/*
* Copyright 2012-2016 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.
* 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.glowroot.agent.weaving.preinit;
import java.util.Arrays;
import javax.annotation.Nullable;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.MethodVisitor;
import static org.objectweb.asm.Opcodes.ASM5;
// from org.objectweb.asm.commons.RemappingClassAdapter
class MyRemappingClassAdapter extends ClassVisitor {
private final ClassCollector typeCollector;
private @Nullable String internalName;
MyRemappingClassAdapter(ClassCollector remapper) {
super(ASM5);
this.typeCollector = remapper;
}
@Override
public void visit(int version, int access, String internalName, @Nullable String signature,
@Nullable String superInternalName, String[] interfaces) {
this.internalName = internalName;
typeCollector.setSuperInternalNames(superInternalName);
typeCollector.setInterfaceTypes(Arrays.asList(interfaces));
}
@Override
public MethodVisitor visitMethod(int access, String name, String desc,
@Nullable String signature, String /*@Nullable*/[] exceptions) {
ReferencedMethod referencedMethod = ReferencedMethod.create(internalName, name, desc);
MethodCollector methodCollector = new MethodCollector();
if (exceptions != null) {
for (String exception : exceptions) {
methodCollector.map(exception);
}
}
typeCollector.addMethod(referencedMethod, methodCollector);
return new MyRemappingMethodAdapter(access, desc, methodCollector);
}
}