Merge branch '6.2.x'

spring-core/src/main/java/org/springframework/core/annotation/AnnotatedElementUtils.java

@@ -37,8 +37,12 @@
  *
  * <p>{@code AnnotatedElementUtils} defines the public API for Spring's
  * meta-annotation programming model with support for <em>annotation attribute
- * overrides</em>. If you do not need support for annotation attribute
- * overrides, consider using {@link AnnotationUtils} instead.
+ * overrides</em> and {@link AliasFor @AliasFor}. Note, however, that
+ * {@code AnnotatedElementUtils} is effectively a facade for the
+ * {@link MergedAnnotations} API. For fine-grained support consider using the
+ * {@code MergedAnnotations} API directly. If you do not need support for
+ * annotation attribute overrides, {@code @AliasFor}, or merged annotations,
+ * consider using {@link AnnotationUtils} instead.
  *
  * <p>Note that the features of this class are not provided by the JDK's
  * introspection facilities themselves.
@@ -88,6 +92,7 @@
  * @since 4.0
  * @see AliasFor
  * @see AnnotationAttributes
+ * @see MergedAnnotations
  * @see AnnotationUtils
  * @see BridgeMethodResolver
  */

spring-core/src/main/java/org/springframework/core/annotation/AnnotationUtils.java

@@ -61,7 +61,7 @@
  * <h3>Terminology</h3>
  * The terms <em>directly present</em>, <em>indirectly present</em>, and
  * <em>present</em> have the same meanings as defined in the class-level
- * javadoc for {@link AnnotatedElement} (in Java 8).
+ * javadoc for {@link AnnotatedElement}.
  *
  * <p>An annotation is <em>meta-present</em> on an element if the annotation
  * is declared as a meta-annotation on some other annotation which is
@@ -74,7 +74,8 @@
  * provide support for finding annotations used as meta-annotations. Consult the
  * javadoc for each method in this class for details. For fine-grained support for
  * meta-annotations with <em>attribute overrides</em> in <em>composed annotations</em>,
- * consider using {@link AnnotatedElementUtils}'s more specific methods instead.
+ * consider using the {@link MergedAnnotations} API directly or the more specific
+ * methods in {@link AnnotatedElementUtils} instead.
  *
  * <h3>Attribute Aliases</h3>
  * <p>All public methods in this class that return annotations, arrays of
@@ -98,6 +99,7 @@
  * @since 2.0
  * @see AliasFor
  * @see AnnotationAttributes
+ * @see MergedAnnotations
  * @see AnnotatedElementUtils
  * @see BridgeMethodResolver
  * @see java.lang.reflect.AnnotatedElement#getAnnotations()
@@ -303,11 +305,11 @@ private static <A extends Annotation> boolean isSingleLevelPresent(MergedAnnotat
 	 * {@code annotationType} from the supplied {@link AnnotatedElement}, where
 	 * such annotations are either <em>present</em>, <em>indirectly present</em>,
 	 * or <em>meta-present</em> on the element.
-	 * <p>This method mimics the functionality of Java 8's
+	 * <p>This method mimics the functionality of
 	 * {@link java.lang.reflect.AnnotatedElement#getAnnotationsByType(Class)}
 	 * with support for automatic detection of a <em>container annotation</em>
-	 * declared via @{@link java.lang.annotation.Repeatable} (when running on
-	 * Java 8 or higher) and with additional support for meta-annotations.
+	 * declared via {@link java.lang.annotation.Repeatable @Repeatable} and with
+	 * additional support for meta-annotations.
 	 * <p>Handles both single annotations and annotations nested within a
 	 * <em>container annotation</em>.
 	 * <p>Correctly handles <em>bridge methods</em> generated by the
@@ -338,7 +340,7 @@ public static <A extends Annotation> Set<A> getRepeatableAnnotations(AnnotatedEl
 	 * {@code annotationType} from the supplied {@link AnnotatedElement}, where
 	 * such annotations are either <em>present</em>, <em>indirectly present</em>,
 	 * or <em>meta-present</em> on the element.
-	 * <p>This method mimics the functionality of Java 8's
+	 * <p>This method mimics the functionality
 	 * {@link java.lang.reflect.AnnotatedElement#getAnnotationsByType(Class)}
 	 * with additional support for meta-annotations.
 	 * <p>Handles both single annotations and annotations nested within a
@@ -349,10 +351,9 @@ public static <A extends Annotation> Set<A> getRepeatableAnnotations(AnnotatedEl
 	 * <em>present</em> on the supplied element.
 	 * @param annotatedElement the element to look for annotations on
 	 * @param annotationType the annotation type to look for
-	 * @param containerAnnotationType the type of the container that holds
-	 * the annotations; may be {@code null} if a container is not supported
-	 * or if it should be looked up via @{@link java.lang.annotation.Repeatable}
-	 * when running on Java 8 or higher
+	 * @param containerAnnotationType the type of the container that holds the
+	 * annotations; may be {@code null} if a container is not supported or if it
+	 * should be looked up via {@link java.lang.annotation.Repeatable @Repeatable}
 	 * @return the annotations found or an empty set (never {@code null})
 	 * @since 4.2
 	 * @see #getRepeatableAnnotations(AnnotatedElement, Class)
@@ -384,11 +385,11 @@ public static <A extends Annotation> Set<A> getRepeatableAnnotations(AnnotatedEl
 	 * of {@code annotationType} from the supplied {@link AnnotatedElement},
 	 * where such annotations are either <em>directly present</em>,
 	 * <em>indirectly present</em>, or <em>meta-present</em> on the element.
-	 * <p>This method mimics the functionality of Java 8's
+	 * <p>This method mimics the functionality of
 	 * {@link java.lang.reflect.AnnotatedElement#getDeclaredAnnotationsByType(Class)}
 	 * with support for automatic detection of a <em>container annotation</em>
-	 * declared via @{@link java.lang.annotation.Repeatable} (when running on
-	 * Java 8 or higher) and with additional support for meta-annotations.
+	 * declared via {@link java.lang.annotation.Repeatable @Repeatable} and with
+	 * additional support for meta-annotations.
 	 * <p>Handles both single annotations and annotations nested within a
 	 * <em>container annotation</em>.
 	 * <p>Correctly handles <em>bridge methods</em> generated by the
@@ -420,7 +421,7 @@ public static <A extends Annotation> Set<A> getDeclaredRepeatableAnnotations(Ann
 	 * of {@code annotationType} from the supplied {@link AnnotatedElement},
 	 * where such annotations are either <em>directly present</em>,
 	 * <em>indirectly present</em>, or <em>meta-present</em> on the element.
-	 * <p>This method mimics the functionality of Java 8's
+	 * <p>This method mimics the functionality of
 	 * {@link java.lang.reflect.AnnotatedElement#getDeclaredAnnotationsByType(Class)}
 	 * with additional support for meta-annotations.
 	 * <p>Handles both single annotations and annotations nested within a
@@ -431,10 +432,9 @@ public static <A extends Annotation> Set<A> getDeclaredRepeatableAnnotations(Ann
 	 * <em>present</em> on the supplied element.
 	 * @param annotatedElement the element to look for annotations on
 	 * @param annotationType the annotation type to look for
-	 * @param containerAnnotationType the type of the container that holds
-	 * the annotations; may be {@code null} if a container is not supported
-	 * or if it should be looked up via @{@link java.lang.annotation.Repeatable}
-	 * when running on Java 8 or higher
+	 * @param containerAnnotationType the type of the container that holds the
+	 * annotations; may be {@code null} if a container is not supported or if it
+	 * should be looked up via {@link java.lang.annotation.Repeatable @Repeatable}
 	 * @return the annotations found or an empty set (never {@code null})
 	 * @since 4.2
 	 * @see #getRepeatableAnnotations(AnnotatedElement, Class)

spring-core/src/main/java/org/springframework/core/annotation/MergedAnnotations.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -38,7 +38,7 @@
  * <ul>
  * <li>Explicit and Implicit {@link AliasFor @AliasFor} declarations on one or
  * more attributes within the annotation</li>
- * <li>Explicit {@link AliasFor @AliasFor} declarations for a meta-annotation</li>
+ * <li>Explicit {@code @AliasFor} declarations for a meta-annotation</li>
  * <li>Convention based attribute aliases for a meta-annotation</li>
  * <li>From a meta-annotation declaration</li>
  * </ul>
@@ -141,6 +141,9 @@
  * @see MergedAnnotationCollectors
  * @see MergedAnnotationPredicates
  * @see MergedAnnotationSelectors
+ * @see AliasFor
+ * @see AnnotationUtils
+ * @see AnnotatedElementUtils
  */
 public interface MergedAnnotations extends Iterable<MergedAnnotation<Annotation>> {
 
@@ -561,6 +564,7 @@ private Search(SearchStrategy searchStrategy) {
 		 * @see #withRepeatableContainers(RepeatableContainers)
 		 * @see #withAnnotationFilter(AnnotationFilter)
 		 * @see #from(AnnotatedElement)
+		 * @see org.springframework.test.context.TestContextAnnotationUtils#searchEnclosingClass(Class)
 		 */
 		public Search withEnclosingClasses(Predicate<Class<?>> searchEnclosingClass) {
 			Assert.notNull(searchEnclosingClass, "Predicate must not be null");

spring-test/src/main/java/org/springframework/test/context/TestContextAnnotationUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -44,19 +44,20 @@
 
 /**
  * {@code TestContextAnnotationUtils} is a collection of utility methods that
- * complements the standard support already available in {@link AnnotationUtils}
- * and {@link AnnotatedElementUtils}, while transparently honoring
- * {@link NestedTestConfiguration @NestedTestConfiguration} semantics.
+ * complements the standard support already available in {@link MergedAnnotations},
+ * {@link AnnotationUtils}, and {@link AnnotatedElementUtils}, while transparently
+ * honoring {@link NestedTestConfiguration @NestedTestConfiguration} semantics.
  *
  * <p>Mainly for internal use within the <em>Spring TestContext Framework</em>
  * but also supported for third-party integrations with the TestContext framework.
  *
- * <p>Whereas {@code AnnotationUtils} and {@code AnnotatedElementUtils} provide
- * utilities for <em>getting</em> or <em>finding</em> annotations,
- * {@code TestContextAnnotationUtils} goes a step further by providing support
- * for determining the <em>root class</em> on which an annotation is declared,
- * either directly or indirectly via a <em>composed annotation</em>. This
- * additional information is encapsulated in an {@link AnnotationDescriptor}.
+ * <p>Whereas {@code MergedAnnotations}, {@code AnnotationUtils} and
+ * {@code AnnotatedElementUtils} provide utilities for <em>getting</em> or
+ * <em>finding</em> annotations, {@code TestContextAnnotationUtils} goes a step
+ * further by providing support for determining the <em>root class</em> on which
+ * an annotation is declared, either directly or indirectly via a
+ * <em>composed annotation</em>. This additional information is encapsulated in
+ * an {@link AnnotationDescriptor}.
  *
  * <p>The additional information provided by an {@code AnnotationDescriptor} is
  * required by the <em>Spring TestContext Framework</em> in order to be able to
@@ -68,7 +69,11 @@
  * example, {@link ContextConfiguration#inheritLocations}.
  *
  * @author Sam Brannen
- * @since 5.3, though originally since 4.0 as {@code org.springframework.test.util.MetaAnnotationUtils}
+ * @since 5.3
+ * @see MergedAnnotations
+ * @see MergedAnnotations.Search
+ * @see MergedAnnotations.Search#withEnclosingClasses(Predicate)
+ * @see #searchEnclosingClass(Class)
  * @see AnnotationUtils
  * @see AnnotatedElementUtils
  * @see AnnotationDescriptor