001    /* $Id: DigesterLoadingException.java 729094 2008-12-23 20:30:47Z rahul $
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    
020    package 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    
029    public 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        public Throwable getCause() {
065            return cause;
066        }
067    }