PentahoChainedException


1   /*
2    * Copyright 2006 Pentaho Corporation.  All rights reserved. 
3    * This software was developed by Pentaho Corporation and is provided under the terms 
4    * of the Mozilla Public License, Version 1.1, or any later version. You may not use 
5    * this file except in compliance with the license. If you need a copy of the license, 
6    * please go to http://www.mozilla.org/MPL/MPL-1.1.txt. The Original Code is the Pentaho 
7    * BI Platform.  The Initial Developer is Pentaho Corporation.
8    *
9    * Software distributed under the Mozilla Public License is distributed on an "AS IS" 
10   * basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to 
11   * the license for the specific language governing your rights and limitations.
12   *
13   * @created Jul 18, 2005 
14   * @author Marc Batchelor
15   * 
16   */
17  /**
18   *
19   * This is the base class for all Pentaho exceptions. This class handles
20   * chaining of exceptions so that it's possible to chain back to the root
21   * of an exception.
22   *
23   */
24  package org.pentaho.util;
25  
26  import java.io.PrintStream  ;
27  
28  /**
29   * This is the base Pentaho Exception class that handles chained exceptions.
30   */
31  public class PentahoChainedException extends RuntimeException   {
32  
33      /**
34       * 
35       */
36      private static final long serialVersionUID = -2278229062123864979L;
37  
38      // private static final String CAUSEDBY = Messages.getString("PENTCHEXCEPT.ERROR_CAUSEDBY"); // Need to NLS... //$NON-NLS-1$
39  
40      public PentahoChainedException() {
41          super();
42      }
43  
44      /**
45       * Constructor
46       * 
47       * @param message
48       *            The message to be carried by the exception.
49       */
50      public PentahoChainedException(String   message) {
51          super(message);
52      }
53  
54      /**
55       * Constructor
56       * 
57       * @param message
58       *            The message.
59       * @param reas
60       *            The root cause of the exception.
61       */
62      public PentahoChainedException(String   message, Throwable   reas) {
63          super(message, reas);
64      }
65  
66      /**
67       * Constructor
68       * 
69       * @param reas
70       *            The cause of this exception
71       */
72      public PentahoChainedException(Throwable   reas) {
73          super(reas);
74      }
75  
76  
77      /**
78       * Gets the root cause of the exception.
79       */
80      public Throwable   getRootCause() {
81          Throwable   aReason = this;
82          Throwable   lastReason = null;
83          while ((aReason != null) ) {
84              lastReason = aReason;
85              aReason = aReason.getCause();
86          }
87          return (aReason != null) ? aReason : lastReason;
88      }
89  
90      /**
91       * Prints the exception trace to the specified print writer
92       */
93      public synchronized void printStackTrace(java.io.PrintWriter   pw) {
94          super.printStackTrace(pw);
95      }
96  
97      /**
98       * Prints the exception trace to the specified print stream.
99       */
100     public synchronized void printStackTrace(PrintStream   ps) {
101         super.printStackTrace(ps);
102     }
103 
104 }
105
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