001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with 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,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package javax.mail;
021    
022    /**
023     * @version $Rev: 467553 $ $Date: 2006-10-25 00:01:51 -0400 (Wed, 25 Oct 2006) $
024     */
025    public class MessagingException extends Exception {
026        // Required because serialization expects it to be here
027        private Exception next;
028    
029        public MessagingException() {
030            super();
031        }
032    
033        public MessagingException(String message) {
034            super(message);
035        }
036    
037        public MessagingException(String message, Exception cause) {
038            super(message, cause);
039            next = cause;
040        }
041    
042        public Exception getNextException() {
043            return next;
044        }
045    
046        public synchronized boolean setNextException(Exception cause) {
047            if (next == null) {
048                initCause(cause);
049                next = cause;
050                return true;
051            } else if (next instanceof MessagingException) {
052                return ((MessagingException) next).setNextException(cause);
053            } else {
054                return false;
055            }
056        }
057    
058        public String getMessage() {
059            Exception next = getNextException();
060            if (next == null) {
061                return super.getMessage();
062            } else {
063                return super.getMessage()
064                        + " ("
065                        + next.getClass().getName()
066                        + ": "
067                        + next.getMessage()
068                        + ")";
069            }
070        }
071    }