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/* *******************************************************************
* Copyright (c) 2005, 2017 Contributors.
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0
* which accompanies this distribution and is available at
* http://eclipse.org/legal/epl-v10.html
*
* ******************************************************************/
package org.aspectj.weaver.reflect;
import java.lang.reflect.Member;
import org.aspectj.weaver.AnnotationAJ;
import org.aspectj.weaver.MemberKind;
import org.aspectj.weaver.ResolvedMember;
import org.aspectj.weaver.ResolvedMemberImpl;
import org.aspectj.weaver.ResolvedType;
import org.aspectj.weaver.UnresolvedType;
/**
* Subtype of ResolvedMemberImpl used in reflection world. Knows how to get annotations from a java.lang.reflect.Member
*
* @author Adrian Colyer
* @author Andy Clement
*/
public class ReflectionBasedResolvedMemberImpl extends ResolvedMemberImpl {
private AnnotationFinder annotationFinder = null;
private GenericSignatureInformationProvider gsigInfoProvider = new Java14GenericSignatureInformationProvider();
/**
* If true then only runtime visible annotations have been resolved via reflection. If class retention
* annotations are also required (later) then the cache will have to be rebuilt using a more detailed
* dig into the class file.
*/
private boolean onlyRuntimeAnnotationsCached;
private Member reflectMember;
public ReflectionBasedResolvedMemberImpl(MemberKind kind, UnresolvedType declaringType, int modifiers,
UnresolvedType returnType, String name, UnresolvedType[] parameterTypes, Member reflectMember) {
super(kind, declaringType, modifiers, returnType, name, parameterTypes);
this.reflectMember = reflectMember;
}
public ReflectionBasedResolvedMemberImpl(MemberKind kind, UnresolvedType declaringType, int modifiers,
UnresolvedType returnType, String name, UnresolvedType[] parameterTypes, UnresolvedType[] checkedExceptions,
Member reflectMember) {
super(kind, declaringType, modifiers, returnType, name, parameterTypes, checkedExceptions);
this.reflectMember = reflectMember;
}
public ReflectionBasedResolvedMemberImpl(MemberKind kind, UnresolvedType declaringType, int modifiers,
UnresolvedType returnType, String name, UnresolvedType[] parameterTypes, UnresolvedType[] checkedExceptions,
ResolvedMember backingGenericMember, Member reflectMember) {
super(kind, declaringType, modifiers, returnType, name, parameterTypes, checkedExceptions, backingGenericMember);
this.reflectMember = reflectMember;
}
public ReflectionBasedResolvedMemberImpl(MemberKind kind, UnresolvedType declaringType, int modifiers, String name,
String signature, Member reflectMember) {
super(kind, declaringType, modifiers, name, signature);
this.reflectMember = reflectMember;
}
public Member getMember() {
return this.reflectMember;
}
public void setGenericSignatureInformationProvider(GenericSignatureInformationProvider gsigProvider) {
this.gsigInfoProvider = gsigProvider;
}
@Override
public UnresolvedType[] getGenericParameterTypes() {
return this.gsigInfoProvider.getGenericParameterTypes(this);
}
@Override
public UnresolvedType getGenericReturnType() {
return this.gsigInfoProvider.getGenericReturnType(this);
}
@Override
public boolean isSynthetic() {
return this.gsigInfoProvider.isSynthetic(this);
}
@Override
public boolean isVarargsMethod() {
return this.gsigInfoProvider.isVarArgs(this);
}
@Override
public boolean isBridgeMethod() {
return this.gsigInfoProvider.isBridge(this);
}
public void setAnnotationFinder(AnnotationFinder finder) {
this.annotationFinder = finder;
}
@Override
public boolean hasAnnotation(UnresolvedType ofType) {
boolean areRuntimeRetentionAnnotationsSufficient = false;
if (ofType instanceof ResolvedType) {
areRuntimeRetentionAnnotationsSufficient = ((ResolvedType)ofType).isAnnotationWithRuntimeRetention();
}
unpackAnnotations(areRuntimeRetentionAnnotationsSufficient);
return super.hasAnnotation(ofType);
}
@Override
public boolean hasAnnotations() {
unpackAnnotations(false);
return super.hasAnnotations();
}
@Override
public ResolvedType[] getAnnotationTypes() {
unpackAnnotations(false);
return super.getAnnotationTypes();
}
@Override
public AnnotationAJ getAnnotationOfType(UnresolvedType ofType) {
unpackAnnotations(false);
if (annotationFinder == null || annotationTypes == null) {
return null;
}
for (ResolvedType type : annotationTypes) {
if (type.getSignature().equals(ofType.getSignature())) {
return annotationFinder.getAnnotationOfType(ofType, reflectMember);
}
}
return null;
}
@Override
public String getAnnotationDefaultValue() {
if (annotationFinder == null) {
return null;
}
return annotationFinder.getAnnotationDefaultValue(reflectMember);
}
@Override
public ResolvedType[][] getParameterAnnotationTypes() {
if (parameterAnnotationTypes == null && annotationFinder != null) {
parameterAnnotationTypes = annotationFinder.getParameterAnnotationTypes(reflectMember);
}
return parameterAnnotationTypes;
}
private void unpackAnnotations(boolean areRuntimeRetentionAnnotationsSufficient) {
if (annotationFinder != null && (annotationTypes == null || (!areRuntimeRetentionAnnotationsSufficient && onlyRuntimeAnnotationsCached))) {
annotationTypes = annotationFinder.getAnnotations(reflectMember, areRuntimeRetentionAnnotationsSufficient);
onlyRuntimeAnnotationsCached = areRuntimeRetentionAnnotationsSufficient;
}
}
}
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