1   /**
2    * Copyright (c) 2000-2009 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.portal.kernel.util;
24  
25  import java.util.TimeZone;
26  
27  /**
28   * <a href="TimeZoneUtil.java.html"><b><i>View Source</i></b></a>
29   *
30   * @author Brian Wing Shun Chan
31   *
32   */
33  public class TimeZoneUtil {
34  
35      public static TimeZone getDefault() {
36          return _instance._getDefault();
37      }
38  
39      public static TimeZone getTimeZone(String timeZoneId) {
40          return TimeZone.getTimeZone(timeZoneId);
41      }
42  
43      public static void setDefault(String id) {
44          _instance._setDefault(id);
45      }
46  
47      private TimeZoneUtil() {
48          _timeZone = TimeZone.getTimeZone(StringPool.UTC);
49      }
50  
51      private TimeZone _getDefault() {
52          return _timeZone;
53      }
54  
55      private void _setDefault(String id) {
56          if (Validator.isNotNull(id)) {
57              _timeZone = TimeZone.getTimeZone(id);
58          }
59      }
60  
61      private static TimeZoneUtil _instance = new TimeZoneUtil();
62  
63      private TimeZone _timeZone;
64  
65  }