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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.module;

import proguard.classfile.*;
import proguard.classfile.constant.visitor.ConstantVisitor;
import proguard.util.SimpleProcessable;

/**
 * Representation of a Provides entry in a {@link Module} attribute.
 *
 * @author Joachim Vandersmissen
 */
public class ProvidesInfo extends SimpleProcessable {
  public int u2providesIndex;
  public int u2providesWithCount;
  public int[] u2providesWithIndex;

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

  /** Creates an initialized ProvidesInfo. */
  public ProvidesInfo(int u2providesIndex, int u2providesWithCount, int[] u2providesWithIndex) {
    this.u2providesIndex = u2providesIndex;
    this.u2providesWithCount = u2providesWithCount;
    this.u2providesWithIndex = u2providesWithIndex;
  }

  /** Applies the given constant pool visitor to the class constant of the provides, if any. */
  public void providesAccept(Clazz clazz, ConstantVisitor constantVisitor) {
    if (u2providesIndex != 0) {
      clazz.constantPoolEntryAccept(u2providesIndex, constantVisitor);
    }
  }

  /** Applies the given constant pool visitor to all with entries. */
  public void withAccept(Clazz clazz, ConstantVisitor constantVisitor) {
    // Loop over all u2providesWithIndex entries.
    for (int index = 0; index < u2providesWithCount; index++) {
      clazz.constantPoolEntryAccept(u2providesWithIndex[index], constantVisitor);
    }
  }
}