Package org.apache.log4j.helpers

This package is used internally.

See: Description

Class Summary

Class	Description
AbsoluteTimeDateFormat	Formats a Date in the format "HH:mm:ss,SSS" for example, "15:49:37,459".
AppenderAttachableImpl	A straightforward implementation of the AppenderAttachable interface.
BoundedFIFO	BoundedFIFO serves as the bounded first-in-first-out buffer heavily used by the AsyncAppender.
CountingQuietWriter	Counts the number of bytes written.
CyclicBuffer	CyclicBuffer is used by other appenders to hold LoggingEvents for immediate or differed display.
DateLayout	This abstract layout takes care of all the date related options and formatting work.
DateTimeDateFormat	Formats a Date in the format "dd MMM yyyy HH:mm:ss,SSS" for example, "06 Nov 1994 15:49:37,459".
FileWatchdog	Check every now and then that a certain file has not changed.
FormattingInfo	FormattingInfo instances contain the information obtained when parsing formatting modifiers in conversion modifiers.
ISO8601DateFormat	Formats a Date in the format "yyyy-MM-dd HH:mm:ss,SSS" for example "1999-11-27 15:49:37,459".
Loader	Load resources (or images) from various sources.
LogLog	This class used to output log statements from within the log4j package.
MDCKeySetExtractor
NullEnumeration	An always-empty Enumerator.
OnlyOnceErrorHandler	The OnlyOnceErrorHandler implements log4j's default error handling policy which consists of emitting a message for the first error in an appender and ignoring all following errors.
OptionConverter	A convenience class to convert property values to specific types.
PatternConverter	PatternConverter is an abtract class that provides the formatting functionality that derived classes need.
PatternParser	Most of the work of the PatternLayout class is delegated to the PatternParser class.
QuietWriter	QuietWriter does not throw exceptions when things go wrong.
RelativeTimeDateFormat	Formats a Date by printing the number of milliseconds elapsed since construction of the format.
SyslogQuietWriter	SyslogQuietWriter extends QuietWriter by prepending the syslog level code before each printed String.
SyslogWriter	SyslogWriter is a wrapper around the java.net.DatagramSocket class so that it behaves like a java.io.Writer.
ThreadLocalMap	ThreadLocalMap extends InheritableThreadLocal to bequeath a copy of the hashtable of the MDC of the parent thread.
Transform	Utility class for transforming strings.
UtilLoggingLevel	An extension of the Level class that provides support for java.util.logging Levels.

Package org.apache.log4j.helpers Description

This package is used internally.

Last modified: Sat Jul 3 15:12:58 MDT 1999