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 java.util.HashMap;
020 import java.util.Map;
021
022 import org.apache.camel.CamelContext;
023 import org.apache.camel.RuntimeCamelException;
024 import org.apache.camel.impl.DefaultComponent;
025 import org.apache.commons.logging.Log;
026 import org.apache.commons.logging.LogFactory;
027 import org.schwering.irc.lib.IRCConnection;
028 import org.schwering.irc.lib.IRCEventListener;
029 import org.schwering.irc.lib.ssl.SSLIRCConnection;
030
031 /**
032 * Defines the <a href="http://camel.apache.org/irc.html">IRC Component</a>
033 *
034 * @version $Revision: 1049089 $
035 */
036 public class IrcComponent extends DefaultComponent {
037 private static final transient Log LOG = LogFactory.getLog(IrcComponent.class);
038 private final Map<String, IRCConnection> connectionCache = new HashMap<String, IRCConnection>();
039
040 public IrcEndpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
041 // every endpoint gets it's own configuration
042 IrcConfiguration config = new IrcConfiguration();
043 config.configure(uri);
044
045 IrcEndpoint endpoint = new IrcEndpoint(uri, this, config);
046 setProperties(endpoint.getConfiguration(), parameters);
047 return endpoint;
048 }
049
050 public synchronized IRCConnection getIRCConnection(IrcConfiguration configuration) {
051 final IRCConnection connection;
052 if (connectionCache.containsKey(configuration.getCacheKey())) {
053 if (LOG.isDebugEnabled()) {
054 LOG.debug("Returning Cached Connection to " + configuration.getHostname() + ":" + configuration.getNickname());
055 }
056 connection = connectionCache.get(configuration.getCacheKey());
057 } else {
058 connection = createConnection(configuration);
059 connectionCache.put(configuration.getCacheKey(), connection);
060 }
061 return connection;
062 }
063
064 protected IRCConnection createConnection(IrcConfiguration configuration) {
065 IRCConnection conn = null;
066 IRCEventListener ircLogger;
067
068 if (configuration.getUsingSSL()) {
069 if (LOG.isDebugEnabled()) {
070 LOG.debug("Creating SSL Connection to " + configuration.getHostname() + " destination(s): " + configuration.getListOfChannels()
071 + " nick: " + configuration.getNickname() + " user: " + configuration.getUsername());
072 }
073 SSLIRCConnection sconn = new SSLIRCConnection(configuration.getHostname(), configuration.getPorts(), configuration.getPassword(),
074 configuration.getNickname(), configuration.getUsername(), configuration.getRealname());
075
076 sconn.addTrustManager(configuration.getTrustManager());
077 conn = sconn;
078
079 } else {
080 if (LOG.isDebugEnabled()) {
081 LOG.debug("Creating Connection to " + configuration.getHostname() + " destination(s): " + configuration.getListOfChannels()
082 + " nick: " + configuration.getNickname() + " user: " + configuration.getUsername());
083 }
084
085 conn = new IRCConnection(configuration.getHostname(), configuration.getPorts(), configuration.getPassword(),
086 configuration.getNickname(), configuration.getUsername(), configuration.getRealname());
087 }
088 conn.setEncoding("UTF-8");
089 conn.setColors(configuration.isColors());
090 conn.setPong(true);
091
092 if (LOG.isDebugEnabled()) {
093 LOG.debug("Adding IRC event logging listener");
094 ircLogger = createIrcLogger(configuration.getHostname());
095 conn.addIRCEventListener(ircLogger);
096 }
097
098 try {
099 conn.connect();
100 } catch (Exception e) {
101 throw new RuntimeCamelException(e);
102 }
103 return conn;
104 }
105
106 public void closeConnection(String key, IRCConnection connection) {
107 try {
108 connection.doQuit();
109 connection.close();
110 } catch (Exception e) {
111 LOG.warn("Error during closing connection.", e);
112 }
113 }
114
115 @Override
116 protected void doStop() throws Exception {
117 // lets use a copy so we can clear the connections eagerly in case of exceptions
118 Map<String, IRCConnection> map = new HashMap<String, IRCConnection>(connectionCache);
119 connectionCache.clear();
120 for (Map.Entry<String, IRCConnection> entry : map.entrySet()) {
121 closeConnection(entry.getKey(), entry.getValue());
122 }
123 super.doStop();
124 }
125
126 protected IRCEventListener createIrcLogger(String hostname) {
127 return new IrcLogger(LOG, hostname);
128 }
129 }