Consistent detection of meta-annotation attributes via ASM

Issue: SPR-13394

spring-context/src/test/java/org/springframework/context/annotation/ConfigurationClassPostProcessorTests.java

@@ -27,6 +27,7 @@ import org.junit.Test;
 
 import org.springframework.aop.scope.ScopedObject;
 import org.springframework.aop.scope.ScopedProxyUtils;
+import org.springframework.aop.support.AopUtils;
 import org.springframework.beans.factory.BeanCreationException;
 import org.springframework.beans.factory.BeanDefinitionStoreException;
 import org.springframework.beans.factory.FactoryBean;
@@ -426,6 +427,28 @@ public class ConfigurationClassPostProcessorTests {
 		RepositoryInjectionBean bean = (RepositoryInjectionBean) beanFactory.getBean("annotatedBean");
 		assertEquals("Repository<String>", bean.stringRepository.toString());
 		assertEquals("Repository<Integer>", bean.integerRepository.toString());
+		assertTrue(AopUtils.isCglibProxy(bean.stringRepository));
+		assertTrue(AopUtils.isCglibProxy(bean.integerRepository));
+	}
+
+	@Test
+	public void genericsBasedInjectionWithScopedProxyUsingAsm() {
+		AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
+		bpp.setBeanFactory(beanFactory);
+		beanFactory.addBeanPostProcessor(bpp);
+		RootBeanDefinition bd = new RootBeanDefinition(RepositoryInjectionBean.class.getName());
+		bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
+		beanFactory.registerBeanDefinition("annotatedBean", bd);
+		beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(ScopedProxyRepositoryConfiguration.class.getName()));
+		ConfigurationClassPostProcessor pp = new ConfigurationClassPostProcessor();
+		pp.postProcessBeanFactory(beanFactory);
+		beanFactory.freezeConfiguration();
+
+		RepositoryInjectionBean bean = (RepositoryInjectionBean) beanFactory.getBean("annotatedBean");
+		assertEquals("Repository<String>", bean.stringRepository.toString());
+		assertEquals("Repository<Integer>", bean.integerRepository.toString());
+		assertTrue(AopUtils.isCglibProxy(bean.stringRepository));
+		assertTrue(AopUtils.isCglibProxy(bean.integerRepository));
 	}
 
 	@Test
@@ -783,6 +806,13 @@ public class ConfigurationClassPostProcessorTests {
 		}
 	}
 
+	@Retention(RetentionPolicy.RUNTIME)
+	@Scope(scopeName = "prototype")
+	public @interface PrototypeScoped {
+
+		ScopedProxyMode proxyMode() default ScopedProxyMode.TARGET_CLASS;
+	}
+
 	@Configuration
 	public static class ScopedProxyRepositoryConfiguration {
 
@@ -798,7 +828,7 @@ public class ConfigurationClassPostProcessorTests {
 		}
 
 		@Bean
-		@Scope(scopeName = "prototype", proxyMode = ScopedProxyMode.TARGET_CLASS)
+		@PrototypeScoped
 		public Repository<Integer> integerRepo() {
 			return new Repository<Integer>() {
 				@Override

spring-core/src/main/java/org/springframework/core/type/StandardMethodMetadata.java

@@ -66,6 +66,7 @@ public class StandardMethodMetadata implements MethodMetadata {
 		this.nestedAnnotationsAsMap = nestedAnnotationsAsMap;
 	}
 
+
 	/**
 	 * Return the underlying Method.
 	 */

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

@@ -59,7 +59,8 @@ public class AnnotationMetadataReadingVisitor extends ClassMetadataReadingVisito
 	 * to ensure that the hierarchical ordering of the entries is preserved.
 	 * @see AnnotationReadingVisitorUtils#getMergedAnnotationAttributes
 	 */
-	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);
 
@@ -84,7 +85,8 @@ public class AnnotationMetadataReadingVisitor extends ClassMetadataReadingVisito
 	public AnnotationVisitor visitAnnotation(final String desc, boolean visible) {
 		String className = Type.getType(desc).getClassName();
 		this.annotationSet.add(className);
-		return new AnnotationAttributesReadingVisitor(className, this.attributesMap, this.metaAnnotationMap, this.classLoader);
+		return new AnnotationAttributesReadingVisitor(
+				className, this.attributesMap, this.metaAnnotationMap, this.classLoader);
 	}
 
 
@@ -116,7 +118,8 @@ public class AnnotationMetadataReadingVisitor extends ClassMetadataReadingVisito
 
 	@Override
 	public boolean isAnnotated(String annotationName) {
-		return (!AnnotationUtils.isInJavaLangAnnotationPackage(annotationName) && this.attributesMap.containsKey(annotationName));
+		return (!AnnotationUtils.isInJavaLangAnnotationPackage(annotationName) &&
+				this.attributesMap.containsKey(annotationName));
 	}
 
 	@Override
@@ -127,8 +130,7 @@ public class AnnotationMetadataReadingVisitor extends ClassMetadataReadingVisito
 	@Override
 	public AnnotationAttributes getAnnotationAttributes(String annotationName, boolean classValuesAsString) {
 		AnnotationAttributes raw = AnnotationReadingVisitorUtils.getMergedAnnotationAttributes(
-this.attributesMap,
-			this.metaAnnotationMap, annotationName);
+				this.attributesMap, this.metaAnnotationMap, annotationName);
 		return AnnotationReadingVisitorUtils.convertClassValues(this.classLoader, raw, classValuesAsString);
 	}
 
@@ -145,8 +147,8 @@ this.attributesMap,
 			return null;
 		}
 		for (AnnotationAttributes raw : attributes) {
-			for (Map.Entry<String, Object> entry :
-					AnnotationReadingVisitorUtils.convertClassValues(this.classLoader, raw, classValuesAsString).entrySet()) {
+			for (Map.Entry<String, Object> entry : AnnotationReadingVisitorUtils.convertClassValues(
+					this.classLoader, raw, classValuesAsString).entrySet()) {
 				allAttributes.add(entry.getKey(), entry.getValue());
 			}
 		}

spring-core/src/main/java/org/springframework/core/type/classreading/MethodMetadataReadingVisitor.java

@@ -16,7 +16,7 @@
 
 package org.springframework.core.type.classreading;
 
-import java.util.List;
+import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Set;
 
@@ -56,7 +56,9 @@ public class MethodMetadataReadingVisitor extends MethodVisitor implements Metho
 
 	protected final Set<MethodMetadata> methodMetadataSet;
 
-	protected final MultiValueMap<String, AnnotationAttributes> attributeMap =
+	protected final Map<String, Set<String>> metaAnnotationMap = new LinkedHashMap<String, Set<String>>(4);
+
+	protected final LinkedMultiValueMap<String, AnnotationAttributes> attributesMap =
 			new LinkedMultiValueMap<String, AnnotationAttributes>(4);
 
 
@@ -77,7 +79,8 @@ public class MethodMetadataReadingVisitor extends MethodVisitor implements Metho
 	public AnnotationVisitor visitAnnotation(final String desc, boolean visible) {
 		String className = Type.getType(desc).getClassName();
 		this.methodMetadataSet.add(this);
-		return new AnnotationAttributesReadingVisitor(className, this.attributeMap, null, this.classLoader);
+		return new AnnotationAttributesReadingVisitor(
+				className, this.attributesMap, this.metaAnnotationMap, this.classLoader);
 	}
 
 	@Override
@@ -107,19 +110,19 @@ public class MethodMetadataReadingVisitor extends MethodVisitor implements Metho
 
 	@Override
 	public boolean isAnnotated(String annotationName) {
-		return this.attributeMap.containsKey(annotationName);
+		return this.attributesMap.containsKey(annotationName);
 	}
 
 	@Override
-	public Map<String, Object> getAnnotationAttributes(String annotationName) {
+	public AnnotationAttributes getAnnotationAttributes(String annotationName) {
 		return getAnnotationAttributes(annotationName, false);
 	}
 
 	@Override
-	public Map<String, Object> getAnnotationAttributes(String annotationName, boolean classValuesAsString) {
-		List<AnnotationAttributes> attributes = this.attributeMap.get(annotationName);
-		return (attributes == null ? null : AnnotationReadingVisitorUtils.convertClassValues(
-				this.classLoader, attributes.get(0), classValuesAsString));
+	public AnnotationAttributes getAnnotationAttributes(String annotationName, boolean classValuesAsString) {
+		AnnotationAttributes raw = AnnotationReadingVisitorUtils.getMergedAnnotationAttributes(
+				this.attributesMap, this.metaAnnotationMap, annotationName);
+		return (AnnotationReadingVisitorUtils.convertClassValues(this.classLoader, raw, classValuesAsString));
 	}
 
 	@Override
@@ -129,11 +132,11 @@ public class MethodMetadataReadingVisitor extends MethodVisitor implements Metho
 
 	@Override
 	public MultiValueMap<String, Object> getAllAnnotationAttributes(String annotationName, boolean classValuesAsString) {
-		if (!this.attributeMap.containsKey(annotationName)) {
+		if (!this.attributesMap.containsKey(annotationName)) {
 			return null;
 		}
 		MultiValueMap<String, Object> allAttributes = new LinkedMultiValueMap<String, Object>();
-		for (AnnotationAttributes annotationAttributes : this.attributeMap.get(annotationName)) {
+		for (AnnotationAttributes annotationAttributes : this.attributesMap.get(annotationName)) {
 			for (Map.Entry<String, Object> entry : AnnotationReadingVisitorUtils.convertClassValues(
 					this.classLoader, annotationAttributes, classValuesAsString).entrySet()) {
 				allAttributes.add(entry.getKey(), entry.getValue());