01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * furnished to do so, subject to the following conditions:
10: *
11: * The above copyright notice and this permission notice shall be included in
12: * all copies or substantial portions of the Software.
13: *
14: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17: * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20: * SOFTWARE.
21: */package com.liferay.portal.util.comparator;
22:
23: import com.liferay.portal.kernel.util.OrderByComparator;
24: import com.liferay.portal.model.User;
25:
26: /**
27: * <a href="UserScreenNameComparator.java.html"><b><i>View Source</i></b></a>
28: *
29: * @author Brian Wing Shun Chan
30: *
31: */
32: public class UserScreenNameComparator extends OrderByComparator {
33:
34: public static String ORDER_BY_ASC = "User_.screenName ASC";
35:
36: public static String ORDER_BY_DESC = "User_.screenName DESC";
37:
38: public UserScreenNameComparator() {
39: this (false);
40: }
41:
42: public UserScreenNameComparator(boolean asc) {
43: _asc = asc;
44: }
45:
46: public int compare(Object obj1, Object obj2) {
47: User user1 = (User) obj1;
48: User user2 = (User) obj2;
49:
50: int value = user1.getScreenName().compareTo(
51: user2.getScreenName());
52:
53: if (_asc) {
54: return value;
55: } else {
56: return -value;
57: }
58: }
59:
60: public String getOrderBy() {
61: if (_asc) {
62: return ORDER_BY_ASC;
63: } else {
64: return ORDER_BY_DESC;
65: }
66: }
67:
68: private boolean _asc;
69:
70: }
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