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/*
 * FindBugs - Find Bugs in Java programs
 * Copyright (C) 2005, University of Maryland
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.findbugs.model;

import java.io.Serializable;

/**
 * ClassNameRewriter that leaves classe names unchanged.
 *
 * @author David Hovemeyer
 */
public class IdentityClassNameRewriter implements ClassNameRewriter, Serializable {

    private static final IdentityClassNameRewriter theInstance = new IdentityClassNameRewriter();

    private static final long serialVersionUID = 1L;

    /**
     * Get the single instance.
     *
     * @return the instance
     */
    public static IdentityClassNameRewriter instance() {
        return theInstance;
    }

    /**
     * @see edu.umd.cs.findbugs.model.ClassNameRewriter#rewriteClassName(java.lang.String)
     */
    @Override
    public String rewriteClassName(String className) {
        if (className.indexOf('+') >= 0) {
            className = className.replace('+', '$');
        }
        return className;
    }

}