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: 467553 $ $Date: 2006-10-25 00:01:51 -0400 (Wed, 25 Oct 2006) $
024     */
025    public class ConnectionEvent extends MailEvent {
026        /**
027         * A connection was opened.
028         */
029        public static final int OPENED = 1;
030    
031        /**
032         * A connection was disconnected.
033         */
034        public static final int DISCONNECTED = 2;
035    
036        /**
037         * A connection was closed.
038         */
039        public static final int CLOSED = 3;
040    
041        protected int type;
042    
043        public ConnectionEvent(Object source, int type) {
044            super(source);
045            this.type = type;
046        }
047    
048        public int getType() {
049            return type;
050        }
051    
052        public void dispatch(Object listener) {
053            // assume that it is the right listener type
054            ConnectionListener l = (ConnectionListener) listener;
055            switch (type) {
056            case OPENED:
057                l.opened(this);
058                break;
059            case DISCONNECTED:
060                l.disconnected(this);
061                break;
062            case CLOSED:
063                l.closed(this);
064                break;
065            default:
066                throw new IllegalArgumentException("Invalid type " + type);
067            }
068        }
069    }