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.portlet;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
28  import com.liferay.portal.util.PropsValues;
29  
30  /**
31   * <a href="DefaultControlPanelEntryFactory.java.html"><b><i>View Source</i></b>
32   * </a>
33   *
34   * @author Brian Wing Shun Chan
35   */
36  public class DefaultControlPanelEntryFactory {
37  
38      public static ControlPanelEntry getInstance() {
39          if (_controlPanelEntry == null) {
40              if (_log.isDebugEnabled()) {
41                  _log.debug(
42                      "Instantiate " +
43                          PropsValues.CONTROL_PANEL_DEFAULT_ENTRY_CLASS);
44              }
45  
46              ClassLoader classLoader = PortalClassLoaderUtil.getClassLoader();
47  
48              try {
49                  _controlPanelEntry = (ControlPanelEntry)classLoader.loadClass(
50                      PropsValues.CONTROL_PANEL_DEFAULT_ENTRY_CLASS).
51                          newInstance();
52              }
53              catch (Exception e) {
54                  _log.error(e, e);
55              }
56          }
57  
58          if (_log.isDebugEnabled()) {
59              _log.debug(
60                  "Return " + _controlPanelEntry.getClass().getName());
61          }
62  
63          return _controlPanelEntry;
64      }
65  
66      public static void setInstance(ControlPanelEntry controlPanelEntryFactory) {
67          if (_log.isDebugEnabled()) {
68              _log.debug("Set " + controlPanelEntryFactory.getClass().getName());
69          }
70  
71          _controlPanelEntry = controlPanelEntryFactory;
72      }
73  
74      private static Log _log =
75          LogFactoryUtil.getLog(DefaultControlPanelEntryFactory.class);
76  
77      private static ControlPanelEntry _controlPanelEntry = null;
78  
79  }