| StateComparator.java |
1 /**
2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * 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 */
22
23 package com.liferay.portlet.mail.util.comparator;
24
25 import com.liferay.portal.kernel.util.DateUtil;
26 import com.liferay.portlet.mail.model.MailEnvelope;
27
28 import java.util.Comparator;
29
30 /**
31 * <a href="StateComparator.java.html"><b><i>View Source</i></b></a>
32 *
33 * @author Alexander Chow
34 *
35 */
36 public class StateComparator implements Comparator {
37
38 public StateComparator(boolean asc) {
39 _asc = asc;
40 }
41
42 public int compare(Object obj1, Object obj2) {
43 MailEnvelope mailEnvelope1 = (MailEnvelope)obj1;
44 MailEnvelope mailEnvelope2 = (MailEnvelope)obj2;
45
46 int value = 0;
47
48 if (!mailEnvelope1.isRead() && mailEnvelope2.isRead()) {
49 value = 1;
50 }
51 else if (mailEnvelope1.isRead() && !mailEnvelope2.isRead()) {
52 value = -1;
53 }
54 else if (mailEnvelope1.isRead() && mailEnvelope2.isRead()) {
55 if (!mailEnvelope1.isAnswered() && mailEnvelope2.isAnswered()) {
56 value = 1;
57 }
58 else {
59 value = -1;
60 }
61 }
62
63 if (value == 0) {
64 value = DateUtil.compareTo(
65 mailEnvelope1.getDate(), mailEnvelope2.getDate());
66
67 if (value == 0) {
68 Long messageId1 = new Long(mailEnvelope2.getMessageId());
69 Long messageId2 = new Long(mailEnvelope2.getMessageId());
70
71 value = messageId1.compareTo(messageId2);
72 }
73 }
74
75 if (_asc) {
76 return value;
77 }
78 else {
79 return -value;
80 }
81 }
82
83 private boolean _asc;
84
85 }