001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.googleapps.comparator;
016    
017    import com.liferay.portal.kernel.googleapps.GGroup;
018    
019    import java.util.Comparator;
020    
021    /**
022     * @author Brian Wing Shun Chan
023     */
024    public class GGroupEmailAddressComparator implements Comparator<GGroup> {
025    
026            public GGroupEmailAddressComparator() {
027                    this(true);
028            }
029    
030            public GGroupEmailAddressComparator(boolean ascending) {
031                    _ascending = ascending;
032            }
033    
034            @Override
035            public int compare(GGroup user1, GGroup user2) {
036                    String emailAddress1 = user1.getEmailAddress();
037                    String emailAddress2 = user2.getEmailAddress();
038    
039                    int value = emailAddress1.compareTo(emailAddress2);
040    
041                    if (_ascending) {
042                            return value;
043                    }
044                    else {
045                            return -value;
046                    }
047            }
048    
049            private boolean _ascending;
050    
051    }