plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/commons/RemappingClassAdapter.java

// 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.apache.tapestry5.internal.plastic.asm.commons;

import org.apache.tapestry5.internal.plastic.asm.AnnotationVisitor;
import org.apache.tapestry5.internal.plastic.asm.ClassVisitor;
import org.apache.tapestry5.internal.plastic.asm.FieldVisitor;
import org.apache.tapestry5.internal.plastic.asm.MethodVisitor;
import org.apache.tapestry5.internal.plastic.asm.ModuleVisitor;
import org.apache.tapestry5.internal.plastic.asm.Opcodes;
import org.apache.tapestry5.internal.plastic.asm.TypePath;

/**
 * A {@link ClassVisitor} for type remapping.
 *
 * @deprecated use {@link ClassRemapper} instead.
 * @author Eugene Kuleshov
 */
@Deprecated
public class RemappingClassAdapter extends ClassVisitor {

  protected final Remapper remapper;

  protected String className;

  public RemappingClassAdapter(final ClassVisitor classVisitor, final Remapper remapper) {
    this(Opcodes.ASM6, classVisitor, remapper);
  }

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

  @Override
  public void visit(
      final int version,
      final int access,
      final String name,
      final String signature,
      final String superName,
      final 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 ModuleVisitor visitModule(final String name, final int flags, final String version) {
    throw new RuntimeException("RemappingClassAdapter is deprecated, use ClassRemapper instead");
  }

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

  @Override
  public AnnotationVisitor visitTypeAnnotation(
      final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
    AnnotationVisitor annotationVisitor =
        super.visitTypeAnnotation(typeRef, typePath, remapper.mapDesc(descriptor), visible);
    return annotationVisitor == null ? null : createRemappingAnnotationAdapter(annotationVisitor);
  }

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

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

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

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

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

  protected MethodVisitor createRemappingMethodAdapter(
      final int access, final String newDescriptor, final MethodVisitor methodVisitior) {
    return new RemappingMethodAdapter(access, newDescriptor, methodVisitior, remapper);
  }

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