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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.portals.bridges.jsf;
18  
19  import java.util.Enumeration;
20  
21  import javax.portlet.PortletRequest;
22  
23  /***
24   * <p>
25   * This must be the set of properties available via the javax.portlet.PortletRequest methods getProperty()
26   * and getPropertyNames(). As such, HTTP headers will only be included if they were provided by the portlet container,
27   * and additional properties provided by the portlet container may also be included.
28   * </p>
29   * <p>
30   * See MyFaces project for servlet implementation.
31   * </p>
32   * 
33   * @author <a href="dlestrat@apache.org">David Le Strat </a>
34   */
35  public class RequestHeaderMap extends AbstractAttributeMap
36  {
37      /*** The portlet request. */
38      private final PortletRequest portletRequest;
39  
40      /***
41       * @param portletRequest The {@link PortletRequest}.
42       */
43      RequestHeaderMap(PortletRequest portletRequest)
44      {
45          this.portletRequest = portletRequest;
46      }
47      
48      /***
49       * @see org.apache.portals.bridges.jsf.AbstractAttributeMap#getAttribute(java.lang.String)
50       */
51      protected Object getAttribute(String key)
52      {
53          return portletRequest.getProperty(key);
54      }
55  
56      /***
57       * @see org.apache.portals.bridges.jsf.AbstractAttributeMap#setAttribute(java.lang.String, java.lang.Object)
58       */
59      protected void setAttribute(String key, Object value)
60      {
61          throw new UnsupportedOperationException(
62              "Cannot set PortletRequest Property");
63      }
64  
65      /***
66       * @see org.apache.portals.bridges.jsf.AbstractAttributeMap#removeAttribute(java.lang.String)
67       */
68      protected void removeAttribute(String key)
69      {
70          throw new UnsupportedOperationException(
71              "Cannot remove PortletRequest Property");
72      }
73  
74      /***
75       * @see org.apache.portals.bridges.jsf.AbstractAttributeMap#getAttributeNames()
76       */
77      protected Enumeration getAttributeNames()
78      {
79          return portletRequest.getPropertyNames();
80      }
81  }