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.model.Portlet;
26  
27  import java.util.Map;
28  import java.util.concurrent.ConcurrentHashMap;
29  
30  import javax.portlet.PortletConfig;
31  import javax.portlet.PortletContext;
32  
33  import javax.servlet.ServletContext;
34  
35  /**
36   * <a href="PortletConfigFactory.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   *
40   */
41  public class PortletConfigFactory {
42  
43      public static PortletConfig create(
44          Portlet portlet, ServletContext servletContext) {
45  
46          return _instance._create(portlet, servletContext);
47      }
48  
49      public static void destroy(Portlet portlet) {
50          _instance._destroy(portlet);
51      }
52  
53      private PortletConfigFactory() {
54          _pool = new ConcurrentHashMap<String, Map<String, PortletConfig>>();
55      }
56  
57      private PortletConfig _create(
58          Portlet portlet, ServletContext servletContext) {
59  
60          Map<String, PortletConfig> portletConfigs =
61              _pool.get(portlet.getRootPortletId());
62  
63          if (portletConfigs == null) {
64              portletConfigs = new ConcurrentHashMap<String, PortletConfig>();
65  
66              _pool.put(portlet.getRootPortletId(), portletConfigs);
67          }
68  
69          PortletConfig portletConfig = portletConfigs.get(
70              portlet.getPortletId());
71  
72          if (portletConfig == null) {
73              PortletContext portletContext =
74                  PortletContextFactory.create(portlet, servletContext);
75  
76              portletConfig = new PortletConfigImpl(portlet, portletContext);
77  
78              portletConfigs.put(portlet.getPortletId(), portletConfig);
79          }
80  
81          return portletConfig;
82      }
83  
84      private void _destroy(Portlet portlet) {
85          _pool.remove(portlet.getRootPortletId());
86      }
87  
88      private static PortletConfigFactory _instance = new PortletConfigFactory();
89  
90      private Map<String, Map<String, PortletConfig>> _pool;
91  
92  }