File: //usr/local/ssl/local/share/man/man3/Log::Log4perl::JavaMap.3
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.\" ========================================================================
.\"
.IX Title "JavaMap 3"
.TH JavaMap 3 "2010-10-27" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
Log::Log4perl::JavaMap \- maps java log4j appenders to Log::Dispatch classes
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 4
\& ###############################
\& log4j.appender.FileAppndr1 = org.apache.log4j.FileAppender
\& log4j.appender.FileAppndr1.File = /var/log/onetime.log
\& log4j.appender.FileAppndr1.Append = false
.Ve
.PP
.Vb 3
\& log4j.appender.FileAppndr1.layout = org.apache.log4j.PatternLayout
\& log4j.appender.FileAppndr1.layout.ConversionPattern=%d %4r [%t] %-5p %c %x - %m%n
\& ###############################
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
If somebody wants to create an appender called \f(CW\*(C`org.apache.log4j.ConsoleAppender\*(C'\fR,
we want to translate it to Log::Dispatch::Screen, and then translate
the log4j options into Log::Dispatch parameters..
.Sh "What's Implemented"
.IX Subsection "What's Implemented"
(Note that you can always use the Log::Dispatch::* module. By 'implemented'
I mean having a translation class that translates log4j options into
the Log::Dispatch options so you can use log4j rather than log4perl
syntax in your config file.)
.PP
Here's the list of appenders I see on the current (6/2002) log4j site.
.PP
These are implemented
.PP
.Vb 6
\& ConsoleAppender - Log::Dispatch::Screen
\& FileAppender - Log::Dispatch::File
\& RollingFileAppender - Log::Dispatch::FileRotate (by Mark Pfeiffer)
\& JDBCAppender - Log::Log4perl::Appender::DBI
\& SyslogAppender - Log::Dispatch::Syslog
\& NTEventLogAppender - Log::Dispatch::Win32EventLog
.Ve
.PP
These should/will/might be implemented
.PP
.Vb 2
\& DailyRollingFileAppender -
\& SMTPAppender - Log::Dispatch::Email::MailSender
.Ve
.PP
These might be implemented but they don't have corresponding classes
in Log::Dispatch (yet):
.PP
.Vb 2
\& NullAppender
\& TelnetAppender
.Ve
.PP
These might be simulated
.PP
.Vb 2
\& LF5Appender - use Tk?
\& ExternallyRolledFileAppender - catch a HUP instead?
.Ve
.PP
These will probably not be implemented
.PP
.Vb 4
\& AsyncAppender
\& JMSAppender
\& SocketAppender - (ships a serialized LoggingEvent to the server side)
\& SocketHubAppender
.Ve
.SH "ROLL YOUR OWN"
.IX Header "ROLL YOUR OWN"
Let's say you've in a mixed Java/Perl enviroment and you've
come up with some custom Java appender with behavior you want to
use in both worlds, \f(CW\*(C`myorg.customAppender\*(C'\fR. You write a
Perl appender with the same behavior \f(CW\*(C`Myorg::CustomAppender\*(C'\fR. You
want to use one config file accross both applications, so the
config file will have to say 'myorg.customAppender'. But
the mapping from \f(CW\*(C`myorg.customAppender\*(C'\fR to \f(CW\*(C`Myorg::CustomAppender\*(C'\fR
isn't in this JavaMap class, so what do you do?
.PP
In your Perl code, before you call \fILog::Log4perl::init()\fR, do this:
.PP
.Vb 2
\& $Log::Log4perl::JavaMap::user_defined{'myorg.customAppender'} =
\& 'Myorg::CustomAppender';
.Ve
.PP
and you can use 'myorg.customAppender' in your config file with
impunity.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
http://jakarta.apache.org/log4j/docs/
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright 2002\-2009 by Mike Schilli <m@perlmeister.com>
and Kevin Goess <cpan@goess.org>.
.PP
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.