1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.kernel.util;
16  
17  import java.util.TimeZone;
18  
19  /**
20   * <a href="TimeZoneUtil.java.html"><b><i>View Source</i></b></a>
21   *
22   * @author Brian Wing Shun Chan
23   */
24  public class TimeZoneUtil {
25  
26      public static TimeZone getDefault() {
27          return _instance._getDefault();
28      }
29  
30      public static TimeZone getTimeZone(String timeZoneId) {
31          return TimeZone.getTimeZone(timeZoneId);
32      }
33  
34      public static void setDefault(String id) {
35          _instance._setDefault(id);
36      }
37  
38      private TimeZoneUtil() {
39          _timeZone = TimeZone.getTimeZone(StringPool.UTC);
40      }
41  
42      private TimeZone _getDefault() {
43          return _timeZone;
44      }
45  
46      private void _setDefault(String id) {
47          if (Validator.isNotNull(id)) {
48              _timeZone = TimeZone.getTimeZone(id);
49          }
50      }
51  
52      private static TimeZoneUtil _instance = new TimeZoneUtil();
53  
54      private TimeZone _timeZone;
55  
56  }