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README

NAME
    Log::Fine - Yet another logging framework

SYNOPSIS
    Provides fine-grained logging and tracing.

        use Log::Fine;
        use Log::Fine::Levels::Syslog;                # exports log levels
        use Log::Fine::Levels::Syslog qw( :masks );   # exports masks and levels

        # build a Log::Fine object
        my $fine = Log::Fine->new();

        # specify a custom map
        my $fine = Log::Fine->new(levelmap => "Syslog");

        # use logger() to get a new logger object.  If "foo" is not
        # defined then a new logger with the name "foo" will be created.
        my $log = Log::Fine->logger("foo");

        # register a handle, in this case a handle that logs to console.
        my $handle = Log::Fine::Handle::Console->new();
        $log->registerHandle( $handle );

        # log a message
        $log->log(INFO, "Log object successfully initialized");

DESCRIPTION
    Log::Fine provides a logging framework for application developers who
    need a fine-grained logging mechanism in their program(s). By itself,
    Log::Fine provides a mechanism to get one or more logging objects
    (called *loggers*) from its stored namespace. Most logging is then done
    through a logger object that is specific to the application.

    For a simple functional interface to the logging sub-system, see
    Log::Fine::Utils.

  Handles

    Handlers provides a means to output log messages in one or more ways.
    Currently, the following handles are provided:

    * Log::Fine::Handle::Console
        Provides logging to `STDERR' or `STDOUT'

    * Log::Fine::Handle::File
        Provides logging to a file

    * Log::Fine::Handle::File::Timestamp
        Same thing with support for time-stamped files

    * Log::Fine::Handle::Syslog
        Provides logging to syslog

    See the relevant perldoc information for more information. Additional
    handlers can be defined to the user's taste.

  Formatters

    A formatter specifies how Log::Fine displays messages. When a message is
    logged, it gets passed through a formatter object, which adds any
    additional information such as a time-stamp or caller information.

    By default, log messages are formatted as follows using the Basic
    formatter object.

         [<time>] <LEVEL> <MESSAGE>

    For more information on the customization of log messages, see
    Log::Fine::Formatter.

METHODS
    The Log::Fine module, by itself, provides getters & setter methods for
    loggers and level classes. After a logger is created, further actions
    are done through the logger object. The following two constructors are
    defined:

  new

    Creates a new Log::Fine object.

    Parameters
    A hash with the following keys

    * levelmap
        [default: Syslog] Name of level map to use. See Log::Fine::Levels
        for further details

    * no_croak
        [optional] If set to true, then do not croak when "_fatal()" is
        called.

    Returns
    The newly bless'd object

  levelMap

    Getter for the global level map.

    Returns
    A Log::Fine::Levels subclass

  logger

    Getter/Constructor for a logger object.

    Parameters
    * logger name
        The name of the logger object. If the specified logger object does
        not exist, then a new one will be created.

    Returns
    an Log::Fine::Logger object

  _fatal

    Private method that is called when a fatal (nonrecoverable) condition is
    encountered. Will call croak unless the {no_croak} attribute is set.

    This method can be overridden per taste.

    Parameters
    message
        Message passed to croak.

ACKNOWLEDGMENTS
    I'd like the thank the following people for either inspiration or past
    work on logging: Josh Glover for his work as well as teaching me all I
    know about object-oriented programming in perl. Dan Boger for taking the
    time and patience to review this code and offer his own suggestions.
    Additional thanks to Tom Maher and Chris Josephs for encouragement.

  Related Modules/Frameworks

    The following logging frameworks provided inspiration for parts of
    Log::Fine.

        Dave Rolsky's Log::Dispatch module

        Sun Microsystem's `java.utils.logging' framework

        The Python logging package

SEE ALSO
    perl, syslog, Log::Fine::Handle, Log::Fine::Formatter,
    Log::Fine::Logger, Log::Fine::Utils, Sys::Syslog

AUTHOR
    Christopher M. Fuhrman, `<cfuhrman at panix.com>'

BUGS
    Please report any bugs or feature requests to `bug-log-fine at
    rt.cpan.org', or through the web interface at
    http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Log-Fine. I will be
    notified, and then you'll automatically be notified of progress on your
    bug as I make changes.

SUPPORT
    You can find documentation for this module with the perldoc command.

        perldoc Log::Fine

    You can also look for information at:

    * AnnoCPAN: Annotated CPAN documentation
        http://annocpan.org/dist/Log-Fine

    * CPAN Ratings
        http://cpanratings.perl.org/d/Log-Fine

    * RT: CPAN's request tracker
        http://rt.cpan.org/NoAuth/Bugs.html?Dist=Log-Fine

    * Search CPAN
        http://search.cpan.org/dist/Log-Fine

CONTRIBUTING
    Want to contribute? The source code repository for Log::Fine is now
    available at http://github.com/cfuhrman/log-fine. To clone your own
    copy:

      $ git clone git://github.com/cfuhrman/log-fine.git

    Signed patches generated by git-format-patch(1) may be submitted via
    email.

REVISION INFORMATION
      $Id: 2bf603f98bcb5a0ffb87044c4b916e31ad57d7d5 $

COPYRIGHT & LICENSE
    Copyright (c) 2008, 2009, 2010 Christopher M. Fuhrman, All rights
    reserved.

    This program is free software licensed under the...

            The BSD License

    The full text of the license can be found in the LICENSE file included
    with this module.

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