net.pwall.log

Class NullLogger

java.lang.Object

net.pwall.log.NullLogger

All Implemented Interfaces:

Logger

public class NullLogger
extends Object
implements Logger

A null implementation of the Logger interface (logs nothing).

Author:

Peter Wall

Constructor Summary

Constructors

Constructor and Description
NullLogger(String name) Construct a NullLogger with the specified name.

Method Summary

Modifier and Type	Method and Description
void	debug(Object message) Output a debug message.
void	error(Object message) Output an error message.
void	error(Throwable throwable, Object message) Output an error message along with a Throwable.
String	getName() Get the name associated with this Logger.
void	info(Object message) Output an info message.
boolean	isDebugEnabled() Test whether debug output is enabled for this Logger.
boolean	isEnabled(Level level) Test whether the specified level is enabled for this Logger.
boolean	isErrorEnabled() Test whether error output is enabled for this Logger.
boolean	isInfoEnabled() Test whether info output is enabled for this Logger.
boolean	isTraceEnabled() Test whether trace output is enabled for this Logger.
boolean	isWarnEnabled() Test whether warning output is enabled for this Logger.
void	log(Level level, Object message) Output a message with a variable level.
void	trace(Object message) Output a trace message.
void	warn(Object message) Output a warning message.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.pwall.log.Logger

debug, error, error, getClock, getLevel, info, log, setClock, setLevel, trace, warn

Constructor Detail

NullLogger

public NullLogger(String name)

Construct a NullLogger with the specified name.

Parameters:

name - the name

Method Detail

getName

public String getName()

Get the name associated with this Logger.

Specified by:

getName in interface Logger

Returns:

the name

trace

public void trace(Object message)

Description copied from interface: Logger

Output a trace message.

Specified by:

trace in interface Logger

Parameters:

message - the message

debug

public void debug(Object message)

Description copied from interface: Logger

Output a debug message.

Specified by:

debug in interface Logger

Parameters:

message - the message

info

public void info(Object message)

Description copied from interface: Logger

Output an info message.

Specified by:

info in interface Logger

Parameters:

message - the message

warn

public void warn(Object message)

Description copied from interface: Logger

Output a warning message.

Specified by:

warn in interface Logger

Parameters:

message - the message

error

public void error(Object message)

Description copied from interface: Logger

Output an error message.

Specified by:

error in interface Logger

Parameters:

message - the message

error

public void error(Throwable throwable,
                  Object message)

Description copied from interface: Logger

Output an error message along with a Throwable.

Specified by:

error in interface Logger

Parameters:

throwable - the Throwable

message - the message

log

public void log(Level level,
                Object message)

Description copied from interface: Logger

Output a message with a variable level.

Specified by:

log in interface Logger

Parameters:

level - the Level

message - the message (will be output using toString()

isTraceEnabled

public boolean isTraceEnabled()

Description copied from interface: Logger

Test whether trace output is enabled for this Logger.

Specified by:

isTraceEnabled in interface Logger

Returns:

true if trace output is enabled

isDebugEnabled

public boolean isDebugEnabled()

Description copied from interface: Logger

Test whether debug output is enabled for this Logger.

Specified by:

isDebugEnabled in interface Logger

Returns:

true if debug output is enabled

isInfoEnabled

public boolean isInfoEnabled()

Description copied from interface: Logger

Test whether info output is enabled for this Logger.

Specified by:

isInfoEnabled in interface Logger

Returns:

true if info output is enabled

isWarnEnabled

public boolean isWarnEnabled()

Description copied from interface: Logger

Test whether warning output is enabled for this Logger.

Specified by:

isWarnEnabled in interface Logger

Returns:

true if warning output is enabled

isErrorEnabled

public boolean isErrorEnabled()

Description copied from interface: Logger

Test whether error output is enabled for this Logger.

Specified by:

isErrorEnabled in interface Logger

Returns:

true if error output is enabled

isEnabled

public boolean isEnabled(Level level)

Description copied from interface: Logger

Test whether the specified level is enabled for this Logger.

Specified by:

isEnabled in interface Logger

Parameters:

level - the Level

Returns:

true if output of the specified level is enabled