1   /**
2    * Copyright (c) 2000-2008 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  import com.liferay.portal.servlet.PortletContextPool;
27  import com.liferay.portal.servlet.PortletContextWrapper;
28  import com.liferay.portal.velocity.VelocityContextPool;
29  import com.liferay.util.CollectionFactory;
30  
31  import java.util.Iterator;
32  import java.util.Map;
33  
34  import javax.portlet.PortletContext;
35  
36  import javax.servlet.ServletContext;
37  
38  /**
39   * <a href="PortletContextFactory.java.html"><b><i>View Source</i></b></a>
40   *
41   * @author Brian Wing Shun Chan
42   *
43   */
44  public class PortletContextFactory {
45  
46      public static PortletContext create(Portlet portlet, ServletContext ctx) {
47          return _instance._create(portlet, ctx);
48      }
49  
50      public static void destroy(Portlet portlet) {
51          _instance._destroy(portlet);
52      }
53  
54      private PortletContextFactory() {
55          _pool = CollectionFactory.getSyncHashMap();
56      }
57  
58      private PortletContext _create(Portlet portlet, ServletContext ctx) {
59          Map portletContexts = (Map)_pool.get(portlet.getRootPortletId());
60  
61          if (portletContexts == null) {
62              portletContexts = CollectionFactory.getSyncHashMap();
63  
64              _pool.put(portlet.getRootPortletId(), portletContexts);
65          }
66  
67          PortletContext portletContext =
68              (PortletContext)portletContexts.get(portlet.getPortletId());
69  
70          if (portletContext == null) {
71              if (portlet.isWARFile()) {
72                  PortletContextWrapper pcw =
73                      PortletContextPool.get(portlet.getRootPortletId());
74  
75                  //String mainPath = (String)ctx.getAttribute(WebKeys.MAIN_PATH);
76  
77                  ctx = pcw.getServletContext();
78  
79                  // Context path for the portal must be passed to individual
80                  // portlets
81  
82                  //ctx.setAttribute(WebKeys.MAIN_PATH, mainPath);
83              }
84  
85              portletContext = new PortletContextImpl(portlet, ctx);
86  
87              VelocityContextPool.put(
88                  portletContext.getPortletContextName(), ctx);
89  
90              portletContexts.put(portlet.getPortletId(), portletContext);
91          }
92  
93          return portletContext;
94      }
95  
96      private void _destroy(Portlet portlet) {
97          Map portletContexts = (Map)_pool.remove(portlet.getRootPortletId());
98  
99          if (portletContexts == null) {
100             return;
101         }
102 
103         Iterator itr = portletContexts.entrySet().iterator();
104 
105         if (itr.hasNext()) {
106             Map.Entry entry = (Map.Entry)itr.next();
107 
108             PortletContext portletContext = (PortletContext)entry.getValue();
109 
110             VelocityContextPool.remove(portletContext.getPortletContextName());
111         }
112     }
113 
114     private static PortletContextFactory _instance =
115         new PortletContextFactory();
116 
117     private Map _pool;
118 
119 }