1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.journal.util.comparator;
21  
22  import com.liferay.portal.kernel.util.DateUtil;
23  import com.liferay.portal.kernel.util.OrderByComparator;
24  import com.liferay.portlet.journal.model.JournalArticle;
25  
26  /**
27   * <a href="ArticleCreateDateComparator.java.html"><b><i>View Source</i></b></a>
28   *
29   * @author Brian Wing Shun Chan
30   *
31   */
32  public class ArticleCreateDateComparator extends OrderByComparator {
33  
34      public static String ORDER_BY_ASC = "createDate ASC";
35  
36      public static String ORDER_BY_DESC = "createDate DESC";
37  
38      public ArticleCreateDateComparator() {
39          this(false);
40      }
41  
42      public ArticleCreateDateComparator(boolean asc) {
43          _asc = asc;
44      }
45  
46      public int compare(Object obj1, Object obj2) {
47          JournalArticle article1 = (JournalArticle)obj1;
48          JournalArticle article2 = (JournalArticle)obj2;
49  
50          int value = DateUtil.compareTo(
51              article1.getCreateDate(), article2.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      private boolean _asc;
71  
72  }