Mojo::Log(3p)

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 isn't this 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 can emit the following events.

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

Emitted when a new message gets logged.

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

ATTRIBUTES
Mojo::Log implements the following attributes.

  "handle"
  my $handle = $log->handle;
  $log       = $log->handle(IO::File->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 $message = $log->format('debug', 'Hi there!');
  my $message = $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>.