001/* $Id: PluginException.java 471661 2006-11-06 08:09:25Z skitching $
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
019package 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
028public class PluginException extends Exception {
029
030    private Throwable cause = null;
031
032    /**
033     * @param cause underlying exception that caused this to be thrown
034     */
035    public PluginException(Throwable cause) {
036        this(cause.getMessage());
037        this.cause = cause;
038    }
039
040    /**
041     * @param msg describes the reason this exception is being thrown.
042     */
043    public PluginException(String msg) {
044        super(msg);
045    }
046
047    /**
048     * @param msg describes the reason this exception is being thrown.
049     * @param cause underlying exception that caused this to be thrown
050     */
051    public PluginException(String msg, Throwable cause) {
052        this(msg);
053        this.cause = cause;
054    }
055    
056    /**
057     * @return the underlying exception that caused this to be thrown
058     */
059    public Throwable getCause() {
060        return cause;
061    }
062}