/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.component.irc;
import java.util.List;
import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
import org.apache.camel.Processor;
import org.apache.camel.impl.DefaultEndpoint;
import org.apache.camel.impl.DefaultExchange;
import org.apache.camel.util.ObjectHelper;
import org.apache.camel.util.UnsafeUriCharactersEncoder;
import org.schwering.irc.lib.IRCConnection;
import org.schwering.irc.lib.IRCEventAdapter;
import org.schwering.irc.lib.IRCModeParser;
import org.schwering.irc.lib.IRCUser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Defines the <a href="http://camel.apache.org/irc.html">IRC Endpoint</a>
*
* @version
*/
public class IrcEndpoint extends DefaultEndpoint {
private static final transient Logger LOG = LoggerFactory.getLogger(IrcEndpoint.class);
private IrcBinding binding;
private IrcConfiguration configuration;
private IrcComponent component;
public IrcEndpoint(String endpointUri, IrcComponent component, IrcConfiguration configuration) {
super(UnsafeUriCharactersEncoder.encode(endpointUri), component);
this.component = component;
this.configuration = configuration;
}
public boolean isSingleton() {
return true;
}
public Exchange createExchange(ExchangePattern pattern) {
DefaultExchange exchange = new DefaultExchange(this, pattern);
exchange.setProperty(Exchange.BINDING, getBinding());
return exchange;
}
public Exchange createOnPrivmsgExchange(String target, IRCUser user, String msg) {
DefaultExchange exchange = getExchange();
exchange.setIn(new IrcMessage("PRIVMSG", target, user, msg));
return exchange;
}
public Exchange createOnNickExchange(IRCUser user, String newNick) {
DefaultExchange exchange = getExchange();
exchange.setIn(new IrcMessage("NICK", user, newNick));
return exchange;
}
public Exchange createOnQuitExchange(IRCUser user, String msg) {
DefaultExchange exchange = getExchange();
exchange.setIn(new IrcMessage("QUIT", user, msg));
return exchange;
}
public Exchange createOnJoinExchange(String channel, IRCUser user) {
DefaultExchange exchange = getExchange();
exchange.setIn(new IrcMessage("JOIN", channel, user));
return exchange;
}
public Exchange createOnKickExchange(String channel, IRCUser user, String whoWasKickedNick, String msg) {
DefaultExchange exchange = getExchange();
exchange.setIn(new IrcMessage("KICK", channel, user, whoWasKickedNick, msg));
return exchange;
}
public Exchange createOnModeExchange(String channel, IRCUser user, IRCModeParser modeParser) {
DefaultExchange exchange = getExchange();
exchange.setIn(new IrcMessage("MODE", channel, user, modeParser.getLine()));
return exchange;
}
public Exchange createOnPartExchange(String channel, IRCUser user, String msg) {
DefaultExchange exchange = getExchange();
exchange.setIn(new IrcMessage("PART", channel, user, msg));
return exchange;
}
public Exchange createOnReplyExchange(int num, String value, String msg) {
DefaultExchange exchange = getExchange();
exchange.setIn(new IrcMessage("REPLY", num, value, msg));
return exchange;
}
public Exchange createOnTopicExchange(String channel, IRCUser user, String topic) {
DefaultExchange exchange = getExchange();
exchange.setIn(new IrcMessage("TOPIC", channel, user, topic));
return exchange;
}
public IrcProducer createProducer() throws Exception {
return new IrcProducer(this, component.getIRCConnection(configuration));
}
public IrcConsumer createConsumer(Processor processor) throws Exception {
return new IrcConsumer(this, processor, component.getIRCConnection(configuration));
}
public IrcComponent getComponent() {
return component;
}
public void setComponent(IrcComponent component) {
this.component = component;
}
public IrcBinding getBinding() {
if (binding == null) {
binding = new IrcBinding();
}
return binding;
}
public void setBinding(IrcBinding binding) {
this.binding = binding;
}
public IrcConfiguration getConfiguration() {
return configuration;
}
public void setConfiguration(IrcConfiguration configuration) {
this.configuration = configuration;
}
public void handleIrcError(int num, String msg) {
if (IRCEventAdapter.ERR_NICKNAMEINUSE == num) {
handleNickInUse();
}
}
private void handleNickInUse() {
IRCConnection connection = component.getIRCConnection(configuration);
String nick = connection.getNick() + "-";
// hackish but working approach to prevent an endless loop. Abort after 4 nick attempts.
if (nick.endsWith("----")) {
LOG.error("Unable to set nick: " + nick + " disconnecting");
} else {
LOG.warn("Unable to set nick: " + nick + " Retrying with " + nick + "-");
connection.doNick(nick);
// if the nick failure was doing startup channels weren't joined. So join
// the channels now. It's a no-op if the channels are already joined.
joinChannels();
}
}
private DefaultExchange getExchange() {
DefaultExchange exchange = new DefaultExchange(this, getExchangePattern());
exchange.setProperty(Exchange.BINDING, getBinding());
return exchange;
}
public void joinChannels() {
for (IrcChannel channel : configuration.getChannels()) {
joinChannel(channel);
}
}
public void joinChannel(String name) {
joinChannel(configuration.findChannel(name));
}
public void joinChannel(IrcChannel channel) {
if (channel == null) {
return;
}
IRCConnection connection = component.getIRCConnection(configuration);
String chn = channel.getName();
String key = channel.getKey();
if (ObjectHelper.isNotEmpty(key)) {
if (LOG.isDebugEnabled()) {
LOG.debug("Joining: {} using {} with secret key", channel, connection.getClass().getName());
}
connection.doJoin(chn, key);
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Joining: {} using {}", channel, connection.getClass().getName());
}
connection.doJoin(chn);
}
}
}