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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 1.13 by tdb, Mon Mar 5 01:38:01 2001 UTC vs.
Revision 1.30 by tdb, Thu Jan 17 17:58:12 2002 UTC

#	Line 1 | Line 1
1		//---PACKAGE DECLARATION---
2	<	package uk.ac.ukc.iscream.client.alerters;
2	>	package uk.org.iscream.cms.server.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.*;
9	<
5	>	import uk.org.iscream.cms.server.client.*;
6	>	import uk.org.iscream.cms.server.core.*;
7	>	import uk.org.iscream.cms.server.util.*;
8	>	import uk.org.iscream.cms.server.componentmanager.*;
9		import java.io.*;
10		import java.net.*;
11		import java.util.*;
12	<	import java.text.*;
12	>	import java.text.DateFormat;
13
14		/**
15		* This Alert sends an IRC message.
#	Line 21 | Line 20 | import java.text.*;
20		* @author  $Author$
21		* @version $Id$
22		*/
23	<	public class IRC__Alerter implements PluginAlerter {
23	>	public class IRC__Alerter extends AlerterSkeleton {
24
25		//---FINAL ATTRIBUTES---
26
#	Line 45 | Line 44 | public class IRC__Alerter implements PluginAlerter {
44		//---CONSTRUCTORS---
45
46		public IRC__Alerter() {
47	<
47	>	super();
48		// connect to the IRC server
49		_ircbot = new IRCBot();
50	+	// set it's name and start it
51	+	_ircbot.setName("client.IRC__Alerter$IRCBot");
52		_ircbot.start();
53		_startTime = System.currentTimeMillis();
53	–
54		_logger.write(toString(), Logger.SYSINIT, "IRC Alerter started");
55		}
56
57		//---PUBLIC METHODS---
58
59	+	/**
60	+	* Implements the abstract method from the skeleton class.
61	+	* This method will attempt to send an alert
62	+	* message over the IRC channel.
63	+	*
64	+	* @param alert the alert to send
65	+	*/
66		public void sendAlert(Alert alert) {
67	+	// sort out the message
68	+	String alertType = Alert.alertLevels[alert.getLevel()];
69	+	String message;
70	+	try {
71	+	message = _cp.getProperty(_name, "Alerter.IRC.message");
72	+	} catch (PropertyNotFoundException e) {
73	+	message = NOT_CONFIGURED;
74	+	_logger.write(toString(), Logger.WARNING, "Alerter.IRC.message value unavailable using default of " + message);
75	+	}
76	+	message = processAlertMessage(message, alert);
77		// only send alerts if we're active
78	<	if(_active) {
79	<	ConfigurationProxy cp = ConfigurationProxy.getInstance();
80	<	String levelName = cp.getProperty(_name, "Alerter.IRC.level");
81	<	int level = StringUtils.getStringPos(levelName, Alert.alertLevels);
82	<	// only send if it's equal (or above) our level
83	<	if(alert.getLevel() >= level) {
84	<	String alertType = Alert.alertLevels[alert.getLevel()];
85	<	String thresholdType = Alert.thresholdLevels[alert.getThreshold()];
86	<	// sort out the message
70	<	String message = cp.getProperty(_name, "Alerter.IRC.message");
71	<	message = StringUtils.replaceText(message, "%level%", alertType);
72	<	message = StringUtils.replaceText(message, "%threshold%", thresholdType);
73	<	message = StringUtils.replaceText(message, "%source%", alert.getSource());
74	<	message = StringUtils.replaceText(message, "%value%", alert.getValue());
75	<	message = StringUtils.replaceText(message, "%thresholdValue%", alert.getThresholdValue());
76	<	message = StringUtils.replaceText(message, "%attributeName%", alert.getAttributeName());
77	<	message = StringUtils.replaceText(message, "%timeTillNextAlert%",  getTimeString(Long.parseLong(alert.getTimeTillNextAlert())));
78	<
79	<	// send the message
80	<	_logger.write(toString(), Logger.DEBUG, "Sending " + _name + " at "+ alertType + " level");
81	<	_ircbot.sendMsg(message);
82	<	_lastAlert = message;
83	<	_lastAlertTime = System.currentTimeMillis();
84	<	_alertCount ++;
85	<	}
78	>	if(_active) {
79	>	// send the message
80	>	_logger.write(toString(), Logger.DEBUG, "Sending " + _name + " at "+ alertType + " level");
81	>	_ircbot.sendMsg(message);
82	>	// count sent alerts
83	>	_alertCount++;
84	>	} else {
85	>	// don't send, but keep a count that we ignored it
86	>	_ignoredCount++;
87		}
88	+	// we'll always store the "last alert", regardless
89	+	// of whether we actually display it or not
90	+	_lastAlert = message;
91	+	_lastAlertTime = System.currentTimeMillis();
92		}
93
94		/**
95		* Overrides the {@link java.lang.Object#toString() Object.toString()}
96		* method to provide clean logging (every class should have this).
97		*
98	<	* This uses the uk.ac.ukc.iscream.util.NameFormat class
98	>	* This uses the uk.org.iscream.cms.server.util.NameFormat class
99		* to format the toString()
100		*
101		* @return the name of this class and its CVS revision
#	Line 102 | Line 107 | public class IRC__Alerter implements PluginAlerter {
107		REVISION);
108		}
109
110	<	/**
111	<	* return the String representation of what the filter does
110	>	/**
111	>	* Return the String representation of what the alerter does
112	>	*
113	>	* @return the description
114		*/
115		public String getDescription(){
116		return DESC;
#	Line 111 | Line 118 | public class IRC__Alerter implements PluginAlerter {
118
119		//---PRIVATE METHODS---
120
114	–	private String getTimeString(long time) {
115	–	String timeString = null;
116	–	if (time >= 60) {
117	–	timeString = (time / 60) + " minute(s)";
118	–	} else if (time >= 3600) {
119	–	timeString = ((time/60) / 60) + " hour(s)";
120	–	} else {
121	–	timeString = time + " second(s)";
122	–	}
123	–	return timeString;
124	–	}
125	–
121		//---ACCESSOR/MUTATOR METHODS---
122
123	+	/**
124	+	* Returns the "friendly" name of this class. This
125	+	* is simply an accessor for _name, required due to
126	+	* inheritance issues with extending AlerterSkeleton.
127	+	*
128	+	* @return the friendly name
129	+	*/
130	+	protected String getFName() {
131	+	return _name;
132	+	}
133	+
134		//---ATTRIBUTES---
135
136		/**
#	Line 150 | Line 156 | public class IRC__Alerter implements PluginAlerter {
156		/**
157		* Number of alerts sent
158		*/
159	<	private long _alertCount = 0;
159	>	private int _alertCount = 0;
160
161		/**
162	+	* Number of alerts ignored when in "stopped" mode
163	+	*/
164	+	private int _ignoredCount = 0;
165	+
166	+	/**
167		* Time of IRCBot startup
168		*/
169		private long _startTime;
#	Line 166 | Line 177 | public class IRC__Alerter implements PluginAlerter {
177		* can be placed here.  This name could also
178		* be changed to null for utility classes.
179		*/
180	<	private String _name = "IRC Alert";
180	>	private String _name = "IRC";
181
171	–	/**
172	–	* This holds a reference to the
173	–	* system logger that is being used.
174	–	*/
175	–	private Logger _logger = ReferenceManager.getInstance().getLogger();
176	–
182		//---STATIC ATTRIBUTES---
183
184		//---INNER CLASSES---
#	Line 186 | Line 191 | public class IRC__Alerter implements PluginAlerter {
191		*/
192		class IRCBot extends Thread {
193
194	+	public static final String DEFAULT_STARTUP_NOTICE = "i-scream ircbot starting...";
195	+
196		/**
197		* Main thread loop, this part of the class listens for
198		* messages from the server, and acts accordingly. At the
#	Line 197 | Line 204 | public class IRC__Alerter implements PluginAlerter {
204		while(run) {
205		// flag so we can stop the loop
206		boolean doRead = true;
207	+	// get the startup notice
208	+	String startupNotice;
209	+	try {
210	+	startupNotice = ConfigurationProxy.getInstance().getProperty(_name, "Alerter.IRC.startupNotice");
211	+	} catch (PropertyNotFoundException e) {
212	+	startupNotice = DEFAULT_STARTUP_NOTICE;
213	+	_logger.write(this.toString(), Logger.WARNING, "Configuration error: "+e);
214	+	}
215		// connect to the IRC server
216		try {
217		connect();
218	<	sendNotice(ConfigurationProxy.getInstance().getProperty(_name, "Alerter.IRC.startupNotice"));
218	>	sendNotice(startupNotice);
219		} catch(IOException e) {
220		doRead=false;
221		_logger.write(this.toString(), Logger.ERROR, "Error connecting: "+e);
#	Line 236 | Line 251 | public class IRC__Alerter implements PluginAlerter {
251		} catch (NumberFormatException e) {
252		delayTime = DEFAULT_RECONNECT_DELAY;
253		_logger.write(this.toString(), Logger.WARNING, "Erronous Alerter.IRC.reconnectDelay value in configuration using default of " + delayTime + " seconds");
254	<	} catch (org.omg.CORBA.MARSHAL e2) {
254	>	} catch (PropertyNotFoundException e) {
255		delayTime = DEFAULT_RECONNECT_DELAY;
256		_logger.write(this.toString(), Logger.WARNING, "Alerter.IRC.reconnectDelay value unavailable using default of " + delayTime + " seconds");
257		}
#	Line 306 | Line 321 | public class IRC__Alerter implements PluginAlerter {
321		public void connect() throws IOException {
322		ConfigurationProxy cp = ConfigurationProxy.getInstance();
323		// setup the socket, reader and writer
324	<	String server = cp.getProperty(_name, "Alerter.IRC.IRCServer");
325	<	int port = Integer.parseInt(cp.getProperty(_name, "Alerter.IRC.IRCPort"));
324	>	String server;
325	>	int port;
326	>	try {
327	>	server = cp.getProperty(_name, "Alerter.IRC.IRCServer");
328	>	port = Integer.parseInt(cp.getProperty(_name, "Alerter.IRC.IRCPort"));
329	>	} catch (PropertyNotFoundException e) {
330	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
331	>	throw new IOException("Can't get irc server details due to configuration error");
332	>	} catch (NumberFormatException e) {
333	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
334	>	throw new IOException("Can't get irc server details due to malformed configuration");
335	>	}
336		_socket = new Socket(server, port);
337		_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream()));
338		_socketOut = new PrintWriter(_socket.getOutputStream(), true);
339		//_socketOut.println("PASS");
340		// send USER details
341	<	String user = cp.getProperty(_name, "Alerter.IRC.user");
342	<	String comment = cp.getProperty(_name, "Alerter.IRC.comment");
341	>	String user, comment;
342	>	try {
343	>	user = cp.getProperty(_name, "Alerter.IRC.user");
344	>	comment = cp.getProperty(_name, "Alerter.IRC.comment");
345	>	} catch (PropertyNotFoundException e) {
346	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
347	>	throw new IOException("Can't get user details due to configuration error");
348	>	}
349		_socketOut.println("USER "+user+" 8 * :"+comment);
350		// attempt to get a nick
351	<	String nickList = cp.getProperty(_name, "Alerter.IRC.nickList");
351	>	String nickList;
352	>	try {
353	>	nickList = cp.getProperty(_name, "Alerter.IRC.nickList");
354	>	} catch (PropertyNotFoundException e) {
355	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
356	>	throw new IOException("Can't get nickname due to configuration error");
357	>	}
358		StringTokenizer st = new StringTokenizer(nickList, ";");
359		boolean ok = false;
360		// try until we exhaust our list
#	Line 349 | Line 386 | public class IRC__Alerter implements PluginAlerter {
386		throw new IOException("All nicknames in use");
387		}
388		// join the channel
389	<	_channel = cp.getProperty(_name, "Alerter.IRC.channel");
389	>	try {
390	>	_channel = cp.getProperty(_name, "Alerter.IRC.channel");
391	>	} catch (PropertyNotFoundException e) {
392	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
393	>	throw new IOException("Can't get channel name due to configuration error");
394	>	}
395		_socketOut.println("JOIN "+_channel);
396		// allow alerts
397		_active = true;
#	Line 375 | Line 417 | public class IRC__Alerter implements PluginAlerter {
417		* Overrides the {@link java.lang.Object#toString() Object.toString()}
418		* method to provide clean logging (every class should have this).
419		*
420	<	* This uses the uk.ac.ukc.iscream.util.NameFormat class
420	>	* This uses the uk.org.iscream.cms.server.util.NameFormat class
421		* to format the toString()
422		*
423		* @return the name of this class and its CVS revision
#	Line 400 | Line 442 | public class IRC__Alerter implements PluginAlerter {
442		_socketOut.println("PONG" + line.substring(4));
443		}
444		// see if it's for us
445	<	else if(getMsg(line).startsWith(_nickname+",")
446	<	|| getMsg(line).startsWith(_nickname+":")
447	<	|| getMsg(line).startsWith(_nickname+" ")) {
445	>	else if(getMsg(line).toLowerCase().startsWith(_nickname.toLowerCase()+",") ||
446	>	getMsg(line).toLowerCase().startsWith(_nickname.toLowerCase()+":") ||
447	>	getMsg(line).toLowerCase().startsWith(_nickname.toLowerCase()+" ")) {
448	>	// setup some String's
449	>	String stopCommand, startCommand, timeSinceLastAlertCommand, lastAlertCommand, joinCommand;
450	>	String nickChangeCommand, versionCommand, helpCommand, statCommand, uptimeCommand;
451	>	// get the command set
452	>	try {
453	>	stopCommand = cp.getProperty(_name, "Alerter.IRC.stopCommand");
454	>	startCommand = cp.getProperty(_name, "Alerter.IRC.startCommand");
455	>	timeSinceLastAlertCommand = cp.getProperty(_name, "Alerter.IRC.timeSinceLastAlertCommand");
456	>	lastAlertCommand = cp.getProperty(_name, "Alerter.IRC.lastAlertCommand");
457	>	joinCommand = cp.getProperty(_name, "Alerter.IRC.joinCommand");
458	>	nickChangeCommand = cp.getProperty(_name, "Alerter.IRC.nickChangeCommand");
459	>	versionCommand = cp.getProperty(_name, "Alerter.IRC.versionCommand");
460	>	helpCommand = cp.getProperty(_name, "Alerter.IRC.helpCommand");
461	>	statCommand = cp.getProperty(_name, "Alerter.IRC.statCommand");
462	>	uptimeCommand = cp.getProperty(_name, "Alerter.IRC.uptimeCommand");
463	>	} catch (PropertyNotFoundException e) {
464	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
465	>	// lets bail from handling this line...
466	>	// ...it's gonna be hard without a command set!
467	>	return;
468	>	}
469	>
470		// we have a message for us
471		String message = getMsg(line).substring(_nickname.length());
472	<	if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.stopCommand"))!=-1) {
472	>	if(message.indexOf(stopCommand)!=-1) {
473		_active = false;
474		sendMsg(getMsgSender(line)+", alerts have been stopped");
475		}
476	<	else if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.startCommand"))!=-1) {
476	>	else if(message.indexOf(startCommand)!=-1) {
477		_active = true;
478		sendMsg(getMsgSender(line)+", alerts have been activated");
479		}
480		// this needs to go here if it contains the same words as the lastAlertCommand
481	<	else if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.timeSinceLastAlertCommand"))!=-1) {
481	>	else if(message.indexOf(timeSinceLastAlertCommand)!=-1) {
482		if(_lastAlertTime != -1) {
483		long uptime = (System.currentTimeMillis() - _lastAlertTime) / 1000;
484		String uptimeText = DateUtils.formatTime(uptime, "%DAYS% days, %HOURS% hours, %MINS% mins, and %SECS% secs");
#	Line 424 | Line 488 | public class IRC__Alerter implements PluginAlerter {
488		sendMsg(getMsgSender(line)+", I've never sent an alert!");
489		}
490		}
491	<	else if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.lastAlertCommand"))!=-1) {
491	>	else if(message.indexOf(lastAlertCommand)!=-1) {
492		if(_lastAlertTime != -1) {
493		String date = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, Locale.UK).format(new Date(_lastAlertTime));
494		sendMsg(getMsgSender(line)+", last alert was at "+date+"; "+_lastAlert);
#	Line 434 | Line 498 | public class IRC__Alerter implements PluginAlerter {
498		}
499
500		}
501	<	else if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.joinCommand"))!=-1) {
502	<	String joinCmd = cp.getProperty(_name, "Alerter.IRC.joinCommand");
501	>	else if(message.indexOf(joinCommand)!=-1) {
502	>	String joinCmd = joinCommand;
503		String newChan = message.substring(message.indexOf(joinCmd) + joinCmd.length() + 1);
504		int endOfChan = newChan.indexOf(" ");
505		if(endOfChan == -1) {
506		endOfChan = newChan.length();
507		}
508		newChan = newChan.substring(0, endOfChan);
509	<	sendMsg(getMsgSender(line)+", okay, I'm off to "+newChan);
510	<	_socketOut.println("PART "+_channel);
511	<	_socketOut.println("JOIN "+newChan);
512	<	_channel = newChan;
509	>	if(newChan.equals(_channel)) {
510	>	sendMsg(getMsgSender(line)+", I'm already on "+newChan+"!");
511	>	} else {
512	>	sendMsg(getMsgSender(line)+", okay, I'm off to "+newChan);
513	>	_socketOut.println("PART "+_channel);
514	>	_socketOut.println("JOIN "+newChan);
515	>	_channel = newChan;
516	>	}
517		}
518	<	else if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.nickChangeCommand"))!=-1) {
519	<	String nickChangeCmd = cp.getProperty(_name, "Alerter.IRC.nickChangeCommand");
518	>	else if(message.indexOf(nickChangeCommand)!=-1) {
519	>	String nickChangeCmd = nickChangeCommand;
520		String newNick = message.substring(message.indexOf(nickChangeCmd) + nickChangeCmd.length() + 1);
521		int endOfNick = newNick.indexOf(" ");
522		if(endOfNick == -1) {
#	Line 459 | Line 527 | public class IRC__Alerter implements PluginAlerter {
527		_socketOut.println("NICK "+newNick);
528		_nickname = newNick;
529		}
530	<	else if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.versionCommand"))!=-1) {
530	>	else if(message.indexOf(versionCommand)!=-1) {
531		sendMsg(getMsgSender(line)+", I am version "+REVISION.substring(11, REVISION.length() -2)+" of the i-scream alerting bot");
532		}
533	<	else if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.helpCommand"))!=-1) {
533	>	else if(message.indexOf(helpCommand)!=-1) {
534		sendPrivMsg(getMsgSender(line), "Hello, I am the i-scream alerting bot version "+REVISION.substring(11, REVISION.length() -2));
535		sendPrivMsg(getMsgSender(line), "I understand the following commands;");
536	<	sendPrivMsg(getMsgSender(line), cp.getProperty(_name, "Alerter.IRC.stopCommand"));
537	<	sendPrivMsg(getMsgSender(line), cp.getProperty(_name, "Alerter.IRC.startCommand"));
538	<	sendPrivMsg(getMsgSender(line), cp.getProperty(_name, "Alerter.IRC.lastAlertCommand"));
539	<	sendPrivMsg(getMsgSender(line), cp.getProperty(_name, "Alerter.IRC.joinCommand"));
540	<	sendPrivMsg(getMsgSender(line), cp.getProperty(_name, "Alerter.IRC.nickChangeCommand"));
541	<	sendPrivMsg(getMsgSender(line), cp.getProperty(_name, "Alerter.IRC.statCommand"));
542	<	sendPrivMsg(getMsgSender(line), cp.getProperty(_name, "Alerter.IRC.uptimeCommand"));
543	<	sendPrivMsg(getMsgSender(line), cp.getProperty(_name, "Alerter.IRC.timeSinceLastAlertCommand"));
544	<	sendPrivMsg(getMsgSender(line), cp.getProperty(_name, "Alerter.IRC.helpCommand"));
536	>	sendPrivMsg(getMsgSender(line), stopCommand);
537	>	sendPrivMsg(getMsgSender(line), startCommand);
538	>	sendPrivMsg(getMsgSender(line), lastAlertCommand);
539	>	sendPrivMsg(getMsgSender(line), joinCommand);
540	>	sendPrivMsg(getMsgSender(line), nickChangeCommand);
541	>	sendPrivMsg(getMsgSender(line), statCommand);
542	>	sendPrivMsg(getMsgSender(line), uptimeCommand);
543	>	sendPrivMsg(getMsgSender(line), timeSinceLastAlertCommand);
544	>	sendPrivMsg(getMsgSender(line), helpCommand);
545		}
546	<	else if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.statCommand"))!=-1) {
547	<	sendMsg(getMsgSender(line)+", I have sent a total of "+_alertCount+" alerts!");
546	>	else if(message.indexOf(statCommand)!=-1) {
547	>	sendMsg(getMsgSender(line)+", I have sent a total of "+_alertCount+" alerts, and ignored a total of "+_ignoredCount+"!");
548		}
549	<	else if(message.indexOf(cp.getProperty(_name, "Alerter.IRC.uptimeCommand"))!=-1) {
549	>	else if(message.indexOf(uptimeCommand)!=-1) {
550		long uptime = (System.currentTimeMillis() - _startTime) / 1000;
551		String uptimeText = DateUtils.formatTime(uptime, "%DAYS% days, %HOURS% hours, %MINS% mins, and %SECS% secs");
552		sendMsg(getMsgSender(line)+", I have been running for "+uptimeText);
553		}
554	+	else if(message.indexOf("ping")!=-1) {
555	+	sendMsg("pong");
556	+	}
557		else if(message.indexOf("do a jibble dance")!=-1) {
558		// little joke :)
559		sendAction("jives to the funky beat shouting \"ii--screeeaaammm\"");
560		}
561		else {
562	<	sendMsg(getMsgSender(line)+", "+cp.getProperty(_name, "Alerter.IRC.rejectMessage"));
562	>	String rejectMessage = NOT_CONFIGURED;
563	>	try {
564	>	rejectMessage = cp.getProperty(_name, "Alerter.IRC.rejectMessage");
565	>	} catch(PropertyNotFoundException e) {
566	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
567	>	}
568	>	sendMsg(getMsgSender(line)+", "+rejectMessage);
569		}
570		}
571		else if(line.indexOf(_nickname)!=-1 && line.indexOf(_channel)!=-1 && line.indexOf("KICK")!=-1) {
572		sendPrivMsg(getMsgSender(line), "That wasn't a nice thing to do...");
573	<	_channel = cp.getProperty(_name, "Alerter.IRC.channel");
573	>	try {
574	>	_channel = cp.getProperty(_name, "Alerter.IRC.channel");
575	>	} catch(PropertyNotFoundException e) {
576	>	_logger.write(this.toString(), Logger.ERROR, "Configuration error: "+e);
577	>	}
578		_socketOut.println("JOIN "+_channel);
579		}
580		}
#	Line 559 | Line 640 | public class IRC__Alerter implements PluginAlerter {
640		* A reminder of our current nickname...
641		*/
642		private String _nickname;
643	+
644	+	/**
645	+	* This holds a reference to the
646	+	* system logger that is being used.
647	+	*/
648	+	protected Logger _logger = ReferenceManager.getInstance().getLogger();
649
650		}
651

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