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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.*;
import proguard.classfile.attribute.*;
import proguard.classfile.attribute.visitor.*;

/**
 * This {@link AttributeVisitor} lets a given {@link ClassVisitor} visit all the
 * classes referenced by the type descriptors of the signatures that it visits.
 *
 * @author Joachim Vandersmissen
 */
public class SignatureAttributeReferencedClassVisitor
implements   AttributeVisitor
{
    private final ClassVisitor classVisitor;


    public SignatureAttributeReferencedClassVisitor(ClassVisitor classVisitor)
    {
        this.classVisitor = classVisitor;
    }


    // Implementations for AttributeVisitor

    public void visitAnyAttribute(Clazz clazz, Attribute attribute) {}


    public void visitSignatureAttribute(Clazz clazz,
                                        SignatureAttribute signatureAttribute)
    {
        signatureAttribute.referencedClassesAccept(classVisitor);
    }
}