/*
* Copyright 2016, Stuart Douglas, and individual contributors as indicated
* by the @authors tag.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.fakereplace.replacement;
import java.lang.instrument.IllegalClassFormatException;
import java.security.ProtectionDomain;
import java.util.Set;
import org.fakereplace.data.AnnotationDataStore;
import org.fakereplace.replacement.notification.ChangedClassImpl;
import org.fakereplace.transformation.FakereplaceTransformer;
import javassist.bytecode.AnnotationsAttribute;
import javassist.bytecode.BadBytecode;
import javassist.bytecode.ClassFile;
import javassist.bytecode.DuplicateMemberException;
import javassist.bytecode.MethodInfo;
/**
* @author Stuart Douglas
*/
public class AnnotationTransformer implements FakereplaceTransformer {
@Override
public boolean transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, ClassFile file, Set<Class<?>> classesToRetransform, ChangedClassImpl changedClass, Set<MethodInfo> modifiedMethods) throws IllegalClassFormatException, BadBytecode, DuplicateMemberException {
if(classBeingRedefined != null) {
AnnotationsAttribute newAns = (AnnotationsAttribute) file.getAttribute(AnnotationsAttribute.visibleTag);
AnnotationDataStore.recordClassAnnotations(classBeingRedefined, newAns, changedClass);
file.addAttribute(AnnotationReplacer.duplicateAnnotationsAttribute(file.getConstPool(), classBeingRedefined));
}
return false;
}
}