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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/client/alerters/IRC__Alerter.java

Comparing projects/cms/source/server/uk/org/iscream/cms/server/client/alerters/IRC__Alerter.java (file contents):
Revision 1.3 by tdb, Fri Mar 2 00:37:03 2001 UTC vs.
Revision 1.20 by tdb, Wed Mar 14 23:25:29 2001 UTC

#	Line 1 | Line 1
1		//---PACKAGE DECLARATION---
2	<	package uk.ac.ukc.iscream.client.alerters;
2	>	package uk.org.iscream.client.alerters;
3
4		//---IMPORTS---
5	<	import uk.ac.ukc.iscream.client.*;
6	<	import uk.ac.ukc.iscream.core.*;
7	<	import uk.ac.ukc.iscream.util.*;
8	<	import uk.ac.ukc.iscream.componentmanager.*;
5	>	import uk.org.iscream.client.*;
6	>	import uk.org.iscream.core.*;
7	>	import uk.org.iscream.util.*;
8	>	import uk.org.iscream.componentmanager.*;
9
10		import java.io.*;
11		import java.net.*;
12	+	import java.util.*;
13	+	import java.text.*;
14
15		/**
16		* This Alert sends an IRC message.
17		*
18	+	* Clean shutdown could be achieved by stopping the run() method in the
19	+	* IRCBot inner class.
20	+	*
21		* @author  $Author$
22		* @version $Id$
23		*/
#	Line 25 | Line 30 | public class IRC__Alerter implements PluginAlerter {
30		*/
31		public final String REVISION = "$Revision$";
32
33	+	/**
34	+	* A description of this alerter
35	+	*/
36		public final String DESC = "Sends alerts on an IRC channel";
37
38	+	/**
39	+	* The default reconnect delay in seconds
40	+	*/
41	+	public final int DEFAULT_RECONNECT_DELAY = 30;
42	+
43	+	public final String DEFAULT_LEVEL = Alert.alertLevels[0];
44	+
45	+	public final String NOT_CONFIGURED = "<NOT CONFIGURED>";
46	+
47		//---STATIC METHODS---
48
49		//---CONSTRUCTORS---
50
51		public IRC__Alerter() {
52	<	// get the configuration for this alerter
36	<	Configuration config = ReferenceManager.getInstance().getCM().getConfiguration(_name);
37	<
38	<	// an integer value
39	<	_level = Integer.parseInt(config.getProperty("Alerter.IRC.level"));
40	<	// the hostname of the IRC server
41	<	_IRCServer = config.getProperty("Alerter.IRC.IRCServer");
42	<	// the port number of the IRC server
43	<	_IRCPort = Integer.parseInt(config.getProperty("Alerter.IRC.IRCPort"));
44	<	// the nickname to use
45	<	_nick = config.getProperty("Alerter.IRC.nick");
46	<	// the channel to join
47	<	_channel = config.getProperty("Alerter.IRC.channel");
48	<	// a message with the following: %level% and %message%
49	<	_message = config.getProperty("Alerter.IRC.message");
50	<
52	>
53		// connect to the IRC server
54	<	_ircbot = null;
55	<	try {
56	<	_ircbot = new IRCBot();
57	<	_ircbot.connect();
58	<	_ircbot.sendNotice("iscreamBot activated");
59	<	} catch(IOException e) {
60	<	_logger.write(toString(), Logger.ERROR, "Error starting IRCBot: "+e);
59	<	}
54	>	_ircbot = new IRCBot();
55	>	// set it's name and start it
56	>	_ircbot.setName("client.IRC__Alerter$IRCBot");
57	>	_ircbot.start();
58	>	_startTime = System.currentTimeMillis();
59	>
60	>	_logger.write(toString(), Logger.SYSINIT, "IRC Alerter started");
61		}
62
63		//---PUBLIC METHODS---
64
65		public void sendAlert(Alert alert) {
66	<	// only send if it's equal (or above) our level
67	<	if(alert.getLevel() >= _level) {
68	<	// sort out the message
68	<	String message = _message;
69	<	message = StringUtils.replaceText(message, "%level%", String.valueOf(alert.getLevel()));
70	<	message = StringUtils.replaceText(message, "%source%", alert.getSource());
71	<	message = StringUtils.replaceText(message, "%value%", alert.getValue());
72	<	message = StringUtils.replaceText(message, "%thresholdValue%", alert.getThresholdValue());
73	<	message = StringUtils.replaceText(message, "%attributeName%", alert.getAttributeName());
66	>	// only send alerts if we're active
67	>	if(_active) {
68	>	ConfigurationProxy cp = ConfigurationProxy.getInstance();
69
70	<	// send the message
71	<	_ircbot.sendMsg(message);
70	>	String levelName;
71	>	try {
72	>	levelName = cp.getProperty(_name, "Alerter.IRC.level");
73	>	} catch (PropertyNotFoundException e) {
74	>	levelName = DEFAULT_LEVEL;
75	>	_logger.write(toString(), Logger.WARNING, "Alerter.IRC.level value unavailable using default of " + levelName);
76	>	}
77	>	int level = StringUtils.getStringPos(levelName, Alert.alertLevels);
78	>	// only send if it's equal (or above) our level
79	>	if(((alert.getLevel() == 0) && (alert.getLastLevel() >= level)) || (alert.getLevel() >= level)) {
80	>	String alertType = Alert.alertLevels[alert.getLevel()];
81	>	String thresholdType = Alert.thresholdLevels[alert.getThreshold()];
82	>	String timeFirstSince = DateUtils.formatTime(System.currentTimeMillis() - alert.getInitialAlertTime(), "%DAYS% days, %HOURS% hours, %MINS% mins, and %SECS% secs");
83	>	String timeFirstOccured = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, Locale.UK).format(new Date(alert.getInitialAlertTime()));
84	>	// sort out the message
85	>	String message;
86	>	try {
87	>	message = cp.getProperty(_name, "Alerter.IRC.message");
88	>	} catch (PropertyNotFoundException e) {
89	>	message = NOT_CONFIGURED;
90	>	_logger.write(toString(), Logger.WARNING, "Alerter.IRC.message value unavailable using default of " + message);
91	>	}
92	>
93	>	message = StringUtils.replaceText(message, "%level%", alertType);
94	>	message = StringUtils.replaceText(message, "%threshold%", thresholdType);
95	>	message = StringUtils.replaceText(message, "%source%", alert.getSource());
96	>	message = StringUtils.replaceText(message, "%value%", alert.getValue());
97	>	message = StringUtils.replaceText(message, "%thresholdValue%", alert.getThresholdValue());
98	>	message = StringUtils.replaceText(message, "%attributeName%", alert.getAttributeName());
99	>	message = StringUtils.replaceText(message, "%timeTillNextAlert%",  getTimeString(Long.parseLong(alert.getTimeTillNextAlert())));
100	>	message = StringUtils.replaceText(message, "%timeSinceFirstAlert%", timeFirstSince);
101	>	message = StringUtils.replaceText(message, "%timeOfFirstAlert%", timeFirstOccured);
102	>
103	>	// send the message
104	>	_logger.write(toString(), Logger.DEBUG, "Sending " + _name + " at "+ alertType + " level");
105	>	_ircbot.sendMsg(message);
106	>	_lastAlert = message;
107	>	_lastAlertTime = System.currentTimeMillis();
108	>	_alertCount ++;
109	>	}
110		}
111	+	else {
112	+	_ignoredCount ++;
113	+	}
114		}
115
116		/**
117		* Overrides the {@link java.lang.Object#toString() Object.toString()}
118		* method to provide clean logging (every class should have this).
119		*
120	<	* This uses the uk.ac.ukc.iscream.util.NameFormat class
120	>	* This uses the uk.org.iscream.util.NameFormat class
121		* to format the toString()
122		*
123		* @return the name of this class and its CVS revision
#	Line 102 | Line 138 | public class IRC__Alerter implements PluginAlerter {
138
139		//---PRIVATE METHODS---
140
141	+	private String getTimeString(long time) {
142	+	String timeString = null;
143	+	if (time >= 60) {
144	+	timeString = (time / 60) + " minute(s)";
145	+	} else if (time >= 3600) {
146	+	timeString = ((time/60) / 60) + " hour(s)";
147	+	} else {
148	+	timeString = time + " second(s)";
149	+	}
150	+	return timeString;
151	+	}
152	+
153		//---ACCESSOR/MUTATOR METHODS---
154
155		//---ATTRIBUTES---
108	–
109	–	// an integer value
110	–	private int _level;
156
157	<	// the hostname of the IRC server
158	<	private String _IRCServer;
157	>	/**
158	>	* A reference to the IRCBot
159	>	*/
160	>	private IRCBot _ircbot;
161
162	<	// the port number of the IRC server
163	<	private int _IRCPort;
162	>	/**
163	>	* Are we "active"
164	>	*/
165	>	private boolean _active = false;
166
167	<	// the nickname to use
168	<	private String _nick;
167	>	/**
168	>	* The last alert that was sent
169	>	*/
170	>	private String _lastAlert = "no alerts have been sent";
171
172	<	// the channel to join
173	<	private String _channel;
172	>	/**
173	>	* The time of the last alert
174	>	*/
175	>	private long _lastAlertTime = -1;
176
177	<	// the ircbot
178	<	private IRCBot _ircbot;
177	>	/**
178	>	* Number of alerts sent
179	>	*/
180	>	private int _alertCount = 0;
181
182	<	// a message with the following: %level% and %message%
183	<	private String _message;
182	>	/**
183	>	* Number of alerts ignored when in "stopped" mode
184	>	*/
185	>	private int _ignoredCount = 0;
186
187		/**
188	+	* Time of IRCBot startup
189	+	*/
190	+	private long _startTime;
191	+
192	+	/**
193		* This is the friendly identifier of the
194		* component this class is running in.
195		* eg, a Filter may be called "filter1",
#	Line 136 | Line 198 | public class IRC__Alerter implements PluginAlerter {
198		* can be placed here.  This name could also
199		* be changed to null for utility classes.
200		*/
201	<	private String _name = ClientMain.NAME;
201	>	private String _name = "IRC Alert";
202
203		/**
204		* This holds a reference to the
#	Line 156 | Line 218 | public class IRC__Alerter implements PluginAlerter {
218		*/
219		class IRCBot extends Thread {
220
221	+	public static final String DEFAULT_STARTUP_NOTICE = "i-scream ircbot starting...";
222	+
223		/**
224		* Main thread loop, this part of the class listens for
225		* messages from the server, and acts accordingly. At the
226		* present moment it only responds to pings.
227		*/
228		public void run() {
229	<	// flag so we can stop the loop
229	>	// so we can stop if required
230		boolean run = true;
231		while(run) {
232	+	// flag so we can stop the loop
233	+	boolean doRead = true;
234	+	// get the startup notice
235	+	String startupNotice;
236		try {
237	<	// read a command
238	<	String cmd = _socketIn.readLine();
239	<	// if it's a PING...
240	<	if(cmd.startsWith("PING")) {
241	<	// ...send a PONG
242	<	_socketOut.println("PONG" + cmd.substring(4));
237	>	startupNotice = ConfigurationProxy.getInstance().getProperty(_name, "Alerter.IRC.startupNotice");
238	>	} catch (PropertyNotFoundException e) {
239	>	startupNotice = DEFAULT_STARTUP_NOTICE;
240	>	_logger.write(this.toString(), Logger.WARNING, "Configuration error: "+e);
241	>	}
242	>	// connect to the IRC server
243	>	try {
244	>	connect();
245	>	sendNotice(startupNotice);
246	>	} catch(IOException e) {
247	>	doRead=false;
248	>	_logger.write(this.toString(), Logger.ERROR, "Error connecting: "+e);
249	>	}
250	>	while(doRead) {
251	>	try {
252	>	// read a command
253	>	String cmd = _socketIn.readLine();
254	>	// if we have a null, we've lost contact
255	>	if(cmd == null) {
256	>	throw new IOException("End of stream reached");
257	>	}
258	>	// let another method deal with the input
259	>	handleInput(cmd);
260	>	} catch (IOException e) {
261	>	// comms failure, maybe our link is dead.
262	>	_logger.write(this.toString(), Logger.ERROR, "Communication error: "+e);
263	>	// stop, and loop round for a reconnect.
264	>	doRead = false;
265		}
266	+	}
267	+	// make sure we're disconnected
268	+	try {
269	+	disconnect();
270		} catch (IOException e) {
271	<	// comms failure, lets stop
178	<	_logger.write(this.toString(), Logger.ERROR, "Comms error: "+e);
179	<	//run = false;
271	>	_logger.write(this.toString(), Logger.ERROR, "Communication error: "+e);
272		}
273	+
274	+	// comms have failed, so wait a while and reconnect
275	+	int delayTime = 0;
276	+	try {
277	+	delayTime = Integer.parseInt(ConfigurationProxy.getInstance().getProperty(_name, "Alerter.IRC.reconnectDelay"));
278	+	} catch (NumberFormatException e) {
279	+	delayTime = DEFAULT_RECONNECT_DELAY;
280	+	_logger.write(this.toString(), Logger.WARNING, "Erronous Alerter.IRC.reconnectDelay value in configuration using default of " + delayTime + " seconds");
281	+	} catch (PropertyNotFoundException e) {
282	+	delayTime = DEFAULT_RECONNECT_DELAY;
283	+	_logger.write(this.toString(), Logger.WARNING, "Alerter.IRC.reconnectDelay value unavailable using default of " + delayTime + " seconds");
284	+	}
285	+	try {
286	+	Thread.sleep(delayTime * 1000);
287	+	} catch (InterruptedException e) {}
288		}
289	+	// maybe disconnect here ? - shutdown method not implemented yet
290	+	//disconnect();
291		}
292
293		/**
#	Line 188 | Line 297 | public class IRC__Alerter implements PluginAlerter {
297		*/
298		public void sendMsg(String msg) {
299		_socketOut.println("PRIVMSG "+_channel+" :"+msg);
300	+	// wait a second before returning...
301	+	// this ensures messages can't be sent too fast
302	+	try {Thread.sleep(1000);} catch (InterruptedException e) {}
303		}
304
305		/**
306	+	* Sends a message to the channel.
307	+	*
308	+	* @param user The user to send to
309	+	* @param msg The message to send
310	+	*/
311	+	public void sendPrivMsg(String user, String msg) {
312	+	_socketOut.println("PRIVMSG "+user+" :"+msg);
313	+	// wait a second before returning...
314	+	// this ensures messages can't be sent too fast
315	+	try {Thread.sleep(1000);} catch (InterruptedException e) {}
316	+	}
317	+
318	+	/**
319	+	* Sends an action to the channel.
320	+	*
321	+	* @param msg the action message
322	+	*/
323	+	public void sendAction(String msg) {
324	+	char esc = 001;
325	+	sendMsg(esc+"ACTION "+msg+esc);
326	+	// wait a second before returning...
327	+	// this ensures messages can't be sent too fast
328	+	try {Thread.sleep(1000);} catch (InterruptedException e) {}
329	+	}
330	+
331	+	/**
332		* Sends a notice to the channel.
333		*
334		* @param msg The notice to send
335		*/
336		public void sendNotice(String msg) {
337		_socketOut.println("NOTICE "+_channel+" :"+msg);
338	+	// wait a second before returning...
339	+	// this ensures messages can't be sent too fast
340	+	try {Thread.sleep(1000);} catch (InterruptedException e) {}
341		}
342
343		/**
#	Line 205 | Line 346 | public class IRC__Alerter implements PluginAlerter {
346		* @throws IOException if the connection fails
347		*/
348		public void connect() throws IOException {
349	+	ConfigurationProxy cp = ConfigurationProxy.getInstance();
350		// setup the socket, reader and writer
351	<	_socket = new Socket(_IRCServer, _IRCPort);
351	>	String server;
352	>	int port;
353	>	try {
354	>	server = cp.getProperty(_name, "Alerter.IRC.IRCServer");
355	>	port = Integer.parseInt(cp.getProperty(_name, "Alerter.IRC.IRCPort"));
356	>	} catch (PropertyNotFoundException e) {
357	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
358	>	throw new IOException("Can't get irc server details due to configuration error");
359	>	} catch (NumberFormatException e) {
360	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
361	>	throw new IOException("Can't get irc server details due to malformed configuration");
362	>	}
363	>	_socket = new Socket(server, port);
364		_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream()));
365		_socketOut = new PrintWriter(_socket.getOutputStream(), true);
366	<	// send the various log in messages
367	<	_socketOut.println("PASS");
368	<	_socketOut.println("NICK "+_nick);
369	<	_socketOut.println("USER iscream 8 * :i-scream Bot");
366	>	//_socketOut.println("PASS");
367	>	// send USER details
368	>	String user, comment;
369	>	try {
370	>	user = cp.getProperty(_name, "Alerter.IRC.user");
371	>	comment = cp.getProperty(_name, "Alerter.IRC.comment");
372	>	} catch (PropertyNotFoundException e) {
373	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
374	>	throw new IOException("Can't get user details due to configuration error");
375	>	}
376	>	_socketOut.println("USER "+user+" 8 * :"+comment);
377	>	// attempt to get a nick
378	>	String nickList;
379	>	try {
380	>	nickList = cp.getProperty(_name, "Alerter.IRC.nickList");
381	>	} catch (PropertyNotFoundException e) {
382	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
383	>	throw new IOException("Can't get nickname due to configuration error");
384	>	}
385	>	StringTokenizer st = new StringTokenizer(nickList, ";");
386	>	boolean ok = false;
387	>	// try until we exhaust our list
388	>	while(!ok && st.hasMoreTokens()) {
389	>	String nick = st.nextToken();
390	>	_socketOut.println("NICK "+nick);
391	>	// get a "yes" or "no" response back
392	>	String response = "";
393	>	do {
394	>	response = _socketIn.readLine();
395	>	if(response==null) {
396	>	throw new IOException("Communication error whilst logging in");
397	>	}
398	>	} while(response.indexOf("001")==-1 && response.indexOf("433")==-1);
399	>	// see if it was a yes
400	>	if(response.indexOf("001")!=-1) {
401	>	// great, we're logged in !
402	>	ok = true;
403	>	// store the name we're using
404	>	_nickname = nick;
405	>	}
406	>	else {
407	>	// log we couldn't get the name
408	>	_logger.write(this.toString(), Logger.WARNING, "Nickname in use: "+nick);
409	>	}
410	>	}
411	>	if(!ok) {
412	>	// oh dear, we couldn't get on.
413	>	throw new IOException("All nicknames in use");
414	>	}
415		// join the channel
416	+	try {
417	+	_channel = cp.getProperty(_name, "Alerter.IRC.channel");
418	+	} catch (PropertyNotFoundException e) {
419	+	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
420	+	throw new IOException("Can't get channel name due to configuration error");
421	+	}
422		_socketOut.println("JOIN "+_channel);
423	<	// start our listening thread
424	<	this.start();
423	>	// allow alerts
424	>	_active = true;
425		}
426
427		/**
#	Line 225 | Line 430 | public class IRC__Alerter implements PluginAlerter {
430		* @throws IOException if the disconnection fails
431		*/
432		public void disconnect() throws IOException {
433	<	// send proper QUIET
433	>	// stop alerts
434	>	_active = false;
435	>	// send proper QUIT
436		_socketOut.println("QUIT : iscreamBot component shutting down...");
437		// close the socket
438		_socketOut.close();
439		_socketIn.close();
440		_socket.close();
441		}
442	<
442	>
443		/**
444	+	* Overrides the {@link java.lang.Object#toString() Object.toString()}
445	+	* method to provide clean logging (every class should have this).
446	+	*
447	+	* This uses the uk.org.iscream.util.NameFormat class
448	+	* to format the toString()
449	+	*
450	+	* @return the name of this class and its CVS revision
451	+	*/
452	+	public String toString() {
453	+	return FormatName.getName(
454	+	_name,
455	+	getClass().getName(),
456	+	REVISION);
457	+	}
458	+
459	+	/**
460	+	* Deals with incoming lines from the server.
461	+	*
462	+	* @param line the line to deal with
463	+	*/
464	+	private void handleInput(String line) {
465	+	ConfigurationProxy cp = ConfigurationProxy.getInstance();
466	+	// if it's a PING...
467	+	if(line.startsWith("PING")) {
468	+	// ...send a PONG
469	+	_socketOut.println("PONG" + line.substring(4));
470	+	}
471	+	// see if it's for us
472	+	else if(getMsg(line).startsWith(_nickname+",") || getMsg(line).startsWith(_nickname+":") || getMsg(line).startsWith(_nickname+" ")) {
473	+	// setup some String's
474	+	String stopCommand, startCommand, timeSinceLastAlertCommand, lastAlertCommand, joinCommand;
475	+	String nickChangeCommand, versionCommand, helpCommand, statCommand, uptimeCommand;
476	+	// get the command set
477	+	try {
478	+	stopCommand = cp.getProperty(_name, "Alerter.IRC.stopCommand");
479	+	startCommand = cp.getProperty(_name, "Alerter.IRC.startCommand");
480	+	timeSinceLastAlertCommand = cp.getProperty(_name, "Alerter.IRC.timeSinceLastAlertCommand");
481	+	lastAlertCommand = cp.getProperty(_name, "Alerter.IRC.lastAlertCommand");
482	+	joinCommand = cp.getProperty(_name, "Alerter.IRC.joinCommand");
483	+	nickChangeCommand = cp.getProperty(_name, "Alerter.IRC.nickChangeCommand");
484	+	versionCommand = cp.getProperty(_name, "Alerter.IRC.versionCommand");
485	+	helpCommand = cp.getProperty(_name, "Alerter.IRC.helpCommand");
486	+	statCommand = cp.getProperty(_name, "Alerter.IRC.statCommand");
487	+	uptimeCommand = cp.getProperty(_name, "Alerter.IRC.uptimeCommand");
488	+	} catch (PropertyNotFoundException e) {
489	+	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
490	+	// lets bail from handling this line...
491	+	// ...it's gonna be hard without a command set!
492	+	return;
493	+	}
494	+
495	+	// we have a message for us
496	+	String message = getMsg(line).substring(_nickname.length());
497	+	if(message.indexOf(stopCommand)!=-1) {
498	+	_active = false;
499	+	sendMsg(getMsgSender(line)+", alerts have been stopped");
500	+	}
501	+	else if(message.indexOf(startCommand)!=-1) {
502	+	_active = true;
503	+	sendMsg(getMsgSender(line)+", alerts have been activated");
504	+	}
505	+	// this needs to go here if it contains the same words as the lastAlertCommand
506	+	else if(message.indexOf(timeSinceLastAlertCommand)!=-1) {
507	+	if(_lastAlertTime != -1) {
508	+	long uptime = (System.currentTimeMillis() - _lastAlertTime) / 1000;
509	+	String uptimeText = DateUtils.formatTime(uptime, "%DAYS% days, %HOURS% hours, %MINS% mins, and %SECS% secs");
510	+	sendMsg(getMsgSender(line)+", I last sent an alert "+uptimeText+ " ago");
511	+	}
512	+	else {
513	+	sendMsg(getMsgSender(line)+", I've never sent an alert!");
514	+	}
515	+	}
516	+	else if(message.indexOf(lastAlertCommand)!=-1) {
517	+	if(_lastAlertTime != -1) {
518	+	String date = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, Locale.UK).format(new Date(_lastAlertTime));
519	+	sendMsg(getMsgSender(line)+", last alert was at "+date+"; "+_lastAlert);
520	+	}
521	+	else {
522	+	sendMsg(getMsgSender(line)+", I've never sent an alert!");
523	+	}
524	+
525	+	}
526	+	else if(message.indexOf(joinCommand)!=-1) {
527	+	String joinCmd = joinCommand;
528	+	String newChan = message.substring(message.indexOf(joinCmd) + joinCmd.length() + 1);
529	+	int endOfChan = newChan.indexOf(" ");
530	+	if(endOfChan == -1) {
531	+	endOfChan = newChan.length();
532	+	}
533	+	newChan = newChan.substring(0, endOfChan);
534	+	sendMsg(getMsgSender(line)+", okay, I'm off to "+newChan);
535	+	_socketOut.println("PART "+_channel);
536	+	_socketOut.println("JOIN "+newChan);
537	+	_channel = newChan;
538	+	}
539	+	else if(message.indexOf(nickChangeCommand)!=-1) {
540	+	String nickChangeCmd = nickChangeCommand;
541	+	String newNick = message.substring(message.indexOf(nickChangeCmd) + nickChangeCmd.length() + 1);
542	+	int endOfNick = newNick.indexOf(" ");
543	+	if(endOfNick == -1) {
544	+	endOfNick = newNick.length();
545	+	}
546	+	newNick = newNick.substring(0, endOfNick);
547	+	sendMsg(getMsgSender(line)+", okay, changing my nickname to "+newNick);
548	+	_socketOut.println("NICK "+newNick);
549	+	_nickname = newNick;
550	+	}
551	+	else if(message.indexOf(versionCommand)!=-1) {
552	+	sendMsg(getMsgSender(line)+", I am version "+REVISION.substring(11, REVISION.length() -2)+" of the i-scream alerting bot");
553	+	}
554	+	else if(message.indexOf(helpCommand)!=-1) {
555	+	sendPrivMsg(getMsgSender(line), "Hello, I am the i-scream alerting bot version "+REVISION.substring(11, REVISION.length() -2));
556	+	sendPrivMsg(getMsgSender(line), "I understand the following commands;");
557	+	sendPrivMsg(getMsgSender(line), stopCommand);
558	+	sendPrivMsg(getMsgSender(line), startCommand);
559	+	sendPrivMsg(getMsgSender(line), lastAlertCommand);
560	+	sendPrivMsg(getMsgSender(line), joinCommand);
561	+	sendPrivMsg(getMsgSender(line), nickChangeCommand);
562	+	sendPrivMsg(getMsgSender(line), statCommand);
563	+	sendPrivMsg(getMsgSender(line), uptimeCommand);
564	+	sendPrivMsg(getMsgSender(line), timeSinceLastAlertCommand);
565	+	sendPrivMsg(getMsgSender(line), helpCommand);
566	+	}
567	+	else if(message.indexOf(statCommand)!=-1) {
568	+	sendMsg(getMsgSender(line)+", I have sent a total of "+_alertCount+" alerts, and ignored a total of "+_ignoredCount+"!");
569	+	}
570	+	else if(message.indexOf(uptimeCommand)!=-1) {
571	+	long uptime = (System.currentTimeMillis() - _startTime) / 1000;
572	+	String uptimeText = DateUtils.formatTime(uptime, "%DAYS% days, %HOURS% hours, %MINS% mins, and %SECS% secs");
573	+	sendMsg(getMsgSender(line)+", I have been running for "+uptimeText);
574	+	}
575	+	else if(message.indexOf("ping")!=-1) {
576	+	sendMsg("pong");
577	+	}
578	+	else if(message.indexOf("do a jibble dance")!=-1) {
579	+	// little joke :)
580	+	sendAction("jives to the funky beat shouting \"ii--screeeaaammm\"");
581	+	}
582	+	else {
583	+	String rejectMessage = NOT_CONFIGURED;
584	+	try {
585	+	rejectMessage = cp.getProperty(_name, "Alerter.IRC.rejectMessage");
586	+	} catch(PropertyNotFoundException e) {
587	+	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
588	+	}
589	+	sendMsg(getMsgSender(line)+", "+rejectMessage);
590	+	}
591	+	}
592	+	else if(line.indexOf(_nickname)!=-1 && line.indexOf(_channel)!=-1 && line.indexOf("KICK")!=-1) {
593	+	sendPrivMsg(getMsgSender(line), "That wasn't a nice thing to do...");
594	+	try {
595	+	_channel = cp.getProperty(_name, "Alerter.IRC.channel");
596	+	} catch(PropertyNotFoundException e) {
597	+	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
598	+	}
599	+	_socketOut.println("JOIN "+_channel);
600	+	}
601	+	}
602	+
603	+	/**
604	+	* Strips the header from a message line
605	+	*
606	+	* @param line the line to strip
607	+	* @return the message from the line
608	+	*/
609	+	private String getMsg(String line) {
610	+	String result = "";
611	+	if(line.indexOf("PRIVMSG")!=-1) {
612	+	int firstColon = line.indexOf(":");
613	+	if(firstColon != -1) {
614	+	int secondColon = line.indexOf(":", firstColon+1);
615	+	if(secondColon != -1) {
616	+	result = line.substring(secondColon+1);
617	+	}
618	+	}
619	+	}
620	+	return result;
621	+	}
622	+
623	+	/**
624	+	* Finds out the sender of the message
625	+	*
626	+	* @param line the line to look for a sender in
627	+	* @return the sender
628	+	*/
629	+	private String getMsgSender(String line) {
630	+	String result = "";
631	+	int colon = line.indexOf(":");
632	+	int excl = line.indexOf("!");
633	+	if(colon!=-1 && excl!=-1) {
634	+	result = line.substring(colon+1, excl);
635	+	}
636	+	return result;
637	+	}
638	+
639	+	/**
640		* The socket connected to the server
641		*/
642		private Socket _socket;
#	Line 247 | Line 650 | public class IRC__Alerter implements PluginAlerter {
650		* The reader
651		*/
652		private BufferedReader _socketIn;
653	+
654	+	/**
655	+	* Just a reminder to what channel we're on...
656	+	* this can't be dynamic :)
657	+	*/
658	+	private String _channel;
659	+
660	+	/**
661	+	* A reminder of our current nickname...
662	+	*/
663	+	private String _nickname;
664
665		}
666

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