MarshallException


1   /*
2    * Copyright 2005 Joe Walker
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  package org.directwebremoting.extend;
17  
18  import org.directwebremoting.util.Messages;
19  
20  /**
21   * Something has gone wrong when we were doing some conversion.
22   * @author Joe Walker [joe at getahead dot ltd dot uk]
23   */
24  public class MarshallException extends Exception  
25  {
26      /**
27       * Default ctor
28       * @param paramType The type we were trying to marshall
29       */
30      public MarshallException(Class   paramType)
31      {
32          super(Messages.getString("MarshallException.SimpleFailure", paramType.getName()));
33          this.paramType = paramType;
34      }
35  
36      /**
37       * Construct a MarshallException with an exception and a destination type
38       * @param paramType The type we were trying to marshall
39       * @param ex error stack trace
40       */
41      public MarshallException(Class   paramType, Throwable   ex)
42      {
43          super(Messages.getString("MarshallException.FailureWithCause", paramType.getName(), ex.getMessage()));
44  
45          this.paramType = paramType;
46          this.ex = ex;
47      }
48  
49      /**
50       * Construct a MarshallException with a description message and exception
51       * @param paramType The type we were trying to marshall
52       * @param message error description
53       */
54      public MarshallException(Class   paramType, String   message)
55      {
56          super(Messages.getString("MarshallException.FailureWithCause", paramType.getName(), message));
57  
58          this.paramType = paramType;
59      }
60  
61      /**
62       * @return The cause of this exception (if any)
63       */
64      public Throwable   getCause()
65      {
66          return ex;
67      }
68  
69      /**
70       * Accessor for the type we are converting to/from
71       * @return The type we are converting to/from
72       */
73      public Class   getConversionType()
74      {
75          return paramType;
76      }
77  
78      /**
79       * The type we are converting to/from
80       */
81      private Class   paramType;
82  
83      /**
84       * Stored exception cause
85       */
86      private Throwable   ex = null;
87  }
88
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