001 /* $Id: XmlLoadException.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
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 @Override
055 public Throwable getCause() {
056 return cause;
057 }
058 }