Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
JaxenRuntimeException |
|
| 2.0;2 |
1 | package org.jaxen; | |
2 | ||
3 | import java.io.PrintStream; | |
4 | import java.io.PrintWriter; | |
5 | ||
6 | /* | |
7 | * $Header: $ | |
8 | * $Revision: $ | |
9 | * $Date: $ | |
10 | * | |
11 | * ==================================================================== | |
12 | * | |
13 | * Copyright 2000-2005 bob mcwhirter & James Strachan. | |
14 | * All rights reserved. | |
15 | * | |
16 | * | |
17 | * Redistribution and use in source and binary forms, with or without | |
18 | * modification, are permitted provided that the following conditions are | |
19 | * met: | |
20 | * | |
21 | * * Redistributions of source code must retain the above copyright | |
22 | * notice, this list of conditions and the following disclaimer. | |
23 | * | |
24 | * * Redistributions in binary form must reproduce the above copyright | |
25 | * notice, this list of conditions and the following disclaimer in the | |
26 | * documentation and/or other materials provided with the distribution. | |
27 | * | |
28 | * * Neither the name of the Jaxen Project nor the names of its | |
29 | * contributors may be used to endorse or promote products derived | |
30 | * from this software without specific prior written permission. | |
31 | * | |
32 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
33 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
34 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
35 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | |
36 | * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
37 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
38 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
39 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
40 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
41 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
42 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
43 | * | |
44 | * ==================================================================== | |
45 | * This software consists of voluntary contributions made by many | |
46 | * individuals on behalf of the Jaxen Project and was originally | |
47 | * created by bob mcwhirter <bob@werken.com> and | |
48 | * James Strachan <jstrachan@apache.org>. For more information on the | |
49 | * Jaxen Project, please see <http://www.jaxen.org/>. | |
50 | * | |
51 | * $Id: $ | |
52 | */ | |
53 | ||
54 | /** | |
55 | * This class exists to wrap Jaxen exceptions that otherwise wouldn't be propagated | |
56 | * up through the axis iterators. | |
57 | */ | |
58 | public class JaxenRuntimeException extends RuntimeException | |
59 | { | |
60 | /** | |
61 | * | |
62 | */ | |
63 | private static final long serialVersionUID = -930309761511911193L; | |
64 | ||
65 | private Throwable cause; | |
66 | 6 | private boolean causeSet = false; |
67 | ||
68 | /** | |
69 | * Create a new JaxenRuntimeException. | |
70 | * | |
71 | * @param cause the nested exception that's wrapped | |
72 | * inside this exception | |
73 | */ | |
74 | public JaxenRuntimeException(Throwable cause) | |
75 | { | |
76 | 4 | super(cause.getMessage()); |
77 | 4 | initCause(cause); |
78 | 4 | } |
79 | ||
80 | /** | |
81 | * Create a new JaxenRuntimeException. | |
82 | * | |
83 | * @param message the detail message | |
84 | */ | |
85 | public JaxenRuntimeException(String message) { | |
86 | 2 | super(message); |
87 | 2 | } |
88 | ||
89 | /** | |
90 | * Returns the exception that caused this exception. | |
91 | * This is necessary to implement Java 1.4 chained exception | |
92 | * functionality in a Java 1.3-compatible way. | |
93 | * | |
94 | * @return the exception that caused this exception | |
95 | */ | |
96 | public Throwable getCause() { | |
97 | 4 | return cause; |
98 | } | |
99 | ||
100 | ||
101 | /** | |
102 | * Sets the exception that caused this exception. | |
103 | * This is necessary to implement Java 1.4 chained exception | |
104 | * functionality in a Java 1.3-compatible way. | |
105 | * | |
106 | * @param cause the exception wrapped in this runtime exception | |
107 | * | |
108 | * @return this exception | |
109 | */ | |
110 | public Throwable initCause(Throwable cause) { | |
111 | 4 | if (causeSet) throw new IllegalStateException("Cause cannot be reset"); |
112 | 4 | if (cause == this) throw new IllegalArgumentException("Exception cannot be its own cause"); |
113 | 4 | causeSet = true; |
114 | 4 | this.cause = cause; |
115 | 4 | return this; |
116 | } | |
117 | ||
118 | /** Print this exception's stack trace, followed by the | |
119 | * source exception's trace, if any. | |
120 | * | |
121 | * @param s the stream on which to print the stack trace | |
122 | */ | |
123 | public void printStackTrace ( PrintStream s ) | |
124 | { | |
125 | 0 | super.printStackTrace ( s ); |
126 | 0 | if (JaxenException.javaVersion < 1.4 && getCause() != null) { |
127 | 0 | s.print( "Caused by: " ); |
128 | 0 | getCause().printStackTrace( s ); |
129 | } | |
130 | 0 | } |
131 | ||
132 | /** Print this exception's stack trace, followed by the | |
133 | * source exception's stack trace, if any. | |
134 | * | |
135 | * @param s the writer on which to print the stack trace | |
136 | */ | |
137 | public void printStackTrace ( PrintWriter s ) | |
138 | { | |
139 | 2 | super.printStackTrace( s ); |
140 | 2 | if (JaxenException.javaVersion < 1.4 && getCause() != null) { |
141 | 0 | s.print( "Caused by: " ); |
142 | 0 | getCause().printStackTrace( s ); |
143 | } | |
144 | 2 | } |
145 | ||
146 | } |