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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.ModuleVisitor;
import org.objectweb.asm.Opcodes;

/**
 * A {@link ModuleVisitor} adapter for type remapping.
 *
 * @author Remi Forax
 */
public class ModuleRemapper extends ModuleVisitor {
  private final Remapper remapper;

  public ModuleRemapper(final ModuleVisitor mv, final Remapper remapper) {
    this(Opcodes.ASM6, mv, remapper);
  }

  protected ModuleRemapper(final int api, final ModuleVisitor mv, final Remapper remapper) {
    super(api, mv);
    this.remapper = remapper;
  }

  @Override
  public void visitMainClass(String mainClass) {
    super.visitMainClass(remapper.mapType(mainClass));
  }

  @Override
  public void visitPackage(String packaze) {
    super.visitPackage(remapper.mapPackageName(packaze));
  }

  @Override
  public void visitRequire(String module, int access, String version) {
    super.visitRequire(remapper.mapModuleName(module), access, version);
  }

  @Override
  public void visitExport(String packaze, int access, String... modules) {
    String[] newModules = null;
    if (modules != null) {
      newModules = new String[modules.length];
      for (int i = 0; i < modules.length; i++) {
        newModules[i] = remapper.mapModuleName(modules[i]);
      }
    }
    super.visitExport(remapper.mapPackageName(packaze), access, newModules);
  }

  @Override
  public void visitOpen(String packaze, int access, String... modules) {
    String[] newModules = null;
    if (modules != null) {
      newModules = new String[modules.length];
      for (int i = 0; i < modules.length; i++) {
        newModules[i] = remapper.mapModuleName(modules[i]);
      }
    }
    super.visitOpen(remapper.mapPackageName(packaze), access, newModules);
  }

  @Override
  public void visitUse(String service) {
    super.visitUse(remapper.mapType(service));
  }

  @Override
  public void visitProvide(String service, String... providers) {
    String[] newProviders = new String[providers.length];
    for (int i = 0; i < providers.length; i++) {
      newProviders[i] = remapper.mapType(providers[i]);
    }
    super.visitProvide(remapper.mapType(service), newProviders);
  }
}