| MessageCreateDateComparator.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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.messageboards.util.comparator;
24
25 import com.liferay.portal.kernel.util.DateUtil;
26 import com.liferay.portal.kernel.util.OrderByComparator;
27 import com.liferay.portlet.messageboards.model.MBMessage;
28
29 /**
30 * <a href="MessageCreateDateComparator.java.html"><b><i>View Source</i></b></a>
31 *
32 * @author Brian Wing Shun Chan
33 */
34 public class MessageCreateDateComparator extends OrderByComparator {
35
36 public static String ORDER_BY_ASC = "createDate ASC";
37
38 public static String ORDER_BY_DESC = "createDate DESC";
39
40 public static String[] ORDER_BY_FIELDS = {"createDate"};
41
42 public MessageCreateDateComparator(boolean asc) {
43 _asc = asc;
44 }
45
46 public int compare(Object obj1, Object obj2) {
47 MBMessage message1 = (MBMessage)obj1;
48 MBMessage message2 = (MBMessage)obj2;
49
50 int value = DateUtil.compareTo(
51 message1.getCreateDate(), message2.getCreateDate());
52
53 if (_asc) {
54 return value;
55 }
56 else {
57 return -value;
58 }
59 }
60
61 public String getOrderBy() {
62 if (_asc) {
63 return ORDER_BY_ASC;
64 }
65 else {
66 return ORDER_BY_DESC;
67 }
68 }
69
70 public String[] getOrderByFields() {
71 return ORDER_BY_FIELDS;
72 }
73
74 public boolean isAscending() {
75 return _asc;
76 }
77
78 private boolean _asc;
79
80 }