Module org.slf4j
Package org.slf4j.helpers
package org.slf4j.helpers
Helper classes.
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ClassDescriptionAn abstract implementation which delegates actual logging work to the
AbstractLogger.handleNormalizedLoggingCall(Level, Marker, String, Object[], Throwable)method.A simple implementation of theMarkerinterface.An almost trivial implementation of theIMarkerFactoryinterface which createsBasicMarkerinstances.Basic MDC implementation, which can be used with logging systems that lack out-of-the-box MDC support.Used to annotate methods in theLoggingEventBuilderinterface which return an instance of LoggingEventBuilder (usually asthis).Holds the results of formatting done byMessageFormatter.Provides minimal default implementations forLegacyAbstractLogger.isTraceEnabled(Marker),LegacyAbstractLogger.isDebugEnabled(Marker)and other similar methods.Deprecated.Formats messages according to very simple substitution rules.A direct NOP (no operation) implementation ofLogger.NOPLoggerFactory is a trivial implementation ofILoggerFactorywhich always returns the unique instance of NOPLogger.This adapter is an empty implementation of theMDCAdapterinterface.Holds normalized call parameters.A logger implementation which logs via a delegate logger.SubstituteLoggerFactory manages instances ofSubstituteLogger.A simple implementation of ThreadLocal backed Map containing values of type Deque. An internal utility class.