in place, it becomes possible to perform ahead-of-time processing at build time and generate additional assets.
A Spring AOT processed application typically generates:
@@ -378,7 +378,7 @@ The container also supports creating a bean with {spring-framework-api}++/beans/
. The custom arguments require dynamic introspection of a matching constructor or factory method.
Those arguments cannot be detected by AOT, so the necessary reflection hints will have to be provided manually.
. Bypassing the instance supplier means that all other optimizations after creation are skipped as well.
. By-passing the instance supplier means that all other optimizations after creation are skipped as well.
For instance, autowiring on fields and methods will be skipped as they are handled in the instance supplier.
Rather than having prototype-scoped beans created with custom arguments, we recommend a manual factory pattern where a bean is responsible for the creation of the instance.
@@ -19,6 +19,10 @@ its behavior changes.
| Initialization of `SmartInitializingSingleton` beans.
| `beanName` the name of the bean.
| `spring.context.annotated-bean-reader.create`
| Creation of the `AnnotatedBeanDefinitionReader`.
|
| `spring.context.base-packages.scan`
| Scanning of base packages.
| `packages` array of base packages for scanning.
@@ -14,11 +14,11 @@ Spring distribution, you should first read the previous section on xref:core/app
To create new XML configuration extensions:
. <<xsd-custom-schema,Author>> an XML schema to describe your custom element(s).
. <<xsd-custom-namespacehandler,Code>> a custom `NamespaceHandler` implementation.
. <<xsd-custom-parser,Code>> one or more `BeanDefinitionParser` implementations
. xref:core/appendix/xml-custom.adoc#core.appendix.xsd-custom-schema[Author] an XML schema to describe your custom element(s).
. xref:core/appendix/xml-custom.adoc#core.appendix.xsd-custom-namespacehandler[Code] a custom `NamespaceHandler` implementation.
. xref:core/appendix/xml-custom.adoc#core.appendix.xsd-custom-parser[Code] one or more `BeanDefinitionParser` implementations
(this is where the real work is done).
. <<xsd-custom-registration,Register>> your new artifacts with Spring.
. xref:core/appendix/xml-custom.adoc#core.appendix.xsd-custom-registration[Register] your new artifacts with Spring.
For a unified example, we create an
XML extension (a custom XML element) that lets us configure objects of the type
@@ -553,7 +553,7 @@ Kotlin::
This works nicely, but it exposes a lot of Spring plumbing to the end user. What we are
going to do is write a custom extension that hides away all of this Spring plumbing.
If we stick to <<xsd-custom-introduction,the steps described previously>>, we start off
If we stick to xref:core/appendix/xml-custom.adoc#core.appendix.xsd-custom-introduction[the steps described previously], we start off
by creating the XSD schema to define the structure of our custom tag, as the following
listing shows:
@@ -580,7 +580,7 @@ listing shows:
</xsd:schema>
----
Again following <<xsd-custom-introduction,the process described earlier>>,
Again following xref:core/appendix/xml-custom.adoc#core.appendix.xsd-custom-introduction[the process described earlier],
we then create a custom `NamespaceHandler`:
[tabs]
@@ -151,17 +151,17 @@ injected into a `Set<MovieCatalog>` annotated with `@Qualifier("action")`.
[TIP]
====
Letting qualifier values select against target bean names, within the type-matching
candidates, does not require a `@Qualifier` annotation at the injection point. If there
is no other resolution indicator (such as a qualifier, a primary marker, or a fallback
marker), for a non-unique dependency situation, Spring matches the injection point name
(that is, the field name or parameter name) against the target bean names and chooses the
same-named candidate, if any (either by bean name or by associated alias).
candidates, does not require a `@Qualifier` annotation at the injection point.
If there is no other resolution indicator (such as a qualifier or a primary marker),
for a non-unique dependency situation, Spring matches the injection point name
(that is, the field name or parameter name) against the target bean names and chooses
the same-named candidate, if any (either by bean name or by associated alias).
Since version 6.1, this requires the `-parameters` Java compiler flag to be present. As
of 6.2, the container applies fast shortcut resolution for bean name matches, bypassing
the full type matching algorithm when the parameter name matches the bean name and no
type, qualifier, primary, or fallback conditions override the match. It is therefore
recommendable for your parameter names to match the target bean names.
Since version 6.1, this requires the `-parameters` Java compiler flag to be present.
As of 6.2, the container applies fast shortcut resolution for bean name matches,
bypassing the full type matching algorithm when the parameter name matches the
bean name and no type, qualifier or primary conditions override the match. It is
therefore recommendable for your parameter names to match the target bean names.
====
As an alternative for injection by name, consider the JSR-250 `@Resource` annotation
@@ -274,7 +274,7 @@ Kotlin::
Next, you can provide the information for the candidate bean definitions. You can add
`<qualifier/>` tags as sub-elements of the `<bean/>` tag and then specify the `type` and
`value` to match your custom qualifier annotations. The type is matched against the
fully-qualified class name of the annotation. Alternatively, as a convenience if no risk of
fully-qualified class name of the annotation. Alternately, as a convenience if no risk of
conflicting names exists, you can use the short class name. The following example
demonstrates both approaches:
@@ -37,18 +37,18 @@ Kotlin::
----
======
[TIP]
[NOTE]
====
An `@Autowired` annotation on such a constructor is not necessary if the target bean
defines only one constructor. However, if several constructors are available and there is
no primary or default constructor, at least one of the constructors must be annotated
with `@Autowired` in order to instruct the container which one to use. See the discussion
on <<beans-autowired-annotation-constructor-resolution,constructor resolution>>
for details.
As of Spring Framework 4.3, an `@Autowired` annotation on such a constructor is no longer
necessary if the target bean defines only one constructor to begin with. However, if
several constructors are available and there is no primary/default constructor, at least
one of the constructors must be annotated with `@Autowired` in order to instruct the
container which one to use. See the discussion on
xref:core/beans/annotation-config/autowired.adoc#beans-autowired-annotation-constructor-resolution[constructor resolution] for details.
====
You can apply the `@Autowired` annotation to _traditional_ setter methods, as the
following example shows:
You can also apply the `@Autowired` annotation to _traditional_ setter methods,
as the following example shows:
[tabs]
======
@@ -84,8 +84,8 @@ Kotlin::
----
======
You can apply `@Autowired` to methods with arbitrary names and multiple arguments, as the
following example shows:
You can also apply the annotation to methods with arbitrary names and multiple
arguments, as the following example shows:
[tabs]
======
@@ -176,15 +176,14 @@ Kotlin::
====
Make sure that your target components (for example, `MovieCatalog` or `CustomerPreferenceDao`)
are consistently declared by the type that you use for your `@Autowired`-annotated
injection points. Otherwise, injection may fail due to a "no type match found" error at
runtime.
injection points. Otherwise, injection may fail due to a "no type match found" error at runtime.
For XML-defined beans or component classes found via classpath scanning, the container
usually knows the concrete type up front. However, for `@Bean` factory methods, you need
to make sure that the declared return type is sufficiently expressive. For components
that implement several interfaces or for components potentially referred to by their
implementation type, declare the most specific return type on your factory method (at
least as specific as required by the injection points referring to your bean).
implementation type, consider declaring the most specific return type on your factory
method (at least as specific as required by the injection points referring to your bean).
====
.[[beans-autowired-annotation-self-injection]]Self Injection
@@ -309,13 +308,12 @@ set of multiple matches for the specific bean type (as returned by the factory m
Note that the standard `jakarta.annotation.Priority` annotation is not available at the
`@Bean` level, since it cannot be declared on methods. Its semantics can be modeled
through `@Order` values in combination with `@Primary` or `@Fallback` on a single bean
for each type.
through `@Order` values in combination with `@Primary` on a single bean for each type.
====
Even typed `Map` instances can be autowired as long as the expected key type is `String`.
The map values are all beans of the expected type, and the keys are the corresponding
bean names, as the following example shows:
The map values contain all beans of the expected type, and the keys contain the
corresponding bean names, as the following example shows:
[tabs]
======
@@ -433,7 +431,7 @@ annotated constructor does not have to be public.
====
Alternatively, you can express the non-required nature of a particular dependency
through Java's `java.util.Optional`, as the following example shows:
through Java 8's `java.util.Optional`, as the following example shows:
[source,java,indent=0,subs="verbatim,quotes"]
----
@@ -447,8 +445,8 @@ through Java's `java.util.Optional`, as the following example shows:
----
You can also use a parameter-level `@Nullable` annotation (of any kind in any package --
for example, `org.jspecify.annotations.Nullable` from JSpecify) or just leverage Kotlin's
built-in null-safety support:
for example, `javax.annotation.Nullable` from JSR-305) or just leverage Kotlin built-in
null-safety support:
[tabs]
======
@@ -479,6 +477,13 @@ Kotlin::
----
======
[NOTE]
====
A type-level `@Nullable` annotation such as from JSpecify is not supported in Spring
Framework 6.2 yet. You need to upgrade to Spring Framework 7.0 where the framework
detects type-level annotations and consistently declares JSpecify in its own codebase.
====
You can also use `@Autowired` for interfaces that are well-known resolvable
dependencies: `BeanFactory`, `ApplicationContext`, `Environment`, `ResourceLoader`,
`ApplicationEventPublisher`, and `MessageSource`. These interfaces and their extended
@@ -523,6 +528,5 @@ class MovieRecommender {
The `@Autowired`, `@Inject`, `@Value`, and `@Resource` annotations are handled by Spring
`BeanPostProcessor` implementations. This means that you cannot apply these annotations
within your own `BeanPostProcessor` or `BeanFactoryPostProcessor` types (if any).
These types must be 'wired up' explicitly by using XML or a Spring `@Bean` method.
====
@@ -27,5 +27,4 @@ with the `CustomAutowireConfigurer`
When multiple beans qualify as autowire candidates, the determination of a "`primary`" is
as follows: If exactly one bean definition among the candidates has a `primary`
attribute set to `true`, it is selected. For annotation-based configuration, see
xref:core/beans/annotation-config/autowired-primary.adoc[Fine-tuning with `@Primary` or `@Fallback`].
attribute set to `true`, it is selected.
@@ -193,7 +193,7 @@ XML configuration file represents a logical layer or module in your architecture
You can use the `ClassPathXmlApplicationContext` constructor to load bean definitions from
XML fragments. This constructor takes multiple `Resource` locations, as was shown in the
<<beans-factory-xml,previous section>>. Alternatively,
xref:core/beans/basics.adoc#beans-factory-xml[previous section]. Alternatively,
use one or more occurrences of the `<import/>` element to load bean definitions from
another file or files. The following example shows how to do so:
@@ -202,17 +202,18 @@ another file or files. The following example shows how to do so:
<beans>
<import resource="services.xml"/>
<import resource="resources/messageSource.xml"/>
<import resource="/resources/themeSource.xml"/>
<bean id="bean1" class="..."/>
<bean id="bean2" class="..."/>
</beans>
----
In the preceding example, external bean definitions are loaded from the files
`services.xml` and `messageSource.xml`. All location paths are
In the preceding example, external bean definitions are loaded from three files:
`services.xml`, `messageSource.xml`, and `themeSource.xml`. All location paths are
relative to the definition file doing the importing, so `services.xml` must be in the
same directory or classpath location as the file doing the importing, while
`messageSource.xml` must be in a `resources` location below the
`messageSource.xml` and `themeSource.xml` must be in a `resources` location below the
location of the importing file. As you can see, a leading slash is ignored. However, given
that these paths are relative, it is better form not to use the slash at all. The
contents of the files being imported, including the top level `<beans/>` element, must
@@ -239,6 +240,40 @@ The namespace itself provides the import directive feature. Further
configuration features beyond plain bean definitions are available in a selection
of XML namespaces provided by Spring -- for example, the `context` and `util` namespaces.
[[beans-factory-groovy]]
=== The Groovy Bean Definition DSL
As a further example for externalized configuration metadata, bean definitions can also
be expressed in Spring's Groovy Bean Definition DSL, as known from the Grails framework.
Typically, such configuration live in a ".groovy" file with the structure shown in the
following example:
[source,groovy,indent=0,subs="verbatim,quotes"]
----
beans {
dataSource(BasicDataSource) {
driverClassName = "org.hsqldb.jdbcDriver"
url = "jdbc:hsqldb:mem:grailsDB"
username = "sa"
password = ""
settings = [mynew:"setting"]
}
sessionFactory(SessionFactory) {
dataSource = dataSource
}
myService(MyService) {
nestedBean = { AnotherBean bean ->
dataSource = dataSource
}
}
}
----
This configuration style is largely equivalent to XML bean definitions and even
supports Spring's XML configuration namespaces. It also allows for importing XML
bean definition files through an `importBeans` directive.
[[beans-factory-client]]
== Using the Container
@@ -9,7 +9,7 @@ annotations. Even in those examples, however, the "base" bean definitions are ex
defined in the XML file, while the annotations drive only the dependency injection.
This section describes an option for implicitly detecting the candidate components by
scanning the classpath. Candidate components are classes that match against filter
scanning the classpath. Candidate components are classes that match against a filter
criteria and have a corresponding bean definition registered with the container.
This removes the need to use XML to perform bean registration. Instead, you can use
annotations (for example, `@Component`), AspectJ type expressions, or your own
@@ -52,7 +52,7 @@ supported as a marker for automatic exception translation in your persistence la
Many of the annotations provided by Spring can be used as meta-annotations in your
own code. A meta-annotation is an annotation that can be applied to another annotation.
For example, the `@Service` annotation mentioned <<beans-stereotype-annotations,earlier>>
For example, the `@Service` annotation mentioned xref:core/beans/classpath-scanning.adoc#beans-stereotype-annotations[earlier]
is meta-annotated with `@Component`, as the following example shows:
[tabs]
@@ -70,7 +70,7 @@ Java::
// ...
}
----
<1> The `@Component` meta-annotation causes `@Service` to be treated in the same way as `@Component`.
<1> The `@Component` causes `@Service` to be treated in the same way as `@Component`.
Kotlin::
+
@@ -85,7 +85,7 @@ Kotlin::
// ...
}
----
<1> The `@Component` meta-annotation causes `@Service` to be treated in the same way as `@Component`.
<1> The `@Component` causes `@Service` to be treated in the same way as `@Component`.
======
You can also combine meta-annotations to create "`composed annotations`". For example,
@@ -97,7 +97,7 @@ meta-annotations to allow customization. This can be particularly useful when yo
want to only expose a subset of the meta-annotation's attributes. For example, Spring's
`@SessionScope` annotation hard codes the scope name to `session` but still allows
customization of the `proxyMode`. The following listing shows the definition of the
`@SessionScope` annotation:
`SessionScope` annotation:
[tabs]
======
@@ -211,7 +211,7 @@ Java::
@Service
public class SimpleMovieLister {
private final MovieFinder movieFinder;
private MovieFinder movieFinder;
public SimpleMovieLister(MovieFinder movieFinder) {
this.movieFinder = movieFinder;
@@ -251,11 +251,11 @@ Kotlin::
----
======
To autodetect these classes and register the corresponding beans, you need to add
`@ComponentScan` to your `@Configuration` class, where the `basePackages` attribute is
configured with a common parent package for the two classes. Alternatively, you can
specify a comma-, semicolon-, or space-separated list that includes the parent package
of each class.
`@ComponentScan` to your `@Configuration` class, where the `basePackages` attribute
is a common parent package for the two classes. (Alternatively, you can specify a
comma- or semicolon- or space-separated list that includes the parent package of each class.)
[tabs]
======
@@ -282,10 +282,10 @@ Kotlin::
----
======
TIP: For brevity, the preceding example could have used the implicit `value` attribute of
the annotation instead: `@ComponentScan("org.example")`
NOTE: For brevity, the preceding example could have used the `value` attribute of the
annotation (that is, `@ComponentScan("org.example")`).
The following example uses XML configuration:
The following alternative uses XML:
[source,xml,indent=0,subs="verbatim,quotes"]
----
@@ -325,68 +325,16 @@ sure that they are 'opened' (that is, that they use an `opens` declaration inste
Furthermore, the `AutowiredAnnotationBeanPostProcessor` and
`CommonAnnotationBeanPostProcessor` are both implicitly included when you use the
`<context:component-scan>` element. That means that the two components are autodetected
and wired together -- all without any bean configuration metadata provided in XML.
component-scan element. That means that the two components are autodetected and
wired together -- all without any bean configuration metadata provided in XML.
NOTE: You can disable the registration of `AutowiredAnnotationBeanPostProcessor` and
`CommonAnnotationBeanPostProcessor` by including the `annotation-config` attribute
with a value of `false`.
[[beans-scanning-placeholders-and-patterns]]
=== Property Placeholders and Ant-style Patterns
The `basePackages` and `value` attributes in `@ComponentScan` support `${...}` property
placeholders which are resolved against the `Environment` as well as Ant-style package
patterns such as `"org.example.+++**+++"`.
In addition, multiple packages or patterns may be specified, either separately or within
a single String — for example, `{"org.example.config", "org.example.service.+++**+++"}`
or `"org.example.config, org.example.service.+++**+++"`.
The following example specifies the `app.scan.packages` property placeholder for the
implicit `value` attribute in `@ComponentScan`.
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan("${app.scan.packages}") // <1>
public class AppConfig {
// ...
}
----
<1> `app.scan.packages` property placeholder to be resolved against the `Environment`
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(["\${app.scan.packages}"]) // <1>
class AppConfig {
// ...
}
----
<1> `app.scan.packages` property placeholder to be resolved against the `Environment`
======
The following listing represents a properties file which defines the `app.scan.packages`
property. In the preceding example, it is assumed that this properties file has been
registered with the `Environment` for example, via `@PropertySource` or a similar
mechanism.
[source,properties,indent=0,subs="verbatim,quotes"]
----
app.scan.packages=org.example.config, org.example.service.**
----
[[beans-scanning-filters]]
=== Using Filters to Customize Scanning
== Using Filters to Customize Scanning
By default, classes annotated with `@Component`, `@Repository`, `@Service`, `@Controller`,
`@Configuration`, or a custom annotation that itself is annotated with `@Component` are
@@ -423,8 +371,8 @@ The following table describes the filtering options:
| A custom implementation of the `org.springframework.core.type.TypeFilter` interface.
|===
The following example shows `@ComponentScan` configuration that excludes all
`@Repository` annotations and includes "`Stub`" repositories instead:
The following example shows the configuration ignoring all `@Repository` annotations
and using "`stub`" repositories instead:
[tabs]
======
@@ -476,367 +424,6 @@ annotated or meta-annotated with `@Component`, `@Repository`, `@Service`, `@Cont
`@RestController`, or `@Configuration`.
[[beans-scanning-name-generator]]
=== Naming Autodetected Components
When a component is autodetected as part of the scanning process, its bean name is
generated by the `BeanNameGenerator` strategy known to that scanner.
By default, the `AnnotationBeanNameGenerator` is used. For Spring
<<beans-stereotype-annotations,stereotype annotations>>,
if you supply a name via the annotation's `value` attribute that name will be used as
the name in the corresponding bean definition. This convention also applies when the
`@jakarta.inject.Named` annotation is used instead of Spring stereotype annotations.
As of Spring Framework 6.1, the name of the annotation attribute that is used to specify
the bean name is no longer required to be `value`. Custom stereotype annotations can
declare an attribute with a different name (such as `name`) and annotate that attribute
with `@AliasFor(annotation = Component.class, attribute = "value")`. See the source code
declaration of `ControllerAdvice#name()` for a concrete example.
[WARNING]
====
As of Spring Framework 6.1, support for convention-based stereotype names is deprecated
and will be removed in a future version of the framework. Consequently, custom stereotype
annotations must use `@AliasFor` to declare an explicit alias for the `value` attribute
in `@Component`. See the source code declaration of `Repository#value()` and
`ControllerAdvice#name()` for concrete examples.
====
If an explicit bean name cannot be derived from such an annotation or for any other
detected component (such as those discovered by custom filters), the default bean name
generator returns the uncapitalized non-qualified class name. For example, if the
following component classes were detected, the names would be `myMovieLister` and
`movieFinderImpl`.
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Service("myMovieLister")
public class SimpleMovieLister {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Service("myMovieLister")
class SimpleMovieLister {
// ...
}
----
======
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Repository
public class MovieFinderImpl implements MovieFinder {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Repository
class MovieFinderImpl : MovieFinder {
// ...
}
----
======
If you do not want to rely on the default bean-naming strategy, you can provide a custom
bean-naming strategy. First, implement either the
{spring-framework-api}/beans/factory/support/BeanNameGenerator.html[`BeanNameGenerator`] or
{spring-framework-api}/context/annotation/ConfigurationBeanNameGenerator.html[`ConfigurationBeanNameGenerator`]
interface, and be sure to include a default no-arg constructor. Then, provide the fully
qualified class name when configuring the scanner, as the following examples show.
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = "org.example", nameGenerator = MyNameGenerator.class)
public class AppConfig {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = ["org.example"], nameGenerator = MyNameGenerator::class)
class AppConfig {
// ...
}
----
======
[source,xml,indent=0,subs="verbatim,quotes"]
----
<beans>
<context:component-scan base-package="org.example"
name-generator="org.example.MyNameGenerator" />
</beans>
----
[TIP]
====
If you run into naming conflicts due to multiple autodetected components having the same
non-qualified class name (for example, classes with identical names but residing in
different packages), you can configure a `BeanNameGenerator` that defaults to the
fully-qualified class name for the generated bean name. The
`FullyQualifiedAnnotationBeanNameGenerator` can be used for such purposes.
As of Spring Framework 7.0, if you encounter naming conflicts among `@Bean` methods in
`@Configuration` classes, you can alternatively configure a
`ConfigurationBeanNameGenerator` that generates unique bean names for `@Bean` methods.
The `FullyQualifiedConfigurationBeanNameGenerator` can be used to generate
fully-qualified default bean names for `@Bean` methods without an explicit `name`
attribute — for example, `com.example.MyConfig.myBean` for an `@Bean` method named
`myBean()` declared in `@Configuration` class `com.example.MyConfig`.
The `FullyQualifiedAnnotationBeanNameGenerator` and
`FullyQualifiedConfigurationBeanNameGenerator` both reside in the
`org.springframework.context.annotation` package.
====
As a general rule, consider specifying the name with the annotation whenever other
components may be making explicit references to it. On the other hand, the
auto-generated names are adequate whenever the container is responsible for wiring.
[[beans-scanning-scope-resolver]]
=== Providing a Scope for Autodetected Components
As with Spring-managed components in general, the default and most common scope for
autodetected components is `singleton`. However, sometimes you need a different scope
that can be specified by the `@Scope` annotation. You can provide the name of the
scope within the annotation, as the following example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Scope("prototype")
@Repository
public class MovieFinderImpl implements MovieFinder {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Scope("prototype")
@Repository
class MovieFinderImpl : MovieFinder {
// ...
}
----
======
NOTE: `@Scope` annotations are only introspected on the concrete bean class (for annotated
components) or the factory method (for `@Bean` methods). In contrast to XML bean
definitions, there is no notion of bean definition inheritance, and inheritance
hierarchies at the class level are irrelevant for metadata purposes.
For details on web-specific scopes such as "`request`" or "`session`" in a Spring context,
see xref:core/beans/factory-scopes.adoc#beans-factory-scopes-other[Request, Session, Application, and WebSocket Scopes].
As with the pre-built annotations for those scopes, you may also compose your own scoping
annotations by using Spring's meta-annotation approach: for example, a custom annotation
meta-annotated with `@Scope("prototype")`, possibly also declaring a custom scoped-proxy mode.
NOTE: To provide a custom strategy for scope resolution rather than relying on the
annotation-based approach, you can implement the
{spring-framework-api}/context/annotation/ScopeMetadataResolver.html[`ScopeMetadataResolver`]
interface. Be sure to include a default no-arg constructor. Then you can provide the
fully qualified class name when configuring the scanner, as the following example of both
an annotation and a bean definition shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = "org.example", scopeResolver = MyScopeResolver.class)
public class AppConfig {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = ["org.example"], scopeResolver = MyScopeResolver::class)
class AppConfig {
// ...
}
----
======
[source,xml,indent=0,subs="verbatim,quotes"]
----
<beans>
<context:component-scan base-package="org.example" scope-resolver="org.example.MyScopeResolver"/>
</beans>
----
When using certain non-singleton scopes, it may be necessary to generate proxies for the
scoped objects. The reasoning is described in
xref:core/beans/factory-scopes.adoc#beans-factory-scopes-other-injection[Scoped Beans as Dependencies].
For this purpose, a scoped-proxy attribute is available on the component-scan
element. The three possible values are: `no`, `interfaces`, and `targetClass`. For example,
the following configuration results in standard JDK dynamic proxies:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = "org.example", scopedProxy = ScopedProxyMode.INTERFACES)
public class AppConfig {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = ["org.example"], scopedProxy = ScopedProxyMode.INTERFACES)
class AppConfig {
// ...
}
----
======
[source,xml,indent=0,subs="verbatim,quotes"]
----
<beans>
<context:component-scan base-package="org.example" scoped-proxy="interfaces"/>
</beans>
----
[[beans-scanning-qualifiers]]
=== Providing Qualifier Metadata with Annotations
The `@Qualifier` annotation is discussed in
xref:core/beans/annotation-config/autowired-qualifiers.adoc[Fine-tuning Annotation-based Autowiring with Qualifiers].
The examples in that section demonstrate the use of the `@Qualifier` annotation and
custom qualifier annotations to provide fine-grained control when you resolve autowire
candidates. Because those examples were based on XML bean definitions, the qualifier
metadata was provided on the candidate bean definitions by using the `qualifier` or `meta`
child elements of the `bean` element in the XML. When relying upon classpath scanning for
auto-detection of components, you can provide the qualifier metadata with type-level
annotations on the candidate class. The following three examples demonstrate this
technique:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Component
@Qualifier("Action")
public class ActionMovieCatalog implements MovieCatalog {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Component
@Qualifier("Action")
class ActionMovieCatalog : MovieCatalog
----
======
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Component
@Genre("Action")
public class ActionMovieCatalog implements MovieCatalog {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Component
@Genre("Action")
class ActionMovieCatalog : MovieCatalog {
// ...
}
----
======
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Component
@Offline
public class CachingMovieCatalog implements MovieCatalog {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Component
@Offline
class CachingMovieCatalog : MovieCatalog {
// ...
}
----
======
NOTE: As with most annotation-based alternatives, keep in mind that the annotation metadata is
bound to the class definition itself, while the use of XML allows for multiple beans
of the same type to provide variations in their qualifier metadata, because that
metadata is provided per-instance rather than per-class.
[[beans-factorybeans-annotations]]
== Defining Bean Metadata within Components
@@ -1059,10 +646,10 @@ methods anywhere. However, regular `@Bean` methods in `@Configuration` classes n
to be overridable -- that is, they must not be declared as `private` or `final`.
`@Bean` methods are also discovered on base classes of a given component or
configuration class, as well as on Java default methods declared in interfaces
configuration class, as well as on Java 8 default methods declared in interfaces
implemented by the component or configuration class. This allows for a lot of
flexibility in composing complex configuration arrangements, with even multiple
inheritance being possible through Java default methods.
inheritance being possible through Java 8 default methods as of Spring 4.2.
Finally, a single class may hold multiple `@Bean` methods for the same
bean, as an arrangement of multiple factory methods to use depending on available
@@ -1071,3 +658,352 @@ constructor or factory method in other configuration scenarios: The variant with
the largest number of satisfiable dependencies is picked at construction time,
analogous to how the container selects between multiple `@Autowired` constructors.
====
[[beans-scanning-name-generator]]
== Naming Autodetected Components
When a component is autodetected as part of the scanning process, its bean name is
generated by the `BeanNameGenerator` strategy known to that scanner.
By default, the `AnnotationBeanNameGenerator` is used. For Spring
xref:core/beans/classpath-scanning.adoc#beans-stereotype-annotations[stereotype annotations],
if you supply a name via the annotation's `value` attribute that name will be used as
the name in the corresponding bean definition. This convention also applies when the
following JSR-250 and JSR-330 annotations are used instead of Spring stereotype
annotations: `@jakarta.annotation.ManagedBean`, `@javax.annotation.ManagedBean`,
`@jakarta.inject.Named`, and `@javax.inject.Named`.
As of Spring Framework 6.1, the name of the annotation attribute that is used to specify
the bean name is no longer required to be `value`. Custom stereotype annotations can
declare an attribute with a different name (such as `name`) and annotate that attribute
with `@AliasFor(annotation = Component.class, attribute = "value")`. See the source code
declaration of `ControllerAdvice#name()` for a concrete example.
[WARNING]
====
As of Spring Framework 6.1, support for convention-based stereotype names is deprecated
and will be removed in a future version of the framework. Consequently, custom stereotype
annotations must use `@AliasFor` to declare an explicit alias for the `value` attribute
in `@Component`. See the source code declaration of `Repository#value()` and
`ControllerAdvice#name()` for concrete examples.
====
If an explicit bean name cannot be derived from such an annotation or for any other
detected component (such as those discovered by custom filters), the default bean name
generator returns the uncapitalized non-qualified class name. For example, if the
following component classes were detected, the names would be `myMovieLister` and
`movieFinderImpl`.
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Service("myMovieLister")
public class SimpleMovieLister {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Service("myMovieLister")
class SimpleMovieLister {
// ...
}
----
======
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Repository
public class MovieFinderImpl implements MovieFinder {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Repository
class MovieFinderImpl : MovieFinder {
// ...
}
----
======
If you do not want to rely on the default bean-naming strategy, you can provide a custom
bean-naming strategy. First, implement the
{spring-framework-api}/beans/factory/support/BeanNameGenerator.html[`BeanNameGenerator`]
interface, and be sure to include a default no-arg constructor. Then, provide the fully
qualified class name when configuring the scanner, as the following example annotation
and bean definition show.
TIP: If you run into naming conflicts due to multiple autodetected components having the
same non-qualified class name (i.e., classes with identical names but residing in
different packages), you may need to configure a `BeanNameGenerator` that defaults to the
fully qualified class name for the generated bean name. The
`FullyQualifiedAnnotationBeanNameGenerator` located in package
`org.springframework.context.annotation` can be used for such purposes.
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = "org.example", nameGenerator = MyNameGenerator.class)
public class AppConfig {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = ["org.example"], nameGenerator = MyNameGenerator::class)
class AppConfig {
// ...
}
----
======
[source,xml,indent=0,subs="verbatim,quotes"]
----
<beans>
<context:component-scan base-package="org.example"
name-generator="org.example.MyNameGenerator" />
</beans>
----
As a general rule, consider specifying the name with the annotation whenever other
components may be making explicit references to it. On the other hand, the
auto-generated names are adequate whenever the container is responsible for wiring.
[[beans-scanning-scope-resolver]]
== Providing a Scope for Autodetected Components
As with Spring-managed components in general, the default and most common scope for
autodetected components is `singleton`. However, sometimes you need a different scope
that can be specified by the `@Scope` annotation. You can provide the name of the
scope within the annotation, as the following example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Scope("prototype")
@Repository
public class MovieFinderImpl implements MovieFinder {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Scope("prototype")
@Repository
class MovieFinderImpl : MovieFinder {
// ...
}
----
======
NOTE: `@Scope` annotations are only introspected on the concrete bean class (for annotated
components) or the factory method (for `@Bean` methods). In contrast to XML bean
definitions, there is no notion of bean definition inheritance, and inheritance
hierarchies at the class level are irrelevant for metadata purposes.
For details on web-specific scopes such as "`request`" or "`session`" in a Spring context,
see xref:core/beans/factory-scopes.adoc#beans-factory-scopes-other[Request, Session, Application, and WebSocket Scopes].
As with the pre-built annotations for those scopes, you may also compose your own scoping
annotations by using Spring's meta-annotation approach: for example, a custom annotation
meta-annotated with `@Scope("prototype")`, possibly also declaring a custom scoped-proxy mode.
NOTE: To provide a custom strategy for scope resolution rather than relying on the
annotation-based approach, you can implement the
{spring-framework-api}/context/annotation/ScopeMetadataResolver.html[`ScopeMetadataResolver`]
interface. Be sure to include a default no-arg constructor. Then you can provide the
fully qualified class name when configuring the scanner, as the following example of both
an annotation and a bean definition shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = "org.example", scopeResolver = MyScopeResolver.class)
public class AppConfig {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = ["org.example"], scopeResolver = MyScopeResolver::class)
class AppConfig {
// ...
}
----
======
[source,xml,indent=0,subs="verbatim,quotes"]
----
<beans>
<context:component-scan base-package="org.example" scope-resolver="org.example.MyScopeResolver"/>
</beans>
----
When using certain non-singleton scopes, it may be necessary to generate proxies for the
scoped objects. The reasoning is described in
xref:core/beans/factory-scopes.adoc#beans-factory-scopes-other-injection[Scoped Beans as Dependencies].
For this purpose, a scoped-proxy attribute is available on the component-scan
element. The three possible values are: `no`, `interfaces`, and `targetClass`. For example,
the following configuration results in standard JDK dynamic proxies:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = "org.example", scopedProxy = ScopedProxyMode.INTERFACES)
public class AppConfig {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = ["org.example"], scopedProxy = ScopedProxyMode.INTERFACES)
class AppConfig {
// ...
}
----
======
[source,xml,indent=0,subs="verbatim,quotes"]
----
<beans>
<context:component-scan base-package="org.example" scoped-proxy="interfaces"/>
</beans>
----
[[beans-scanning-qualifiers]]
== Providing Qualifier Metadata with Annotations
The `@Qualifier` annotation is discussed in
xref:core/beans/annotation-config/autowired-qualifiers.adoc[Fine-tuning Annotation-based Autowiring with Qualifiers].
The examples in that section demonstrate the use of the `@Qualifier` annotation and
custom qualifier annotations to provide fine-grained control when you resolve autowire
candidates. Because those examples were based on XML bean definitions, the qualifier
metadata was provided on the candidate bean definitions by using the `qualifier` or `meta`
child elements of the `bean` element in the XML. When relying upon classpath scanning for
auto-detection of components, you can provide the qualifier metadata with type-level
annotations on the candidate class. The following three examples demonstrate this
technique:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Component
@Qualifier("Action")
public class ActionMovieCatalog implements MovieCatalog {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Component
@Qualifier("Action")
class ActionMovieCatalog : MovieCatalog
----
======
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Component
@Genre("Action")
public class ActionMovieCatalog implements MovieCatalog {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Component
@Genre("Action")
class ActionMovieCatalog : MovieCatalog {
// ...
}
----
======
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
@Component
@Offline
public class CachingMovieCatalog implements MovieCatalog {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Component
@Offline
class CachingMovieCatalog : MovieCatalog {
// ...
}
----
======
NOTE: As with most annotation-based alternatives, keep in mind that the annotation metadata is
bound to the class definition itself, while the use of XML allows for multiple beans
of the same type to provide variations in their qualifier metadata, because that
metadata is provided per-instance rather than per-class.
@@ -282,7 +282,7 @@ class and the `ApplicationListener` interface. If a bean that implements the
Essentially, this is the standard Observer design pattern.
TIP: As of Spring 4.2, the event infrastructure has been significantly improved and offers
an <<context-functionality-events-annotation,annotation-based model>> as well as the
an xref:core/beans/context-introduction.adoc#context-functionality-events-annotation[annotation-based model] as well as the
ability to publish any arbitrary event (that is, an object that does not necessarily
extend from `ApplicationEvent`). When such an object is published, we wrap it in an
event for you.
@@ -575,7 +575,7 @@ Kotlin::
----
======
NOTE: Do not define such beans to be lazy as the `ApplicationContext` will honor that and will not register the method to listen to events.
NOTE: Do not define such beans to be lazy as the `ApplicationContext` will honour that and will not register the method to listen to events.
The method signature once again declares the event type to which it listens,
but, this time, with a flexible name and without implementing a specific listener interface.
@@ -698,7 +698,7 @@ Kotlin::
======
NOTE: This feature is not supported for
<<context-functionality-events-async,asynchronous listeners>>.
xref:core/beans/context-introduction.adoc#context-functionality-events-async[asynchronous listeners].
The `handleBlockedListEvent()` method publishes a new `ListUpdateEvent` for every
`BlockedListEvent` that it handles. If you need to publish several events, you can return
@@ -933,12 +933,13 @@ Java::
[source,java,indent=0,subs="verbatim,quotes"]
----
// create a startup step and start recording
try (StartupStep scanPackages = getApplicationStartup().start("spring.context.base-packages.scan")) {
// add tagging information to the current step
scanPackages.tag("packages", () -> Arrays.toString(basePackages));
// perform the actual phase we're instrumenting
this.scanner.scan(basePackages);
}
StartupStep scanPackages = getApplicationStartup().start("spring.context.base-packages.scan");
// add tagging information to the current step
scanPackages.tag("packages", () -> Arrays.toString(basePackages));
// perform the actual phase we're instrumenting
this.scanner.scan(basePackages);
// end the current step
scanPackages.end();
----
Kotlin::
@@ -946,12 +947,13 @@ Kotlin::
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
// create a startup step and start recording
try (val scanPackages = getApplicationStartup().start("spring.context.base-packages.scan")) {
// add tagging information to the current step
scanPackages.tag("packages", () -> Arrays.toString(basePackages));
// perform the actual phase we're instrumenting
this.scanner.scan(basePackages);
}
val scanPackages = getApplicationStartup().start("spring.context.base-packages.scan")
// add tagging information to the current step
scanPackages.tag("packages", () -> Arrays.toString(basePackages))
// perform the actual phase we're instrumenting
this.scanner.scan(basePackages)
// end the current step
scanPackages.end()
----
======
@@ -27,10 +27,10 @@ The following table describes these properties:
| Property| Explained in...
| Class
| <<beans-factory-class,Instantiating Beans>>
| xref:core/beans/definition.adoc#beans-factory-class[Instantiating Beans]
| Name
| <<beans-beanname,Naming Beans>>
| xref:core/beans/definition.adoc#beans-beanname[Naming Beans]
| Scope
| xref:core/beans/factory-scopes.adoc[Bean Scopes]
@@ -99,7 +99,7 @@ the `@Bean` factory method in favor of any pre-declared constructor on the bean
****
NOTE: We acknowledge that overriding beans in test scenarios is convenient, and there is
explicit support for this. Please refer to
explicit support for this as of Spring Framework 6.2. Please refer to
xref:testing/testcontext-framework/bean-overriding.adoc[this section] for more details.
@@ -205,7 +205,7 @@ If you use XML-based configuration metadata, you specify the type (or class) of
that is to be instantiated in the `class` attribute of the `<bean/>` element. This
`class` attribute (which, internally, is a `Class` property on a `BeanDefinition`
instance) is usually mandatory. (For exceptions, see
<<beans-factory-class-instance-factory-method,Instantiation by Using an Instance Factory Method>>
xref:core/beans/definition.adoc#beans-factory-class-instance-factory-method[Instantiation by Using an Instance Factory Method]
and xref:core/beans/child-bean-definitions.adoc[Bean Definition Inheritance].)
You can use the `Class` property in one of two ways:
@@ -344,7 +344,7 @@ overloads of the `mock` method. Choose the most specific variant of `mock` possi
[[beans-factory-class-instance-factory-method]]
=== Instantiation by Using an Instance Factory Method
Similar to instantiation through a <<beans-factory-class-static-factory-method,static factory method>>
Similar to instantiation through a xref:core/beans/definition.adoc#beans-factory-class-static-factory-method[static factory method]
, instantiation with an instance factory method invokes a non-static
method of an existing bean from the container to create a new bean. To use this
mechanism, leave the `class` attribute empty and, in the `factory-bean` attribute,
@@ -467,8 +467,8 @@ See xref:core/beans/dependencies/factory-properties-detailed.adoc[Dependencies a
NOTE: In Spring documentation, "factory bean" refers to a bean that is configured in the
Spring container and that creates objects through an
<<beans-factory-class-instance-factory-method,instance>> or
<<beans-factory-class-static-factory-method,static>> factory method. By contrast,
xref:core/beans/definition.adoc#beans-factory-class-instance-factory-method[instance] or
xref:core/beans/definition.adoc#beans-factory-class-static-factory-method[static] factory method. By contrast,
`FactoryBean` (notice the capitalization) refers to a Spring-specific
xref:core/beans/factory-extension.adoc#beans-factory-extension-factorybean[`FactoryBean`] implementation class.
@@ -91,7 +91,7 @@ In the latter scenario, you have several options:
* Abandon autowiring in favor of explicit wiring.
* Avoid autowiring for a bean definition by setting its `autowire-candidate` attributes
to `false`, as described in the
<<beans-factory-autowire-candidate,next section>>.
xref:core/beans/dependencies/factory-autowire.adoc#beans-factory-autowire-candidate[next section].
* Designate a single bean definition as the primary candidate by setting the
`primary` attribute of its `<bean/>` element to `true`.
* Implement the more fine-grained control available with annotation-based configuration,
@@ -17,8 +17,8 @@ to test, particularly when the dependencies are on interfaces or abstract base c
which allow for stub or mock implementations to be used in unit tests.
DI exists in two major variants:
<<beans-constructor-injection,Constructor-based dependency injection>>
and <<beans-setter-injection,Setter-based dependency injection>>.
xref:core/beans/dependencies/factory-collaborators.adoc#beans-constructor-injection[Constructor-based dependency injection]
and xref:core/beans/dependencies/factory-collaborators.adoc#beans-setter-injection[Setter-based dependency injection].
[[beans-constructor-injection]]
@@ -110,7 +110,7 @@ You can read more about the motivation for Method Injection in
Lookup method injection is the ability of the container to override methods on
container-managed beans and return the lookup result for another named bean in the
container. The lookup typically involves a prototype bean, as in the scenario described
in <<beans-factory-method-injection,the preceding section>>. The Spring Framework
in xref:core/beans/dependencies/factory-method-injection.adoc[the preceding section]. The Spring Framework
implements this method injection by using bytecode generation from the CGLIB library to
dynamically generate a subclass that overrides the method.
@@ -27,7 +27,7 @@ The following example shows various values being set:
</bean>
----
The following example uses the <<beans-p-namespace,p-namespace>> for even more succinct
The following example uses the xref:core/beans/dependencies/factory-properties-detailed.adoc#beans-p-namespace[p-namespace] for even more succinct
XML configuration:
[source,xml,indent=0,subs="verbatim,quotes"]
@@ -50,8 +50,9 @@ XML configuration:
The preceding XML is more succinct. However, typos are discovered at runtime rather than
design time, unless you use an IDE (such as https://www.jetbrains.com/idea/[IntelliJ
IDEA] or the {spring-site-tools}[Spring Tools]) that supports automatic property
completion when you create bean definitions. Such IDE assistance is highly recommended.
IDEA] or the {spring-site-tools}[Spring Tools for Eclipse])
that supports automatic property completion when you create bean definitions. Such IDE
assistance is highly recommended.
You can also configure a `java.util.Properties` instance, as follows:
@@ -84,11 +85,11 @@ element. The following example shows how to use it:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="collaborator" class="..." />
<bean id="theTargetBean" class="..."/>
<bean id="client" class="...">
<bean id="theClientBean" class="...">
<property name="targetName">
<idref bean="collaborator" />
<idref bean="theTargetBean"/>
</property>
</bean>
----
@@ -98,24 +99,28 @@ following snippet:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="collaborator" class="..." />
<bean id="theTargetBean" class="..." />
<bean id="client" class="...">
<property name="targetName" value="collaborator" />
<bean id="theClientBean" class="...">
<property name="targetName" ref="theTargetBean"/>
</bean>
----
The first form is preferable to the second, because using the `idref` tag lets the
container validate at deployment time that the referenced, named bean actually exists. In
the second variation, no validation is performed on the value that is passed to the
`targetName` property of the `client` bean. Typos are therefore only discovered (with most
container validate at deployment time that the referenced, named bean actually
exists. In the second variation, no validation is performed on the value that is passed
to the `targetName` property of the `client` bean. Typos are only discovered (with most
likely fatal results) when the `client` bean is actually instantiated. If the `client`
bean is a xref:core/beans/factory-scopes.adoc[prototype] bean, this typo and the resulting
exception may only be discovered long after the container is deployed.
bean is a xref:core/beans/factory-scopes.adoc[prototype] bean, this typo and the resulting exception
may only be discovered long after the container is deployed.
NOTE: A common place (at least in versions earlier than Spring 2.0) where the `<idref/>`
element brings value is in the configuration of xref:core/aop-api/pfb.adoc#aop-pfb-1[AOP interceptors]
in a `ProxyFactoryBean` bean definition. Using `<idref/>` elements when you specify the
NOTE: The `local` attribute on the `idref` element is no longer supported in the 4.0 beans
XSD, since it does not provide value over a regular `bean` reference any more. Change
your existing `idref local` references to `idref bean` when upgrading to the 4.0 schema.
A common place (at least in versions earlier than Spring 2.0) where the `<idref/>` element
brings value is in the configuration of xref:core/aop-api/pfb.adoc#aop-pfb-1[AOP interceptors] in a
`ProxyFactoryBean` bean definition. Using `<idref/>` elements when you specify the
interceptor names prevents you from misspelling an interceptor ID.
@@ -539,7 +544,7 @@ three approaches at the same time.
== XML Shortcut with the c-namespace
Similar to the
<<beans-p-namespace,XML Shortcut with the p-namespace>>,
xref:core/beans/dependencies/factory-properties-detailed.adoc#beans-p-namespace[XML Shortcut with the p-namespace],
the c-namespace, introduced in Spring 3.1, allows inlined attributes for configuring
the constructor arguments rather then nested `constructor-arg` elements.
@@ -3,8 +3,8 @@
The {spring-framework-api}/core/env/Environment.html[`Environment`] interface
is an abstraction integrated in the container that models two key
aspects of the application environment: <<beans-definition-profiles,profiles>>
and <<beans-property-source-abstraction,properties>>.
aspects of the application environment: xref:core/beans/environment.adoc#beans-definition-profiles[profiles]
and xref:core/beans/environment.adoc#beans-property-source-abstraction[properties].
A profile is a named, logical group of bean definitions to be registered with the
container only if the given profile is active. Beans may be assigned to a profile
@@ -473,7 +473,7 @@ Kotlin::
In addition, you can also declaratively activate profiles through the
`spring.profiles.active` property, which may be specified through system environment
variables, JVM system properties, servlet context parameters in `web.xml`, or even as an
entry in JNDI (see <<beans-property-source-abstraction,`PropertySource` Abstraction>>). In integration tests, active
entry in JNDI (see xref:core/beans/environment.adoc#beans-property-source-abstraction[`PropertySource` Abstraction]). In integration tests, active
profiles can be declared by using the `@ActiveProfiles` annotation in the `spring-test`
module (see xref:testing/testcontext-framework/ctx-management/env-profiles.adoc[context configuration with environment profiles]
).
@@ -553,7 +553,7 @@ Kotlin::
----
======
If <<beans-definition-profiles-enable,no profile is active>>, the `dataSource` is
If xref:#beans-definition-profiles-enable[no profile is active], the `dataSource` is
created. You can see this as a way to provide a default definition for one or more
beans. If any profile is enabled, the default profile does not apply.
@@ -23,7 +23,7 @@ interface. If you write your own `BeanPostProcessor`, you should consider implem
the `Ordered` interface, too. For further details, see the javadoc of the
{spring-framework-api}/beans/factory/config/BeanPostProcessor.html[`BeanPostProcessor`]
and {spring-framework-api}/core/Ordered.html[`Ordered`] interfaces. See also the note on
<<beans-factory-programmatically-registering-beanpostprocessors,programmatic registration of `BeanPostProcessor` instances>>.
xref:core/beans/factory-extension.adoc#beans-factory-programmatically-registering-beanpostprocessors[programmatic registration of `BeanPostProcessor` instances].
[NOTE]
====
@@ -39,7 +39,7 @@ another container, even if both containers are part of the same hierarchy.
To change the actual bean definition (that is, the blueprint that defines the bean),
you instead need to use a `BeanFactoryPostProcessor`, as described in
<<beans-factory-extension-factory-postprocessors,Customizing Configuration Metadata with a `BeanFactoryPostProcessor`>>.
xref:core/beans/factory-extension.adoc#beans-factory-extension-factory-postprocessors[Customizing Configuration Metadata with a `BeanFactoryPostProcessor`].
====
The `org.springframework.beans.factory.config.BeanPostProcessor` interface consists of
@@ -67,13 +67,6 @@ interface, clearly indicating the post-processor nature of that bean. Otherwise,
Since a `BeanPostProcessor` needs to be instantiated early in order to apply to the
initialization of other beans in the context, this early type detection is critical.
Furthermore, when registering a `BeanPostProcessor` via an `@Bean` factory method,
declare the method as `static` and ideally with no dependencies. Doing so avoids eager
initialization of the configuration class and other beans, which would make them
ineligible for full post-processing (such as auto-proxying). See the
"BeanPostProcessor-returning `@Bean` methods" section in the
{spring-framework-api}/context/annotation/Bean.html[`@Bean`] javadoc for details.
[[beans-factory-programmatically-registering-beanpostprocessors]]
.Programmatically registering `BeanPostProcessor` instances
NOTE: While the recommended approach for `BeanPostProcessor` registration is through
@@ -87,7 +80,7 @@ of execution. Note also that `BeanPostProcessor` instances registered programmat
are always processed before those registered through auto-detection, regardless of any
explicit ordering.
.`BeanPostProcessor` instances and early initialization
.`BeanPostProcessor` instances and AOP auto-proxying
[NOTE]
====
Classes that implement the `BeanPostProcessor` interface are special and are treated
@@ -97,23 +90,17 @@ of the `ApplicationContext`. Next, all `BeanPostProcessor` instances are registe
in a sorted fashion and applied to all further beans in the container. Because AOP
auto-proxying is implemented as a `BeanPostProcessor` itself, neither `BeanPostProcessor`
instances nor the beans they directly reference are eligible for auto-proxying and,
thus, do not have aspects woven into them. More generally, any bean that is instantiated
during this early phase is not eligible for full post-processing by all
`BeanPostProcessor` instances.
thus, do not have aspects woven into them.
For any such bean, you should see a WARN-level log message similar to the following.
For any such bean, you should see an informational log message: `Bean someBean is not
eligible for getting processed by all BeanPostProcessor interfaces (for example: not
eligible for auto-proxying)`.
[quote]
Bean 'someBean' of type [org.example.SomeType] is not eligible for getting processed by
all BeanPostProcessors (for example: not eligible for auto-proxying).
To minimize the number of beans affected, register a `BeanPostProcessor` with a
`static` `@Bean` method that has no dependencies (see the note above). If you have
beans wired into your `BeanPostProcessor` by using autowiring or `@Resource` (which
may fall back to autowiring), Spring might access unexpected beans when searching
for type-matching dependency candidates and, therefore, make them ineligible for
auto-proxying or other kinds of bean post-processing. For example, if you have a
dependency annotated with `@Resource` where the field or setter name does not
If you have beans wired into your `BeanPostProcessor` by using autowiring or
`@Resource` (which may fall back to autowiring), Spring might access unexpected beans
when searching for type-matching dependency candidates and, therefore, make them
ineligible for auto-proxying or other kinds of bean post-processing. For example, if you
have a dependency annotated with `@Resource` where the field or setter name does not
directly correspond to the declared name of a bean and no name attribute is used,
Spring accesses other beans for matching them by type.
====
@@ -148,7 +135,7 @@ Java::
}
public Object postProcessAfterInitialization(Object bean, String beanName) {
System.out.println("Bean '" + beanName + "' created : " + bean);
System.out.println("Bean '" + beanName + "' created : " + bean.toString());
return bean;
}
}
@@ -177,48 +164,7 @@ Kotlin::
----
======
You can register the `InstantiationTracingBeanPostProcessor` with Java configuration
by using a `static` `@Bean` method (recommended to avoid eager initialization of the
configuration class and other beans):
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes",chomp="-packages"]
----
@Configuration
public class AppConfig {
@Bean
public static InstantiationTracingBeanPostProcessor instantiationTracingBeanPostProcessor() {
return new InstantiationTracingBeanPostProcessor();
}
// ... other bean definitions
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes",chomp="-packages"]
----
@Configuration
class AppConfig {
@Bean
companion object {
@JvmStatic
fun instantiationTracingBeanPostProcessor() = InstantiationTracingBeanPostProcessor()
}
// ... other bean definitions
}
----
======
Alternatively, the `InstantiationTracingBeanPostProcessor` can be registered via the
`bean` element with XML configuration:
The following `beans` element uses the `InstantiationTracingBeanPostProcessor`:
[source,xml,indent=0,subs="verbatim,quotes"]
----
@@ -246,9 +192,10 @@ Alternatively, the `InstantiationTracingBeanPostProcessor` can be registered via
----
Notice how the `InstantiationTracingBeanPostProcessor` is merely defined. It does not
even have a name, and, because it is a bean, it can be dependency-injected as with any
even have a name, and, because it is a bean, it can be dependency-injected as you would any
other bean. (The preceding configuration also defines a bean that is backed by a Groovy
script.)
script. The Spring dynamic language support is detailed in the chapter entitled
xref:languages/dynamic.adoc[Dynamic Language Support].)
The following Java application runs the preceding code and configuration:
@@ -329,7 +276,7 @@ and {spring-framework-api}/core/Ordered.html[`Ordered`] interfaces for more deta
If you want to change the actual bean instances (that is, the objects that are created
from the configuration metadata), then you instead need to use a `BeanPostProcessor`
(described earlier in
<<beans-factory-extension-bpp,Customizing Beans by Using a `BeanPostProcessor`>>).
xref:core/beans/factory-extension.adoc#beans-factory-extension-bpp[Customizing Beans by Using a `BeanPostProcessor`]).
While it is technically possible to work with bean instances within a `BeanFactoryPostProcessor`
(for example, by using `BeanFactory.getBean()`), doing so causes premature bean instantiation,
violating the standard container lifecycle. This may cause negative side effects, such as
@@ -354,23 +301,6 @@ implement the `BeanFactoryPostProcessor` interface. It uses these beans as bean
post-processors, at the appropriate time. You can deploy these post-processor beans as
you would any other bean.
When registering a `BeanFactoryPostProcessor` via an `@Bean` factory method in a
`@Configuration` class, declare the method as `static` to avoid lifecycle conflicts
with annotation processing (such as `@Autowired`, `@Value`, and `@PostConstruct`) in the
configuration class. See the "BeanFactoryPostProcessor-returning `@Bean` methods"
section in the {spring-framework-api}/context/annotation/Bean.html[`@Bean`] javadoc
for details and an example.
For any non-static `@Bean` factory method with a `BeanFactoryPostProcessor` return type,
you should see an INFO-level log message similar to the following.
[quote]
@Bean method MyConfig.myBfpp is non-static and returns an object assignable to Spring's
BeanFactoryPostProcessor interface. This will result in a failure to process annotations
such as @Autowired, @Resource, and @PostConstruct within the method's declaring
@Configuration class. Add the 'static' modifier to this method to avoid these container
lifecycle issues; see @Bean javadoc for complete details.
NOTE: As with ``BeanPostProcessor``s , you typically do not want to configure
``BeanFactoryPostProcessor``s for lazy initialization. If no other bean references a
`Bean(Factory)PostProcessor`, that post-processor will not get instantiated at all.
@@ -4,9 +4,9 @@
The Spring Framework provides a number of interfaces you can use to customize the nature
of a bean. This section groups them as follows:
* <<beans-factory-lifecycle,Lifecycle Callbacks>>
* <<beans-factory-aware,`ApplicationContextAware` and `BeanNameAware`>>
* <<aware-list,Other `Aware` Interfaces>>
* xref:core/beans/factory-nature.adoc#beans-factory-lifecycle[Lifecycle Callbacks]
* xref:core/beans/factory-nature.adoc#beans-factory-aware[`ApplicationContextAware` and `BeanNameAware`]
* xref:core/beans/factory-nature.adoc#aware-list[Other `Aware` Interfaces]
[[beans-factory-lifecycle]]
@@ -252,7 +252,7 @@ of a `<bean>` element a special `(inferred)` value, which instructs Spring to au
detect a public `close` or `shutdown` method on the bean class for a specific bean definition.
You can also set this special `(inferred)` value on the `default-destroy-method` attribute
of a `<beans>` element to apply this behavior to an entire set of bean definitions (see
<<beans-factory-lifecycle-default-init-destroy-methods,Default Initialization and Destroy Methods>>).
xref:core/beans/factory-nature.adoc#beans-factory-lifecycle-default-init-destroy-methods[Default Initialization and Destroy Methods]).
[NOTE]
====
@@ -276,7 +276,7 @@ callback method names on every bean. This means that you, as an application deve
can write your application classes and use an initialization callback called `init()`,
without having to configure an `init-method="init"` attribute with each bean definition.
The Spring IoC container calls that method when the bean is created (and in accordance
with the standard lifecycle callback contract <<beans-factory-lifecycle,described previously>>).
with the standard lifecycle callback contract xref:core/beans/factory-nature.adoc#beans-factory-lifecycle[described previously]).
This feature also enforces a consistent naming convention for initialization and
destroy method callbacks.
@@ -367,8 +367,8 @@ interacts directly with the raw target bean.
As of Spring 2.5, you have three options for controlling bean lifecycle behavior:
* The <<beans-factory-lifecycle-initializingbean,`InitializingBean`>> and
<<beans-factory-lifecycle-disposablebean,`DisposableBean`>> callback interfaces
* The xref:core/beans/factory-nature.adoc#beans-factory-lifecycle-initializingbean[`InitializingBean`] and
xref:core/beans/factory-nature.adoc#beans-factory-lifecycle-disposablebean[`DisposableBean`] callback interfaces
* Custom `init()` and `destroy()` methods
* The xref:core/beans/annotation-config/postconstruct-and-predestroy-annotations.adoc[`@PostConstruct` and `@PreDestroy` annotations]
. You can combine these mechanisms to control a given bean.
@@ -378,7 +378,7 @@ configured with a different method name, then each configured method is run in t
order listed after this note. However, if the same method name is configured -- for example,
`init()` for an initialization method -- for more than one of these lifecycle mechanisms,
that method is run once, as explained in the
<<beans-factory-lifecycle-default-init-destroy-methods,preceding section>>.
xref:core/beans/factory-nature.adoc#beans-factory-lifecycle-default-init-destroy-methods[preceding section].
Multiple lifecycle mechanisms configured for the same bean, with different
initialization methods, are called as follows:
@@ -669,7 +669,7 @@ init-method.
[[aware-list]]
== Other `Aware` Interfaces
Besides `ApplicationContextAware` and `BeanNameAware` (discussed <<beans-factory-aware,earlier>>),
Besides `ApplicationContextAware` and `BeanNameAware` (discussed xref:core/beans/factory-nature.adoc#beans-factory-aware[earlier]),
Spring offers a wide range of `Aware` callback interfaces that let beans indicate to the container
that they require a certain infrastructure dependency. As a general rule, the name indicates the
dependency type. The following table summarizes the most important `Aware` interfaces:
@@ -681,7 +681,7 @@ dependency type. The following table summarizes the most important `Aware` inter
| `ApplicationContextAware`
| Declaring `ApplicationContext`.
| <<beans-factory-aware,`ApplicationContextAware` and `BeanNameAware`>>
| xref:core/beans/factory-nature.adoc#beans-factory-aware[`ApplicationContextAware` and `BeanNameAware`]
| `ApplicationEventPublisherAware`
| Event publisher of the enclosing `ApplicationContext`.
@@ -697,7 +697,7 @@ dependency type. The following table summarizes the most important `Aware` inter
| `BeanNameAware`
| Name of the declaring bean.
| <<beans-factory-aware,`ApplicationContextAware` and `BeanNameAware`>>
| xref:core/beans/factory-nature.adoc#beans-factory-aware[`ApplicationContextAware` and `BeanNameAware`]
| `LoadTimeWeaverAware`
| Defined weaver for processing class definition at load time.
@@ -14,7 +14,7 @@ through configuration instead of having to bake in the scope of an object at the
class level. Beans can be defined to be deployed in one of a number of scopes.
The Spring Framework supports six scopes, four of which are available only if
you use a web-aware `ApplicationContext`. You can also create
<<beans-factory-scopes-custom,a custom scope.>>
xref:core/beans/factory-scopes.adoc#beans-factory-scopes-custom[a custom scope.]
The following table describes the supported scopes:
@@ -24,23 +24,23 @@ The following table describes the supported scopes:
|===
| Scope| Description
| <<beans-factory-scopes-singleton,singleton>>
| xref:core/beans/factory-scopes.adoc#beans-factory-scopes-singleton[singleton]
| (Default) Scopes a single bean definition to a single object instance for each Spring IoC
container.
| <<beans-factory-scopes-prototype,prototype>>
| xref:core/beans/factory-scopes.adoc#beans-factory-scopes-prototype[prototype]
| Scopes a single bean definition to any number of object instances.
| <<beans-factory-scopes-request,request>>
| xref:core/beans/factory-scopes.adoc#beans-factory-scopes-request[request]
| Scopes a single bean definition to the lifecycle of a single HTTP request. That is,
each HTTP request has its own instance of a bean created off the back of a single bean
definition. Only valid in the context of a web-aware Spring `ApplicationContext`.
| <<beans-factory-scopes-session,session>>
| xref:core/beans/factory-scopes.adoc#beans-factory-scopes-session[session]
| Scopes a single bean definition to the lifecycle of an HTTP `Session`. Only valid in
the context of a web-aware Spring `ApplicationContext`.
| <<beans-factory-scopes-application,application>>
| xref:core/beans/factory-scopes.adoc#beans-factory-scopes-application[application]
| Scopes a single bean definition to the lifecycle of a `ServletContext`. Only valid in
the context of a web-aware Spring `ApplicationContext`.
@@ -53,7 +53,7 @@ NOTE: A thread scope is available but is not registered by default. For more inf
see the documentation for
{spring-framework-api}/context/support/SimpleThreadScope.html[`SimpleThreadScope`].
For instructions on how to register this or any other custom scope, see
<<beans-factory-scopes-custom-using,Using a Custom Scope>>.
xref:core/beans/factory-scopes.adoc#beans-factory-scopes-custom-using[Using a Custom Scope].
[[beans-factory-scopes-singleton]]
@@ -432,7 +432,7 @@ understand the "`why`" as well as the "`how`" behind it:
To create such a proxy, you insert a child `<aop:scoped-proxy/>` element into a
scoped bean definition (see
<<beans-factory-scopes-other-injection-proxies,Choosing the Type of Proxy to Create>>
xref:core/beans/factory-scopes.adoc#beans-factory-scopes-other-injection-proxies[Choosing the Type of Proxy to Create]
and xref:core/appendix/xsd-schemas.adoc[XML Schema-based configuration]).
Why do definitions of beans scoped at the `request`, `session` and custom-scope
@@ -4,10 +4,10 @@
`@Bean` is a method-level annotation and a direct analog of the XML `<bean/>` element.
The annotation supports some of the attributes offered by `<bean/>`, such as:
* xref:core/beans/definition.adoc#beans-beanname[name]
* xref:core/beans/factory-nature.adoc#beans-factory-lifecycle-initializingbean[init-method]
* xref:core/beans/factory-nature.adoc#beans-factory-lifecycle-disposablebean[destroy-method]
* xref:core/beans/dependencies/factory-autowire.adoc[autowiring]
* `name`.
You can use the `@Bean` annotation in a `@Configuration`-annotated or in a
`@Component`-annotated class.
@@ -17,10 +17,9 @@ You can use the `@Bean` annotation in a `@Configuration`-annotated or in a
== Declaring a Bean
To declare a bean, you can annotate a method with the `@Bean` annotation. You use this
method to register a bean definition within an `ApplicationContext` of the type specified
by the method's return type. By default, the bean name is the same as the method name
(unless a different <<beans-java-customizing-bean-naming,bean name generator>> is
configured). The following example shows a `@Bean` method declaration:
method to register a bean definition within an `ApplicationContext` of the type
specified as the method's return value. By default, the bean name is the same as
the method name. The following example shows a `@Bean` method declaration:
[tabs]
======
@@ -127,7 +126,7 @@ Kotlin::
----
======
However, this limits the visibility for advanced type prediction to the specified
However, this limits the visibility for advance type prediction to the specified
interface type (`TransferService`). Then, with the full type (`TransferServiceImpl`)
known to the container only once the affected singleton bean has been instantiated.
Non-lazy singleton beans get instantiated according to their declaration order,
@@ -474,15 +473,8 @@ Kotlin::
== Customizing Bean Naming
By default, configuration classes use a `@Bean` method's name as the name of the
resulting bean. However, as of Spring Framework 7.0, you can change this default strategy
by configuring a custom
{spring-framework-api}/context/annotation/ConfigurationBeanNameGenerator.html[`ConfigurationBeanNameGenerator`]
when bootstrapping the context or configuring component scanning. For example,
{spring-framework-api}/context/annotation/FullyQualifiedConfigurationBeanNameGenerator.html[`FullyQualifiedConfigurationBeanNameGenerator`]
can be used to generate fully-qualified default bean names for `@Bean` methods without an
explicit `name` attribute. For individual `@Bean` methods, the default or
generator-derived name can be overridden with the `name` attribute, as the following
example shows:
resulting bean. This functionality can be overridden, however, with the `name` attribute,
as the following example shows:
[tabs]
======
@@ -513,7 +505,6 @@ Kotlin::
----
======
NOTE: `@Bean("myThing")` is equivalent to `@Bean(name = "myThing")`.
[[beans-java-bean-aliasing]]
== Bean Aliasing
@@ -327,8 +327,9 @@ Kotlin::
----
======
TIP: Note that there is no need to specify `@Autowired` if the target bean defines
only one constructor.
TIP: Constructor injection in `@Configuration` classes is only supported as of Spring
Framework 4.3. Note also that there is no need to specify `@Autowired` if the target
bean defines only one constructor.
[discrete]
[[beans-java-injecting-imported-beans-fq]]
@@ -338,11 +339,11 @@ In the preceding scenario, using `@Autowired` works well and provides the desire
modularity, but determining exactly where the autowired bean definitions are declared is
still somewhat ambiguous. For example, as a developer looking at `ServiceConfig`, how do
you know exactly where the `@Autowired AccountRepository` bean is declared? It is not
explicit in the code, and this may be just fine. Note that the
{spring-site-tools}[Spring Tools] IDE support provides tooling that can render graphs
showing how everything is wired, which may be all you need. Also, your Java IDE can
easily find all declarations and uses of the `AccountRepository` type and quickly show
you the location of `@Bean` methods that return that type.
explicit in the code, and this may be just fine. Remember that the
{spring-site-tools}[Spring Tools for Eclipse] provides tooling that
can render graphs showing how everything is wired, which may be all you need. Also,
your Java IDE can easily find all declarations and uses of the `AccountRepository` type
and quickly show you the location of `@Bean` methods that return that type.
In cases where this ambiguity is not acceptable and you wish to have direct navigation
from within your IDE from one `@Configuration` class to another, consider autowiring the
@@ -610,19 +611,6 @@ Kotlin::
See the {spring-framework-api}/context/annotation/Conditional.html[`@Conditional`]
javadoc for more detail.
[NOTE]
====
A `@Conditional` annotation declared on an enclosing `@Configuration` class is only
applied to the registration of a nested `@Configuration` class if the nested class is
reached through the parser's recursion from its enclosing class, or via `@Import`. If a
nested class is discovered independently of its enclosing class — for example, via
`@ComponentScan` or by directly registering it against the application context — it is
processed using only its own `@Conditional` annotations. Thus, if you wish to ensure that
the same `@Conditional` annotations apply in such scenarios, you must redeclare the
relevant annotations on the nested class, or extract them into a composed annotation
which you apply to both the enclosing class and the nested class.
====
[[beans-java-combining]]
== Combining Java and XML Configuration
@@ -1,25 +0,0 @@
[[beans-java-programmatic-registration]]
= Programmatic Bean Registration
As of Spring Framework 7, a first-class support for programmatic bean registration is
provided via the {spring-framework-api}/beans/factory/BeanRegistrar.html[`BeanRegistrar`]
interface that can be implemented to register beans programmatically in a flexible and
efficient way.
Those bean registrar implementations are typically imported with an `@Import` annotation
on `@Configuration` classes.
include-code::./MyConfiguration[tag=snippet,indent=0]
NOTE: You can leverage type-level conditional annotations ({spring-framework-api}/context/annotation/Conditional.html[`@Conditional`],
but also other variants) to conditionally import the related bean registrars.
The bean registrar implementation uses {spring-framework-api}/beans/factory/BeanRegistry.html[`BeanRegistry`] and
{spring-framework-api}/core/env/Environment.html[`Environment`] APIs to register beans programmatically in a concise
and flexible way. For example, it allows custom registration through an `if` expression, a
`for` loop, etc.
include-code::./MyBeanRegistrar[tag=snippet,indent=0]
NOTE: Bean registrars are supported with xref:core/aot.adoc[Ahead of Time Optimizations],
either on the JVM or with GraalVM native images, including when instance suppliers are used.
@@ -1,17 +1,16 @@
[[beans-standard-annotations]]
= Using JSR-330 Standard Annotations
= Using JSR 330 Standard Annotations
Spring offers support for JSR-330 standard _Dependency Injection_ annotations which are
available in the `jakarta.inject` package. These annotations may optionally be used as
alternatives to Spring annotations.
To use them, you need to have the relevant jar in your classpath. For example, the
`jakarta.inject` artifact is available in the standard Maven repository
(`https://repo.maven.apache.org/maven2/jakarta/inject/jakarta.inject-api/2.0.0/`),
Spring offers support for JSR-330 standard annotations (Dependency Injection). Those
annotations are scanned in the same way as the Spring annotations. To use them, you need
to have the relevant jars in your classpath.
[NOTE]
=====
If you use Maven, you can add the following dependency to your `pom.xml` file.
If you use Maven, the `jakarta.inject` artifact is available in the standard Maven
repository (
https://repo.maven.apache.org/maven2/jakarta/inject/jakarta.inject-api/2.0.0/[https://repo.maven.apache.org/maven2/jakarta/inject/jakarta.inject-api/2.0.0/]).
You can add the following dependency to your file pom.xml:
[source,xml,indent=0,subs="verbatim,quotes"]
----
@@ -27,14 +26,13 @@ If you use Maven, you can add the following dependency to your `pom.xml` file.
[[beans-inject-named]]
== Dependency Injection with `@Inject` and `@Named`
Instead of using `@Autowired` for dependency injection, you may optionally choose to use
`@jakarta.inject.Inject` as follows.
Instead of `@Autowired`, you can use `@jakarta.inject.Inject` as follows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,java,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject;
@@ -56,7 +54,7 @@ Java::
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject
@@ -74,19 +72,17 @@ Kotlin::
----
======
As with `@Autowired`, you can use `@Inject` at the field level, method level, and
constructor-argument level.
Furthermore, as an alternative to Spring's `ObjectProvider` mechanism, you may choose to
declare your injection point as a `jakarta.inject.Provider`, allowing for on-demand
access to beans of shorter scopes or lazy access to other beans through a
`Provider.get()` call. The following example offers a variant of the preceding example.
As with `@Autowired`, you can use `@Inject` at the field level, method level
and constructor-argument level. Furthermore, you may declare your injection point as a
`Provider`, allowing for on-demand access to beans of shorter scopes or lazy access to
other beans through a `Provider.get()` call. The following example offers a variant of the
preceding example:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,java,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject;
import jakarta.inject.Provider;
@@ -109,10 +105,9 @@ Java::
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject
import jakarta.inject.Provider
class SimpleMovieLister {
@@ -128,15 +123,14 @@ Kotlin::
----
======
If you would like to use a qualified name for the dependency that should be injected, you
may choose to use the `@Named` annotation as an alternative to Spring's `@Qualifier`
support, as the following example shows.
If you would like to use a qualified name for the dependency that should be injected,
you should use the `@Named` annotation, as the following example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,java,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject;
import jakarta.inject.Named;
@@ -156,7 +150,7 @@ Java::
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject
import jakarta.inject.Named
@@ -176,15 +170,12 @@ Kotlin::
======
As with `@Autowired`, `@Inject` can also be used with `java.util.Optional` or
`@Nullable`. This is even more applicable here, since `@Inject` does not have a
`required` attribute. The following examples show how to use `@Inject` with `Optional`,
`@Nullable`, and Kotlin's built-in support for nullable types.
`@Nullable`. This is even more applicable here, since `@Inject` does not have
a `required` attribute. The following pair of examples show how to use `@Inject` and
`@Nullable`:
[source,java,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,java,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject;
import java.util.Optional;
public class SimpleMovieLister {
@Inject
@@ -198,11 +189,8 @@ As with `@Autowired`, `@Inject` can also be used with `java.util.Optional` or
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,java,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject;
import org.jspecify.annotations.Nullable;
public class SimpleMovieLister {
@Inject
@@ -214,10 +202,8 @@ Java::
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject
class SimpleMovieLister {
@Inject
@@ -228,21 +214,21 @@ Kotlin::
[[beans-named]]
== `@Named`: Standard Equivalent to the `@Component` Annotation
== `@Named` and `@ManagedBean`: Standard Equivalents to the `@Component` Annotation
Instead of `@Component` or other Spring stereotype annotations, you may optionally choose
to use `@jakarta.inject.Named`, as the following example shows.
Instead of `@Component`, you can use `@jakarta.inject.Named` or `jakarta.annotation.ManagedBean`,
as the following example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,java,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject;
import jakarta.inject.Named;
@Named("movieListener")
@Named("movieListener") // @ManagedBean("movieListener") could be used as well
public class SimpleMovieLister {
private MovieFinder movieFinder;
@@ -258,12 +244,12 @@ Java::
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject
import jakarta.inject.Named
@Named("movieListener")
@Named("movieListener") // @ManagedBean("movieListener") could be used as well
class SimpleMovieLister {
@Inject
@@ -274,15 +260,14 @@ Kotlin::
----
======
It is very common to use `@Component` or other Spring stereotype annotations without
specifying an explicit name for the component, and `@Named` can be used in a similar
fashion, as the following example shows.
It is very common to use `@Component` without specifying a name for the component.
`@Named` can be used in a similar fashion, as the following example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,java,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject;
import jakarta.inject.Named;
@@ -303,7 +288,7 @@ Java::
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
import jakarta.inject.Inject
import jakarta.inject.Named
@@ -319,14 +304,14 @@ Kotlin::
----
======
When you use `@Named`, you can use component scanning in the exact same way as when you
use Spring annotations, as the following example shows.
When you use `@Named` or `@ManagedBean`, you can use component scanning in the
exact same way as when you use Spring annotations, as the following example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,java,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = "org.example")
@@ -337,7 +322,7 @@ Java::
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes",fold="-imports"]
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
@Configuration
@ComponentScan(basePackages = ["org.example"])
@@ -347,106 +332,55 @@ Kotlin::
----
======
NOTE: In contrast to `@Component`, the JSR-330 `@Named` annotation is not composable. You
should use Spring's stereotype model for building custom component annotations.
[TIP]
====
If you work with legacy systems that still use `@javax.inject.Named` or
`@javax.annotation.ManagedBean` for components (note the `javax` package namespace), you
can explicitly configure component scanning to include those annotation types, as shown
in the following example.
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes",fold="-imports"]
----
@Configuration
@ComponentScan(
basePackages = "org.example",
includeFilters = @Filter({
javax.inject.Named.class,
javax.annotation.ManagedBean.class
})
)
public class AppConfig {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes",fold="-imports"]
----
@Configuration
@ComponentScan(
basePackages = ["org.example"],
includeFilters = [Filter([
javax.inject.Named::class,
javax.annotation.ManagedBean::class
])]
)
class AppConfig {
// ...
}
----
======
In addition, if you would like for the `value` attributes in `@javax.inject.Named` and
`@javax.annotation.ManagedBean` to be used as component names, you need to override the
`isStereotypeWithNameValue(...)` method in `AnnotationBeanNameGenerator` to add explicit
support for `javax.annotation.ManagedBean` and `javax.inject.Named` and register your
custom `AnnotationBeanNameGenerator` via the `nameGenerator` attribute in
`@ComponentScan`.
====
NOTE: In contrast to `@Component`, the JSR-330 `@Named` and the JSR-250 `@ManagedBean`
annotations are not composable. You should use Spring's stereotype model for building
custom component annotations.
[[beans-standard-annotations-limitations]]
== Limitations of JSR-330 Standard Annotations
When you work with JSR-330 standard annotations, you should know that some significant
features are not available, as the following table shows.
When you work with standard annotations, you should know that some significant
features are not available, as the following table shows:
[[annotations-comparison]]
.Spring component model versus JSR-330 variants
.Spring component model elements versus JSR-330 variants
|===
| Spring | JSR-330 | JSR-330 restrictions / comments
| Spring| jakarta.inject.*| jakarta.inject restrictions / comments
| `@Autowired`
| `@Inject`
| `@Inject` has no `required` attribute. Can be used with Java's `Optional` instead.
| @Autowired
| @Inject
| `@Inject` has no 'required' attribute. Can be used with Java 8's `Optional` instead.
| `@Component`
| `@Named`
| @Component
| @Named / @ManagedBean
| JSR-330 does not provide a composable model, only a way to identify named components.
| `@Scope("singleton")`
| `@Singleton`
| @Scope("singleton")
| @Singleton
| The JSR-330 default scope is like Spring's `prototype`. However, in order to keep it
consistent with Spring's general defaults, a JSR-330 bean declared in the Spring
container is a `singleton` by default. In order to use a scope other than `singleton`,
you should use Spring's `@Scope` annotation. `jakarta.inject` also provides a
`jakarta.inject.Scope` annotation; however, this one is only intended to be used
`jakarta.inject.Scope` annotation: however, this one is only intended to be used
for creating custom annotations.
| `@Qualifier`
| `@Qualifier` / `@Named`
| @Qualifier
| @Qualifier / @Named
| `jakarta.inject.Qualifier` is just a meta-annotation for building custom qualifiers.
Concrete `String` qualifiers (like Spring's `@Qualifier` with a value) can be associated
through `jakarta.inject.Named`.
| `@Value`
| @Value
| -
| no equivalent
| `@Lazy`
| @Lazy
| -
| no equivalent
| `ObjectFactory`
| `Provider`
| ObjectFactory
| Provider
| `jakarta.inject.Provider` is a direct alternative to Spring's `ObjectFactory`,
only with a shorter `get()` method name. It can also be used in combination with
Spring's `@Autowired` or with non-annotated constructors and setter methods.
@@ -3,15 +3,15 @@
Java NIO provides `ByteBuffer` but many libraries build their own byte buffer API on top,
especially for network operations where reusing buffers and/or using direct buffers is
beneficial for performance. For example Netty has the `ByteBuf` hierarchy,
Jetty uses pooled byte buffers with a callback to be released, and so on.
beneficial for performance. For example Netty has the `ByteBuf` hierarchy, Undertow uses
XNIO, Jetty uses pooled byte buffers with a callback to be released, and so on.
The `spring-core` module provides a set of abstractions to work with various byte buffer
APIs as follows:
* <<databuffers-factory,`DataBufferFactory`>> abstracts the creation of a data buffer.
* <<databuffers-buffer,`DataBuffer`>> represents a byte buffer, which may be
<<databuffers-buffer-pooled,pooled>>.
* <<databuffers-utils,`DataBufferUtils`>> offers utility methods for data buffers.
* xref:core/databuffer-codec.adoc#databuffers-factory[`DataBufferFactory`] abstracts the creation of a data buffer.
* xref:core/databuffer-codec.adoc#databuffers-buffer[`DataBuffer`] represents a byte buffer, which may be
xref:core/databuffer-codec.adoc#databuffers-buffer-pooled[pooled].
* xref:core/databuffer-codec.adoc#databuffers-utils[`DataBufferUtils`] offers utility methods for data buffers.
* <<Codecs>> decode or encode data buffer streams into higher level objects.
@@ -41,7 +41,7 @@ Below is a partial list of benefits:
* Read and write with independent positions, i.e. not requiring a call to `flip()` to
alternate between read and write.
* Capacity expanded on demand as with `java.lang.StringBuilder`.
* Pooled buffers and reference counting via <<databuffers-buffer-pooled,`PooledDataBuffer`>>.
* Pooled buffers and reference counting via xref:core/databuffer-codec.adoc#databuffers-buffer-pooled[`PooledDataBuffer`].
* View a buffer as `java.nio.ByteBuffer`, `InputStream`, or `OutputStream`.
* Determine the index, or the last index, for a given byte.
@@ -101,7 +101,7 @@ xref:web/webflux/reactive-spring.adoc#webflux-codecs[Codecs] in the WebFlux sect
== Using `DataBuffer`
When working with data buffers, special care must be taken to ensure buffers are released
since they may be <<databuffers-buffer-pooled,pooled>>. We'll use codecs to illustrate
since they may be xref:core/databuffer-codec.adoc#databuffers-buffer-pooled[pooled]. We'll use codecs to illustrate
how that works but the concepts apply more generally. Let's see what codecs must do
internally to manage data buffers.
@@ -7,14 +7,14 @@ similar to the https://jakarta.ee/specifications/expression-language/[Jakarta Ex
Language] but offers additional features, most notably method invocation and basic string
templating functionality.
While there are several other Java expression languages available -- OGNL, MVEL, and
JBoss EL, to name a few -- the Spring Expression Language was created to provide the
Spring community with a single well supported expression language that can be used across
all the products in the Spring portfolio. Its language features are driven by the
requirements of the projects in the Spring portfolio, including tooling requirements for
code completion within the {spring-site-tools}[Spring Tools] IDE support. That said, SpEL
is based on a technology-agnostic API that lets other expression language implementations
be integrated, should the need arise.
While there are several other Java expression languages available -- OGNL, MVEL, and JBoss
EL, to name a few -- the Spring Expression Language was created to provide the Spring
community with a single well supported expression language that can be used across all
the products in the Spring portfolio. Its language features are driven by the
requirements of the projects in the Spring portfolio, including tooling requirements
for code completion support within the {spring-site-tools}[Spring Tools for Eclipse].
That said, SpEL is based on a technology-agnostic API that lets other expression language
implementations be integrated, should the need arise.
While SpEL serves as the foundation for expression evaluation within the Spring
portfolio, it is not directly tied to Spring and can be used independently. To
@@ -253,175 +253,6 @@ properties. Alternatively, configure custom accessors via
`SimpleEvaluationContext.forPropertyAccessors(...)`, potentially disable assignment, and
optionally activate method resolution and/or a type converter through the builder.
[[expressions-evaluation-context-security]]
=== Security Considerations
SpEL is a powerful expression language that can invoke constructors and methods, read and
write properties and fields, and reference beans all backed by reflection. Because of
this power, evaluating a SpEL expression obtained from an untrusted source is inherently
dangerous and should generally be avoided, since doing so can effectively grant that
source the ability to execute arbitrary code within the application, regardless of which
`EvaluationContext` implementation is used.
Throughout this section, a source of a SpEL expression is considered "trusted" only if it
is a developer of the application or an administrator responsible for configuring or
operating the application. Any other source of a SpEL expression must be treated as
untrusted for example, an expression supplied by an end user of the application or
received from an external system.
[WARNING]
====
`StandardEvaluationContext` exposes the complete SpEL language and must *never* be used
to evaluate an expression obtained from an untrusted source.
====
Although `SimpleEvaluationContext` restricts the SpEL language to a subset of its
features, that restriction is provided on a best-effort basis and does not guarantee that
expression evaluation is safe. Since an expression can potentially invoke any property,
method, or function reachable via the configured root object, property accessors, method
resolvers, variables, and functions, care must be taken if you choose to evaluate
expressions from an untrusted source. It is therefore the responsibility of the code that
configures an `EvaluationContext` for example, by supplying a root object or by
registering property accessors, resolvers, variables, or functions to ensure that none
of the objects reachable via the context expose operations that would be dangerous if
invoked by an expression from an untrusted source.
Furthermore, a property "getter" reachable from an expression is not necessarily a pure,
side-effect-free read operation. A JavaBean-style accessor (such as `getName()` or
`isActive()`) and a plain accessor method used to support data classes such as Java
records and Kotlin data classes (such as `name()`) are indistinguishable from a method
that performs an action and happens to return a value (that is, a method which is
*accessor-shaped*). For example, the `public boolean delete()` method in `java.io.File`
looks like a plain accessor method to SpEL. Specifically, neither
`ReflectivePropertyAccessor` nor `DataBindingPropertyAccessor` can determine whether such
a method is free of side effects. Moreover, restricting a `SimpleEvaluationContext` to
read-only data binding governs only whether *assignment* to a property is permitted: it
does not verify that reading a property is side-effect-free. When exposing a root object
or other reachable object to an untrusted expression, you must ensure that none of its
accessor-shaped methods perform an action that would be unsafe if triggered by that
expression.
[NOTE]
.What makes a method "accessor-shaped"?
====
A method is accessor-shaped if it is `public`, takes no arguments, and returns a value
the same shape that `ReflectivePropertyAccessor` and `DataBindingPropertyAccessor` look
for when resolving a property "getter" by name. That shape says nothing about whether
invoking the method is actually free of side effects. For example, the following methods
are all accessor-shaped, but only some of them are safe to invoke as a property read.
Side-effect-free (safe to expose as properties):
* `getName()` and `isActive()`: conventional JavaBean-style accessors.
* `name()` and `active()`: plain accessor methods used by data classes such as Java
records and Kotlin data classes.
Side-effecting (unsafe to expose as properties, despite the identical shape):
* `java.io.File#delete()`: deletes the underlying file and returns whether the deletion
succeeded.
* `java.util.Queue#poll()`: removes and returns the head element, mutating the queue.
* `java.util.concurrent.atomic.AtomicInteger#incrementAndGet()`: increments and returns
a counter, mutating it.
If an untrusted expression can reference `someFile.delete`, `someQueue.poll`, or
`someCounter.incrementAndGet` as a property, SpEL invokes the corresponding method just
as readily as it would invoke a genuine getter.
====
[[expressions-evaluation-context-object-design]]
=== Object Design
Similar to the design guidance for
xref:web/webmvc/mvc-data-binding.adoc#mvc-data-binding-design[web data binding], you
should carefully design any object that may be reached from a SpEL expression evaluated
against untrusted input. This applies not only to the root object supplied to an
`EvaluationContext` but also to every object that such an expression can navigate to from
that root object for example, an object returned by a property, a method, an index
operation, a variable, or a function.
When exposing an object to expressions from an untrusted source, consider the following
recommendations.
Use a dedicated type::
Prefer a dedicated type, designed specifically to be evaluated against untrusted
expressions, over passing an existing domain or infrastructure type "as is". A
dedicated type lets you control exactly which properties and methods are reachable from
an expression, rather than exposing the full surface area of a class such as a JPA
entity, `java.io.File`, or a JDBC `Connection` most of which were never designed with
SpEL evaluation in mind.
Prefer immutability::
An immutable type for example, a Java record or a Kotlin data class exposing only
`val` properties rules out property writes and eliminates any concern that a "getter"
might mutate state as a side effect, since there is no mutable state to affect.
Immutability does not, on its own, rule out an accessor-shaped method with an external
side effect (such as a network call or a file system operation), but it removes an
entire class of risk.
Limit scope::
Expose only the properties and methods that the expression is expected to use, and
nothing more. Because a `PropertyAccessor` cannot restrict access to specific
properties or methods on a per-expression basis, every accessor-shaped method reachable
on an exposed object is reachable by any expression that can reach that object
regardless of which property or method the application intended the expression to use.
Audit accessor-shaped methods::
Review every accessor-shaped method exposed by a type before making it reachable from
an untrusted expression, keeping the <<expressions-evaluation-context-security,
security considerations>> discussed above in mind. None of the reachable methods should
perform an action that would be unsafe if triggered by that expression.
[WARNING]
====
These recommendations apply transitively. If the root object exposes a property or method
that returns another object, and an untrusted expression can navigate to it (for example,
`rootObject.child.grandchild`), the nested object is just as reachable as the root object
itself and must meet the same design requirements. The same is true for an object reached
via indexing (for example, `rootObject.items[0]` or `rootObject.items['key']`): whatever
is returned by the index operation is just as reachable as any other nested object.
====
[[expressions-evaluation-context-lifecycle]]
=== Lifecycle and Reuse
For performance, the AST nodes that make up a parsed `Expression` may cache the specific
`PropertyAccessor`, `IndexAccessor`, `MethodExecutor`, or `ConstructorExecutor` that
satisfied a previous evaluation, so that later evaluations of the same node can avoid
asking every registered accessor or resolver in turn. Understanding this caching behavior
is essential to using `Expression` and `EvaluationContext` correctly, in addition to the
<<expressions-evaluation-context-security,security considerations>> discussed previously.
A parsed `Expression` is designed to be created once and evaluated repeatedly, and doing
so is both supported and encouraged. In particular:
* A parsed `Expression` may be evaluated against different root objects, and against
different `EvaluationContext` instances of the *same type and with equivalent
configuration* for example, several `StandardEvaluationContext` instances each
registering the same kind of custom `PropertyAccessor`. Changing the accessors or
resolvers registered with a context between evaluations of the same expression is
atypical and generally not advised, but is expected to work correctly: the registered
state of the *current* context is what is consulted, not a snapshot taken during an
earlier evaluation.
* A parsed `Expression` must *not* be evaluated first against a context with one set of
security implications and later against a context with different, typically more
restrictive, security implications for example, first against a
`StandardEvaluationContext` and later against a `SimpleEvaluationContext`. Doing so is
analogous to executing a database query on behalf of an administrator, caching the
resulting administrator-privileged execution plan, and then reusing that cached plan for
a lower-privileged user while expecting the lower-privileged user's restrictions to
apply: cached state from the first, more permissive evaluation may be reused during the
second, and the second context's restrictions cannot be reliably enforced as a result.
If the same expression string must be evaluated under contexts with different security
implications, parse it into *distinct* `Expression` instances, one per context.
[WARNING]
====
Reusing a single parsed `Expression` across `EvaluationContext` instances with different
security implications is not a supported usage pattern and must be avoided, regardless of
which `EvaluationContext` implementations are involved.
====
[[expressions-type-conversion]]
=== Type Conversion
@@ -488,23 +319,17 @@ Kotlin::
It is possible to configure the SpEL expression parser by using a parser configuration
object (`org.springframework.expression.spel.SpelParserConfiguration`). The configuration
object controls the behavior of some of the expression components. To create a
`SpelParserConfiguration` instance, favor `SpelParserConfiguration.builder()` over the
numerous constructors in `SpelParserConfiguration`, since the builder only requires
configuration of the properties that need to deviate from their sensible defaults --
or use `SpelParserConfiguration.withDefaults()` if none of those defaults need to be
overridden.
For example, if you index into a collection and the element at the specified index is
`null`, SpEL can automatically create the element. This is useful when using expressions
made up of a chain of property references. Similarly, if you index into a collection and
specify an index that is greater than the current size of the collection, SpEL can
automatically grow the collection to accommodate that index. In order to add an element
at the specified index, SpEL will try to create the element using the element type's
default constructor before setting the specified value. If the element type does not
have a default constructor, `null` will be added to the collection. If there is no
built-in converter or custom converter that knows how to set the value, `null` will
remain in the collection at the specified index. The following example demonstrates how to
object controls the behavior of some of the expression components. For example, if you
index into a collection and the element at the specified index is `null`, SpEL can
automatically create the element. This is useful when using expressions made up of a
chain of property references. Similarly, if you index into a collection and specify an
index that is greater than the current size of the collection, SpEL can automatically
grow the collection to accommodate that index. In order to add an element at the
specified index, SpEL will try to create the element using the element type's default
constructor before setting the specified value. If the element type does not have a
default constructor, `null` will be added to the collection. If there is no built-in
converter or custom converter that knows how to set the value, `null` will remain in the
collection at the specified index. The following example demonstrates how to
automatically grow a `List`.
[tabs]
@@ -517,10 +342,10 @@ Java::
public List<String> list;
}
SpelParserConfiguration config = SpelParserConfiguration.builder()
.autoGrowNullReferences()
.autoGrowCollections()
.build();
// Turn on:
// - auto null reference initialization
// - auto collection growing
SpelParserConfiguration config = new SpelParserConfiguration(true, true);
ExpressionParser parser = new SpelExpressionParser(config);
@@ -542,10 +367,10 @@ Kotlin::
var list: List<String>? = null
}
val config = SpelParserConfiguration.builder()
.autoGrowNullReferences()
.autoGrowCollections()
.build()
// Turn on:
// - auto null reference initialization
// - auto collection growing
val config = SpelParserConfiguration(true, true)
val parser = SpelExpressionParser(config)
@@ -562,8 +387,7 @@ Kotlin::
By default, a SpEL expression cannot contain more than 10,000 characters; however, the
`maxExpressionLength` is configurable. If you create a `SpelExpressionParser`
programmatically, you can specify a custom `maxExpressionLength` via
`SpelParserConfiguration.builder().maximumExpressionLength(...)` when creating the
programmatically, you can specify a custom `maxExpressionLength` when creating the
`SpelParserConfiguration` that you provide to the `SpelExpressionParser`. If you wish to
set the `maxExpressionLength` used for parsing SpEL expressions within an
`ApplicationContext` -- for example, in XML bean definitions, `@Value`, etc. -- you can
@@ -571,32 +395,6 @@ set a JVM system property or Spring property named `spring.context.expression.ma
to the maximum expression length needed by your application (see
xref:appendix.adoc#appendix-spring-properties[Supported Spring Properties]).
Similarly, the number of operations performed during the evaluation of a SpEL expression
cannot exceed 10,000 by default; however, the `maxOperations` value is configurable. If
you create a `SpelExpressionParser` programmatically (the recommend approach), you can
specify a custom `maxOperations` value via
`SpelParserConfiguration.builder().maximumOperations(...)` when creating the
`SpelParserConfiguration` that you provide to the `SpelExpressionParser`. If you are not
able to configure an explicit value for `maxOperations` via `SpelParserConfiguration`,
you can set a JVM system property or Spring property named
`spring.expression.maxOperations` to the maximum number of operations required by your
application (see xref:appendix.adoc#appendix-spring-properties[Supported Spring
Properties]).
In addition, the result of a `BigDecimal` or `BigInteger` power operation within a SpEL
expression cannot exceed 1,000,000 bits by default approximately equivalent to a
decimal number with 300,000 digits. Power operations involving large base values or large
exponents can be computationally expensive, and this limit ensures that evaluations
remain bounded; however, the `maximumBigPowerBits` value is configurable. If you create a
`SpelExpressionParser` programmatically (the recommended approach), you can specify a
custom `maximumBigPowerBits` value via
`SpelParserConfiguration.builder().maximumBigPowerBits(...)` when creating the
`SpelParserConfiguration` that you provide to the `SpelExpressionParser`. To remove this
limit entirely, pass `Integer.MAX_VALUE` as the `maximumBigPowerBits` value. If you are
not able to configure an explicit value for `maximumBigPowerBits` via
`SpelParserConfiguration`, you can set a JVM system property or Spring property named
`spring.expression.maxBigPowerBits` to the maximum result size in bits (see
xref:appendix.adoc#appendix-spring-properties[Supported Spring Properties]).
[[expressions-spel-compilation]]
== SpEL Compilation
@@ -635,9 +433,9 @@ only 3ms using the compiled version of the expression.
The compiler is not turned on by default, but you can turn it on in either of two
different ways. You can turn it on by using the parser configuration process
(<<expressions-parser-configuration,discussed earlier>>) or by using a Spring property
when SpEL usage is embedded inside another component. This section discusses both of
these options.
(xref:core/expressions/evaluation.adoc#expressions-parser-configuration[discussed
earlier]) or by using a Spring property when SpEL usage is embedded inside another
component. This section discusses both of these options.
The compiler can operate in one of three modes, which are captured in the
`org.springframework.expression.spel.SpelCompilerMode` enum. The modes are as follows.
@@ -679,10 +477,8 @@ Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
SpelParserConfiguration config = SpelParserConfiguration.builder()
.compilerMode(SpelCompilerMode.IMMEDIATE)
.compilerClassLoader(getClass().getClassLoader())
.build();
SpelParserConfiguration config = new SpelParserConfiguration(SpelCompilerMode.IMMEDIATE,
this.getClass().getClassLoader());
SpelExpressionParser parser = new SpelExpressionParser(config);
@@ -697,10 +493,8 @@ Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
val config = SpelParserConfiguration.builder()
.compilerMode(SpelCompilerMode.IMMEDIATE)
.compilerClassLoader(javaClass.classLoader)
.build()
val config = SpelParserConfiguration(SpelCompilerMode.IMMEDIATE,
this.javaClass.classLoader)
val parser = SpelExpressionParser(config)
@@ -737,7 +531,6 @@ following kinds of expressions cannot be compiled.
* Expressions relying on the conversion service
* Expressions using custom resolvers
* Expressions using overloaded operators
* Expressions using `Optional` with the null-safe or Elvis operator
* Expressions using array construction syntax
* Expressions using selection or projection
* Expressions using bean references
@@ -2,12 +2,4 @@
= Language Reference
:page-section-summary-toc: 1
Spring Expression Language (SpEL) expressions are composed of a sequence of tokens such
as literals, operators, method invocations, and so forth.
Whitespace can be used freely between tokens to format and improve the readability of
expressions. Specifically, the `\s` (space), `\t` (tab), `\r` (carriage return), and `\n`
(newline) characters are all valid separators between tokens. However, whitespace is
ignored by the expression parser unless it is part of a string literal.
The following sections describe the features and syntax of SpEL.
This section describes how the Spring Expression Language works.
@@ -1,19 +1,19 @@
[[expressions-operator-elvis]]
= The Elvis Operator
The Elvis operator (`?:`) is a shortening of the ternary operator syntax and is used in
the https://www.groovy-lang.org/operators.html#_elvis_operator[Groovy] language. With the
ternary operator syntax, you often have to repeat a variable twice, as the following Java
example shows:
The Elvis operator is a shortening of the ternary operator syntax and is used in the
https://www.groovy-lang.org/operators.html#_elvis_operator[Groovy] language.
With the ternary operator syntax, you usually have to repeat a variable twice, as the
following example shows:
[source,java,indent=0,subs="verbatim,quotes"]
[source,groovy,indent=0,subs="verbatim,quotes"]
----
String name = "Elvis Presley";
String displayName = (name != null ? name : "Unknown");
----
Instead, you can use the Elvis operator (named for the resemblance to Elvis' hair style).
The following example shows how to use the Elvis operator in a SpEL expression:
The following example shows how to use the Elvis operator:
[tabs]
======
@@ -23,7 +23,7 @@ Java::
----
ExpressionParser parser = new SpelExpressionParser();
String name = parser.parseExpression("name ?: 'Unknown'").getValue(new Inventor(), String.class);
String name = parser.parseExpression("name?:'Unknown'").getValue(new Inventor(), String.class);
System.out.println(name); // 'Unknown'
----
@@ -33,29 +33,14 @@ Kotlin::
----
val parser = SpelExpressionParser()
val name = parser.parseExpression("name ?: 'Unknown'").getValue(Inventor(), String::class.java)
val name = parser.parseExpression("name?:'Unknown'").getValue(Inventor(), String::class.java)
println(name) // 'Unknown'
----
======
[NOTE]
====
The SpEL Elvis operator also treats an _empty_ String like a `null` object. Thus, the
original Java example is only close to emulating the semantics of the operator: it would
need to use `name != null && !name.isEmpty()` as the predicate to be compatible with the
semantics of the SpEL Elvis operator.
====
[TIP]
====
As of Spring Framework 7.0, the SpEL Elvis operator supports `java.util.Optional` with
transparent unwrapping semantics.
For example, given the expression `A ?: B`, if `A` is `null` or an _empty_ `Optional`,
the expression evaluates to `B`. However, if `A` is a non-empty `Optional` the expression
evaluates to the object contained in the `Optional`, thereby effectively unwrapping the
`Optional` which correlates to `A.get()`.
====
NOTE: The SpEL Elvis operator also checks for _empty_ Strings in addition to `null` objects.
The original snippet is thus only close to emulating the semantics of the operator (it would need an
additional `!name.isEmpty()` check).
The following listing shows a more complex example:
@@ -69,11 +54,11 @@ Java::
EvaluationContext context = SimpleEvaluationContext.forReadOnlyDataBinding().build();
Inventor tesla = new Inventor("Nikola Tesla", "Serbian");
String name = parser.parseExpression("name ?: 'Elvis Presley'").getValue(context, tesla, String.class);
String name = parser.parseExpression("name?:'Elvis Presley'").getValue(context, tesla, String.class);
System.out.println(name); // Nikola Tesla
tesla.setName("");
name = parser.parseExpression("name ?: 'Elvis Presley'").getValue(context, tesla, String.class);
name = parser.parseExpression("name?:'Elvis Presley'").getValue(context, tesla, String.class);
System.out.println(name); // Elvis Presley
----
@@ -85,16 +70,16 @@ Kotlin::
val context = SimpleEvaluationContext.forReadOnlyDataBinding().build()
val tesla = Inventor("Nikola Tesla", "Serbian")
var name = parser.parseExpression("name ?: 'Elvis Presley'").getValue(context, tesla, String::class.java)
var name = parser.parseExpression("name?:'Elvis Presley'").getValue(context, tesla, String::class.java)
println(name) // Nikola Tesla
tesla.setName("")
name = parser.parseExpression("name ?: 'Elvis Presley'").getValue(context, tesla, String::class.java)
name = parser.parseExpression("name?:'Elvis Presley'").getValue(context, tesla, String::class.java)
println(name) // Elvis Presley
----
======
[TIP]
[NOTE]
=====
You can use the Elvis operator to apply default values in expressions. The following
example shows how to use the Elvis operator in a `@Value` expression:
@@ -104,6 +89,7 @@ example shows how to use the Elvis operator in a `@Value` expression:
@Value("#{systemProperties['pop3.port'] ?: 25}")
----
This will inject the value of the system property named `pop3.port` if it is defined or
`25` if the property is not defined.
This will inject a system property `pop3.port` if it is defined or 25 if not.
=====
@@ -252,6 +252,7 @@ Kotlin::
<1> Use "null-safe select first" operator on potentially null `members` list
======
The following example shows how to use the "null-safe select last" operator for
collections (`?.$`).
@@ -350,50 +351,6 @@ Kotlin::
<2> Use null-safe projection operator on null `members` list
======
[[expressions-operator-safe-navigation-optional]]
== Null-safe Operations on `Optional`
As of Spring Framework 7.0, null-safe operations are supported on instances of
`java.util.Optional` with transparent unwrapping semantics.
Specifically, when a null-safe operator is applied to an _empty_ `Optional`, it will be
treated as if the `Optional` were `null`, and the subsequent operation will evaluate to
`null`. However, if a null-safe operator is applied to a non-empty `Optional`, the
subsequent operation will be applied to the object contained in the `Optional`, thereby
effectively unwrapping the `Optional`.
For example, if `user` is of type `Optional<User>`, the expression `user?.name` will
evaluate to `null` if `user` is either `null` or an _empty_ `Optional` and will otherwise
evaluate to the `name` of the `user`, effectively `user.get().getName()` or
`user.get().name` for property or field access, respectively.
[NOTE]
====
Invocations of methods defined in the `Optional` API are still supported on an _empty_
`Optional`. For example, if `name` is of type `Optional<String>`, the expression
`name?.orElse('Unknown')` will evaluate to `"Unknown"` if `name` is an empty `Optional`
and will otherwise evaluate to the `String` contained in the `Optional` if `name` is a
non-empty `Optional`, effectively `name.get()`.
====
// NOTE: &#8288; is the Unicode Character 'WORD JOINER', which prevents undesired line wraps.
Similarly, if `names` is of type `Optional<List<String>>`, the expression
`names?.?&#8288;[#this.length > 5]` will evaluate to `null` if `names` is `null` or an _empty_
`Optional` and will otherwise evaluate to a sequence containing the names whose lengths
are greater than 5, effectively
`names.get().stream().filter(s -> s.length() > 5).toList()`.
The same semantics apply to all of the null-safe operators mentioned previously in this
chapter.
For further details and examples, consult the javadoc for the following operators.
* {spring-framework-api}/expression/spel/ast/PropertyOrFieldReference.html[`PropertyOrFieldReference`]
* {spring-framework-api}/expression/spel/ast/MethodReference.html[`MethodReference`]
* {spring-framework-api}/expression/spel/ast/Indexer.html[`Indexer`]
* {spring-framework-api}/expression/spel/ast/Selection.html[`Selection`]
* {spring-framework-api}/expression/spel/ast/Projection.html[`Projection`]
[[expressions-operator-safe-navigation-compound-expressions]]
== Null-safe Operations in Compound Expressions
@@ -3,12 +3,12 @@
The Spring Expression Language supports the following kinds of operators:
* <<expressions-operators-relational,Relational Operators>>
* <<expressions-operators-logical,Logical Operators>>
* <<expressions-operators-string,String Operators>>
* <<expressions-operators-mathematical,Mathematical Operators>>
* <<expressions-assignment,The Assignment Operator>>
* <<expressions-operators-overloaded,Overloaded Operators>>
* xref:core/expressions/language-ref/operators.adoc#expressions-operators-relational[Relational Operators]
* xref:core/expressions/language-ref/operators.adoc#expressions-operators-logical[Logical Operators]
* xref:core/expressions/language-ref/operators.adoc#expressions-operators-string[String Operators]
* xref:core/expressions/language-ref/operators.adoc#expressions-operators-mathematical[Mathematical Operators]
* xref:core/expressions/language-ref/operators.adoc#expressions-assignment[The Assignment Operator]
* xref:core/expressions/language-ref/operators.adoc#expressions-operators-overloaded[Overloaded Operators]
@@ -53,7 +53,7 @@ Kotlin::
val trueValue = parser.parseExpression("'black' < 'block'").getValue(Boolean::class.java)
// uses CustomValue:::compareTo
val trueValue = parser.parseExpression("new CustomValue(1) < new CustomValue(2)").getValue(Boolean::class.java)
val trueValue = parser.parseExpression("new CustomValue(1) < new CustomValue(2)").getValue(Boolean::class.java);
----
======
@@ -167,7 +167,7 @@ Kotlin::
[CAUTION]
====
The syntax for the `between` operator is `<input> between {<range_begin>, <range_end>}`,
which is effectively a shortcut for `<input> >= <range_begin> && <input> \<= <range_end>`.
which is effectively a shortcut for `<input> >= <range_begin> && <input> \<= <range_end>}`.
Consequently, `1 between {1, 5}` evaluates to `true`, while `1 between {5, 1}` evaluates
to `false`.
@@ -312,13 +312,13 @@ Kotlin::
// evaluates to 'a'
val ch = parser.parseExpression("'d' - 3")
.getValue(Char::class.java)
.getValue(Character::class.java);
// -- Repeat --
// evaluates to "abcabc"
val repeated = parser.parseExpression("'abc' * 2")
.getValue(String::class.java)
.getValue(String::class.java);
----
======
@@ -485,7 +485,7 @@ Kotlin::
// -- Operator precedence --
val minusTwentyOne = parser.parseExpression("1+2-3*8").getValue(Int::class.java) // -21
val minusTwentyOne = parser.parseExpression("1+2-3*8").getValue(Int::class.java) // -21
----
======
@@ -541,7 +541,32 @@ For example, if we want to overload the `ADD` operator to allow two lists to be
concatenated using the `+` sign, we can implement a custom `OperatorOverloader` as
follows.
include-code::./ListConcatenation[]
[source,java,indent=0,subs="verbatim,quotes"]
----
pubic class ListConcatenation implements OperatorOverloader {
@Override
public boolean overridesOperation(Operation operation, Object left, Object right) {
return (operation == Operation.ADD &&
left instanceof List && right instanceof List);
}
@Override
@SuppressWarnings("unchecked")
public Object operate(Operation operation, Object left, Object right) {
if (operation == Operation.ADD &&
left instanceof List list1 && right instanceof List list2) {
List result = new ArrayList(list1);
result.addAll(list2);
return result;
}
throw new UnsupportedOperationException(
"No overload for operation %s and operands [%s] and [%s]"
.formatted(operation, left, right));
}
}
----
If we register `ListConcatenation` as the `OperatorOverloader` in a
`StandardEvaluationContext`, we can then evaluate expressions like `{1, 2, 3} + {4, 5}`
@@ -564,8 +589,8 @@ Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
val context = StandardEvaluationContext()
context.operatorOverloader = ListConcatenation()
StandardEvaluationContext context = StandardEvaluationContext()
context.setOperatorOverloader(ListConcatenation())
// evaluates to a new list: [1, 2, 3, 4, 5]
parser.parseExpression("{1, 2, 3} + {2 + 2, 5}").getValue(context, List::class.java)
@@ -270,7 +270,7 @@ is applicable for typical implementations of indexed structures.
NOTE: `ReflectiveIndexAccessor` also implements `CompilableIndexAccessor` in order to
support xref:core/expressions/evaluation.adoc#expressions-spel-compilation[compilation]
to bytecode for read access. Note, however, that the configured read-method must be
invocable via a `public` class or `public` interface for compilation to succeed.
invokable via a `public` class or `public` interface for compilation to succeed.
The following code listings define a `Color` enum and `FruitMap` type that behaves like a
map but does not implement the `java.util.Map` interface. Thus, if you want to index into
@@ -6,7 +6,7 @@ are set by using the `setVariable()` method in `EvaluationContext` implementatio
[NOTE]
====
Variable names must begin with a letter (as defined below), an underscore, or a dollar
Variable names must be begin with a letter (as defined below), an underscore, or a dollar
sign.
Variable names must be composed of one or more of the following supported types of

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