Class AbstractLogger

java.lang.Object

net.spy.memcached.compat.log.AbstractLogger

All Implemented Interfaces:

Logger

Direct Known Subclasses:

DefaultLogger, Log4JLogger, SLF4JLogger, SunLogger

public abstract class AbstractLogger
extends Object
implements Logger

Abstract implementation of Logger providing most of the common framework.

Field Summary

Fields

Modifier and Type	Field	Description
private final String	name

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractLogger(String nm)	Instantiate the abstract logger.

Method Summary

Modifier and Type	Method	Description
void	debug(Object message)	Log a message at debug level.
void	debug(Object message, Throwable exception)	Log a message at debug level.
void	debug(String message, Object... args)	Log a formatted message at debug level.
void	error(Object message)	Log a message at error level.
void	error(Object message, Throwable exception)	Log a message at error level.
void	error(String message, Object... args)	Log a formatted message at debug level.
void	fatal(Object message)	Log a message at fatal level.
void	fatal(Object message, Throwable exception)	Log a message at fatal level.
void	fatal(String message, Object... args)	Log a formatted message at debug level.
String	getName()	Get the name of this logger.
Throwable	getThrowable(Object[] args)	Get the throwable from the last element of this array if it is Throwable, else null.
void	info(Object message)	Log a message at info level.
void	info(Object message, Throwable exception)	Log a message at info level.
void	info(String message, Object... args)	Log a formatted message at info level.
abstract boolean	isDebugEnabled()	True if debug is enabled for this logger.
abstract boolean	isInfoEnabled()	True if debug is enabled for this logger.
void	log(Level level, Object message)	Log a message at the given level.
abstract void	log(Level level, Object message, Throwable e)	Subclasses should implement this method to determine what to do when a client wants to log at a particular level.
void	trace(Object message)	Log a message at trace level.
void	trace(Object message, Throwable exception)	Log a message at trace level.
void	trace(String message, Object... args)	Log a formatted message at trace level.
void	warn(Object message)	Log a message at warning level.
void	warn(Object message, Throwable exception)	Log a message at warning level.
void	warn(String message, Object... args)	Log a formatted message at debug level.

Methods inherited from class Object

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

Methods inherited from interface Logger

isTraceEnabled

Field Details

name

private final String name

Constructor Details

AbstractLogger

protected AbstractLogger(String nm)

Instantiate the abstract logger.

Method Details

getName

public String getName()

Get the name of this logger.

Specified by:

getName in interface Logger

getThrowable

public Throwable getThrowable(Object[] args)

Get the throwable from the last element of this array if it is Throwable, else null.

isDebugEnabled

public abstract boolean isDebugEnabled()

True if debug is enabled for this logger. Default implementation always returns false

Specified by:

isDebugEnabled in interface Logger

Returns:

true if debug messages would be displayed

isInfoEnabled

public abstract boolean isInfoEnabled()

True if debug is enabled for this logger. Default implementation always returns false

Specified by:

isInfoEnabled in interface Logger

Returns:

true if info messages would be displayed

trace

public void trace(Object message,
 Throwable exception)

Log a message at trace level.

Specified by:

trace in interface Logger

Parameters:

message - the message to log

exception - the exception that caused the message to be generated

trace

public void trace(String message,
 Object... args)

Log a formatted message at trace level.

Specified by:

trace in interface Logger

Parameters:

message - the message to log

args - the arguments for that message

trace

public void trace(Object message)

Log a message at trace level.

Specified by:

trace in interface Logger

Parameters:

message - the message to log

debug

public void debug(Object message,
 Throwable exception)

Log a message at debug level.

Specified by:

debug in interface Logger

Parameters:

message - the message to log

exception - the exception that caused the message to be generated

debug

public void debug(String message,
 Object... args)

Log a formatted message at debug level.

Specified by:

debug in interface Logger

Parameters:

message - the message to log

args - the arguments for that message

debug

public void debug(Object message)

Log a message at debug level.

Specified by:

debug in interface Logger

Parameters:

message - the message to log

info

public void info(Object message,
 Throwable exception)

Log a message at info level.

Specified by:

info in interface Logger

Parameters:

message - the message to log

exception - the exception that caused the message to be generated

info

public void info(String message,
 Object... args)

Log a formatted message at info level.

Specified by:

info in interface Logger

Parameters:

message - the message to log

args - the arguments for that message

info

public void info(Object message)

Log a message at info level.

Specified by:

info in interface Logger

Parameters:

message - the message to log

warn

public void warn(Object message,
 Throwable exception)

Log a message at warning level.

Specified by:

warn in interface Logger

Parameters:

message - the message to log

exception - the exception that caused the message to be generated

warn

public void warn(String message,
 Object... args)

Log a formatted message at debug level.

Specified by:

warn in interface Logger

Parameters:

message - the message to log

args - the arguments for that message

warn

public void warn(Object message)

Log a message at warning level.

Specified by:

warn in interface Logger

Parameters:

message - the message to log

error

public void error(Object message,
 Throwable exception)

Log a message at error level.

Specified by:

error in interface Logger

Parameters:

message - the message to log

exception - the exception that caused the message to be generated

error

public void error(String message,
 Object... args)

Log a formatted message at debug level.

Specified by:

error in interface Logger

Parameters:

message - the message to log

args - the arguments for that message

error

public void error(Object message)

Log a message at error level.

Specified by:

error in interface Logger

Parameters:

message - the message to log

fatal

public void fatal(Object message,
 Throwable exception)

Log a message at fatal level.

Specified by:

fatal in interface Logger

Parameters:

message - the message to log

exception - the exception that caused the message to be generated

fatal

public void fatal(String message,
 Object... args)

Log a formatted message at debug level.

Specified by:

fatal in interface Logger

Parameters:

message - the message to log

args - the arguments for that message

fatal

public void fatal(Object message)

Log a message at fatal level.

Specified by:

fatal in interface Logger

Parameters:

message - the message to log

log

public void log(Level level,
 Object message)

Log a message at the given level.

Specified by:

log in interface Logger

Parameters:

level - the level

message - the message

log

public abstract void log(Level level,
 Object message,
 Throwable e)

Subclasses should implement this method to determine what to do when a client wants to log at a particular level.

Specified by:

log in interface Logger

Parameters:

level - the level to log at (see the fields of this class)

message - the message to log

e - the exception that caused the message (or null)