View Javadoc

1   /*
2    * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
3    *
4    * This software is open source.
5    * See the bottom of this file for the licence.
6    */
7   
8   package org.dom4j;
9   
10  import java.io.PrintStream;
11  import java.io.PrintWriter;
12  
13  /***
14   * <p>
15   * <code>DocumentException</code> is a nested Exception which may be thrown
16   * during the processing of a DOM4J document.
17   * </p>
18   * 
19   * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
20   * @version $Revision: 1.7 $
21   */
22  public class DocumentException extends Exception {
23      /*** A wrapped <code>Throwable</code> */
24      private Throwable nestedException;
25  
26      public DocumentException() {
27          super("Error occurred in DOM4J application.");
28      }
29  
30      public DocumentException(String message) {
31          super(message);
32      }
33  
34      public DocumentException(Throwable nestedException) {
35          super(nestedException.getMessage());
36          this.nestedException = nestedException;
37      }
38  
39      public DocumentException(String message, Throwable nestedException) {
40          super(message);
41          this.nestedException = nestedException;
42      }
43  
44      public Throwable getNestedException() {
45          return nestedException;
46      }
47  
48      public String getMessage() {
49          if (nestedException != null) {
50              return super.getMessage() + " Nested exception: "
51                      + nestedException.getMessage();
52          } else {
53              return super.getMessage();
54          }
55      }
56  
57      public void printStackTrace() {
58          super.printStackTrace();
59  
60          if (nestedException != null) {
61              System.err.print("Nested exception: ");
62              nestedException.printStackTrace();
63          }
64      }
65  
66      public void printStackTrace(PrintStream out) {
67          super.printStackTrace(out);
68  
69          if (nestedException != null) {
70              out.println("Nested exception: ");
71              nestedException.printStackTrace(out);
72          }
73      }
74  
75      public void printStackTrace(PrintWriter writer) {
76          super.printStackTrace(writer);
77  
78          if (nestedException != null) {
79              writer.println("Nested exception: ");
80              nestedException.printStackTrace(writer);
81          }
82      }
83  }
84  
85  /*
86   * Redistribution and use of this software and associated documentation
87   * ("Software"), with or without modification, are permitted provided that the
88   * following conditions are met:
89   * 
90   * 1. Redistributions of source code must retain copyright statements and
91   * notices. Redistributions must also contain a copy of this document.
92   * 
93   * 2. Redistributions in binary form must reproduce the above copyright notice,
94   * this list of conditions and the following disclaimer in the documentation
95   * and/or other materials provided with the distribution.
96   * 
97   * 3. The name "DOM4J" must not be used to endorse or promote products derived
98   * from this Software without prior written permission of MetaStuff, Ltd. For
99   * written permission, please contact dom4j-info@metastuff.com.
100  * 
101  * 4. Products derived from this Software may not be called "DOM4J" nor may
102  * "DOM4J" appear in their names without prior written permission of MetaStuff,
103  * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
104  * 
105  * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
106  * 
107  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
108  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
109  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
110  * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
111  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
112  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
113  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
114  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
115  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
116  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
117  * POSSIBILITY OF SUCH DAMAGE.
118  * 
119  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
120  */