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1   /***
2    * Redistribution  and use  in source  and binary  forms, with  or without
3    * modification, are permitted provided  that the following conditions are
4    * met :
5    *
6    * . Redistributions  of  source  code  must  retain  the  above copyright
7    *   notice, this list of conditions and the following disclaimer.
8    *
9    * . Redistributions in  binary form  must reproduce  the above  copyright
10   *   notice, this list of conditions  and the following disclaimer in  the
11   *   documentation and/or other materials provided with the distribution.
12   *
13   * . The name of the author may not be used to endorse or promote products
14   *   derived from this software without specific prior written permission.
15   *
16   * THIS SOFTWARE IS  PROVIDED BY THE  AUTHOR ``AS IS''  AND ANY EXPRESS  OR
17   * IMPLIED  WARRANTIES,  INCLUDING,  BUT   NOT  LIMITED  TO,  THE   IMPLIED
18   * WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR  PURPOSE ARE
19   * DISCLAIMED.  IN NO  EVENT SHALL  THE AUTHOR  BE LIABLE  FOR ANY  DIRECT,
20   * INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR  CONSEQUENTIAL  DAMAGES
21   * (INCLUDING,  BUT  NOT LIMITED  TO,  PROCUREMENT OF  SUBSTITUTE  GOODS OR
22   * SERVICES;  LOSS  OF USE,  DATA,  OR PROFITS;  OR  BUSINESS INTERRUPTION)
23   * HOWEVER CAUSED  AND ON  ANY THEORY  OF LIABILITY,  WHETHER IN  CONTRACT,
24   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25   * ANY  WAY  OUT OF  THE  USE OF  THIS  SOFTWARE, EVEN  IF  ADVISED OF  THE
26   * POSSIBILITY OF SUCH DAMAGE.
27   *
28   * $Id$
29   */
30  
31  package palmed.util;
32  
33  /***
34   * This class implements a chainable exception.
35   *
36   * @author Mathieu Champlon
37   * @version $Revision$ $Date$
38   */
39  public class ChainedException extends RuntimeException
40  {
41      /***
42       * An optional chained throwable.
43       */
44      private final Throwable throwable_;
45  
46      /***
47       * Create a chained exception.
48       *
49       * @param throwable a throwable to chain
50       */
51      public ChainedException( final Throwable throwable )
52      {
53          super( throwable.getClass() + " : " + throwable.getMessage() );
54          throwable_ = throwable;
55      }
56  
57      /***
58       * Create a chained exception.
59       *
60       * @param message a description of the error
61       */
62      public ChainedException( final String message )
63      {
64          super( message );
65          throwable_ = null;
66      }
67  
68      /***
69       * Create a chained exception.
70       *
71       * @param message a description of the error
72       * @param throwable a throwable to chain
73       */
74      public ChainedException( final String message, final Throwable throwable )
75      {
76          super( message );
77          throwable_ = throwable;
78      }
79  
80      /***
81       * {@inheritDoc}
82       */
83      public final void printStackTrace()
84      {
85          super.printStackTrace();
86          if( throwable_ != null )
87              throwable_.printStackTrace();
88      }
89  }