com.antelmann.util.logging
Class LoggerManager

java.lang.Object
  com.antelmann.util.logging.LoggerManager

All Implemented Interfaces:

Factory<Logger>

public class LoggerManager
extends Object
implements Factory<Logger>

a central point to manager different Logger instances

Author:

Holger Antelmann

Method Summary

Logger	createInstance(EventObject eo) creates a new instance of the factory type on each call based on the given event
static Logger	getDefaultlogger()
Handler<Logger,?>	getHandler()
static LoggerManager	getInstance()
Logger	getLogger(Object obj) if no specific logger is available, the default logger is returned, so that this method never returns null
Logger	getLoggerFor(Object obj) if no logger had been specified for the given obj, this method returns null
Set<Object>	getLoggerObjects()
Logger	getOrCreateLoggerFor(Object obj)
void	removeAll()
Logger	removeLoggerFor(Object obj)
void	setHandler(Handler<Logger,?> handler)
Logger	setLogger(Object obj, Logger logger)
static <T> LogEntryFormatter<T>	toFormatter(PatternExtractor<LogEntry,T> pe)

Methods inherited from class java.lang.Object

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

Method Detail

getHandler

public Handler<Logger,?> getHandler()

setHandler

public void setHandler(Handler<Logger,?> handler)

createInstance

public Logger createInstance(EventObject eo)
                      throws Exception

Description copied from interface: Factory

creates a new instance of the factory type on each call based on the given event

Specified by:

createInstance in interface Factory<Logger>

Parameters:

eo - the event that triggered this instance creation; normally, this method should also cope with the event to be null.

Throws:

Exception

getDefaultlogger

public static Logger getDefaultlogger()

getInstance

public static LoggerManager getInstance()

setLogger

public Logger setLogger(Object obj,
                        Logger logger)

removeLoggerFor

public Logger removeLoggerFor(Object obj)

removeAll

public void removeAll()

getLoggerObjects

public Set<Object> getLoggerObjects()

getOrCreateLoggerFor

public Logger getOrCreateLoggerFor(Object obj)

getLogger

public Logger getLogger(Object obj)

if no specific logger is available, the default logger is returned, so that this method never returns null

getLoggerFor

public Logger getLoggerFor(Object obj)

if no logger had been specified for the given obj, this method returns null

toFormatter

public static <T> LogEntryFormatter<T> toFormatter(PatternExtractor<LogEntry,T> pe)