From 097319ecf99b56ceaf5565b05cca875a8cf71ae0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Nicoll?= <stephane.nicoll@broadcom.com>
Date: Mon, 28 Sep 2026 09:37:02 +0200
Subject: [PATCH] Polish "Check resource existence once when looking for
 deleted files"

See gh-51841
---
 ...assLoaderFilesResourcePatternResolver.java | 24 +++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/module/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/ClassLoaderFilesResourcePatternResolver.java b/module/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/ClassLoaderFilesResourcePatternResolver.java
index 27cc715ce83..bae72960264 100644
--- a/module/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/ClassLoaderFilesResourcePatternResolver.java
+++ b/module/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/ClassLoaderFilesResourcePatternResolver.java
@@ -151,29 +151,29 @@ final class ClassLoaderFilesResourcePatternResolver implements ResourcePatternRe
 		String uri = null;
 		for (SourceDirectory sourceDirectory : this.classLoaderFiles.getSourceDirectories()) {
 			for (Entry<String, ClassLoaderFile> entry : sourceDirectory.getFilesEntrySet()) {
-				if (entry.getValue().getKind() != Kind.DELETED) {
-					continue;
-				}
-				if (uri == null) {
-					if (!resource.exists()) {
-						return false;
+				ClassLoaderFile file = entry.getValue();
+				if (file.getKind() == Kind.DELETED) {
+					if (uri == null) {
+						uri = resolveUri(resource);
+					}
+					if (uri != null && uri.endsWith(entry.getKey())) {
+						return true;
 					}
-					uri = getUri(resource);
-				}
-				if (uri.endsWith(entry.getKey())) {
-					return true;
 				}
 			}
 		}
 		return false;
 	}
 
-	private String getUri(Resource resource) {
+	private @Nullable String resolveUri(Resource resource) {
+		if (!resource.exists()) {
+			return null;
+		}
 		try {
 			return resource.getURI().toString();
 		}
 		catch (IOException ex) {
-			throw new IllegalStateException("Failed to retrieve URI from '" + resource + "'", ex);
+			throw new IllegalStateException("Failed to resolve URI from '" + resource + "'", ex);
 		}
 	}