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    package org.apache.camel.component.irc;
018    
019    import org.apache.camel.Exchange;
020    import org.apache.camel.impl.DefaultProducer;
021    import org.apache.commons.logging.Log;
022    import org.apache.commons.logging.LogFactory;
023    import org.schwering.irc.lib.IRCConnection;
024    
025    public class IrcProducer extends DefaultProducer {
026    
027        public static final String[] COMMANDS = new String[]{"AWAY", "INVITE", "ISON", "JOIN", "KICK", "LIST", "NAMES",
028            "PRIVMSG", "MODE", "NICK", "NOTICE", "PART", "PONG", "QUIT", "TOPIC", "WHO", "WHOIS", "WHOWAS", "USERHOST"};
029    
030        private static final transient Log LOG = LogFactory.getLog(IrcProducer.class);
031    
032        private IRCConnection connection;
033        private IrcEndpoint endpoint;
034    
035        public IrcProducer(IrcEndpoint endpoint, IRCConnection connection) {
036            super(endpoint);
037            this.endpoint = endpoint;
038            this.connection = connection;
039        }
040    
041        public void process(Exchange exchange) throws Exception {
042            final String msg = exchange.getIn().getBody(String.class);
043            final String targetChannel = exchange.getIn().getHeader(IrcConstants.IRC_TARGET, String.class);
044            if (isMessageACommand(msg)) {
045                if (LOG.isDebugEnabled()) {
046                    LOG.debug("Sending command: " + msg);
047                }
048                connection.send(msg);
049            } else if (targetChannel != null) {
050                if (LOG.isDebugEnabled()) {
051                    LOG.debug("Sending to: " + targetChannel + " message: " + msg);
052                }
053                connection.doPrivmsg(targetChannel, msg);
054            } else {
055                for (String channel : endpoint.getConfiguration().getChannels()) {
056                    if (LOG.isDebugEnabled()) {
057                        LOG.debug("Sending to: " + channel + " message: " + msg);
058                    }
059                    connection.doPrivmsg(channel, msg);
060                }
061            }
062        }
063    
064        @Override
065        protected void doStart() throws Exception {
066            super.doStart();
067    
068            for (String channel : endpoint.getConfiguration().getChannels()) {
069                if (LOG.isDebugEnabled()) {
070                    LOG.debug("Joining: " + channel);
071                }
072                connection.doJoin(channel);
073            }
074        }
075    
076        @Override
077        protected void doStop() throws Exception {
078            if (connection != null) {
079                for (String channel : endpoint.getConfiguration().getChannels()) {
080                    if (LOG.isDebugEnabled()) {
081                        LOG.debug("Parting: " + channel);
082                    }
083                    connection.doPart(channel);
084                }
085            }
086            super.doStop();
087        }
088    
089        protected boolean isMessageACommand(String msg) {
090            for (String command : COMMANDS) {
091                if (msg.startsWith(command)) {
092                    return true;
093                }
094            }
095            return false;
096        }
097    
098    }