NAME

Mojo::Log - Simple logger

SYNOPSIS

use Mojo::Log;

# Log to STDERR
my $log = Mojo::Log->new;

# Customize log file location and minimum log level
my $log = Mojo::Log->new(path => '/var/log/mojo.log', level => 'warn');

# Log messages
$log->debug('Why is this not working?');
$log->info('FYI: it happened again.');
$log->warn('This might be a problem.');
$log->error('Garden variety error.');
$log->fatal('Boom!');

DESCRIPTION

Mojo::Log is a simple logger for Mojo projects.

EVENTS

Mojo::Log inherits all events from Mojo::EventEmitter and can emit the following new ones.

message

$log->on(message => sub {
  my ($log, $level, @lines) = @_;
  ...
});

Emitted when a new message gets logged.

$log->unsubscribe('message');
$log->on(message => sub {
  my ($log, $level, @lines) = @_;
  say "$level: ", @lines;
});

ATTRIBUTES

Mojo::Log implements the following attributes.

handle

my $handle = $log->handle;
$log       = $log->handle(IO::Handle->new);

Log file handle used by default message event, defaults to opening path or STDERR.

level

my $level = $log->level;
$log      = $log->level('debug');

Active log level, defaults to the value of the MOJO_LOG_LEVEL environment variable or debug.

These levels are currently available:

debug
info
warn
error
fatal

path

my $path = $log->path
$log     = $log->path('/var/log/mojo.log');

Log file path used by handle.

METHODS

Mojo::Log inherits all methods from Mojo::EventEmitter and implements the following new ones.

new

my $log = Mojo::Log->new;

Construct a new Mojo::Log object and subscribe to message event with default logger.

debug

$log = $log->debug('You screwed up, but that is ok');

Log debug message.

error

$log = $log->error('You really screwed up this time');

Log error message.

fatal

$log = $log->fatal('Its over...');

Log fatal message.

format

my $msg = $log->format('debug', 'Hi there!');
my $msg = $log->format('debug', 'Hi', 'there!');

Format log message.

info

$log = $log->info('You are bad, but you prolly know already');

Log info message.

is_level

my $success = $log->is_level('debug');

Check log level.

is_debug

my $success = $log->is_debug;

Check for debug log level.

is_error

my $success = $log->is_error;

Check for error log level.

is_fatal

my $success = $log->is_fatal;

Check for fatal log level.

is_info

my $success = $log->is_info;

Check for info log level.

is_warn

my $success = $log->is_warn;

Check for warn log level.

log

$log = $log->log(debug => 'This should work');

Emit message event.

warn

$log = $log->warn('Dont do that Dave...');

Log warn message.

SEE ALSO

Mojolicious, Mojolicious::Guides, http://mojolicio.us.