/***

 * 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;

import org.objectweb.asm.TypePath;

/**

 * 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.ASM5, 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 = super.visitAnnotation(remapper.mapDesc(desc),

                visible);

        return av == null ? null : createRemappingAnnotationAdapter(av);

    }

    @Override

    public AnnotationVisitor visitTypeAnnotation(int typeRef,

            TypePath typePath, String desc, boolean visible) {

        AnnotationVisitor av = super.visitTypeAnnotation(typeRef, typePath,

                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);

    }

}