| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
| SAXPathException |
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| 1.8571428571428572;1.857 |
| 1 | /* |
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| 2 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/saxpath/SAXPathException.java,v 1.12 2005/09/24 11:46:45 elharo Exp $ |
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| 3 | * $Revision: 1.12 $ |
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| 4 | * $Date: 2005/09/24 11:46:45 $ |
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| 5 | * |
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| 6 | * ==================================================================== |
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| 7 | * |
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| 8 | * Copyright (C) 2000-2002 bob mcwhirter & James Strachan. |
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| 9 | * All rights reserved. |
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| 10 | * |
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| 11 | * Redistribution and use in source and binary forms, with or without |
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| 12 | * modification, are permitted provided that the following conditions |
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| 13 | * are met: |
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| 14 | * |
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| 15 | * 1. Redistributions of source code must retain the above copyright |
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| 16 | * notice, this list of conditions, and the following disclaimer. |
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| 17 | * |
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| 18 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 19 | * notice, this list of conditions, and the disclaimer that follows |
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| 20 | * these conditions in the documentation and/or other materials |
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| 21 | * provided with the distribution. |
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| 22 | * |
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| 23 | * 3. The name "Jaxen" must not be used to endorse or promote products |
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| 24 | * derived from this software without prior written permission. For |
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| 25 | * written permission, please contact license@jaxen.org. |
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| 26 | * |
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| 27 | * 4. Products derived from this software may not be called "Jaxen", nor |
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| 28 | * may "Jaxen" appear in their name, without prior written permission |
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| 29 | * from the Jaxen Project Management (pm@jaxen.org). |
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| 30 | * |
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| 31 | * In addition, we request (but do not require) that you include in the |
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| 32 | * end-user documentation provided with the redistribution and/or in the |
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| 33 | * software itself an acknowledgement equivalent to the following: |
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| 34 | * "This product includes software developed by the |
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| 35 | * Jaxen Project <http://www.jaxen.org/>." |
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| 36 | * Alternatively, the acknowledgment may be graphical using the logos |
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| 37 | * available at http://www.jaxen.org/ |
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| 38 | * |
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| 39 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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| 40 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 41 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 42 | * DISCLAIMED. IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT |
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| 43 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| 45 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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| 46 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 47 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| 48 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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| 49 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 50 | * SUCH DAMAGE. |
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| 51 | * |
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| 52 | * ==================================================================== |
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| 53 | * This software consists of voluntary contributions made by many |
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| 54 | * individuals on behalf of the Jaxen Project and was originally |
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| 55 | * created by bob mcwhirter <bob@werken.com> and |
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| 56 | * James Strachan <jstrachan@apache.org>. For more information on the |
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| 57 | * Jaxen Project, please see <http://www.jaxen.org/>. |
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| 58 | * |
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| 59 | * $Id: SAXPathException.java,v 1.12 2005/09/24 11:46:45 elharo Exp $ |
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| 60 | */ |
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| 61 | ||
| 62 | package org.jaxen.saxpath; |
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| 63 | ||
| 64 | import java.io.PrintStream; |
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| 65 | import java.io.PrintWriter; |
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| 66 | ||
| 67 | /** Base of all SAXPath exceptions. |
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| 68 | * |
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| 69 | * @author bob mcwhirter (bob@werken.com) |
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| 70 | */ |
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| 71 | public class SAXPathException extends Exception |
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| 72 | { |
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| 73 | ||
| 74 | 270 | private static double javaVersion = 1.4; |
| 75 | ||
| 76 | static { |
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| 77 | try { |
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| 78 | 270 | String versionString = System.getProperty("java.version"); |
| 79 | 270 | versionString = versionString.substring(0, 3); |
| 80 | 270 | javaVersion = Double.valueOf(versionString).doubleValue(); |
| 81 | } |
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| 82 | 0 | catch (Exception ex) { |
| 83 | // The version string format changed so presumably it's |
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| 84 | // 1.4 or later. |
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| 85 | 270 | } |
| 86 | 270 | } |
| 87 | ||
| 88 | /** Create a new SAXPathException with a given message. |
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| 89 | * |
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| 90 | * @param message the error message |
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| 91 | */ |
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| 92 | public SAXPathException(String message) |
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| 93 | { |
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| 94 | 738 | super( message ); |
| 95 | 738 | } |
| 96 | ||
| 97 | /** Create a new SAXPathException based on another exception |
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| 98 | * |
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| 99 | * @param cause the error source |
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| 100 | */ |
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| 101 | public SAXPathException(Throwable cause) |
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| 102 | { |
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| 103 | 252 | super ( cause.getMessage() ); |
| 104 | 252 | initCause(cause); |
| 105 | 252 | } |
| 106 | ||
| 107 | /** |
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| 108 | * Create a new SAXPathException with the specified detail message |
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| 109 | * and root cause. |
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| 110 | * |
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| 111 | * @param message the detail message |
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| 112 | * @param cause the cause of this exception |
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| 113 | */ |
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| 114 | public SAXPathException(String message, Throwable cause) { |
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| 115 | 6 | super( message ); |
| 116 | 6 | initCause(cause); |
| 117 | 6 | } |
| 118 | ||
| 119 | ||
| 120 | private Throwable cause; |
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| 121 | 996 | private boolean causeSet = false; |
| 122 | ||
| 123 | /** |
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| 124 | * Returns the exception that caused this exception. |
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| 125 | * This is necessary to implement Java 1.4 chained exception |
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| 126 | * functionality in a Java 1.3-compatible way. |
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| 127 | * |
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| 128 | * @return the exception that caused this exception |
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| 129 | */ |
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| 130 | public Throwable getCause() { |
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| 131 | 30 | return cause; |
| 132 | } |
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| 133 | ||
| 134 | ||
| 135 | /** |
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| 136 | * Sets the exception that caused this exception. |
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| 137 | * This is necessary to implement Java 1.4 chained exception |
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| 138 | * functionality in a Java 1.3-compatible way. |
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| 139 | * |
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| 140 | * @param cause the exception wrapped in this runtime exception |
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| 141 | * |
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| 142 | * @return this exception |
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| 143 | */ |
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| 144 | public Throwable initCause(Throwable cause) { |
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| 145 | 258 | if (causeSet) throw new IllegalStateException("Cause cannot be reset"); |
| 146 | 258 | if (cause == this) throw new IllegalArgumentException("Exception cannot be its own cause"); |
| 147 | 258 | causeSet = true; |
| 148 | 258 | this.cause = cause; |
| 149 | 258 | return this; |
| 150 | } |
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| 151 | ||
| 152 | /** Print this exception's stack trace, followed by the |
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| 153 | * source exception's trace, if any. |
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| 154 | * |
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| 155 | * @param s the stream on which to print the stack trace |
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| 156 | */ |
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| 157 | public void printStackTrace ( PrintStream s ) |
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| 158 | { |
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| 159 | 0 | super.printStackTrace ( s ); |
| 160 | 0 | if (javaVersion < 1.4 && getCause() != null) { |
| 161 | 0 | s.print( "Caused by: " ); |
| 162 | 0 | getCause().printStackTrace( s ); |
| 163 | } |
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| 164 | 0 | } |
| 165 | ||
| 166 | /** Print this exception's stack trace, followed by the |
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| 167 | * source exception's stack trace, if any. |
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| 168 | * |
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| 169 | * @param s the writer on which to print the stack trace |
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| 170 | */ |
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| 171 | public void printStackTrace ( PrintWriter s ) |
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| 172 | { |
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| 173 | 12 | super.printStackTrace( s ); |
| 174 | 12 | if (javaVersion < 1.4 && getCause() != null) { |
| 175 | 0 | s.print( "Caused by: " ); |
| 176 | 0 | getCause().printStackTrace( s ); |
| 177 | } |
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| 178 | 12 | } |
| 179 | ||
| 180 | } |