| 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.
|
| COWArrayList<E> |
A GC-free lock-free thread-safe implementation of the
List interface for use cases where iterations over the
list vastly out-number modifications on the list. |
| 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.
|
| VersionUtil |
This package is used internally.
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