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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.visitor;

import proguard.classfile.Clazz;

import java.util.Collection;

/**
 * This {@link ClassVisitor} collects the classes that it visits in the
 * given collection.
 *
 * @author Eric Lafortune
 */
public class ClassCollector
implements   ClassVisitor
{
    private final Collection collection;


    /**
     * Creates a new ClassCollector.
     * @param collection the Collection in which all classes will be collected.
     */
    public ClassCollector(Collection collection)
    {
        this.collection = collection;
    }


    // Implementations for ClassVisitor.

    @Override
    public void visitAnyClass(Clazz clazz)
    {
        collection.add(clazz);
    }
}