| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| SAXPathException |
|
| 1.8571428571428572;1.857 |
| 1 | /* | |
| 2 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/saxpath/SAXPathException.java,v 1.14 2006/06/03 20:28:45 elharo Exp $ | |
| 3 | * $Revision: 1.14 $ | |
| 4 | * $Date: 2006/06/03 20:28:45 $ | |
| 5 | * | |
| 6 | * ==================================================================== | |
| 7 | * | |
| 8 | * Copyright 2000-2002 bob mcwhirter & James Strachan. | |
| 9 | * All rights reserved. | |
| 10 | * | |
| 11 | * | |
| 12 | * Redistribution and use in source and binary forms, with or without | |
| 13 | * modification, are permitted provided that the following conditions are | |
| 14 | * met: | |
| 15 | * | |
| 16 | * * Redistributions of source code must retain the above copyright | |
| 17 | * notice, this list of conditions and the following disclaimer. | |
| 18 | * | |
| 19 | * * Redistributions in binary form must reproduce the above copyright | |
| 20 | * notice, this list of conditions and the following disclaimer in the | |
| 21 | * documentation and/or other materials provided with the distribution. | |
| 22 | * | |
| 23 | * * Neither the name of the Jaxen Project nor the names of its | |
| 24 | * contributors may be used to endorse or promote products derived | |
| 25 | * from this software without specific prior written permission. | |
| 26 | * | |
| 27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
| 28 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
| 29 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
| 30 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | |
| 31 | * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 32 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 33 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 34 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 35 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 36 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 37 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 38 | * | |
| 39 | * ==================================================================== | |
| 40 | * This software consists of voluntary contributions made by many | |
| 41 | * individuals on behalf of the Jaxen Project and was originally | |
| 42 | * created by bob mcwhirter <bob@werken.com> and | |
| 43 | * James Strachan <jstrachan@apache.org>. For more information on the | |
| 44 | * Jaxen Project, please see <http://www.jaxen.org/>. | |
| 45 | * | |
| 46 | * $Id: SAXPathException.java,v 1.14 2006/06/03 20:28:45 elharo Exp $ | |
| 47 | */ | |
| 48 | ||
| 49 | package org.jaxen.saxpath; | |
| 50 | ||
| 51 | import java.io.PrintStream; | |
| 52 | import java.io.PrintWriter; | |
| 53 | ||
| 54 | /** Base of all SAXPath exceptions. | |
| 55 | * | |
| 56 | * @author bob mcwhirter (bob@werken.com) | |
| 57 | */ | |
| 58 | public class SAXPathException extends Exception | |
| 59 | { | |
| 60 | ||
| 61 | /** | |
| 62 | * | |
| 63 | */ | |
| 64 | private static final long serialVersionUID = 4826444568928720706L; | |
| 65 | ||
| 66 | 94 | private static double javaVersion = 1.4; |
| 67 | ||
| 68 | static { | |
| 69 | try { | |
| 70 | 94 | String versionString = System.getProperty("java.version"); |
| 71 | 94 | versionString = versionString.substring(0, 3); |
| 72 | 94 | javaVersion = Double.valueOf(versionString).doubleValue(); |
| 73 | } | |
| 74 | 0 | catch (Exception ex) { |
| 75 | // The version string format changed so presumably it's | |
| 76 | // 1.4 or later. | |
| 77 | 94 | } |
| 78 | 94 | } |
| 79 | ||
| 80 | /** Create a new SAXPathException with a given message. | |
| 81 | * | |
| 82 | * @param message the error message | |
| 83 | */ | |
| 84 | public SAXPathException(String message) | |
| 85 | { | |
| 86 | 258 | super( message ); |
| 87 | 258 | } |
| 88 | ||
| 89 | /** Create a new SAXPathException based on another exception | |
| 90 | * | |
| 91 | * @param cause the error source | |
| 92 | */ | |
| 93 | public SAXPathException(Throwable cause) | |
| 94 | { | |
| 95 | 92 | super ( cause.getMessage() ); |
| 96 | 92 | initCause(cause); |
| 97 | 92 | } |
| 98 | ||
| 99 | /** | |
| 100 | * Create a new SAXPathException with the specified detail message | |
| 101 | * and root cause. | |
| 102 | * | |
| 103 | * @param message the detail message | |
| 104 | * @param cause the cause of this exception | |
| 105 | */ | |
| 106 | public SAXPathException(String message, Throwable cause) { | |
| 107 | 2 | super( message ); |
| 108 | 2 | initCause(cause); |
| 109 | 2 | } |
| 110 | ||
| 111 | ||
| 112 | private Throwable cause; | |
| 113 | 352 | private boolean causeSet = false; |
| 114 | ||
| 115 | /** | |
| 116 | * Returns the exception that caused this exception. | |
| 117 | * This is necessary to implement Java 1.4 chained exception | |
| 118 | * functionality in a Java 1.3-compatible way. | |
| 119 | * | |
| 120 | * @return the exception that caused this exception | |
| 121 | */ | |
| 122 | public Throwable getCause() { | |
| 123 | 10 | return cause; |
| 124 | } | |
| 125 | ||
| 126 | ||
| 127 | /** | |
| 128 | * Sets the exception that caused this exception. | |
| 129 | * This is necessary to implement Java 1.4 chained exception | |
| 130 | * functionality in a Java 1.3-compatible way. | |
| 131 | * | |
| 132 | * @param cause the exception wrapped in this runtime exception | |
| 133 | * | |
| 134 | * @return this exception | |
| 135 | */ | |
| 136 | public Throwable initCause(Throwable cause) { | |
| 137 | 94 | if (causeSet) throw new IllegalStateException("Cause cannot be reset"); |
| 138 | 94 | if (cause == this) throw new IllegalArgumentException("Exception cannot be its own cause"); |
| 139 | 94 | causeSet = true; |
| 140 | 94 | this.cause = cause; |
| 141 | 94 | return this; |
| 142 | } | |
| 143 | ||
| 144 | /** Print this exception's stack trace, followed by the | |
| 145 | * source exception's trace, if any. | |
| 146 | * | |
| 147 | * @param s the stream on which to print the stack trace | |
| 148 | */ | |
| 149 | public void printStackTrace ( PrintStream s ) | |
| 150 | { | |
| 151 | 0 | super.printStackTrace ( s ); |
| 152 | 0 | if (javaVersion < 1.4 && getCause() != null) { |
| 153 | 0 | s.print( "Caused by: " ); |
| 154 | 0 | getCause().printStackTrace( s ); |
| 155 | } | |
| 156 | 0 | } |
| 157 | ||
| 158 | /** Print this exception's stack trace, followed by the | |
| 159 | * source exception's stack trace, if any. | |
| 160 | * | |
| 161 | * @param s the writer on which to print the stack trace | |
| 162 | */ | |
| 163 | public void printStackTrace ( PrintWriter s ) | |
| 164 | { | |
| 165 | 4 | super.printStackTrace( s ); |
| 166 | 4 | if (javaVersion < 1.4 && getCause() != null) { |
| 167 | 0 | s.print( "Caused by: " ); |
| 168 | 0 | getCause().printStackTrace( s ); |
| 169 | } | |
| 170 | 4 | } |
| 171 | ||
| 172 | } |