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 }