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package Leyland::Logger; |
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# ABSTARCT: Logging facilities for Leyland applications |
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use Moo; |
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use namespace::clean; |
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=head1 NAME |
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Leyland::Logger - Wrapper around Plack's logging middlewares |
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=head1 SYNOPSIS |
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# in your app.psgi file |
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builder { |
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enable 'SomeLoggingMiddleware'; |
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MyApp->to_app; |
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}; |
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# in your controllers |
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$c->log->debug("Some debug message"); |
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=head1 DESCRIPTION |
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This package provides a simple wrapper around the L logging middleware |
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used by your application. An object of this class is provided to the L |
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object. Read L to learn more. |
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=head1 ATTRIBUTES |
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=head2 logger |
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An anonymous logging subroutine. This will be the C subroutine |
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automatically created by your selected logging middleware. If you haven't selected |
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one, however, this class will create a default one that simply prints messages |
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to standard output or standard error (as appropriate). |
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=cut |
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has 'logger' => ( |
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is => 'ro', |
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isa => sub { die "logger must be a code reference" unless ref $_[0] && ref $_[0] eq 'CODE' }, |
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default => sub { |
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sub { |
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my $args = shift; |
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if ($args->{level} eq 'emergency' || $args->{level} eq 'error') { |
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binmode STDERR, ":encoding(utf8)"; |
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print STDERR '| [', $args->{level}, '] ', $args->{message}, "\n"; |
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} else { |
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binmode STDOUT, ":encoding(utf8)"; |
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print STDOUT '| [', $args->{level}, '] ', $args->{message}, "\n"; |
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} |
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} |
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} |
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); |
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=head1 METHODS |
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This class provides methods for the following log levels: |
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=over |
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=item * B |
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=item * B |
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=item * B (with an B alias) |
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=item * B |
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=item * B (with a B alias) |
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=item * B (with an B alias) |
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=item * B (with a B and B aliases) |
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=item * B |
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=item * B |
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=back |
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All methods take the same parameters: a required C<$message> string, |
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and an optional C<\%data> hash-ref. This is meant to be used by a |
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logger such as L, so take a look at it to learn more. |
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=cut |
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no strict 'refs'; |
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foreach ( |
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['trace'], |
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['debug'], |
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['info', 'inform'], |
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['notice'], |
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['warning', 'warn'], |
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['error', 'err'], |
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['critical', 'crit', 'fatal'], |
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['alert'], |
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['emergency'] |
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) { |
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my $level = $_->[0]; |
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*{$level} = sub { |
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my $self = shift; |
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my $message = { |
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level => $level, |
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message => $_[0], |
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}; |
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if ($_[1]) { |
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$message->{data} = $_[1]; |
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} |
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$self->logger->($message); |
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}; |
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} |
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use strict 'refs'; |
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=head1 AUTHOR |
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Ido Perlmuter, C<< >> |
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=head1 BUGS |
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Please report any bugs or feature requests to C, or through |
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the web interface at L. I will be notified, and then you'll |
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automatically be notified of progress on your bug as I make changes. |
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=head1 SUPPORT |
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You can find documentation for this module with the perldoc command. |
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perldoc Leyland::Logger |
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You can also look for information at: |
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=over 4 |
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=item * RT: CPAN's request tracker |
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L |
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=item * AnnoCPAN: Annotated CPAN documentation |
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L |
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=item * CPAN Ratings |
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L |
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=item * Search CPAN |
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L |
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=back |
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=head1 LICENSE AND COPYRIGHT |
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Copyright 2010-2014 Ido Perlmuter. |
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This program is free software; you can redistribute it and/or modify it |
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under the terms of either: the GNU General Public License as published |
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by the Free Software Foundation; or the Artistic License. |
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See http://dev.perl.org/licenses/ for more information. |
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=cut |
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1; |