| /* |
| * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//jxpath/src/java/org/apache/commons/jxpath/JXPathException.java,v 1.1 2002/04/26 03:28:36 dmitri Exp $ |
| * $Revision: 1.1 $ |
| * $Date: 2002/04/26 03:28:36 $ |
| * |
| * ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999-2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Commons", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 2001, Plotnix, Inc, |
| * <http://www.plotnix.com/>. |
| * For more information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.commons.jxpath; |
| |
| /** |
| * Thrown in various situations by JXPath; may contain a nested exception. |
| * |
| * @author Dmitri Plotnikov |
| * @version $Revision: 1.1 $ $Date: 2002/04/26 03:28:36 $ |
| */ |
| |
| public class JXPathException extends RuntimeException { |
| |
| /** @serial */ |
| private Throwable exception; |
| |
| /** |
| * Create a new <code>JXPathException</code> with no |
| * detail mesage. |
| */ |
| |
| public JXPathException() { |
| super(); |
| this.exception = null; |
| } |
| |
| /** |
| * Create a new <code>JXPathException</code> with |
| * the <code>String </code> specified as an error message. |
| * |
| * @param msg The error message for the exception. |
| */ |
| public JXPathException(String msg) { |
| super(msg); |
| this.exception = null; |
| } |
| |
| |
| /** |
| * Create a new <code>JXPathException</code> with a |
| * given <code>Throwable</code> base cause of the error. |
| * |
| * @param e The exception to be encapsulated in a |
| * JXPathException. |
| */ |
| public JXPathException(Throwable e) { |
| super(e.toString()); |
| this.exception = e; |
| } |
| |
| /** |
| * Create a new <code>JXPathException</code> with the |
| * given <code>Exception</code> base cause and detail message. |
| * |
| * @param e The exception to be encapsulated in a |
| * JXPathException |
| * @param msg The detail message. |
| */ |
| public JXPathException(String msg, Throwable e) { |
| super(msg); |
| this.exception = e; |
| } |
| |
| |
| /** |
| * Return the message (if any) for this error . If there is no |
| * message for the exception and there is an encapsulated |
| * exception then the message of that exception will be returned. |
| * |
| * @return The error message. |
| */ |
| public String getMessage () { |
| String message = super.getMessage (); |
| |
| if (exception != null) { |
| if (message == null){ |
| if (exception.getMessage() != null){ |
| return exception.getMessage(); |
| } |
| else { |
| return exception.getClass().getName(); |
| } |
| } |
| else { |
| if (exception.getMessage() != null){ |
| return message + "; " + exception.getMessage(); |
| } |
| else { |
| return message + "; " + exception.getClass().getName(); |
| } |
| } |
| } |
| |
| return message; |
| } |
| |
| /** |
| * Return the actual exception (if any) that caused this exception to |
| * be raised. |
| * |
| * @return The encapsulated exception, or null if there is none. |
| */ |
| public Throwable getException () { |
| return exception; |
| } |
| } |