diff options
Diffstat (limited to 'perllib/Catalyst/Log.pm')
-rw-r--r-- | perllib/Catalyst/Log.pm | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/perllib/Catalyst/Log.pm b/perllib/Catalyst/Log.pm deleted file mode 100644 index d72ee162f..000000000 --- a/perllib/Catalyst/Log.pm +++ /dev/null @@ -1,329 +0,0 @@ -package Catalyst::Log; - -use Moose; -with 'MooseX::Emulate::Class::Accessor::Fast'; - -use Data::Dump; -use Class::MOP (); -use Carp qw/ cluck /; - -our %LEVELS = (); # Levels stored as bit field, ergo debug = 1, warn = 2 etc -our %LEVEL_MATCH = (); # Stored as additive, thus debug = 31, warn = 30 etc - -has level => (is => 'rw'); -has _body => (is => 'rw'); -has abort => (is => 'rw'); -has _psgi_logger => (is => 'rw', predicate => '_has_psgi_logger', clearer => '_clear_psgi_logger'); -has _psgi_errors => (is => 'rw', predicate => '_has_psgi_errors', clearer => '_clear_psgi_errors'); - -sub clear_psgi { - my $self = shift; - $self->_clear_psgi_logger; - $self->_clear_psgi_errors; -} - -sub psgienv { - my ($self, $env) = @_; - - $self->_psgi_logger($env->{'psgix.logger'}) if $env->{'psgix.logger'}; - $self->_psgi_errors($env->{'psgi.errors'}) if $env->{'psgi.errors'}; -} - - -{ - my @levels = qw[ debug info warn error fatal ]; - - my $meta = Class::MOP::get_metaclass_by_name(__PACKAGE__); - my $summed_level = 0; - for ( my $i = $#levels ; $i >= 0 ; $i-- ) { - - my $name = $levels[$i]; - - my $level = 1 << $i; - $summed_level |= $level; - - $LEVELS{$name} = $level; - $LEVEL_MATCH{$name} = $summed_level; - - $meta->add_method($name, sub { - my $self = shift; - - if ( $self->level & $level ) { - $self->_log( $name, @_ ); - } - }); - - $meta->add_method("is_$name", sub { - my $self = shift; - return $self->level & $level; - });; - } -} - -around new => sub { - my $orig = shift; - my $class = shift; - my $self = $class->$orig; - - $self->levels( scalar(@_) ? @_ : keys %LEVELS ); - - return $self; -}; - -sub levels { - my ( $self, @levels ) = @_; - $self->level(0); - $self->enable(@levels); -} - -sub enable { - my ( $self, @levels ) = @_; - my $level = $self->level; - for(map { $LEVEL_MATCH{$_} } @levels){ - $level |= $_; - } - $self->level($level); -} - -sub disable { - my ( $self, @levels ) = @_; - my $level = $self->level; - for(map { $LEVELS{$_} } @levels){ - $level &= ~$_; - } - $self->level($level); -} - -our $HAS_DUMPED; -sub _dump { - my $self = shift; - unless ($HAS_DUMPED++) { - cluck("Catalyst::Log::_dump is deprecated and will be removed. Please change to using your own Dumper.\n"); - } - $self->info( Data::Dump::dump(@_) ); -} - -sub _log { - my $self = shift; - my $level = shift; - my $message = join( "\n", @_ ); - if ($self->can('_has_psgi_logger') and $self->_has_psgi_logger) { - $self->_psgi_logger->({ - level => $level, - message => $message, - }); - } else { - $message .= "\n" unless $message =~ /\n$/; - my $body = $self->_body; - $body .= sprintf( "[%s] %s", $level, $message ); - $self->_body($body); - } -} - -sub _flush { - my $self = shift; - if ( $self->abort || !$self->_body ) { - $self->abort(undef); - } - else { - $self->_send_to_log( $self->_body ); - } - $self->_body(undef); -} - -sub _send_to_log { - my $self = shift; - if ($self->can('_has_psgi_errors') and $self->_has_psgi_errors) { - $self->_psgi_errors->print(@_); - } else { - print STDERR @_; - } -} - -# 5.7 compat code. -# Alias _body to body, add a before modifier to warn.. -my $meta = __PACKAGE__->meta; # Calling meta method here fine as we happen at compile time. -$meta->add_method('body', $meta->get_method('_body')); -my %package_hash; # Only warn once per method, per package. - # I haven't provided a way to disable them, patches welcome. -$meta->add_before_method_modifier('body', sub { - my $class = blessed(shift); - $package_hash{$class}++ || do { - warn("Class $class is calling the deprecated method Catalyst::Log->body method,\n" - . "this will be removed in Catalyst 5.81"); - }; -}); -# End 5.70 backwards compatibility hacks. - -no Moose; -__PACKAGE__->meta->make_immutable(inline_constructor => 0); - -1; - -__END__ - -=for stopwords psgienv - -=head1 NAME - -Catalyst::Log - Catalyst Log Class - -=head1 SYNOPSIS - - $log = $c->log; - $log->debug($message); - $log->info($message); - $log->warn($message); - $log->error($message); - $log->fatal($message); - - if ( $log->is_debug ) { - # expensive debugging - } - - -See L<Catalyst>. - -=head1 DESCRIPTION - -This module provides the default, simple logging functionality for Catalyst. -If you want something different set C<< $c->log >> in your application module, -e.g.: - - $c->log( MyLogger->new ); - -Your logging object is expected to provide the interface described here. -Good alternatives to consider are Log::Log4Perl and Log::Dispatch. - -If you want to be able to log arbitrary warnings, you can do something along -the lines of - - $SIG{__WARN__} = sub { MyApp->log->warn(@_); }; - -however this is (a) global, (b) hairy and (c) may have unexpected side effects. -Don't say we didn't warn you. - -=head1 LOG LEVELS - -=head2 debug - - $log->is_debug; - $log->debug($message); - -=head2 info - - $log->is_info; - $log->info($message); - -=head2 warn - - $log->is_warn; - $log->warn($message); - -=head2 error - - $log->is_error; - $log->error($message); - -=head2 fatal - - $log->is_fatal; - $log->fatal($message); - -=head1 METHODS - -=head2 new - -Constructor. Defaults to enable all levels unless levels are provided in -arguments. - - $log = Catalyst::Log->new; - $log = Catalyst::Log->new( 'warn', 'error' ); - -=head2 level - -Contains a bitmask of the currently set log levels. - -=head2 levels - -Set log levels - - $log->levels( 'warn', 'error', 'fatal' ); - -=head2 enable - -Enable log levels - - $log->enable( 'warn', 'error' ); - -=head2 disable - -Disable log levels - - $log->disable( 'warn', 'error' ); - -=head2 is_debug - -=head2 is_error - -=head2 is_fatal - -=head2 is_info - -=head2 is_warn - -Is the log level active? - -=head2 abort - -Should Catalyst emit logs for this request? Will be reset at the end of -each request. - -*NOTE* This method is not compatible with other log apis, so if you plan -to use Log4Perl or another logger, you should call it like this: - - $c->log->abort(1) if $c->log->can('abort'); - -=head2 _send_to_log - - $log->_send_to_log( @messages ); - -This protected method is what actually sends the log information to STDERR. -You may subclass this module and override this method to get finer control -over the log output. - -=head2 psgienv $env - - $log->psgienv($env); - -NOTE: This is not meant for public consumption. - -Set the PSGI environment for this request. This ensures logs will be sent to -the right place. If the environment has a C<psgix.logger>, it will be used. If -not, we will send logs to C<psgi.errors> if that exists. As a last fallback, we -will send to STDERR as before. - -=head2 clear_psgi - -Clears the PSGI environment attributes set by L</psgienv>. - -=head2 meta - -=head1 SEE ALSO - -L<Catalyst>. - -=head1 AUTHORS - -Catalyst Contributors, see Catalyst.pm - -=head1 COPYRIGHT - -This library is free software. You can redistribute it and/or modify -it under the same terms as Perl itself. - -=cut - -__PACKAGE__->meta->make_immutable; - -1; |