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path: root/src/proguard/classfile/visitor/VariableMemberVisitor.java
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/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification
 *             of Java bytecode.
 *
 * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.classfile.visitor;

import proguard.classfile.*;


/**
 * This MemberVisitor     delegates all method calls to a MemberVisitor
 * that can be changed at any time.
 *
 * @author Eric Lafortune
 */
public class VariableMemberVisitor implements MemberVisitor
{
    private MemberVisitor memberVisitor;


    public VariableMemberVisitor()
    {
        this(null);
    }


    public VariableMemberVisitor(MemberVisitor memberVisitor)
    {
        this.memberVisitor = memberVisitor;
    }


    public void setMemberVisitor(MemberVisitor memberVisitor)
    {
        this.memberVisitor = memberVisitor;
    }

    public MemberVisitor getMemberVisitor()
    {
        return memberVisitor;
    }


    // Implementations for MemberVisitor.

    public void visitProgramField(ProgramClass programClass, ProgramField programField)
    {
        if (memberVisitor != null)
        {
            memberVisitor.visitProgramField(programClass, programField);
        }
    }


    public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
    {
        if (memberVisitor != null)
        {
            memberVisitor.visitProgramMethod(programClass, programMethod);
        }
    }


    public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField)
    {
        if (memberVisitor != null)
        {
            memberVisitor.visitLibraryField(libraryClass, libraryField);
        }
    }


    public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod)
    {
        if (memberVisitor != null)
        {
            memberVisitor.visitLibraryMethod(libraryClass, libraryMethod);
        }
    }
}