Upgrade to Nullability Plugin 0.0.9

Closes gh-48638

module/spring-boot-batch-jdbc/src/test/java/org/springframework/boot/batch/jdbc/autoconfigure/domain/City.java

@@ -30,18 +30,23 @@ public class City implements Serializable {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String country;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	protected City() {

module/spring-boot-batch-jdbc/src/test/java/org/springframework/boot/batch/jdbc/autoconfigure/domain/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.batch.jdbc.autoconfigure.domain;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-cassandra-test/src/dockerTest/java/org/springframework/boot/test/autoconfigure/data/cassandra/ExampleEntity.java

@@ -29,8 +29,10 @@ import org.springframework.data.cassandra.core.mapping.Table;
 public class ExampleEntity {
 
 	@PrimaryKey
+	@SuppressWarnings("NullAway.Init")
 	private String id;
 
+	@SuppressWarnings("NullAway.Init")
 	private String description;
 
 	public String getId() {

module/spring-boot-data-cassandra-test/src/dockerTest/java/org/springframework/boot/test/autoconfigure/data/cassandra/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.test.autoconfigure.data.cassandra;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-cassandra/src/test/java/org/springframework/boot/data/cassandra/domain/city/City.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.data.cassandra.domain.city;
 
+import org.jspecify.annotations.Nullable;
+
 import org.springframework.data.cassandra.core.mapping.CassandraType;
 import org.springframework.data.cassandra.core.mapping.CassandraType.Name;
 import org.springframework.data.cassandra.core.mapping.Column;
@@ -27,21 +29,21 @@ public class City {
 
 	@PrimaryKey
 	@CassandraType(type = Name.BIGINT)
-	private Long id;
+	private @Nullable Long id;
 
 	@Column
-	private String name;
+	private @Nullable String name;
 
 	@Column
-	private String state;
+	private @Nullable String state;
 
 	@Column
-	private String country;
+	private @Nullable String country;
 
 	@Column
-	private String map;
+	private @Nullable String map;
 
-	public Long getId() {
+	public @Nullable Long getId() {
 		return this.id;
 	}
 
@@ -49,7 +51,7 @@ public class City {
 		this.id = id;
 	}
 
-	public String getName() {
+	public @Nullable String getName() {
 		return this.name;
 	}
 
@@ -57,7 +59,7 @@ public class City {
 		this.name = name;
 	}
 
-	public String getState() {
+	public @Nullable String getState() {
 		return this.state;
 	}
 
@@ -65,7 +67,7 @@ public class City {
 		this.state = state;
 	}
 
-	public String getCountry() {
+	public @Nullable String getCountry() {
 		return this.country;
 	}
 
@@ -73,7 +75,7 @@ public class City {
 		this.country = country;
 	}
 
-	public String getMap() {
+	public @Nullable String getMap() {
 		return this.map;
 	}
 

module/spring-boot-data-cassandra/src/test/java/org/springframework/boot/data/cassandra/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.cassandra.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-cassandra/src/test/java/org/springframework/boot/data/cassandra/domain/empty/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.cassandra.domain.empty;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-commons/src/test/java/org/springframework/boot/data/domain/city/City.java

@@ -16,12 +16,14 @@
 
 package org.springframework.boot.data.domain.city;
 
+import org.jspecify.annotations.Nullable;
+
 import org.springframework.data.annotation.Id;
 
 public class City {
 
 	@Id
-	private Long id;
+	private @Nullable Long id;
 
 	private String name;
 

module/spring-boot-data-commons/src/test/java/org/springframework/boot/data/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-couchbase/src/test/java/org/springframework/boot/data/couchbase/domain/city/City.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.data.couchbase.domain.city;
 
+import org.jspecify.annotations.Nullable;
+
 import org.springframework.data.annotation.Id;
 import org.springframework.data.couchbase.core.mapping.Document;
 import org.springframework.data.couchbase.core.mapping.Field;
@@ -24,9 +26,9 @@ import org.springframework.data.couchbase.core.mapping.Field;
 public class City {
 
 	@Id
-	private String id;
+	private @Nullable String id;
 
 	@Field
-	private String name;
+	private @Nullable String name;
 
 }

module/spring-boot-data-couchbase/src/test/java/org/springframework/boot/data/couchbase/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.couchbase.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-couchbase/src/test/java/org/springframework/boot/data/couchbase/domain/empty/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.couchbase.domain.empty;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-elasticsearch/src/dockerTest/java/org/springframework/boot/data/elasticsearch/domain/empty/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.elasticsearch.domain.empty;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-elasticsearch/src/test/java/org/springframework/boot/data/elasticsearch/domain/city/City.java

@@ -29,14 +29,19 @@ public class City implements Serializable {
 	private static final long serialVersionUID = 1L;
 
 	@Id
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
+	@SuppressWarnings("NullAway.Init")
 	private String country;
 
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	protected City() {

module/spring-boot-data-elasticsearch/src/test/java/org/springframework/boot/data/elasticsearch/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.elasticsearch.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-jdbc/src/test/java/org/springframework/boot/data/jdbc/domain/city/City.java

@@ -23,14 +23,19 @@ import org.springframework.data.relational.core.mapping.Table;
 public class City {
 
 	@Id
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
+	@SuppressWarnings("NullAway.Init")
 	private String country;
 
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	protected City() {

module/spring-boot-data-jdbc/src/test/java/org/springframework/boot/data/jdbc/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.jdbc.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-jdbc/src/test/java/org/springframework/boot/data/jdbc/domain/empty/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.jdbc.domain.empty;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-jpa/src/test/java/org/springframework/boot/data/jpa/autoconfigure/domain/city/City.java

@@ -30,18 +30,23 @@ public class City implements Serializable {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String country;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	protected City() {

module/spring-boot-data-jpa/src/test/java/org/springframework/boot/data/jpa/autoconfigure/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.jpa.autoconfigure.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-jpa/src/test/java/org/springframework/boot/data/jpa/autoconfigure/domain/country/Country.java

@@ -31,10 +31,12 @@ public class Country implements Serializable {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 	@Audited
 	@Column
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
 	public Long getId() {

module/spring-boot-data-jpa/src/test/java/org/springframework/boot/data/jpa/autoconfigure/domain/country/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.jpa.autoconfigure.domain.country;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-ldap/src/test/java/org/springframework/boot/data/ldap/autoconfigure/domain/empty/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.ldap.autoconfigure.domain.empty;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-ldap/src/test/java/org/springframework/boot/data/ldap/autoconfigure/domain/person/Person.java

@@ -18,6 +18,8 @@ package org.springframework.boot.data.ldap.autoconfigure.domain.person;
 
 import javax.naming.Name;
 
+import org.jspecify.annotations.Nullable;
+
 import org.springframework.ldap.odm.annotations.Attribute;
 import org.springframework.ldap.odm.annotations.DnAttribute;
 import org.springframework.ldap.odm.annotations.Entry;
@@ -27,10 +29,10 @@ import org.springframework.ldap.odm.annotations.Id;
 public class Person {
 
 	@Id
-	private Name dn;
+	private @Nullable Name dn;
 
 	@Attribute(name = "cn")
 	@DnAttribute(value = "cn", index = 1)
-	private String fullName;
+	private @Nullable String fullName;
 
 }

module/spring-boot-data-ldap/src/test/java/org/springframework/boot/data/ldap/autoconfigure/domain/person/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.ldap.autoconfigure.domain.person;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/alt/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.mongodb.alt;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/autoconfigure/domain/city/City.java

@@ -25,12 +25,16 @@ public class City implements Serializable {
 
 	private static final long serialVersionUID = 1L;
 
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
+	@SuppressWarnings("NullAway.Init")
 	private String country;
 
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	protected City() {

module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/autoconfigure/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.mongodb.autoconfigure.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/autoconfigure/domain/country/Country.java

@@ -25,6 +25,7 @@ public class Country implements Serializable {
 
 	private static final long serialVersionUID = 1L;
 
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
 	protected Country() {

module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/autoconfigure/domain/country/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.mongodb.autoconfigure.domain.country;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-mongodb/src/test/java/org/springframework/boot/data/mongodb/autoconfigure/empty/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.mongodb.autoconfigure.empty;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/city/City.java

@@ -30,14 +30,19 @@ public class City implements Serializable {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
+	@SuppressWarnings("NullAway.Init")
 	private final String name;
 
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
+	@SuppressWarnings("NullAway.Init")
 	private final Country country;
 
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	public City(String name, Country country) {

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.neo4j.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/country/Country.java

@@ -29,6 +29,7 @@ public class Country implements Serializable {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 	private final String name;

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/country/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.neo4j.domain.country;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/empty/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.neo4j.domain.empty;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/scan/TestNode.java

@@ -25,6 +25,7 @@ public class TestNode {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 }

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/scan/TestNonAnnotated.java

@@ -23,6 +23,7 @@ public class TestNonAnnotated {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 }

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/scan/TestPersistent.java

@@ -25,6 +25,7 @@ public class TestPersistent {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 }

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/scan/TestRelationshipProperties.java

@@ -25,6 +25,7 @@ public class TestRelationshipProperties {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	Long id;
 
 }

module/spring-boot-data-neo4j/src/test/java/org/springframework/boot/data/neo4j/domain/scan/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.neo4j.domain.scan;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-r2dbc/src/test/java/org/springframework/boot/data/r2dbc/domain/city/City.java

@@ -23,14 +23,19 @@ import org.springframework.data.relational.core.mapping.Table;
 public class City {
 
 	@Id
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
+	@SuppressWarnings("NullAway.Init")
 	private String country;
 
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	protected City() {

module/spring-boot-data-r2dbc/src/test/java/org/springframework/boot/data/r2dbc/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.r2dbc.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-r2dbc/src/test/java/org/springframework/boot/data/r2dbc/domain/empty/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.r2dbc.domain.empty;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-redis/src/test/java/org/springframework/boot/data/redis/domain/city/City.java

@@ -27,14 +27,19 @@ public class City implements Serializable {
 	private static final long serialVersionUID = 1L;
 
 	@Id
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
+	@SuppressWarnings("NullAway.Init")
 	private String country;
 
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	protected City() {

module/spring-boot-data-redis/src/test/java/org/springframework/boot/data/redis/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.redis.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-redis/src/test/java/org/springframework/boot/data/redis/domain/empty/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.redis.domain.empty;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-data-rest/src/test/java/org/springframework/boot/data/rest/domain/city/City.java

@@ -30,18 +30,23 @@ public class City implements Serializable {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String country;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	protected City() {

module/spring-boot-data-rest/src/test/java/org/springframework/boot/data/rest/domain/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.data.rest.domain.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-devtools/src/intTest/java/com/example/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package com.example;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-devtools/src/intTest/java/org/springframework/boot/devtools/tests/AbstractDevToolsIntegrationTests.java

@@ -27,11 +27,13 @@ import net.bytebuddy.description.modifier.Visibility;
 import net.bytebuddy.dynamic.DynamicType;
 import net.bytebuddy.implementation.FixedValue;
 import org.awaitility.Awaitility;
+import org.jspecify.annotations.Nullable;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.extension.RegisterExtension;
 import org.junit.jupiter.api.io.TempDir;
 
 import org.springframework.boot.testsupport.BuildOutput;
+import org.springframework.util.Assert;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -50,32 +52,39 @@ abstract class AbstractDevToolsIntegrationTests {
 	protected final JvmLauncher javaLauncher = new JvmLauncher();
 
 	@TempDir
+	@SuppressWarnings("NullAway.Init")
 	protected static File temp;
 
-	protected LaunchedApplication launchedApplication;
+	private @Nullable LaunchedApplication launchedApplication;
 
-	protected void launchApplication(ApplicationLauncher applicationLauncher, String... args) throws Exception {
+	protected LaunchedApplication launchApplication(ApplicationLauncher applicationLauncher, String... args)
+			throws Exception {
 		this.serverPortFile.delete();
 		this.launchedApplication = applicationLauncher.launchApplication(this.javaLauncher, this.serverPortFile, args);
+		return this.launchedApplication;
 	}
 
 	@AfterEach
 	void stopApplication() throws InterruptedException {
+		Assert.notNull(this.launchedApplication, "Application has not been launched");
 		this.launchedApplication.stop();
 	}
 
 	protected int awaitServerPort() throws Exception {
+		LaunchedApplication launchedApplication = this.launchedApplication;
+		Assert.notNull(launchedApplication, "Application has not been launched");
 		int port = Awaitility.waitAtMost(Duration.ofMinutes(3))
-			.until(() -> new ApplicationState(this.serverPortFile, this.launchedApplication),
+			.until(() -> new ApplicationState(this.serverPortFile, launchedApplication),
 					ApplicationState::hasServerPort)
 			.getServerPort();
 		this.serverPortFile.delete();
-		this.launchedApplication.restartRemote(port);
+		launchedApplication.restartRemote(port);
 		Thread.sleep(1000);
 		return port;
 	}
 
 	protected ControllerBuilder controller(String name) {
+		Assert.notNull(this.launchedApplication, "Application has not been launched");
 		return new ControllerBuilder(name, this.launchedApplication.getClassesDirectory());
 	}
 

module/spring-boot-devtools/src/intTest/java/org/springframework/boot/devtools/tests/ApplicationState.java

@@ -19,7 +19,10 @@ package org.springframework.boot.devtools.tests;
 import java.io.File;
 import java.time.Instant;
 
+import org.jspecify.annotations.Nullable;
+
 import org.springframework.boot.devtools.tests.JvmLauncher.LaunchedJvm;
+import org.springframework.util.Assert;
 
 /**
  * State of an application.
@@ -30,7 +33,7 @@ final class ApplicationState {
 
 	private final Instant launchTime;
 
-	private final Integer serverPort;
+	private final @Nullable Integer serverPort;
 
 	private final FileContents out;
 
@@ -56,6 +59,7 @@ final class ApplicationState {
 	}
 
 	int getServerPort() {
+		Assert.notNull(this.serverPort, "No server port is available");
 		return this.serverPort;
 	}
 

module/spring-boot-devtools/src/intTest/java/org/springframework/boot/devtools/tests/DevToolsIntegrationTests.java

@@ -125,10 +125,10 @@ class DevToolsIntegrationTests extends AbstractDevToolsIntegrationTests {
 	@ParameterizedTest(name = "{0}")
 	@MethodSource("parameters")
 	void deleteAController(ApplicationLauncher applicationLauncher) throws Exception {
-		launchApplication(applicationLauncher);
+		LaunchedApplication launchedApplication = launchApplication(applicationLauncher);
 		String urlBase = "http://localhost:" + awaitServerPort();
 		assertThat(this.template.getForObject(urlBase + "/one", String.class)).isEqualTo("one");
-		assertThat(new File(this.launchedApplication.getClassesDirectory(), "com/example/ControllerOne.class").delete())
+		assertThat(new File(launchedApplication.getClassesDirectory(), "com/example/ControllerOne.class").delete())
 			.isTrue();
 		urlBase = "http://localhost:" + awaitServerPort();
 		assertThat(this.template.getForEntity(urlBase + "/one", String.class).getStatusCode())
@@ -139,7 +139,7 @@ class DevToolsIntegrationTests extends AbstractDevToolsIntegrationTests {
 	@ParameterizedTest(name = "{0}")
 	@MethodSource("parameters")
 	void createAControllerAndThenDeleteIt(ApplicationLauncher applicationLauncher) throws Exception {
-		launchApplication(applicationLauncher);
+		LaunchedApplication launchedApplication = launchApplication(applicationLauncher);
 		String urlBase = "http://localhost:" + awaitServerPort();
 		assertThat(this.template.getForObject(urlBase + "/one", String.class)).isEqualTo("one");
 		assertThat(this.template.getForEntity(urlBase + "/two", String.class).getStatusCode())
@@ -148,7 +148,7 @@ class DevToolsIntegrationTests extends AbstractDevToolsIntegrationTests {
 		urlBase = "http://localhost:" + awaitServerPort();
 		assertThat(this.template.getForObject(urlBase + "/one", String.class)).isEqualTo("one");
 		assertThat(this.template.getForObject(urlBase + "/two", String.class)).isEqualTo("two");
-		assertThat(new File(this.launchedApplication.getClassesDirectory(), "com/example/ControllerTwo.class").delete())
+		assertThat(new File(launchedApplication.getClassesDirectory(), "com/example/ControllerTwo.class").delete())
 			.isTrue();
 		urlBase = "http://localhost:" + awaitServerPort();
 		assertThat(this.template.getForEntity(urlBase + "/two", String.class).getStatusCode())

module/spring-boot-devtools/src/intTest/java/org/springframework/boot/devtools/tests/FileContents.java

@@ -21,6 +21,8 @@ import java.io.FileReader;
 import java.io.IOException;
 import java.util.function.Function;
 
+import org.jspecify.annotations.Nullable;
+
 import org.springframework.util.FileCopyUtils;
 
 /**
@@ -36,11 +38,11 @@ class FileContents {
 		this.file = file;
 	}
 
-	String get() {
+	@Nullable String get() {
 		return get(Function.identity());
 	}
 
-	<T> T get(Function<String, T> transformer) {
+	<T> @Nullable T get(Function<String, T> transformer) {
 		if ((!this.file.exists()) || this.file.length() == 0) {
 			return null;
 		}
@@ -53,7 +55,7 @@ class FileContents {
 	}
 
 	@Override
-	public String toString() {
+	public @Nullable String toString() {
 		return get();
 	}
 

module/spring-boot-devtools/src/intTest/java/org/springframework/boot/devtools/tests/JvmLauncher.java

@@ -24,6 +24,7 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.regex.Pattern;
 
+import org.jspecify.annotations.Nullable;
 import org.junit.jupiter.api.extension.BeforeTestExecutionCallback;
 import org.junit.jupiter.api.extension.Extension;
 import org.junit.jupiter.api.extension.ExtensionContext;
@@ -43,7 +44,7 @@ class JvmLauncher implements BeforeTestExecutionCallback {
 
 	private final BuildOutput buildOutput = new BuildOutput(getClass());
 
-	private File outputDirectory;
+	private @Nullable File outputDirectory;
 
 	@Override
 	public void beforeTestExecution(ExtensionContext context) throws Exception {

module/spring-boot-devtools/src/intTest/java/org/springframework/boot/devtools/tests/LaunchedApplication.java

@@ -20,6 +20,8 @@ import java.io.File;
 import java.time.Instant;
 import java.util.function.BiFunction;
 
+import org.jspecify.annotations.Nullable;
+
 /**
  * An application launched by {@link ApplicationLauncher}.
  *
@@ -35,14 +37,14 @@ class LaunchedApplication {
 
 	private final Process localProcess;
 
-	private Process remoteProcess;
+	private @Nullable Process remoteProcess;
 
 	private final Instant launchTime = Instant.now();
 
-	private final BiFunction<Integer, File, Process> remoteProcessRestarter;
+	private final @Nullable BiFunction<Integer, File, Process> remoteProcessRestarter;
 
 	LaunchedApplication(File classesDirectory, File standardOut, File standardError, Process localProcess,
-			Process remoteProcess, BiFunction<Integer, File, Process> remoteProcessRestarter) {
+			@Nullable Process remoteProcess, @Nullable BiFunction<Integer, File, Process> remoteProcessRestarter) {
 		this.classesDirectory = classesDirectory;
 		this.standardOut = standardOut;
 		this.standardError = standardError;
@@ -63,7 +65,7 @@ class LaunchedApplication {
 		stop(this.remoteProcess);
 	}
 
-	private void stop(Process process) throws InterruptedException {
+	private void stop(@Nullable Process process) throws InterruptedException {
 		if (process != null) {
 			process.destroy();
 			process.waitFor();

module/spring-boot-devtools/src/intTest/java/org/springframework/boot/devtools/tests/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.devtools.tests;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/test/MockClientHttpRequestFactory.java

@@ -24,6 +24,8 @@ import java.util.Deque;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicLong;
 
+import org.jspecify.annotations.Nullable;
+
 import org.springframework.http.HttpMethod;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
@@ -105,11 +107,11 @@ public class MockClientHttpRequestFactory implements ClientHttpRequestFactory {
 
 		private final int delay;
 
-		private final byte[] payload;
+		private final byte @Nullable [] payload;
 
 		private final HttpStatus status;
 
-		Response(int delay, byte[] payload, HttpStatus status) {
+		Response(int delay, byte @Nullable [] payload, HttpStatus status) {
 			this.delay = delay;
 			this.payload = payload;
 			this.status = status;

module/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/test/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.devtools.test;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-devtools/src/test/java/org/springframework/boot/loader/launch/FakeJarLauncher.java

@@ -18,6 +18,8 @@ package org.springframework.boot.loader.launch;
 
 import java.util.function.Consumer;
 
+import org.jspecify.annotations.Nullable;
+
 /**
  * Fake launcher in the {@code org.springframework.boot.loader.launch} package used in
  * {@code MainMethodTests}.
@@ -26,13 +28,15 @@ import java.util.function.Consumer;
  */
 public final class FakeJarLauncher {
 
-	public static Consumer<String[]> action;
+	public static @Nullable Consumer<String[]> action;
 
 	private FakeJarLauncher() {
 	}
 
 	public static void main(String... args) {
-		action.accept(args);
+		if (action != null) {
+			action.accept(args);
+		}
 	}
 
 }

module/spring-boot-devtools/src/test/java/org/springframework/boot/loader/launch/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.loader.launch;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-gson/src/test/java/org/springframework/boot/gson/autoconfigure/jsontest/app/ExampleBasicObject.java

@@ -16,6 +16,10 @@
 
 package org.springframework.boot.gson.autoconfigure.jsontest.app;
 
+import java.util.Objects;
+
+import org.jspecify.annotations.Nullable;
+
 /**
  * Example object to read/write as JSON.
  *
@@ -23,9 +27,9 @@ package org.springframework.boot.gson.autoconfigure.jsontest.app;
  */
 public class ExampleBasicObject {
 
-	private String value;
+	private @Nullable String value;
 
-	public String getValue() {
+	public @Nullable String getValue() {
 		return this.value;
 	}
 
@@ -36,14 +40,14 @@ public class ExampleBasicObject {
 	@Override
 	public boolean equals(Object obj) {
 		if (obj != null && obj.getClass() == getClass()) {
-			return this.value.equals(((ExampleBasicObject) obj).value);
+			return Objects.equals(this.value, ((ExampleBasicObject) obj).value);
 		}
 		return false;
 	}
 
 	@Override
 	public int hashCode() {
-		return this.value.hashCode();
+		return Objects.hashCode(this.value);
 	}
 
 }

module/spring-boot-gson/src/test/java/org/springframework/boot/gson/autoconfigure/jsontest/app/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.gson.autoconfigure.jsontest.app;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-gson/src/test/java/org/springframework/boot/gson/autoconfigure/jsontest/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.gson.autoconfigure.jsontest;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-hibernate/src/test/java/org/springframework/boot/hibernate/autoconfigure/mapping/NonAnnotatedEntity.java

@@ -23,8 +23,10 @@ package org.springframework.boot.hibernate.autoconfigure.mapping;
  */
 public class NonAnnotatedEntity {
 
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
+	@SuppressWarnings("NullAway.Init")
 	private String item;
 
 	protected NonAnnotatedEntity() {

module/spring-boot-hibernate/src/test/java/org/springframework/boot/hibernate/autoconfigure/mapping/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.hibernate.autoconfigure.mapping;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-hibernate/src/test/java/org/springframework/boot/hibernate/autoconfigure/test/city/City.java

@@ -32,18 +32,23 @@ public class City implements Serializable {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String state;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String country;
 
 	@Column(nullable = false)
+	@SuppressWarnings("NullAway.Init")
 	private String map;
 
 	protected City() {

module/spring-boot-hibernate/src/test/java/org/springframework/boot/hibernate/autoconfigure/test/city/CityListener.java

@@ -17,13 +17,14 @@
 package org.springframework.boot.hibernate.autoconfigure.test.city;
 
 import jakarta.persistence.PostLoad;
+import org.jspecify.annotations.Nullable;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.config.ConfigurableBeanFactory;
 
 public class CityListener {
 
-	private ConfigurableBeanFactory beanFactory;
+	private @Nullable ConfigurableBeanFactory beanFactory;
 
 	public CityListener() {
 	}

module/spring-boot-hibernate/src/test/java/org/springframework/boot/hibernate/autoconfigure/test/city/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.hibernate.autoconfigure.test.city;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-hibernate/src/test/java/org/springframework/boot/hibernate/autoconfigure/test/country/Country.java

@@ -31,10 +31,12 @@ public class Country implements Serializable {
 
 	@Id
 	@GeneratedValue
+	@SuppressWarnings("NullAway.Init")
 	private Long id;
 
 	@Audited
 	@Column
+	@SuppressWarnings("NullAway.Init")
 	private String name;
 
 	public Long getId() {

module/spring-boot-hibernate/src/test/java/org/springframework/boot/hibernate/autoconfigure/test/country/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.hibernate.autoconfigure.test.country;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/autoconfigure/jsontest/app/ExampleBasicObject.java

@@ -16,6 +16,10 @@
 
 package org.springframework.boot.jackson.autoconfigure.jsontest.app;
 
+import java.util.Objects;
+
+import org.jspecify.annotations.Nullable;
+
 /**
  * Example object to read/write as JSON.
  *
@@ -23,9 +27,9 @@ package org.springframework.boot.jackson.autoconfigure.jsontest.app;
  */
 public class ExampleBasicObject {
 
-	private String value;
+	private @Nullable String value;
 
-	public String getValue() {
+	public @Nullable String getValue() {
 		return this.value;
 	}
 
@@ -36,14 +40,14 @@ public class ExampleBasicObject {
 	@Override
 	public boolean equals(Object obj) {
 		if (obj != null && obj.getClass() == getClass()) {
-			return this.value.equals(((ExampleBasicObject) obj).value);
+			return Objects.equals(this.value, ((ExampleBasicObject) obj).value);
 		}
 		return false;
 	}
 
 	@Override
 	public int hashCode() {
-		return this.value.hashCode();
+		return Objects.hashCode(this.value);
 	}
 
 }

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/autoconfigure/jsontest/app/ExampleCustomObject.java

@@ -19,6 +19,8 @@ package org.springframework.boot.jackson.autoconfigure.jsontest.app;
 import java.util.Date;
 import java.util.UUID;
 
+import org.jspecify.annotations.Nullable;
+
 /**
  * Example object to read/write as JSON through {@link ExampleJacksonComponent}.
  *
@@ -27,6 +29,6 @@ import java.util.UUID;
  * @param date a date
  * @param uuid a uuid
  */
-public record ExampleCustomObject(String value, Date date, UUID uuid) {
+public record ExampleCustomObject(@Nullable String value, @Nullable Date date, @Nullable UUID uuid) {
 
 }

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/autoconfigure/jsontest/app/ExampleJacksonComponent.java

@@ -19,6 +19,7 @@ package org.springframework.boot.jackson.autoconfigure.jsontest.app;
 import java.util.Date;
 import java.util.UUID;
 
+import org.jspecify.annotations.Nullable;
 import tools.jackson.core.JsonGenerator;
 import tools.jackson.core.JsonParser;
 import tools.jackson.databind.DeserializationContext;
@@ -44,8 +45,14 @@ public class ExampleJacksonComponent {
 		@Override
 		protected void serializeObject(ExampleCustomObject value, JsonGenerator jgen, SerializationContext context) {
 			jgen.writeStringProperty("value", value.value());
-			jgen.writeNumberProperty("date", value.date().getTime());
-			jgen.writeStringProperty("uuid", value.uuid().toString());
+			@Nullable Date date = value.date();
+			if (date != null) {
+				jgen.writeNumberProperty("date", date.getTime());
+			}
+			@Nullable UUID uuid = value.uuid();
+			if (uuid != null) {
+				jgen.writeStringProperty("uuid", uuid.toString());
+			}
 		}
 
 	}

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/autoconfigure/jsontest/app/ExampleJsonObjectWithView.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.jackson.autoconfigure.jsontest.app;
 
 import com.fasterxml.jackson.annotation.JsonView;
+import org.jspecify.annotations.Nullable;
 
 import org.springframework.util.ObjectUtils;
 
@@ -28,11 +29,11 @@ import org.springframework.util.ObjectUtils;
 public class ExampleJsonObjectWithView {
 
 	@JsonView(TestView.class)
-	private String value;
+	private @Nullable String value;
 
 	private int id;
 
-	public String getValue() {
+	public @Nullable String getValue() {
 		return this.value;
 	}
 

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/autoconfigure/jsontest/app/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson.autoconfigure.jsontest.app;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/autoconfigure/jsontest/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson.autoconfigure.jsontest;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/scan/a/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson.scan.a;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/scan/b/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson.scan.b;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/scan/c/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson.scan.c;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/scan/d/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson.scan.d;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/scan/e/PrivateMixInClass.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.jackson.scan.e;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
+import org.jspecify.annotations.Nullable;
 
 import org.springframework.boot.jackson.JacksonMixin;
 import org.springframework.boot.jackson.types.Name;
@@ -26,7 +27,7 @@ import org.springframework.boot.jackson.types.NameAndAge;
 class PrivateMixInClass {
 
 	@JsonProperty("username")
-	String getName() {
+	@Nullable String getName() {
 		return null;
 	}
 

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/scan/e/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson.scan.e;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/scan/f/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson.scan.f;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/types/NameAndCareer.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.jackson.types;
 
+import org.jspecify.annotations.Nullable;
+
 /**
  * Sample object used for tests.
  *
@@ -23,14 +25,14 @@ package org.springframework.boot.jackson.types;
  */
 public class NameAndCareer extends Name {
 
-	private final String career;
+	private final @Nullable String career;
 
-	public NameAndCareer(String name, String career) {
+	public NameAndCareer(@Nullable String name, @Nullable String career) {
 		super(name);
 		this.career = career;
 	}
 
-	public String getCareer() {
+	public @Nullable String getCareer() {
 		return this.career;
 	}
 

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/types/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson.types;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/scan/a/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson2.scan.a;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/scan/b/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson2.scan.b;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/scan/c/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson2.scan.c;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/scan/d/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson2.scan.d;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/scan/e/PrivateMixInClass.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.jackson2.scan.e;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
+import org.jspecify.annotations.Nullable;
 
 import org.springframework.boot.jackson2.JsonMixin;
 import org.springframework.boot.jackson2.types.Name;
@@ -28,7 +29,7 @@ import org.springframework.boot.jackson2.types.NameAndAge;
 class PrivateMixInClass {
 
 	@JsonProperty("username")
-	String getName() {
+	@Nullable String getName() {
 		return null;
 	}
 

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/scan/e/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson2.scan.e;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/scan/f/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson2.scan.f;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/types/Name.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.jackson2.types;
 
+import org.jspecify.annotations.Nullable;
+
 /**
  * Sample object used for tests.
  *
@@ -25,13 +27,13 @@ package org.springframework.boot.jackson2.types;
 @Deprecated(since = "4.0.0", forRemoval = true)
 public class Name {
 
-	protected final String name;
+	protected final @Nullable String name;
 
-	public Name(String name) {
+	public Name(@Nullable String name) {
 		this.name = name;
 	}
 
-	public String getName() {
+	public @Nullable String getName() {
 		return this.name;
 	}
 

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/types/NameAndAge.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.jackson2.types;
 
+import org.jspecify.annotations.Nullable;
+
 import org.springframework.util.ObjectUtils;
 
 /**
@@ -31,7 +33,7 @@ public final class NameAndAge extends Name {
 
 	private final int age;
 
-	public NameAndAge(String name, int age) {
+	public NameAndAge(@Nullable String name, int age) {
 		super(name);
 		this.age = age;
 	}

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/types/NameAndCareer.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.jackson2.types;
 
+import org.jspecify.annotations.Nullable;
+
 /**
  * Sample object used for tests.
  *
@@ -26,14 +28,14 @@ package org.springframework.boot.jackson2.types;
 @SuppressWarnings("removal")
 public class NameAndCareer extends Name {
 
-	private final String career;
+	private final @Nullable String career;
 
-	public NameAndCareer(String name, String career) {
+	public NameAndCareer(@Nullable String name, @Nullable String career) {
 		super(name);
 		this.career = career;
 	}
 
-	public String getCareer() {
+	public @Nullable String getCareer() {
 		return this.career;
 	}
 

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/types/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jackson2.types;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jsonb/src/test/java/org/springframework/boot/jsonb/autoconfigure/jsontest/app/ExampleBasicObject.java

@@ -16,6 +16,10 @@
 
 package org.springframework.boot.jsonb.autoconfigure.jsontest.app;
 
+import java.util.Objects;
+
+import org.jspecify.annotations.Nullable;
+
 /**
  * Example object to read/write as JSON.
  *
@@ -23,9 +27,9 @@ package org.springframework.boot.jsonb.autoconfigure.jsontest.app;
  */
 public class ExampleBasicObject {
 
-	private String value;
+	private @Nullable String value;
 
-	public String getValue() {
+	public @Nullable String getValue() {
 		return this.value;
 	}
 
@@ -36,14 +40,14 @@ public class ExampleBasicObject {
 	@Override
 	public boolean equals(Object obj) {
 		if (obj != null && obj.getClass() == getClass()) {
-			return this.value.equals(((ExampleBasicObject) obj).value);
+			return Objects.equals(this.value, ((ExampleBasicObject) obj).value);
 		}
 		return false;
 	}
 
 	@Override
 	public int hashCode() {
-		return this.value.hashCode();
+		return Objects.hashCode(this.value);
 	}
 
 }

module/spring-boot-jsonb/src/test/java/org/springframework/boot/jsonb/autoconfigure/jsontest/app/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jsonb.autoconfigure.jsontest.app;
+
+import org.jspecify.annotations.NullMarked;

module/spring-boot-jsonb/src/test/java/org/springframework/boot/jsonb/autoconfigure/jsontest/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-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.
+ */
+
+@NullMarked
+package org.springframework.boot.jsonb.autoconfigure.jsontest;
+
+import org.jspecify.annotations.NullMarked;