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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.attribute;

import proguard.classfile.Clazz;
import proguard.classfile.attribute.visitor.AttributeVisitor;

/**
 * This {@link Attribute} represents a nest host attribute.
 *
 * @author Eric Lafortune
 */
public class NestHostAttribute extends Attribute {
  public int u2hostClassIndex;

  /** Creates an uninitialized NestHostAttribute. */
  public NestHostAttribute() {}

  /** Creates an initialized NestHostAttribute. */
  public NestHostAttribute(int u2attributeNameIndex, int u2hostClassIndex) {
    super(u2attributeNameIndex);

    this.u2hostClassIndex = u2hostClassIndex;
  }

  /** Returns the host class name. */
  public String getHostClassName(Clazz clazz) {
    return clazz.getClassName(u2hostClassIndex);
  }

  // Implementations for Attribute.

  public void accept(Clazz clazz, AttributeVisitor attributeVisitor) {
    attributeVisitor.visitNestHostAttribute(clazz, this);
  }
}