/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.commons.jxpath.util;
import java.io.Serializable;
import java.util.Comparator;
/**
* Reverse comparator.
*
* @author Dmitri Plotnikov
* @version $Revision: 668329 $ $Date: 2008-06-16 16:59:48 -0500 (Mon, 16 Jun 2008) $
*/
public final class ReverseComparator implements Comparator, Serializable {
private static final long serialVersionUID = -2795475743948616649L;
/**
* Singleton reverse comparator instance.
*/
public static final Comparator INSTANCE = new ReverseComparator();
/**
* Create a new ReverseComparator.
*/
private ReverseComparator() {
}
public int compare(Object o1, Object o2) {
return ((Comparable) o2).compareTo(o1);
}
}
|