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.event;
021    
022    /**
023     * @version $Rev: 920714 $ $Date: 2010-03-09 01:55:49 -0500 (Tue, 09 Mar 2010) $
024     */
025    public class ConnectionEvent extends MailEvent {
026            
027            private static final long serialVersionUID = -1855480171284792957L;
028            
029        /**
030         * A connection was opened.
031         */
032        public static final int OPENED = 1;
033    
034        /**
035         * A connection was disconnected.
036         */
037        public static final int DISCONNECTED = 2;
038    
039        /**
040         * A connection was closed.
041         */
042        public static final int CLOSED = 3;
043    
044        protected int type;
045    
046        public ConnectionEvent(Object source, int type) {
047            super(source);
048            this.type = type;
049        }
050    
051        public int getType() {
052            return type;
053        }
054    
055        public void dispatch(Object listener) {
056            // assume that it is the right listener type
057            ConnectionListener l = (ConnectionListener) listener;
058            switch (type) {
059            case OPENED:
060                l.opened(this);
061                break;
062            case DISCONNECTED:
063                l.disconnected(this);
064                break;
065            case CLOSED:
066                l.closed(this);
067                break;
068            default:
069                throw new IllegalArgumentException("Invalid type " + type);
070            }
071        }
072    }