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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.PortletContext;
22  
23  import org.apache.portals.bridges.jsf.AbstractAttributeMap;
24  
25  /***
26   * <p>
27   * {@link PortletContext}attributes as a Map.
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 ApplicationMap extends AbstractAttributeMap
36  {
37      /*** Illegal argument exception message. */
38      final private static String ILLEGAL_ARGUMENT = "Only PortletContext supported";
39  
40      /*** The {@link PortletContext}. */
41      final private PortletContext portletContext;
42  
43      /***
44       * @param context The context.
45       */
46      public ApplicationMap(Object context)
47      {
48          if (context instanceof PortletContext)
49          {
50              this.portletContext = (PortletContext) context;
51          }
52          else
53          {
54              throw new IllegalArgumentException(ILLEGAL_ARGUMENT);
55          }
56      }
57  
58      /***
59       * @see org.apache.portals.bridges.jsf.AbstractAttributeMap#getAttribute(java.lang.String)
60       */
61      public Object getAttribute(String key)
62      {
63          if (null != this.portletContext)
64          {
65              return this.portletContext.getAttribute(key);
66          }
67          else
68          {
69              throw new IllegalArgumentException(ILLEGAL_ARGUMENT);
70          }
71      }
72  
73      /***
74       * @see org.apache.portals.bridges.jsf.AbstractAttributeMap#setAttribute(java.lang.String,
75       *      java.lang.Object)
76       */
77      public void setAttribute(String key, Object value)
78      {
79          if (null != this.portletContext)
80          {
81              this.portletContext.setAttribute(key, value);
82          }
83      }
84  
85      /***
86       * @see org.apache.portals.bridges.jsf.AbstractAttributeMap#removeAttribute(java.lang.String)
87       */
88      public void removeAttribute(String key)
89      {
90          if (null != this.portletContext)
91          {
92              this.portletContext.removeAttribute(key);
93          }
94      }
95  
96      /***
97       * @see org.apache.portals.bridges.jsf.AbstractAttributeMap#getAttributeNames()
98       */
99      public Enumeration getAttributeNames()
100     {
101         if (null != this.portletContext)
102         {
103             return this.portletContext.getAttributeNames();
104         }
105         else
106         {
107             throw new IllegalArgumentException(ILLEGAL_ARGUMENT);
108         }
109     }
110 }