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.RuntimeCamelException;
023 import org.apache.camel.impl.DefaultComponent;
024 import org.schwering.irc.lib.IRCConnection;
025 import org.schwering.irc.lib.IRCEventListener;
026 import org.schwering.irc.lib.ssl.SSLIRCConnection;
027 import org.slf4j.Logger;
028 import org.slf4j.LoggerFactory;
029
030 /**
031 * Defines the <a href="http://camel.apache.org/irc.html">IRC Component</a>
032 *
033 * @version
034 */
035 public class IrcComponent extends DefaultComponent {
036 private static final transient Logger LOG = LoggerFactory.getLogger(IrcComponent.class);
037 private final Map<String, IRCConnection> connectionCache = new HashMap<String, IRCConnection>();
038
039 public IrcEndpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
040 // every endpoint gets it's own configuration
041 IrcConfiguration config = new IrcConfiguration();
042 config.configure(uri);
043
044 IrcEndpoint endpoint = new IrcEndpoint(uri, this, config);
045 setProperties(endpoint.getConfiguration(), parameters);
046 return endpoint;
047 }
048
049 public synchronized IRCConnection getIRCConnection(IrcConfiguration configuration) {
050 final IRCConnection connection;
051 if (connectionCache.containsKey(configuration.getCacheKey())) {
052 if (LOG.isDebugEnabled()) {
053 LOG.debug("Returning Cached Connection to " + configuration.getHostname() + ":" + configuration.getNickname());
054 }
055 connection = connectionCache.get(configuration.getCacheKey());
056 } else {
057 connection = createConnection(configuration);
058 connectionCache.put(configuration.getCacheKey(), connection);
059 }
060 return connection;
061 }
062
063 protected IRCConnection createConnection(IrcConfiguration configuration) {
064 IRCConnection conn = null;
065 IRCEventListener ircLogger;
066
067 if (configuration.getUsingSSL()) {
068 if (LOG.isDebugEnabled()) {
069 LOG.debug("Creating SSL Connection to " + configuration.getHostname() + " destination(s): " + configuration.getListOfChannels()
070 + " nick: " + configuration.getNickname() + " user: " + configuration.getUsername());
071 }
072 SSLIRCConnection sconn = new SSLIRCConnection(configuration.getHostname(), configuration.getPorts(), configuration.getPassword(),
073 configuration.getNickname(), configuration.getUsername(), configuration.getRealname());
074
075 sconn.addTrustManager(configuration.getTrustManager());
076 conn = sconn;
077
078 } else {
079 if (LOG.isDebugEnabled()) {
080 LOG.debug("Creating Connection to " + configuration.getHostname() + " destination(s): " + configuration.getListOfChannels()
081 + " nick: " + configuration.getNickname() + " user: " + configuration.getUsername());
082 }
083
084 conn = new IRCConnection(configuration.getHostname(), configuration.getPorts(), configuration.getPassword(),
085 configuration.getNickname(), configuration.getUsername(), configuration.getRealname());
086 }
087 conn.setEncoding("UTF-8");
088 conn.setColors(configuration.isColors());
089 conn.setPong(true);
090
091 if (LOG.isDebugEnabled()) {
092 LOG.debug("Adding IRC event logging listener");
093 ircLogger = createIrcLogger(configuration.getHostname());
094 conn.addIRCEventListener(ircLogger);
095 }
096
097 try {
098 conn.connect();
099 } catch (Exception e) {
100 throw new RuntimeCamelException(e);
101 }
102 return conn;
103 }
104
105 public void closeConnection(String key, IRCConnection connection) {
106 try {
107 connection.doQuit();
108 connection.close();
109 } catch (Exception e) {
110 LOG.warn("Error during closing connection.", e);
111 }
112 }
113
114 @Override
115 protected void doStop() throws Exception {
116 // lets use a copy so we can clear the connections eagerly in case of exceptions
117 Map<String, IRCConnection> map = new HashMap<String, IRCConnection>(connectionCache);
118 connectionCache.clear();
119 for (Map.Entry<String, IRCConnection> entry : map.entrySet()) {
120 closeConnection(entry.getKey(), entry.getValue());
121 }
122 super.doStop();
123 }
124
125 protected IRCEventListener createIrcLogger(String hostname) {
126 return new IrcLogger(LOG, hostname);
127 }
128 }