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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2020 Guardsquare NV
 *
 * 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 proguard.classfile.editor;

import proguard.classfile.*;
import proguard.classfile.visitor.ClassVisitor;

/**
 * This {@link ClassVisitor} adds all classes that it visits to the list of subclasses of the given
 * target class.
 *
 * @author Eric Lafortune
 */
public class SubclassToAdder implements ClassVisitor {
  private final Clazz targetClass;

  /** Creates a new SubclassAdder that will add subclasses to the given target class. */
  public SubclassToAdder(Clazz targetClass) {
    this.targetClass = targetClass;
  }

  // Implementations for ClassVisitor.

  @Override
  public void visitAnyClass(Clazz clazz) {
    targetClass.addSubClass(clazz);
  }
}