Class SLF4JLogger

java.lang.Object

org.apache.logging.log4j.spi.AbstractLogger

org.apache.logging.slf4j.SLF4JLogger

All Implemented Interfaces:

Serializable, Logger, ExtendedLogger, LocationAwareLogger

public class SLF4JLogger
extends AbstractLogger

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static final boolean	LAZY_LEVEL_CHECK	Logback supports turbo filters, that can override the logger's level.
private final org.slf4j.spi.LocationAwareLogger	locationAwareLogger
private static final ThreadLocal<SLF4JLogBuilder>	logBuilder
private final org.slf4j.Logger	logger
private static final long	serialVersionUID

Fields inherited from class AbstractLogger

CATCHING_MARKER, DEFAULT_FLOW_MESSAGE_FACTORY_CLASS, DEFAULT_MESSAGE_FACTORY_CLASS, ENTRY_MARKER, EXCEPTION_MARKER, EXIT_MARKER, FLOW_MARKER, name, THROWING_MARKER

Constructor Summary

Constructors

Constructor	Description
SLF4JLogger(String name, MessageFactory messageFactory, org.slf4j.Logger logger)
SLF4JLogger(String name, org.slf4j.Logger logger)

Method Summary

Modifier and Type	Method	Description
LogBuilder	always()	Construct a log event that will always be logged.
LogBuilder	atDebug()	Construct a debug log event.
LogBuilder	atError()	Construct an error log event.
LogBuilder	atFatal()	Construct a fatal log event.
LogBuilder	atInfo()	Construct an informational log event.
LogBuilder	atLevel(Level level)	Construct a log event.
LogBuilder	atTrace()	Construct a trace log event.
LogBuilder	atWarn()	Construct a warning log event.
private int	convertLevel(Level level)
private static org.slf4j.Marker	convertMarker(Marker marker)
Level	getLevel()	Gets the Level associated with the Logger.
protected LogBuilder	getLogBuilder(Level level)	Returns a log builder that logs at the specified level.
org.slf4j.Logger	getLogger()
private static org.slf4j.Marker	getMarker(Marker marker)
boolean	isEnabled(Level level, Marker marker, CharSequence data, Throwable t)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, Object data, Throwable t)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String data)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String data, Object... p1)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0, Object p1)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0, Object p1, Object p2)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0, Object p1, Object p2, Object p3)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0, Object p1, Object p2, Object p3, Object p4)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5, Object p6)	Determines if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5, Object p6, Object p7)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5, Object p6, Object p7, Object p8)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5, Object p6, Object p7, Object p8, Object p9)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, String data, Throwable t)	Tests if logging is enabled.
boolean	isEnabled(Level level, Marker marker, Message data, Throwable t)	Tests if logging is enabled.
private boolean	isEnabledFor(Level level, Marker marker)
void	logMessage(String fqcn, Level level, Marker marker, Message message, Throwable t)	Logs a message at the specified level.

Methods inherited from class AbstractLogger

catching, catching, catching, catchingMsg, checkMessageFactory, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, debug, enter, enter, enter, enter, enter, entry, entry, entry, entryMsg, entryMsg, entryMsg, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, error, exit, exit, exit, exit, exitMsg, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, fatal, getFlowMessageFactory, getMessageFactory, getName, getRecursionDepth, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, info, isDebugEnabled, isDebugEnabled, isEnabled, isEnabled, isErrorEnabled, isErrorEnabled, isFatalEnabled, isFatalEnabled, isInfoEnabled, isInfoEnabled, isTraceEnabled, isTraceEnabled, isWarnEnabled, isWarnEnabled, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logIfEnabled, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, logMessage, printf, printf, requiresLocation, throwing, throwing, throwing, throwingMsg, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, trace, traceEntry, traceEntry, traceEntry, traceEntry, traceEntry, traceExit, traceExit, traceExit, traceExit, traceExit, traceExit, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn, warn

Methods inherited from class Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

LAZY_LEVEL_CHECK

private static final boolean LAZY_LEVEL_CHECK

Logback supports turbo filters, that can override the logger's level. Therefore we can never return a no-op builder.

logBuilder

private static final ThreadLocal<SLF4JLogBuilder> logBuilder

logger

private final org.slf4j.Logger logger

locationAwareLogger

private final org.slf4j.spi.LocationAwareLogger locationAwareLogger

Constructor Details

SLF4JLogger

public SLF4JLogger(String name,
 MessageFactory messageFactory,
 org.slf4j.Logger logger)

SLF4JLogger

public SLF4JLogger(String name,
 org.slf4j.Logger logger)

Method Details

convertLevel

private int convertLevel(Level level)

getLevel

public Level getLevel()

Description copied from interface: Logger

Gets the Level associated with the Logger.

Returns:

the Level associate with the Logger.

getLogger

public org.slf4j.Logger getLogger()

getMarker

private static org.slf4j.Marker getMarker(Marker marker)

convertMarker

private static org.slf4j.Marker convertMarker(Marker marker)

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 Message data,
 Throwable t)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

data - The Message.

t - A Throwable.

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 CharSequence data,
 Throwable t)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

data - The message.

t - A Throwable.

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 Object data,
 Throwable t)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

data - The message.

t - A Throwable.

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String data)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

data - The message.

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String data,
 Object... p1)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

data - The message.

p1 - The parameters.

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0,
 Object p1)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

p1 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0,
 Object p1,
 Object p2)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

p1 - the message parameters

p2 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0,
 Object p1,
 Object p2,
 Object p3)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

p1 - the message parameters

p2 - the message parameters

p3 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0,
 Object p1,
 Object p2,
 Object p3,
 Object p4)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

p1 - the message parameters

p2 - the message parameters

p3 - the message parameters

p4 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0,
 Object p1,
 Object p2,
 Object p3,
 Object p4,
 Object p5)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

p1 - the message parameters

p2 - the message parameters

p3 - the message parameters

p4 - the message parameters

p5 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0,
 Object p1,
 Object p2,
 Object p3,
 Object p4,
 Object p5,
 Object p6)

Description copied from interface: ExtendedLogger

Determines if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

p1 - the message parameters

p2 - the message parameters

p3 - the message parameters

p4 - the message parameters

p5 - the message parameters

p6 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0,
 Object p1,
 Object p2,
 Object p3,
 Object p4,
 Object p5,
 Object p6,
 Object p7)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

p1 - the message parameters

p2 - the message parameters

p3 - the message parameters

p4 - the message parameters

p5 - the message parameters

p6 - the message parameters

p7 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0,
 Object p1,
 Object p2,
 Object p3,
 Object p4,
 Object p5,
 Object p6,
 Object p7,
 Object p8)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

p1 - the message parameters

p2 - the message parameters

p3 - the message parameters

p4 - the message parameters

p5 - the message parameters

p6 - the message parameters

p7 - the message parameters

p8 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String message,
 Object p0,
 Object p1,
 Object p2,
 Object p3,
 Object p4,
 Object p5,
 Object p6,
 Object p7,
 Object p8,
 Object p9)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

message - The message.

p0 - the message parameters

p1 - the message parameters

p2 - the message parameters

p3 - the message parameters

p4 - the message parameters

p5 - the message parameters

p6 - the message parameters

p7 - the message parameters

p8 - the message parameters

p9 - the message parameters

Returns:

True if logging is enabled, false otherwise.

isEnabled

public boolean isEnabled(Level level,
 Marker marker,
 String data,
 Throwable t)

Description copied from interface: ExtendedLogger

Tests if logging is enabled.

Parameters:

level - The logging Level to check.

marker - A Marker or null.

data - The message.

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

Returns:

True if logging is enabled, false otherwise.

isEnabledFor

private boolean isEnabledFor(Level level,
 Marker marker)

logMessage

public void logMessage(String fqcn,
 Level level,
 Marker marker,
 Message message,
 Throwable t)

Description copied from interface: ExtendedLogger

Logs a message at the specified level. It is the responsibility of the caller to ensure the specified level is enabled.

Parameters:

fqcn - The fully qualified class name of the logger entry point, used to determine the caller class and method when location information needs to be logged.

level - The logging Level to check.

marker - A Marker or null.

message - The Message.

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

always

public LogBuilder always()

Description copied from class: AbstractLogger

Construct a log event that will always be logged.

Specified by:

always in interface Logger

Overrides:

always in class AbstractLogger

Returns:

a LogBuilder.

atTrace

public LogBuilder atTrace()

Description copied from class: AbstractLogger

Construct a trace log event.

Specified by:

atTrace in interface Logger

Overrides:

atTrace in class AbstractLogger

Returns:

a LogBuilder.

atDebug

public LogBuilder atDebug()

Description copied from class: AbstractLogger

Construct a debug log event.

Specified by:

atDebug in interface Logger

Overrides:

atDebug in class AbstractLogger

Returns:

a LogBuilder.

atInfo

public LogBuilder atInfo()

Description copied from class: AbstractLogger

Construct an informational log event.

Specified by:

atInfo in interface Logger

Overrides:

atInfo in class AbstractLogger

Returns:

a LogBuilder.

atWarn

public LogBuilder atWarn()

Description copied from class: AbstractLogger

Construct a warning log event.

Specified by:

atWarn in interface Logger

Overrides:

atWarn in class AbstractLogger

Returns:

a LogBuilder.

atError

public LogBuilder atError()

Description copied from class: AbstractLogger

Construct an error log event.

Specified by:

atError in interface Logger

Overrides:

atError in class AbstractLogger

Returns:

a LogBuilder.

atFatal

public LogBuilder atFatal()

Description copied from class: AbstractLogger

Construct a fatal log event.

Specified by:

atFatal in interface Logger

Overrides:

atFatal in class AbstractLogger

Returns:

a LogBuilder.

getLogBuilder

protected LogBuilder getLogBuilder(Level level)

Description copied from class: AbstractLogger

Returns a log builder that logs at the specified level.

Overrides:

getLogBuilder in class AbstractLogger

atLevel

public LogBuilder atLevel(Level level)

Description copied from class: AbstractLogger

Construct a log event.

Specified by:

atLevel in interface Logger

Overrides:

atLevel in class AbstractLogger

Parameters:

level - Any level (ignoreed here).

Returns:

a LogBuilder.