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.kernel.util;
21  
22  import java.util.TimeZone;
23  
24  /**
25   * <a href="TimeZoneUtil.java.html"><b><i>View Source</i></b></a>
26   *
27   * @author Brian Wing Shun Chan
28   *
29   */
30  public class TimeZoneUtil {
31  
32      public static TimeZone getDefault() {
33          return _instance._getDefault();
34      }
35  
36      public static TimeZone getTimeZone(String timeZoneId) {
37          return TimeZone.getTimeZone(timeZoneId);
38      }
39  
40      public static void setDefault(String id) {
41          _instance._setDefault(id);
42      }
43  
44      private TimeZoneUtil() {
45          _timeZone = TimeZone.getTimeZone(StringPool.UTC);
46      }
47  
48      private TimeZone _getDefault() {
49          return _timeZone;
50      }
51  
52      private void _setDefault(String id) {
53          if (Validator.isNotNull(id)) {
54              _timeZone = TimeZone.getTimeZone(id);
55          }
56      }
57  
58      private static TimeZoneUtil _instance = new TimeZoneUtil();
59  
60      private TimeZone _timeZone;
61  
62  }