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1   /*
2    * Copyright 2003,2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  /* 
17  
18   */
19  
20  package org.apache.pluto.core;
21  
22  import javax.portlet.PortletConfig;
23  import javax.portlet.PortletContext;
24  import javax.portlet.PortletRequest;
25  import javax.portlet.PortletResponse;
26  
27  import org.apache.pluto.portlet.PortletRequestWrapper;
28  import org.apache.pluto.portlet.PortletResponseWrapper;
29  
30  public class CoreUtils
31  {
32      // Access to InternalPortletRequest
33      public static InternalPortletRequest getInternalRequest(PortletRequest request)
34      {
35          while (!(request instanceof InternalPortletRequest))
36          {
37              request = ((PortletRequestWrapper)request).getPortletRequest();
38              if (request == null)
39              {
40                  throw new IllegalStateException("The internal portlet request cannot be found.");                
41              }
42          }
43          return(InternalPortletRequest)request;
44      }
45  
46      // Access to InternalPortletResponse
47      public static InternalPortletResponse getInternalResponse(PortletResponse response)
48      {
49          while (!(response instanceof InternalPortletResponse))
50          {
51              response = ((PortletResponseWrapper)response).getPortletResponse();
52              if (response == null)
53              {
54                  throw new IllegalStateException("The internal portlet response cannot be found.");                
55              }
56          }
57          return(InternalPortletResponse)response;
58      }
59  
60      // Access to InternalPortletConfig
61      public static InternalPortletConfig getInternalConfig(PortletConfig config)
62      {
63          return(InternalPortletConfig)config;
64      }
65  
66      // Access to InternalPortletContext
67      public static InternalPortletContext getInternalContext(PortletContext context)
68      {
69          return(InternalPortletContext)context;
70      }
71  
72  }