Part III. Modules

Table of Contents

Extending Log4g

Log4gModule — Loadable appender, filter & layout modules

Log4gModuleLoader — Load external modules

Log4gDefaultModuleLoader — An implementation of the module loader interface

Appenders

Log4gAsyncAppender — Log events asynchronously

Log4gConsoleAppender — Log events to stdout or stderr

Log4gFileAppender — Log events to a file

Log4gNullAppender — A do-nothing appender

Log4gRollingFileAppender — Backup log files when they reach a specified size

Log4gSyslogAppender — Append to the local syslog

Log4gWriterAppender — Append to a stdio(3) stream.

Log4gQuietWriter — Write to a stdio(3) stream

Log4gCountingQuietWriter — Counts the number of bytes written

Filters

Log4gDenyAllFilter — Drop all logging events

Log4gLevelMatchFilter — A filter based on level matching

Log4gLevelRangeFilter — A filter based on level ranges

Log4gStringMatchFilter — A filter based on string matching

Layouts

Log4gDateLayout — A layout that formats dates

Log4gHTMLLayout — Format events into an HTML table

Log4gPatternLayout — A layout configurable with a pattern string

Log4gSimpleLayout — A simple log layout

Log4gTTCCLayout — Output the time, thread, category & context

Log4gXMLLayout — Format events into XML

Log4gPatternConverter — Provide formatting functionality for pattern converters

Log4gPatternParser — Parse pattern layout conversion patterns

CouchDB

Log4gCouchdbAppender — Log events to an Apache CouchDB

Log4gCouchdbLayout — Format events into a CouchDB document