org.apache.log4j.component

Interface ULogger

All Known Implementing Classes:

Log4JULogger, NOPULogger, SimpleULogger

public interface ULogger

A proxy for org.slf4j.ULogger. In slf4j implementing builds, this interface will extend org.slf4j.ULogger and add no additional methods.

Author:

Ceki Gülcü, Curt Arnold

Method Summary

Methods

Modifier and Type	Method and Description
void	debug(Object msg) Log a message object with the DEBUG level.
void	debug(Object parameterizedMsg, Object param1) Log a parameterized message object at the DEBUG level.
void	debug(Object msg, Throwable t) Log a message object with the DEBUG level including the stack trace of the Throwablet passed as parameter.
void	debug(String parameterizedMsg, Object param1, Object param2) Log a parameterized message object at the DEBUG level.
void	error(Object msg) Log a message object with the ERROR level.
void	error(Object parameterizedMsg, Object param1) Log a parameterized message object at the ERROR level.
void	error(Object msg, Throwable t) Log a message object with the ERROR level including the stack trace of the Throwablet passed as parameter.
void	error(String parameterizedMsg, Object param1, Object param2) Log a parameterized message object at the ERROR level.
void	info(Object msg) Log a message object with the INFO level.
void	info(Object parameterizedMsg, Object param1) Log a parameterized message object at the INFO level.
void	info(Object msg, Throwable t) Log a message object with the INFO level including the stack trace of the Throwablet passed as parameter.
void	info(String parameterizedMsg, Object param1, Object param2) Log a parameterized message object at the INFO level.
boolean	isDebugEnabled() Is the logger instance enabled for the DEBUG level?
boolean	isErrorEnabled() Is the logger instance enabled for the ERROR level?
boolean	isInfoEnabled() Is the logger instance enabled for the INFO level?
boolean	isWarnEnabled() Is the logger instance enabled for the WARN level?
void	warn(Object msg) Log a message object with the WARN level.
void	warn(Object parameterizedMsg, Object param1) Log a parameterized message object at the WARN level.
void	warn(Object msg, Throwable t) Log a message object with the WARN level including the stack trace of the Throwablet passed as parameter.
void	warn(String parameterizedMsg, Object param1, Object param2) Log a parameterized message object at the WARN level.

Method Detail

isDebugEnabled

boolean isDebugEnabled()

Is the logger instance enabled for the DEBUG level?

Returns:

true if debug is enabled.

debug

void debug(Object msg)

Log a message object with the DEBUG level.

Parameters:

msg - - the message object to be logged

debug

void debug(Object parameterizedMsg,
         Object param1)

Log a parameterized message object at the DEBUG level.

This form is useful in avoiding the superflous object creation problem when invoking this method while it is disabled.

Parameters:

parameterizedMsg - - the parameterized message object

param1 - - the parameter

debug

void debug(String parameterizedMsg,
         Object param1,
         Object param2)

Log a parameterized message object at the DEBUG level.

This form is useful in avoiding the superflous object creation problem when invoking this method while it is disabled.

Parameters:

parameterizedMsg - - the parameterized message object

param1 - - the first parameter

param2 - - the second parameter

debug

void debug(Object msg,
         Throwable t)

Log a message object with the DEBUG level including the stack trace of the Throwablet passed as parameter.

Parameters:

msg - the message object to log.

t - the exception to log, including its stack trace.

isInfoEnabled

boolean isInfoEnabled()

Is the logger instance enabled for the INFO level?

Returns:

true if debug is enabled.

info

void info(Object msg)

Log a message object with the INFO level.

Parameters:

msg - - the message object to be logged

info

void info(Object parameterizedMsg,
        Object param1)

Log a parameterized message object at the INFO level.

This form is useful in avoiding the superflous object creation problem when invoking this method while it is disabled.

Parameters:

parameterizedMsg - - the parameterized message object

param1 - - the parameter

info

void info(String parameterizedMsg,
        Object param1,
        Object param2)

Log a parameterized message object at the INFO level.

This form is useful in avoiding the superflous object creation problem when invoking this method while it is disabled.

Parameters:

parameterizedMsg - - the parameterized message object

param1 - - the first parameter

param2 - - the second parameter

info

void info(Object msg,
        Throwable t)

Log a message object with the INFO level including the stack trace of the Throwablet passed as parameter.

Parameters:

msg - the message object to log.

t - the exception to log, including its stack trace.

isWarnEnabled

boolean isWarnEnabled()

Is the logger instance enabled for the WARN level?

Returns:

true if debug is enabled.

warn

void warn(Object msg)

Log a message object with the WARN level.

Parameters:

msg - - the message object to be logged

warn

void warn(Object parameterizedMsg,
        Object param1)

Log a parameterized message object at the WARN level.

This form is useful in avoiding the superflous object creation problem when invoking this method while it is disabled.

Parameters:

parameterizedMsg - - the parameterized message object

param1 - - the parameter

warn

void warn(String parameterizedMsg,
        Object param1,
        Object param2)

Log a parameterized message object at the WARN level.

This form is useful in avoiding the superflous object creation problem when invoking this method while it is disabled.

Parameters:

parameterizedMsg - - the parameterized message object

param1 - - the first parameter

param2 - - the second parameter

warn

void warn(Object msg,
        Throwable t)

Log a message object with the WARN level including the stack trace of the Throwablet passed as parameter.

Parameters:

msg - the message object to log.

t - the exception to log, including its stack trace.

isErrorEnabled

boolean isErrorEnabled()

Is the logger instance enabled for the ERROR level?

Returns:

true if debug is enabled.

error

void error(Object msg)

Log a message object with the ERROR level.

Parameters:

msg - - the message object to be logged

error

void error(Object parameterizedMsg,
         Object param1)

Log a parameterized message object at the ERROR level.

This form is useful in avoiding the superflous object creation problem when invoking this method while it is disabled.

Parameters:

parameterizedMsg - - the parameterized message object

param1 - - the parameter

error

void error(String parameterizedMsg,
         Object param1,
         Object param2)

Log a parameterized message object at the ERROR level.

This form is useful in avoiding the superflous object creation problem when invoking this method while it is disabled.

Parameters:

parameterizedMsg - - the parameterized message object

param1 - - the first parameter

param2 - - the second parameter

error

void error(Object msg,
         Throwable t)

Log a message object with the ERROR level including the stack trace of the Throwablet passed as parameter.

Parameters:

msg - the message object to log.

t - the exception to log, including its stack trace.