1 /* 2 * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/saxpath/SAXPathException.java,v 1.3 2005/04/09 13:53:33 elharo Exp $ 3 * $Revision: 1.3 $ 4 * $Date: 2005/04/09 13:53:33 $ 5 * 6 * ==================================================================== 7 * 8 * Copyright (C) 2000-2002 bob mcwhirter & James Strachan. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions, and the following disclaimer. 17 * 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions, and the disclaimer that follows 20 * these conditions in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * 3. The name "Jaxen" must not be used to endorse or promote products 24 * derived from this software without prior written permission. For 25 * written permission, please contact license@jaxen.org. 26 * 27 * 4. Products derived from this software may not be called "Jaxen", nor 28 * may "Jaxen" appear in their name, without prior written permission 29 * from the Jaxen Project Management (pm@jaxen.org). 30 * 31 * In addition, we request (but do not require) that you include in the 32 * end-user documentation provided with the redistribution and/or in the 33 * software itself an acknowledgement equivalent to the following: 34 * "This product includes software developed by the 35 * Jaxen Project (http://www.jaxen.org/)." 36 * Alternatively, the acknowledgment may be graphical using the logos 37 * available at http://www.jaxen.org/ 38 * 39 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 40 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 41 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 42 * DISCLAIMED. IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT 43 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 45 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 46 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 47 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 48 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 49 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * ==================================================================== 53 * This software consists of voluntary contributions made by many 54 * individuals on behalf of the Jaxen Project and was originally 55 * created by bob mcwhirter <bob@werken.com> and 56 * James Strachan <jstrachan@apache.org>. For more information on the 57 * Jaxen Project, please see <http://www.jaxen.org/>. 58 * 59 * $Id: SAXPathException.java,v 1.3 2005/04/09 13:53:33 elharo Exp $ 60 */ 61 62 63 64 65 package org.jaxen.saxpath; 66 67 /*** Base of all SAXPath exceptions. 68 * 69 * @author bob mcwhirter (bob@werken.com) 70 */ 71 public class SAXPathException extends Exception 72 { 73 74 /*** The source exception, if any */ 75 private Throwable cause; 76 77 /*** Construct with a given message. 78 * 79 * @param msg the error message 80 */ 81 public SAXPathException(String msg) 82 { 83 super( msg ); 84 } 85 86 /*** Construct based on another exception 87 * 88 * @param src the error source 89 */ 90 public SAXPathException(Throwable src) 91 { 92 super ( src.getMessage() ); 93 cause = src; 94 } 95 96 /*** If this exception was originally caused by another exception, 97 * return it; otherwise, return <code>null</code>. 98 */ 99 public Throwable getCause() 100 { 101 return cause; 102 } 103 104 /*** Overridden to print this exception's stack, followed by the 105 * source exception's, if any. 106 */ 107 public void printStackTrace () 108 { 109 printStackTrace ( System.err ); 110 } 111 112 /*** Overridden to print this exception's stack, followed by the 113 * source exception's, if any. 114 */ 115 public void printStackTrace ( java.io.PrintStream s ) 116 { 117 super.printStackTrace ( s ); 118 if (cause != null) { 119 s.println ( "root case:" ); 120 cause.printStackTrace ( s ); 121 } 122 } 123 124 /*** Overridden to print this exception's stack, followed by the 125 * source exception's, if any. 126 */ 127 public void printStackTrace (java.io.PrintWriter s) 128 { 129 super.printStackTrace ( s ); 130 if (cause != null) { 131 s.println ( "root case:" ); 132 cause.printStackTrace ( s ); 133 } 134 } 135 136 }