001/* $Id: DigesterLoadingException.java 992060 2010-09-02 19:09:47Z simonetripodi $
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements.  See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * the License.  You may obtain a copy of the License at
009 *
010 *      http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019
020package org.apache.commons.digester.xmlrules;
021
022
023/**
024 * Thrown when an error occurs while parsing XML into Digester rules.
025 *
026 * @since 1.2
027 */
028
029public class DigesterLoadingException extends Exception {
030
031    private static final long serialVersionUID = 1L;
032    private Throwable cause = null;
033
034    /**
035     * @param msg a String detailing the reason for the exception
036     */
037    public DigesterLoadingException(String msg) {
038        super(msg);
039    }
040
041    /**
042     * @param cause underlying exception that caused this to be thrown
043     */
044    public DigesterLoadingException(Throwable cause) {
045        this(cause.getMessage());
046        this.cause = cause;
047    }
048
049    /**
050     * @param msg a String detailing the reason for the exception
051     * @param cause underlying exception that caused this to be thrown
052     */
053    public DigesterLoadingException(String msg, Throwable cause) {
054        this(msg);
055        this.cause = cause;
056    }
057
058    /**
059     * Return the cause of this exception (if any) as specified in the
060     * exception constructor.
061     * 
062     * @since 1.8
063     */
064    @Override
065    public Throwable getCause() {
066        return cause;
067    }
068}