org.apache.avalon.excalibur.logger
Class Log4JLogger

java.lang.Object
  org.apache.avalon.excalibur.logger.Log4JLogger

All Implemented Interfaces:

Logger

public class Log4JLogger

extends java.lang.Object

implements Logger

The default Log4J wrapper class for Logger. This implementation replaces the implementation from Avalon framework. It "caches" the log levels for improved performance.

Version:

CVS $Revision: 1.21 $ $Date: 2004/05/04 13:08:00 $

Author:

Avalon Development Team

Constructor Summary

Log4JLogger(org.apache.log4j.Logger logImpl)
Create a logger that delegates to specified category.

Method Summary

void	debug(java.lang.String message) Log a debug message.
void	debug(java.lang.String message, java.lang.Throwable throwable) Log a debug message.
void	error(java.lang.String message) Log a error message.
void	error(java.lang.String message, java.lang.Throwable throwable) Log a error message.
void	fatalError(java.lang.String message) Log a fatalError message.
void	fatalError(java.lang.String message, java.lang.Throwable throwable) Log a fatalError message.
Logger	getChildLogger(java.lang.String name) Create a new child logger.
void	info(java.lang.String message) Log a info message.
void	info(java.lang.String message, java.lang.Throwable throwable) Log a info message.
boolean	isDebugEnabled() Determine if messages of priority "debug" will be logged.
boolean	isErrorEnabled() Determine if messages of priority "error" will be logged.
boolean	isFatalErrorEnabled() Determine if messages of priority "fatalError" will be logged.
boolean	isInfoEnabled() Determine if messages of priority "info" will be logged.
boolean	isWarnEnabled() Determine if messages of priority "warn" will be logged.
void	warn(java.lang.String message) Log a warn message.
void	warn(java.lang.String message, java.lang.Throwable throwable) Log a warn message.

Methods inherited from class java.lang.Object

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

Constructor Detail

Log4JLogger

public Log4JLogger(org.apache.log4j.Logger logImpl)

Create a logger that delegates to specified category.

Parameters:

logImpl - the category to delegate to

Method Detail

debug

public final void debug(java.lang.String message)

Log a debug message.

Specified by:

debug in interface Logger

Parameters:

message - the message

debug

public final void debug(java.lang.String message,
                        java.lang.Throwable throwable)

Log a debug message.

Specified by:

debug in interface Logger

Parameters:

message - the message

throwable - the throwable

isDebugEnabled

public final boolean isDebugEnabled()

Determine if messages of priority "debug" will be logged.

Specified by:

isDebugEnabled in interface Logger

Returns:

true if "debug" messages will be logged

info

public final void info(java.lang.String message)

Log a info message.

Specified by:

info in interface Logger

Parameters:

message - the message

info

public final void info(java.lang.String message,
                       java.lang.Throwable throwable)

Log a info message.

Specified by:

info in interface Logger

Parameters:

message - the message

throwable - the throwable

isInfoEnabled

public final boolean isInfoEnabled()

Determine if messages of priority "info" will be logged.

Specified by:

isInfoEnabled in interface Logger

Returns:

true if "info" messages will be logged

warn

public final void warn(java.lang.String message)

Log a warn message.

Specified by:

warn in interface Logger

Parameters:

message - the message

warn

public final void warn(java.lang.String message,
                       java.lang.Throwable throwable)

Log a warn message.

Specified by:

warn in interface Logger

Parameters:

message - the message

throwable - the throwable

isWarnEnabled

public final boolean isWarnEnabled()

Determine if messages of priority "warn" will be logged.

Specified by:

isWarnEnabled in interface Logger

Returns:

true if "warn" messages will be logged

error

public final void error(java.lang.String message)

Log a error message.

Specified by:

error in interface Logger

Parameters:

message - the message

error

public final void error(java.lang.String message,
                        java.lang.Throwable throwable)

Log a error message.

Specified by:

error in interface Logger

Parameters:

message - the message

throwable - the throwable

isErrorEnabled

public final boolean isErrorEnabled()

Determine if messages of priority "error" will be logged.

Specified by:

isErrorEnabled in interface Logger

Returns:

true if "error" messages will be logged

fatalError

public final void fatalError(java.lang.String message)

Log a fatalError message.

Specified by:

fatalError in interface Logger

Parameters:

message - the message

fatalError

public final void fatalError(java.lang.String message,
                             java.lang.Throwable throwable)

Log a fatalError message.

Specified by:

fatalError in interface Logger

Parameters:

message - the message

throwable - the throwable

isFatalErrorEnabled

public final boolean isFatalErrorEnabled()

Determine if messages of priority "fatalError" will be logged.

Specified by:

isFatalErrorEnabled in interface Logger

Returns:

true if "fatalError" messages will be logged

getChildLogger

public final Logger getChildLogger(java.lang.String name)

Create a new child logger. The name of the child logger is [current-loggers-name].[passed-in-name] Throws IllegalArgumentException if name has an empty element name

Specified by:

getChildLogger in interface Logger

Parameters:

name - the subname of this logger

Returns:

the new logger