Package nl.uu.cs.aplib

Class Logging

java.lang.Object

nl.uu.cs.aplib.Logging

public class Logging
extends Object

Define aplib logging. Use getAPLIBlogger() to get aplib's logger. This is a single logger accessible from anywhere. Use setLoggingLevel(Level) to globally set the logging level of this logger. Use e.g. addSystemErrAsLogHandler() or attachFileAsLogHandler(String) to attach listeners to this logger. Messages sent to the logger will be echoed to its listerners.

Field Summary

Fields

Modifier and Type	Field	Description
static String	APLIBLOGGER

Constructor Summary

Constructors

Constructor	Description
Logging()

Method Summary

Modifier and Type	Method	Description
static void	addSystemErrAsLogHandler()	Attach System.err to listen to this agent's logger (also called log-handler).
static void	attachFileAsLogHandler(String filename)	Attach a file specified by the filename to receive messages sent to aplib's logger (in Logging jargon, the file becomes a log handler).
static void	clearLoggers()	Remove all current handlers of the aplib logger.
static Logger	getAPLIBlogger()	Get the logger instance used by aplib.
static void	setLoggingLevel(Level level)	To set the the logging level of aplib logger.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

APLIBLOGGER

public static final String APLIBLOGGER

See Also:

Constant Field Values

Constructor Details

Logging

Logging()

Method Details

getAPLIBlogger

public static Logger getAPLIBlogger()

Get the logger instance used by aplib.

addSystemErrAsLogHandler

public static void addSystemErrAsLogHandler()

Attach System.err to listen to this agent's logger (also called log-handler).

clearLoggers

public static void clearLoggers()

Remove all current handlers of the aplib logger.

attachFileAsLogHandler

public static void attachFileAsLogHandler(String filename)

Attach a file specified by the filename to receive messages sent to aplib's logger (in Logging jargon, the file becomes a log handler). The filename can include a path to the file.

setLoggingLevel

public static void setLoggingLevel(Level level)

To set the the logging level of aplib logger. Logging messages of lower level will then be ignored.