001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.kernel.googleapps.comparator;
016    
017    import com.liferay.portal.kernel.googleapps.GUser;
018    
019    import java.util.Comparator;
020    
021    /**
022     * @author Brian Wing Shun Chan
023     */
024    public class GUserUserIdComparator implements Comparator<GUser> {
025    
026            public GUserUserIdComparator() {
027                    this(true);
028            }
029    
030            public GUserUserIdComparator(boolean ascending) {
031                    _ascending = ascending;
032            }
033    
034            public int compare(GUser user1, GUser user2) {
035                    long userId1 = user1.getUserId();
036                    long userId2 = user2.getUserId();
037    
038                    int value = 0;
039    
040                    if (userId1 < userId2) {
041                            value = -1;
042                    }
043                    else if (userId1 > userId2) {
044                            value = 1;
045                    }
046    
047                    if (_ascending) {
048                            return value;
049                    }
050                    else {
051                            return -value;
052                    }
053            }
054    
055            private boolean _ascending;
056    
057    }