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package Jaos::WebApp::Log;
use IO::File;
use strict;
use warnings;
use File::Basename ();
use File::Path ();
sub new
{
my $class = shift;
my $self = {@_};
if ($self->{logfile} ) {
my $logdir = File::Basename::dirname($self->{logfile});
File::Path::mkpath($logdir);
$self->{fh} = IO::File->new($self->{logfile}, 'a') or die "Failed to open logfile: $@";
} else {
$self->{fh} = \*STDERR;
}
$self->{loglevel} ||= 'error';
$self->{level_weight} = { debug => 0, info => 1, error => 2};
bless $self, $class;
}
sub debug { shift->log('debug', @_); };
sub info { shift->log('info', @_); };
sub error { shift->log('error', @_); };
sub level { shift->{loglevel} = shift; }
sub is_level {
my ($self, $level) = @_;
my $weight = $self->{level_weight}->{$level};
my $current_weight = $self->{level_weight}->{$self->{loglevel}};
$current_weight <= $weight;
}
sub log
{
my ($self, $level, @msgs) = @_;
return unless $self->is_level($level);
my $time = localtime(time);
my $msgs = join("\n", @msgs);
my ($pkg, $line) = (caller())[0, 2];
($pkg, $line) = (caller(1))[0, 2] if $pkg eq ref $self;
$self->{fh}->syswrite("[$$] $time $level $pkg:$line $msgs\n");
}
=head1 NAME
Jaos::WebApp::Log - Jaos::WebApp logging
=head1 SYNOPSIS
my $d = Jaos::WebApp::Log->new( logfile => '/path/to/log', loglevel => 'debug');
$d->debug("this is life");
# or via Jaos::WebApp creation
my $app = MyApp->new( logfile => '/path/to/log', loglevel => 'info');
=head1 DESCRIPTION
This is the logging mechanism for L<Jaos::WebApp> that logs to STDERR or the B<logfile> specified.
=head1 METHODS
=head2 new
Constructor.
=head2 debug
Log a debugging message.
=head2 info
Log an informational message.
=head2 error
Log an error message.
=head2 level
Set the default logging level. Anything less less than this level is not logged.
=head1 AUTHOR
Jason Woodward <woodwardj@jaos.org>
=head1 LICENSE
Copyright (C) 2010 Jason Woodward
All rights reserved
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
=cut
1;
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