    001    /* $Id: XmlLoadException.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    public class XmlLoadException extends RuntimeException {
    029
    030        private static final long serialVersionUID = 1L;
    031        private Throwable cause = null;
    032
    033        /**
    034         * @param cause underlying exception that caused this to be thrown
    035         */
    036        public XmlLoadException(Throwable cause) {
    037            this(cause.getMessage());
    038            this.cause = cause;
    039        }
    040
    041        public XmlLoadException(String msg) {
    042            super(msg);
    043        }
    044
    045        public XmlLoadException(String msg, Throwable cause) {
    046            this(msg);
    047            this.cause = cause;
    048        }
    049
    050        /**
    051         * Returns the cause of this throwable or null if the cause is
    052         * nonexistent or unknown.
    053         */
    054        public Throwable getCause() {
    055            return cause;
    056        }
    057    }