org.apache.commons.logging.impl

Class Log4JLogger

java.lang.Object

org.apache.commons.logging.impl.Log4JLogger

All Implemented Interfaces:

java.io.Serializable, Log

public class Log4JLogger
extends java.lang.Object
implements Log, java.io.Serializable

Implementation of Log that maps directly to a Log4J Logger. Initial configuration of the corresponding Logger instances should be done in the usual manner, as outlined in the Log4J documentation.

Version:

$Id: Log4JLogger.java,v 1.11 2004/05/19 21:01:23 rdonkin Exp $

Author:

Scott Sanders, Rod Waldhoff, Robert Burrell Donkin

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	FQCN The fully qualified name of the Log4JLogger class.
private static boolean	is12
private org.apache.log4j.Logger	logger Log to this logger
private java.lang.String	name Logger name

Constructor Summary

Constructors

Constructor and Description
Log4JLogger()
Log4JLogger(org.apache.log4j.Logger logger) For use with a log4j factory.
Log4JLogger(java.lang.String name) Base constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	debug(java.lang.Object message) Log a message to the Log4j Logger with DEBUG priority.
void	debug(java.lang.Object message, java.lang.Throwable t) Log an error to the Log4j Logger with DEBUG priority.
void	error(java.lang.Object message) Log a message to the Log4j Logger with ERROR priority.
void	error(java.lang.Object message, java.lang.Throwable t) Log an error to the Log4j Logger with ERROR priority.
void	fatal(java.lang.Object message) Log a message to the Log4j Logger with FATAL priority.
void	fatal(java.lang.Object message, java.lang.Throwable t) Log an error to the Log4j Logger with FATAL priority.
org.apache.log4j.Logger	getLogger() Return the native Logger instance we are using.
void	info(java.lang.Object message) Log a message to the Log4j Logger with INFO priority.
void	info(java.lang.Object message, java.lang.Throwable t) Log an error to the Log4j Logger with INFO priority.
boolean	isDebugEnabled() Check whether the Log4j Logger used is enabled for DEBUG priority.
boolean	isErrorEnabled() Check whether the Log4j Logger used is enabled for ERROR priority.
boolean	isFatalEnabled() Check whether the Log4j Logger used is enabled for FATAL priority.
boolean	isInfoEnabled() Check whether the Log4j Logger used is enabled for INFO priority.
boolean	isTraceEnabled() Check whether the Log4j Logger used is enabled for TRACE priority.
boolean	isWarnEnabled() Check whether the Log4j Logger used is enabled for WARN priority.
void	trace(java.lang.Object message) Log a message to the Log4j Logger with TRACE priority.
void	trace(java.lang.Object message, java.lang.Throwable t) Log an error to the Log4j Logger with TRACE priority.
void	warn(java.lang.Object message) Log a message to the Log4j Logger with WARN priority.
void	warn(java.lang.Object message, java.lang.Throwable t) Log an error to the Log4j Logger with WARN priority.

Methods inherited from class java.lang.Object

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

Field Detail

FQCN

private static final java.lang.String FQCN

The fully qualified name of the Log4JLogger class.

is12

private static final boolean is12

logger

private transient org.apache.log4j.Logger logger

Log to this logger

name

private java.lang.String name

Logger name

Constructor Detail

Log4JLogger

public Log4JLogger()

Log4JLogger

public Log4JLogger(java.lang.String name)

Base constructor.

Log4JLogger

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

For use with a log4j factory.

Method Detail

trace

public void trace(java.lang.Object message)

Log a message to the Log4j Logger with TRACE priority. Currently logs to DEBUG level in Log4J.

Specified by:

trace in interface Log

Parameters:

message - log this message

trace

public void trace(java.lang.Object message,
         java.lang.Throwable t)

Log an error to the Log4j Logger with TRACE priority. Currently logs to DEBUG level in Log4J.

Specified by:

trace in interface Log

Parameters:

message - log this message

t - log this cause

debug

public void debug(java.lang.Object message)

Log a message to the Log4j Logger with DEBUG priority.

Specified by:

debug in interface Log

Parameters:

message - log this message

debug

public void debug(java.lang.Object message,
         java.lang.Throwable t)

Log an error to the Log4j Logger with DEBUG priority.

Specified by:

debug in interface Log

Parameters:

message - log this message

t - log this cause

info

public void info(java.lang.Object message)

Log a message to the Log4j Logger with INFO priority.

Specified by:

info in interface Log

Parameters:

message - log this message

info

public void info(java.lang.Object message,
        java.lang.Throwable t)

Log an error to the Log4j Logger with INFO priority.

Specified by:

info in interface Log

Parameters:

message - log this message

t - log this cause

warn

public void warn(java.lang.Object message)

Log a message to the Log4j Logger with WARN priority.

Specified by:

warn in interface Log

Parameters:

message - log this message

warn

public void warn(java.lang.Object message,
        java.lang.Throwable t)

Log an error to the Log4j Logger with WARN priority.

Specified by:

warn in interface Log

Parameters:

message - log this message

t - log this cause

error

public void error(java.lang.Object message)

Log a message to the Log4j Logger with ERROR priority.

Specified by:

error in interface Log

Parameters:

message - log this message

error

public void error(java.lang.Object message,
         java.lang.Throwable t)

Log an error to the Log4j Logger with ERROR priority.

Specified by:

error in interface Log

Parameters:

message - log this message

t - log this cause

fatal

public void fatal(java.lang.Object message)

Log a message to the Log4j Logger with FATAL priority.

Specified by:

fatal in interface Log

Parameters:

message - log this message

fatal

public void fatal(java.lang.Object message,
         java.lang.Throwable t)

Log an error to the Log4j Logger with FATAL priority.

Specified by:

fatal in interface Log

Parameters:

message - log this message

t - log this cause

getLogger

public org.apache.log4j.Logger getLogger()

Return the native Logger instance we are using.

isDebugEnabled

public boolean isDebugEnabled()

Check whether the Log4j Logger used is enabled for DEBUG priority.

Specified by:

isDebugEnabled in interface Log

isErrorEnabled

public boolean isErrorEnabled()

Check whether the Log4j Logger used is enabled for ERROR priority.

Specified by:

isErrorEnabled in interface Log

isFatalEnabled

public boolean isFatalEnabled()

Check whether the Log4j Logger used is enabled for FATAL priority.

Specified by:

isFatalEnabled in interface Log

isInfoEnabled

public boolean isInfoEnabled()

Check whether the Log4j Logger used is enabled for INFO priority.

Specified by:

isInfoEnabled in interface Log

isTraceEnabled

public boolean isTraceEnabled()

Check whether the Log4j Logger used is enabled for TRACE priority. For Log4J, this returns the value of isDebugEnabled()

Specified by:

isTraceEnabled in interface Log

isWarnEnabled

public boolean isWarnEnabled()

Check whether the Log4j Logger used is enabled for WARN priority.

Specified by:

isWarnEnabled in interface Log