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1   /***************************************************************************************
2    * Copyright (c) Jonas BonŽr, Alexandre Vasseur. All rights reserved.                 *
3    * http://aspectwerkz.codehaus.org                                                    *
4    * ---------------------------------------------------------------------------------- *
5    * The software in this package is published under the terms of the LGPL license      *
6    * a copy of which has been included with this distribution in the license.txt file.  *
7    **************************************************************************************/
8   package org.codehaus.aspectwerkz.expression;
9   
10  import java.io.PrintStream;
11  import java.io.PrintWriter;
12  
13  /***
14   * Thrown when error in the expression.
15   *
16   * @author <a href="mailto:jboner@codehaus.org">Jonas BonŽr </a>
17   */
18  public class ExpressionException extends RuntimeException {
19      /***
20       * Original exception which caused this exception.
21       */
22      private Throwable m_originalException;
23  
24      /***
25       * Sets the message for the exception.
26       *
27       * @param message the message
28       */
29      public ExpressionException(final String message) {
30          super(message);
31      }
32  
33      /***
34       * Sets the message for the exception and the original exception being wrapped.
35       *
36       * @param message   the detail of the error message
37       * @param throwable the original exception
38       */
39      public ExpressionException(final String message, final Throwable throwable) {
40          super(message);
41          m_originalException = throwable;
42      }
43  
44      /***
45       * Print the full stack trace, including the original exception.
46       */
47      public void printStackTrace() {
48          printStackTrace(System.err);
49      }
50  
51      /***
52       * Print the full stack trace, including the original exception.
53       *
54       * @param ps the byte stream in which to print the stack trace
55       */
56      public void printStackTrace(final PrintStream ps) {
57          super.printStackTrace(ps);
58          if (m_originalException != null) {
59              m_originalException.printStackTrace(ps);
60          }
61      }
62  
63      /***
64       * Print the full stack trace, including the original exception.
65       *
66       * @param pw the character stream in which to print the stack trace
67       */
68      public void printStackTrace(final PrintWriter pw) {
69          super.printStackTrace(pw);
70          if (m_originalException != null) {
71              m_originalException.printStackTrace(pw);
72          }
73      }
74  }