MissingActionOutputException


1   /*
2    * Copyright 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   * $Header:$
17   */
18  package org.apache.beehive.netui.pageflow;
19  
20  
21  /**
22   * Exception that occurs when a required action output is missing from a {@link Forward}.
23   */ 
24  public class MissingActionOutputException
25          extends PageFlowException
26  {
27      private String   _actionOutputName;
28      private String   _forwardName;
29  
30      public MissingActionOutputException( String   actionName, FlowController flowController, String   actionOutputName,
31                                           String   forwardName )
32      {
33          super( actionName, flowController );
34          _actionOutputName = actionOutputName;
35          _forwardName = forwardName;
36      }
37  
38      protected Object  [] getMessageArgs()
39      {
40          return new Object  []{ _actionOutputName, _forwardName, getActionName(), getFlowControllerURI() };
41      }
42  
43      protected String  [] getMessageParts()
44      {
45          return new String  []{ "The required action output \"", "\" was not present on forward \"",
46                               "\" (action ", " in Page Flow ", ")." };
47      }
48  
49      public String   getActionOutputName()
50      {
51          return _actionOutputName;
52      }
53  
54      public String   getForwardName()
55      {
56          return _forwardName;
57      }
58  
59      /**
60       * Tell whether the root cause may be session expiration in cases where the requested session ID is different than
61       * the actual session ID.  In this case, the answer is <code>false</code>.
62       */ 
63      public boolean causeMayBeSessionExpiration()
64      {
65          return false;
66      }
67  }
68
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