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.portal.util.comparator;
21  
22  import com.liferay.portal.kernel.util.DateUtil;
23  import com.liferay.portal.model.UserTracker;
24  
25  import java.io.Serializable;
26  
27  import java.util.Comparator;
28  
29  /**
30   * <a href="UserTrackerModifiedDateComparator.java.html"><b><i>View Source</i>
31   * </b></a>
32   *
33   * @author Brian Wing Shun Chan
34   *
35   */
36  public class UserTrackerModifiedDateComparator
37      implements Comparator<UserTracker>, Serializable {
38  
39      public UserTrackerModifiedDateComparator() {
40          this(false);
41      }
42  
43      public UserTrackerModifiedDateComparator(boolean asc) {
44          _asc = asc;
45      }
46  
47      public int compare(UserTracker userTracker1, UserTracker userTracker2) {
48          int value = DateUtil.compareTo(
49              userTracker1.getModifiedDate(), userTracker2.getModifiedDate());
50  
51          if (_asc) {
52              return value;
53          }
54          else {
55              return -value;
56          }
57      }
58  
59      private boolean _asc;
60  
61  }