SourceException


1   /* 
2    * Copyright 2002-2004 The Apache Software Foundation
3    * Licensed  under the  Apache License,  Version 2.0  (the "License");
4    * you may not use  this file  except in  compliance with the License.
5    * You may obtain a copy of the License at 
6    * 
7    *   http://www.apache.org/licenses/LICENSE-2.0
8    * 
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed  under the  License is distributed on an "AS IS" BASIS,
11   * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
12   * implied.
13   * 
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.excalibur.source;
18  
19  import java.io.IOException  ;
20  
21  import org.apache.avalon.framework.CascadingThrowable;
22  
23  /**
24   * This Exception is thrown every time there is a problem in processing
25   * a source.
26   *
27   * @author <a HREF="mailto:dev@avalon.apache.org">Avalon Development Team</a>
28   * @version CVS $Revision: 1.4 $ $Date: 2004/02/28 11:47:26 $
29   */
30  public class SourceException
31      extends IOException   implements CascadingThrowable
32  {
33      /**
34       * The Throwable that caused this exception to be thrown.
35       */
36      private final Throwable   m_throwable;
37  
38      /**
39       * Construct a new <code>SourceException</code> instance.
40       *
41       * @param message the detail message for this exception.
42       */
43      public SourceException( final String   message )
44      {
45          this( message, null );
46      }
47  
48      /**
49       * Construct a new <code>SourceException</code> instance.
50       *
51       * @param message the detail message for this exception.
52       * @param throwable the root cause of the exception.
53       */
54      public SourceException( final String   message, final Throwable   throwable )
55      {
56          super( message  );
57          m_throwable = throwable;
58      }
59      
60      /**
61       * Retrieve the cause of the exception.
62       *
63       * @return the cause.
64       */
65      public final Throwable   getCause()
66      {
67          return m_throwable;
68      }
69  }
70
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