001 /**
002 *
003 * Copyright 2004 Protique Ltd
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 *
017 **/
018 package org.activemq.util;
019
020 import java.io.Serializable;
021 import java.util.Comparator;
022
023 /**
024 * A trivial default {@link Comparator} which only works on objects
025 * which are {@link Comparable}
026 *
027 * @version $Revision: 1.1.1.1 $
028 */
029 public class DefaultComparator implements Comparator, Serializable {
030 final static long serialVersionUID = 1L;
031
032 public int compare(Object o1, Object o2) {
033 Comparable c1 = (Comparable) o1;
034 return c1.compareTo(o2);
035 }
036 }