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.portlet.mail.util.comparator;
22:
23: import com.liferay.portal.kernel.util.DateUtil;
24: import com.liferay.portlet.mail.model.MailEnvelope;
25:
26: import java.util.Comparator;
27:
28: /**
29: * <a href="DateComparator.java.html"><b><i>View Source</i></b></a>
30: *
31: * @author Alexander Chow
32: *
33: */
34: public class DateComparator implements Comparator {
35:
36: public DateComparator(boolean asc) {
37: _asc = asc;
38: }
39:
40: public int compare(Object obj1, Object obj2) {
41: MailEnvelope mailEvenlope1 = (MailEnvelope) obj1;
42: MailEnvelope mailEvenlope2 = (MailEnvelope) obj2;
43:
44: int value = DateUtil.compareTo(mailEvenlope1.getDate(),
45: mailEvenlope2.getDate());
46:
47: if (value == 0) {
48: Long messageId1 = new Long(mailEvenlope1.getMessageId());
49: Long messageId2 = new Long(mailEvenlope2.getMessageId());
50:
51: value = messageId1.compareTo(messageId2);
52: }
53:
54: if (_asc) {
55: return value;
56: } else {
57: return -value;
58: }
59: }
60:
61: private boolean _asc;
62:
63: }
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