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Man Pages


Manual Reference Pages  -  LOG::LOG4PERL::JAVAMAP (3)

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NAME

Log::Log4perl::JavaMap - maps java log4j appenders to Log::Dispatch classes

CONTENTS

SYNOPSIS



     ###############################
     log4j.appender.FileAppndr1        = org.apache.log4j.FileAppender
     log4j.appender.FileAppndr1.File   = /var/log/onetime.log
     log4j.appender.FileAppndr1.Append = false

     log4j.appender.FileAppndr1.layout = org.apache.log4j.PatternLayout
     log4j.appender.FileAppndr1.layout.ConversionPattern=%d %4r [%t] %-5p %c %x - %m%n
     ###############################



DESCRIPTION

If somebody wants to create an appender called org.apache.log4j.ConsoleAppender, we want to translate it to Log::Dispatch::Screen, and then translate the log4j options into Log::Dispatch parameters..

    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.)

Here’s the list of appenders I see on the current (6/2002) log4j site.

These are implemented



    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



These should/will/might be implemented



    DailyRollingFileAppender -
    SMTPAppender     - Log::Dispatch::Email::MailSender



These might be implemented but they don’t have corresponding classes in Log::Dispatch (yet):



    NullAppender
    TelnetAppender



These might be simulated



    LF5Appender - use Tk?
    ExternallyRolledFileAppender - catch a HUP instead?



These will probably not be implemented



    AsyncAppender
    JMSAppender
    SocketAppender - (ships a serialized LoggingEvent to the server side)
    SocketHubAppender



ROLL YOUR OWN

Let’s say you’ve in a mixed Java/Perl environment and you’ve come up with some custom Java appender with behavior you want to use in both worlds, myorg.customAppender. You write a Perl appender with the same behavior Myorg::CustomAppender. You want to use one config file across both applications, so the config file will have to say ’myorg.customAppender’. But the mapping from myorg.customAppender to Myorg::CustomAppender isn’t in this JavaMap class, so what do you do?

In your Perl code, before you call Log::Log4perl::init(), do this:



    $Log::Log4perl::JavaMap::user_defined{myorg.customAppender} =
        Myorg::CustomAppender;



and you can use ’myorg.customAppender’ in your config file with impunity.

SEE ALSO

http://jakarta.apache.org/log4j/docs/

LICENSE

Copyright 2002-2013 by Mike Schilli <m@perlmeister.com> and Kevin Goess <cpan@goess.org>.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

AUTHOR

Please contribute patches to the project on Github:



    http://github.com/mschilli/log4perl



Send bug reports or requests for enhancements to the authors via our

MAILING LIST (questions, bug reports, suggestions/patches): log4perl-devel@lists.sourceforge.net

Authors (please contact them via the list above, not directly): Mike Schilli <m@perlmeister.com>, Kevin Goess <cpan@goess.org>

Contributors (in alphabetical order): Ateeq Altaf, Cory Bennett, Jens Berthold, Jeremy Bopp, Hutton Davidson, Chris R. Donnelly, Matisse Enzer, Hugh Esco, Anthony Foiani, James FitzGibbon, Carl Franks, Dennis Gregorovic, Andy Grundman, Paul Harrington, Alexander Hartmaier David Hull, Robert Jacobson, Jason Kohles, Jeff Macdonald, Markus Peter, Brett Rann, Peter Rabbitson, Erik Selberg, Aaron Straup Cope, Lars Thegler, David Viner, Mac Yang.

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perl v5.20.3 JAVAMAP (3) 2015-04-18

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