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.portlet;
16  
17  import com.liferay.portal.kernel.log.Log;
18  import com.liferay.portal.kernel.log.LogFactoryUtil;
19  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
20  import com.liferay.portal.util.PropsValues;
21  
22  /**
23   * <a href="DefaultControlPanelEntryFactory.java.html"><b><i>View Source</i></b>
24   * </a>
25   *
26   * @author Brian Wing Shun Chan
27   */
28  public class DefaultControlPanelEntryFactory {
29  
30      public static ControlPanelEntry getInstance() {
31          if (_controlPanelEntry == null) {
32              if (_log.isDebugEnabled()) {
33                  _log.debug(
34                      "Instantiate " +
35                          PropsValues.CONTROL_PANEL_DEFAULT_ENTRY_CLASS);
36              }
37  
38              ClassLoader classLoader = PortalClassLoaderUtil.getClassLoader();
39  
40              try {
41                  _controlPanelEntry = (ControlPanelEntry)classLoader.loadClass(
42                      PropsValues.CONTROL_PANEL_DEFAULT_ENTRY_CLASS).
43                          newInstance();
44              }
45              catch (Exception e) {
46                  _log.error(e, e);
47              }
48          }
49  
50          if (_log.isDebugEnabled()) {
51              _log.debug(
52                  "Return " + _controlPanelEntry.getClass().getName());
53          }
54  
55          return _controlPanelEntry;
56      }
57  
58      public static void setInstance(ControlPanelEntry controlPanelEntryFactory) {
59          if (_log.isDebugEnabled()) {
60              _log.debug("Set " + controlPanelEntryFactory.getClass().getName());
61          }
62  
63          _controlPanelEntry = controlPanelEntryFactory;
64      }
65  
66      private static Log _log = LogFactoryUtil.getLog(
67          DefaultControlPanelEntryFactory.class);
68  
69      private static ControlPanelEntry _controlPanelEntry = null;
70  
71  }