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: 920714 $ $Date: 2010-03-09 01:55:49 -0500 (Tue, 09 Mar 2010) $
024     */
025    public class MessagingException extends Exception {
026            
027            private static final long serialVersionUID = -7569192289819959253L;
028            
029        // Required because serialization expects it to be here
030        private Exception next;
031    
032        public MessagingException() {
033            super();
034        }
035    
036        public MessagingException(String message) {
037            super(message);
038        }
039    
040        public MessagingException(String message, Exception cause) {
041            super(message, cause);
042            next = cause;
043        }
044    
045        public Exception getNextException() {
046            return next;
047        }
048    
049        public synchronized boolean setNextException(Exception cause) {
050            if (next == null) {
051                initCause(cause);
052                next = cause;
053                return true;
054            } else if (next instanceof MessagingException) {
055                return ((MessagingException) next).setNextException(cause);
056            } else {
057                return false;
058            }
059        }
060    
061        public String getMessage() {
062            Exception next = getNextException();
063            if (next == null) {
064                return super.getMessage();
065            } else {
066                return super.getMessage()
067                        + " ("
068                        + next.getClass().getName()
069                        + ": "
070                        + next.getMessage()
071                        + ")";
072            }
073        }
074    }