001    /* $Id: PluginException.java 729089 2008-12-23 20:22:26Z 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    package org.apache.commons.digester.plugins;
020    
021    /**
022     * Thrown when some plugin-related error has occurred, and none of the
023     * other exception types are appropriate.
024     *
025     * @since 1.6
026     */
027    
028    public class PluginException extends Exception {
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 PluginException(Throwable cause) {
037            this(cause.getMessage());
038            this.cause = cause;
039        }
040    
041        /**
042         * @param msg describes the reason this exception is being thrown.
043         */
044        public PluginException(String msg) {
045            super(msg);
046        }
047    
048        /**
049         * @param msg describes the reason this exception is being thrown.
050         * @param cause underlying exception that caused this to be thrown
051         */
052        public PluginException(String msg, Throwable cause) {
053            this(msg);
054            this.cause = cause;
055        }
056        
057        /**
058         * @return the underlying exception that caused this to be thrown
059         */
060        public Throwable getCause() {
061            return cause;
062        }
063    }