| GUserUserIdComparator.java |
1 /**
2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License as published by the Free
6 * Software Foundation; either version 2.1 of the License, or (at your option)
7 * any later version.
8 *
9 * This library is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 * details.
13 */
14
15 package com.liferay.portal.googleapps.comparator;
16
17 import com.liferay.portal.googleapps.GUser;
18
19 import java.util.Comparator;
20
21 /**
22 * <a href="GUserUserIdComparator.java.html"><b><i>View Source</i></b></a>
23 *
24 * @author Brian Wing Shun Chan
25 */
26 public class GUserUserIdComparator implements Comparator<GUser> {
27
28 public GUserUserIdComparator() {
29 this(true);
30 }
31
32 public GUserUserIdComparator(boolean ascending) {
33 _ascending = ascending;
34 }
35
36 public int compare(GUser user1, GUser user2) {
37 long userId1 = user1.getUserId();
38 long userId2 = user2.getUserId();
39
40 int value = 0;
41
42 if (userId1 < userId2) {
43 value = -1;
44 }
45 else if (userId1 > userId2) {
46 value = 1;
47 }
48
49 if (_ascending) {
50 return value;
51 }
52 else {
53 return -value;
54 }
55 }
56
57 private boolean _ascending;
58
59 }