ASM: a very small and fast Java bytecode manipulation framework
Copyright (c) 2000-2011 INRIA, France Telecom
All rights reserved.
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modification, are permitted provided that the following conditions
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2. Redistributions in binary form must reproduce the above copyright
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   documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.
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/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2011 INRIA, France Telecom
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.objectweb.asm.commons;

import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;

A ClassVisitor for type remapping. 
Author:
Eugene Kuleshov/**
 * A {@link ClassVisitor} for type remapping.
 * 
 * @author Eugene Kuleshov
 */
public class RemappingClassAdapter extends ClassVisitor {

    protected final Remapper remapper;

    protected String className;

    public RemappingClassAdapter(final ClassVisitor cv, final Remapper remapper) {
        this(Opcodes.ASM4, cv, remapper);
    }

    protected RemappingClassAdapter(final int api, final ClassVisitor cv,
            final Remapper remapper) {
        super(api, cv);
        this.remapper = remapper;
    }

    @Override
    public void visit(int version, int access, String name, String signature,
            String superName, String[] interfaces) {
        this.className = name;
        super.visit(version, access, remapper.mapType(name), remapper
                .mapSignature(signature, false), remapper.mapType(superName),
                interfaces == null ? null : remapper.mapTypes(interfaces));
    }

    @Override
    public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
        AnnotationVisitor av;
        av = super.visitAnnotation(remapper.mapDesc(desc), visible);
        return av == null ? null : createRemappingAnnotationAdapter(av);
    }

    @Override
    public FieldVisitor visitField(int access, String name, String desc,
            String signature, Object value) {
        FieldVisitor fv = super.visitField(access,
                remapper.mapFieldName(className, name, desc),
                remapper.mapDesc(desc), remapper.mapSignature(signature, true),
                remapper.mapValue(value));
        return fv == null ? null : createRemappingFieldAdapter(fv);
    }

    @Override
    public MethodVisitor visitMethod(int access, String name, String desc,
            String signature, String[] exceptions) {
        String newDesc = remapper.mapMethodDesc(desc);
        MethodVisitor mv = super.visitMethod(access, remapper.mapMethodName(
                className, name, desc), newDesc, remapper.mapSignature(
                signature, false),
                exceptions == null ? null : remapper.mapTypes(exceptions));
        return mv == null ? null : createRemappingMethodAdapter(access,
                newDesc, mv);
    }

    @Override
    public void visitInnerClass(String name, String outerName,
            String innerName, int access) {
        // TODO should innerName be changed?
        super.visitInnerClass(remapper.mapType(name), outerName == null ? null
                : remapper.mapType(outerName), innerName, access);
    }

    @Override
    public void visitOuterClass(String owner, String name, String desc) {
        super.visitOuterClass(remapper.mapType(owner), name == null ? null
                : remapper.mapMethodName(owner, name, desc),
                desc == null ? null : remapper.mapMethodDesc(desc));
    }

    protected FieldVisitor createRemappingFieldAdapter(FieldVisitor fv) {
        return new RemappingFieldAdapter(fv, remapper);
    }

    protected MethodVisitor createRemappingMethodAdapter(int access,
            String newDesc, MethodVisitor mv) {
        return new RemappingMethodAdapter(access, newDesc, mv, remapper);
    }

    protected AnnotationVisitor createRemappingAnnotationAdapter(
            AnnotationVisitor av) {
        return new RemappingAnnotationAdapter(av, remapper);
    }
}