View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.webapp.filter.portlet;
20  
21  import java.util.Enumeration;
22  import javax.portlet.PortletRequest;
23  
24  import org.apache.myfaces.webapp.filter.servlet.AbstractAttributeMap;
25  
26  /**
27   * PortletRequest parameters as Map.
28   * <p>
29   * NOTE: This class was copied from myfaces impl 
30   * org.apache.myfaces.context.portlet and it is
31   * used by TomahawkFacesContextWrapper. By that reason, it could change
32   * in the future.
33   * </p>
34   * 
35   * @since 1.1.7
36   * @author  Stan Silvert (latest modification by $Author: lu4242 $)
37   * @version $Revision: 691871 $ $Date: 2008-09-03 23:32:08 -0500 (Wed, 03 Sep 2008) $
38   */
39  public class RequestParameterMap extends AbstractAttributeMap
40  {
41      private final PortletRequest _portletRequest;
42  
43      RequestParameterMap(PortletRequest portletRequest)
44      {
45          _portletRequest = portletRequest;
46      }
47  
48      protected Object getAttribute(String key)
49      {
50          return _portletRequest.getParameter(key);
51      }
52  
53      protected void setAttribute(String key, Object value)
54      {
55          throw new UnsupportedOperationException(
56              "Cannot set PortletRequest Parameter");
57      }
58  
59      protected void removeAttribute(String key)
60      {
61          throw new UnsupportedOperationException(
62              "Cannot remove PortletRequest Parameter");
63      }
64  
65      protected Enumeration getAttributeNames()
66      {
67          return _portletRequest.getParameterNames();
68      }
69  }