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@Bean processing explicitly ignores bridge methods (for method overrides with return type narrowing on JDK 8)

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Issue: SPR-11718
(cherry picked from commit 656fc52)
This commit is contained in:
Juergen Hoeller
2014-04-28 00:16:38 +02:00
parent 1f630a5fb9
commit 310bdbcb15
3 changed files with 64 additions and 5 deletions
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6
spring-core/src/main/java/org/springframework/core/type/StandardAnnotationMetadata.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2014 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.
@@ -128,7 +128,7 @@ public class StandardAnnotationMetadata extends StandardClassMetadata implements
public boolean hasAnnotatedMethods(String annotationType) {
Method[] methods = getIntrospectedClass().getDeclaredMethods();
for (Method method : methods) {
if (AnnotatedElementUtils.isAnnotated(method, annotationType)) {
if (!method.isBridge() && AnnotatedElementUtils.isAnnotated(method, annotationType)) {
return true;
}
}
@@ -140,7 +140,7 @@ public class StandardAnnotationMetadata extends StandardClassMetadata implements
Method[] methods = getIntrospectedClass().getDeclaredMethods();
Set<MethodMetadata> annotatedMethods = new LinkedHashSet<MethodMetadata>();
for (Method method : methods) {
if (AnnotatedElementUtils.isAnnotated(method, annotationType)) {
if (!method.isBridge() && AnnotatedElementUtils.isAnnotated(method, annotationType)) {
annotatedMethods.add(new StandardMethodMetadata(method, this.nestedAnnotationsAsMap));
}
}

9
spring-core/src/main/java/org/springframework/core/type/classreading/AnnotationMetadataReadingVisitor.java
View File

@@ -25,6 +25,7 @@ import java.util.Set;
import org.springframework.asm.AnnotationVisitor;
import org.springframework.asm.MethodVisitor;
import org.springframework.asm.Opcodes;
import org.springframework.asm.Type;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.type.AnnotationMetadata;
@@ -57,8 +58,7 @@ public class AnnotationMetadataReadingVisitor extends ClassMetadataReadingVisito
* to ensure that the hierarchical ordering of the entries is preserved.
* @see AnnotationReadingVisitorUtils#getMergedAnnotationAttributes(LinkedMultiValueMap, String)
*/
protected final LinkedMultiValueMap<String, AnnotationAttributes> attributesMap = new LinkedMultiValueMap<String, AnnotationAttributes>(
4);
protected final LinkedMultiValueMap<String, AnnotationAttributes> attributesMap = new LinkedMultiValueMap<String, AnnotationAttributes>(4);
protected final Set<MethodMetadata> methodMetadataSet = new LinkedHashSet<MethodMetadata>(4);
@@ -70,6 +70,11 @@ public class AnnotationMetadataReadingVisitor extends ClassMetadataReadingVisito
@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
// Skip bridge methods - we're only interested in original annotation-defining user methods.
// On JDK 8, we'd otherwise run into double detection of the same annotated method...
if ((access & Opcodes.ACC_BRIDGE) != 0) {
return super.visitMethod(access, name, desc, signature, exceptions);
}
return new MethodMetadataReadingVisitor(name, access, getClassName(), this.classLoader, this.methodMetadataSet);
}