PortletWebSession


1   // Copyright 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.tapestry.portlet;
16  
17  import java.util.List  ;
18  
19  import javax.portlet.PortletSession;
20  
21  import org.apache.hivemind.util.Defense;
22  import org.apache.tapestry.describe.DescriptionReceiver;
23  import org.apache.tapestry.web.WebSession;
24  import org.apache.tapestry.web.WebUtils;
25  
26  /**
27   * Adapts a {@link javax.portlet.PortletSession}as a {@link org.apache.tapestry.web.WebSession}.
28   * 
29   * @author Howard M. Lewis Ship
30   * @since 4.0
31   */
32  public class PortletWebSession implements WebSession
33  {
34      private final PortletSession _portletSession;
35  
36      public PortletWebSession(final PortletSession portletSession)
37      {
38          Defense.notNull(portletSession, "portletSession");
39  
40          _portletSession = portletSession;
41      }
42  
43      public void describeTo(DescriptionReceiver receiver)
44      {
45          receiver.describeAlternate(_portletSession);
46      }
47  
48      public String   getId()
49      {
50          return _portletSession.getId();
51      }
52  
53      public boolean isNew()
54      {
55          return _portletSession.isNew();
56      }
57  
58      public List   getAttributeNames()
59      {
60          return WebUtils.toSortedList(_portletSession.getAttributeNames());
61      }
62  
63      public Object   getAttribute(String   name)
64      {
65          return _portletSession.getAttribute(name);
66      }
67  
68      public void setAttribute(String   name, Object   attribute)
69      {
70          _portletSession.setAttribute(name, attribute);
71      }
72  
73  }
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