001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.net.ftp.parser;
019    
020    /**
021     * This class encapsulates all errors that may be thrown by
022     * the process of an FTPFileEntryParserFactory creating and
023     * instantiating an FTPFileEntryParser.
024     */
025    public class ParserInitializationException extends RuntimeException {
026    
027        /**
028         * Root exception that caused this to be thrown
029         */
030        private final Throwable rootCause;
031    
032        /**
033         * Constucts a ParserInitializationException with just a message
034         *
035         * @param message Exception message
036         */
037        public ParserInitializationException(String message) {
038            super(message);
039            this.rootCause = null;
040        }
041    
042        /**
043         * Constucts a ParserInitializationException with a message
044         * and a root cause.
045         *
046         * @param message   Exception message
047         * @param rootCause root cause throwable that caused
048         * this to be thrown
049         */
050        public ParserInitializationException(String message, Throwable rootCause) {
051            super(message);
052            this.rootCause = rootCause;
053        }
054    
055        /**
056         * returns the root cause of this exception or null
057         * if no root cause was specified.
058         *
059         * @return the root cause of this exception being thrown
060         */
061        public Throwable getRootCause() {
062            return this.rootCause;
063        }
064    
065    }