001    /*
002     * Copyright 2002-2008 the original author or authors.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not
005     * use this file except in compliance with the License. You may obtain a copy of
006     * the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
012     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013     * License for the specific language governing permissions and limitations under
014     * the License.
015     */
016    package org.springframework.richclient.table;
017    
018    import java.util.Comparator;
019    
020    /**
021     * {@link Comparator} implementation that compares the {@link #toString()} representation of the argument.
022     *  
023     * @author Peter De Bruycker
024     */
025    public class ToStringComparator implements Comparator {
026    
027        public static final ToStringComparator INSTANCE = new ToStringComparator();
028        
029        public int compare(Object o1, Object o2) {
030            String s1 = o1.toString();
031            String s2 = o2.toString();
032            
033            return s1.compareTo(s2);
034        }
035        
036    }