Package org.slf4j.helpers

package org.slf4j.helpers

Various SLF4J internal utility and helper classes.

Related Packages

Package	Description
org.slf4j	Core logging interfaces.

Class	Description
AbstractLogger	An abstract implementation which delegates actual logging work to the AbstractLogger.handleNormalizedLoggingCall(Level, Marker, String, Object[], Throwable) method.
BasicMarker	A simple implementation of the Marker interface.
BasicMarkerFactory	An almost trivial implementation of the IMarkerFactory interface which creates BasicMarker instances.
BasicMDCAdapter	Basic MDC implementation, which can be used with logging systems that lack out-of-the-box MDC support.
CheckReturnValue	Used to annotate methods in the LoggingEventBuilder interface which return an instance of LoggingEventBuilder (usually as this).
FormattingTuple	Holds the results of formatting done by MessageFormatter.
LegacyAbstractLogger	Provides minimal default implementations for LegacyAbstractLogger.isTraceEnabled(Marker), LegacyAbstractLogger.isDebugEnabled(Marker) and other similar methods.
MarkerIgnoringBase	Deprecated.
MessageFormatter	Formats messages according to very simple substitution rules.
NOP_FallbackServiceProvider
NOPLogger	A direct NOP (no operation) implementation of Logger.
NOPLoggerFactory	NOPLoggerFactory is a trivial implementation of ILoggerFactory which always returns the unique instance of NOPLogger.
NOPMDCAdapter	This adapter is an empty implementation of the MDCAdapter interface.
NormalizedParameters	Holds normalized call parameters.
Reporter	An internally used class for reporting internal messages generated by SLF4J itself during initialization.
SubstituteLogger	A logger implementation which logs via a delegate logger.
SubstituteLoggerFactory	SubstituteLoggerFactory manages instances of SubstituteLogger.
SubstituteServiceProvider
ThreadLocalMapOfStacks	A simple implementation of ThreadLocal backed Map containing values of type Deque.
Util	An internal utility class.