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/* *******************************************************************
* Copyright (c) 2005 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
*
* Contributors:
* Adrian Colyer Initial implementation
* ******************************************************************/
package org.aspectj.weaver.reflect;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import org.aspectj.weaver.UnresolvedType;
import org.aspectj.weaver.World;
/**
* Uses Java 1.5 reflection APIs to determine generic signatures
*/
public class Java15GenericSignatureInformationProvider implements
GenericSignatureInformationProvider {
private final World world;
public Java15GenericSignatureInformationProvider(World forWorld) {
this.world = forWorld;
}
/* (non-Javadoc)
* @see org.aspectj.weaver.reflect.GenericSignatureInformationProvider#getGenericParameterTypes(org.aspectj.weaver.reflect.ReflectionBasedResolvedMemberImpl)
*/
public UnresolvedType[] getGenericParameterTypes(
ReflectionBasedResolvedMemberImpl resolvedMember) {
JavaLangTypeToResolvedTypeConverter typeConverter = new JavaLangTypeToResolvedTypeConverter(world);
Type[] pTypes = new Type[0];
Member member = resolvedMember.getMember();
if (member instanceof Method) {
pTypes = ((Method)member).getGenericParameterTypes();
} else if (member instanceof Constructor) {
pTypes = ((Constructor)member).getGenericParameterTypes();
}
return typeConverter.fromTypes(pTypes);
}
/* (non-Javadoc)
* @see org.aspectj.weaver.reflect.GenericSignatureInformationProvider#getGenericReturnType(org.aspectj.weaver.reflect.ReflectionBasedResolvedMemberImpl)
*/
public UnresolvedType getGenericReturnType(
ReflectionBasedResolvedMemberImpl resolvedMember) {
JavaLangTypeToResolvedTypeConverter typeConverter = new JavaLangTypeToResolvedTypeConverter(world);
Member member = resolvedMember.getMember();
if (member instanceof Field) {
return typeConverter.fromType(((Field)member).getGenericType());
} else if (member instanceof Method) {
return typeConverter.fromType(((Method)member).getGenericReturnType());
} else if (member instanceof Constructor) {
return typeConverter.fromType(((Constructor)member).getDeclaringClass());
} else {
throw new IllegalStateException("unexpected member type: " + member);
}
}
/* (non-Javadoc)
* @see org.aspectj.weaver.reflect.GenericSignatureInformationProvider#isBridge()
*/
public boolean isBridge(ReflectionBasedResolvedMemberImpl resolvedMember) {
Member member = resolvedMember.getMember();
if (member instanceof Method) {
return ((Method)member).isBridge();
} else {
return false;
}
}
/* (non-Javadoc)
* @see org.aspectj.weaver.reflect.GenericSignatureInformationProvider#isVarArgs()
*/
public boolean isVarArgs(ReflectionBasedResolvedMemberImpl resolvedMember) {
Member member = resolvedMember.getMember();
if (member instanceof Method) {
return ((Method)member).isVarArgs();
} else if (member instanceof Constructor) {
return ((Constructor)member).isVarArgs();
} else {
return false;
}
}
/* (non-Javadoc)
* @see org.aspectj.weaver.reflect.GenericSignatureInformationProvider#isSynthetic()
*/
public boolean isSynthetic(ReflectionBasedResolvedMemberImpl resolvedMember) {
Member member = resolvedMember.getMember();
return member.isSynthetic();
}
}
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