Log-Mini/lib/Log/Mini/LoggerBase.pm

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Perl
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2019-02-21 22:30:49 +03:00
package Log::Mini::LoggerBase;
use strict;
use warnings;
use Carp qw(croak);
use List::Util qw(first);
use Time::Moment;
my $LEVELS = {
error => 1,
warn => 2,
info => 3,
debug => 4,
trace => 5
};
sub new {
my $class = shift;
my (%params) = @_;
my $self = {};
bless $self, $class;
$self->{'file'} = $params{'file'};
$self->{'level'} = $params{'level'} || 'error';
return $self;
}
sub set_level {
my $self = shift;
my ($new_level) = @_;
croak('Unknown log level')
unless first { $new_level eq $_ } keys %$LEVELS;
$self->{'level'} = $new_level;
return;
}
sub level {
my $self = shift;
return $self->{level} || 'error';
}
sub info { return shift->_log( 'info', @_ ) }
sub error { return shift->_log( 'error', @_ ) }
sub warn { return shift->_log( 'warn', @_ ) }
sub debug { return shift->_log( 'debug', @_ ) }
sub trace { return shift->_log( 'trace', @_ ) }
sub _log {
my $self = shift;
my ( $level, $message ) = @_;
return if $LEVELS->{$level} > $LEVELS->{ $self->{'level'} };
my $time = Time::Moment->now->strftime('%Y-%m-%d %T%3f');
my $text = sprintf("%s [%s] %s\n", $time, $level, $message);
$self->_print($text);
return;
}
sub _print { croak 'Not implemented!' }
1;