NAME
MojoX::Log::Dispatch - Log::Dispatch For Mojo
VERSION
Version 0.05
SYNOPSIS
use MojoX::Log::Dispatch;
# Create a Log::Dispatch whith logging object that will log to STDERR by default or to file if exists attribute C<path>
my $log = MojoX::Log::Dispatch->new();
$log->add(Log::Dispatch::File->new(name => 'file1',
min_level => $self->level,
filename => 'logfile'
));
#Add some exotic loggers
$log->add(Log::Dispatch::Twitter->new( username => "foo",
password => "bar",
min_level => "critical",
name => "twitter",
));
#and now as in Mojo::Log
$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!");
$log->emergency("Boom! Boom!");
$log->alert("Hello!");
$log->critical("This might be a BIG problem");
$log->warning("This might be a problem");#=warn
$log->notice("it happened again");
#OR:
$log->log('debug' => 'This should work');
DESCRIPTION
MojoX::Log::Dispatch wrapper around Log::Dispatch module. Log::Dispatch manages a set of Log::Dispatch::* objects, allowing you to add and remove output objects as desired.
Include log statements at various levels throughout your code. Then when you create the new logging object, set the minimum log level you want to keep track off. Set it low, to 'debug' for development, then higher in production.
ATTRIBUTES
handle
my $handle = $log->handle;
Returns a Log::Dispatch object for logging if called without arguments. Returns the invocant if called with arguments.
level
my $level = $log->level;
$log = $log->level('debug');
Returns the minimum logging level if called without arguments. Returns the invocant if called with arguments. Valid value are: debug, info, warn, error and fatal.
callbacks
$log->callbacks( callbacks( \& or [ \&, \&, ... ] ) );
See Log::Dispatch->new for details
remove_default_log_obj
default 1
$log->remove_default_log_obj;
If true remove default log objects when C<add> new Log::Dispatch::* object
METHODS
new
Returns a new MojoX::Log::Dispatch object. This method takes one optional parameter (for Log::Dispatch->new):
add
add( Log::Dispatch::* OBJECT )
example:
$log->add(Log::Dispatch::Syslog->new( name => 'mysyslog1', min_level => 'info', facility => 'local0' ));
Adds a new a Log::Dispatch::* object to the dispatcher. If an object of the same name already exists, then that object is replaced. A warning will be issued if the $^W
is true.
NOTE: This method can really take any object that has methods called 'name' and 'log'.
log
Like in C<Mojo::Log> (not as Log::Dispatch)
$log = $log->log(log_level_name => $ or & )
EXAMPLE
$log = $log->log('debug' => 'This should work');
$log = $log->log('alert' => 'hello');
OR
$log = $log->log('critical' => \&);
Sends the message (at the appropriate level) to all the Log::Dispatch::* objects that the dispatcher contains (by calling the log_to
method repeatedly).
This method also accepts a subroutine reference as the message argument. This reference will be called only if there is an output that will accept a message of the specified level.
log_to
log_to( name => $, level => $, message => $ )
Sends the message only to the named object.
would_log
would_log( $string )
Given a log level, returns true or false to indicate whether or not anything would be logged for that log level.
level_is_valid
level_is_valid( $string )
Returns true or false to indicate whether or not the given string is a valid log level. Can be called as either a class or object method.
remove
remove('logname')
Removes the object that matches the name given to the remove method. The return value is the object being removed or undef if no object matched this.
log_and_die
log_and_die( level => $, message => $ or \& ) Has the same behavior as calling log()
but calls _die_with_message()
at the end.
log_and_croak
log_and_croak( level => $, message => $ or \& )
This method adjusts the $Carp::CarpLevel
scalar so that the croak comes from the context in which it is called.
_die_with_message
_die_with_message( message => $, carp_level => $ )
This method is used by log_and_die
and will either die() or croak() depending on the value of message
: if it's a reference or it ends with a new line then a plain die will be used, otherwise it will croak.
You can throw exception objects by subclassing this method.
If the carp_level
parameter is present its value will be added to the current value of $Carp::CarpLevel
.
output
output( $name )
Returns an output of the given name. Returns undef or an empty list, depending on context, if the given output does not exist.
dispatcher
Returns a Log::Dispatch object
MojoX::Log::Dispatch inherits all methods from Mojo::Log and implements the following new ones.
debug
$log = $log->debug('You screwed up, but thats ok');
error
$log = $log->error('You really screwed up this time');
err
$log = $log->err('You really screwed up this time');
fatal
$log = $log->fatal('Its over...');
info
$log = $log->info('You are bad, but you prolly know already');
warn
$log = $log->warn('Dont do that Dave...');
emergency
$log = $log->emergency("Boom! Boom!");;
emerg
$log = $log->emerg("Boom! Boom!");;
alert
$log = $log->alert("Hello!");;
critical
$log = $log->critical("This might be a BIG problem");
crit
$log = $log->crit("This might be a BIG problem");
warning
$log = $log->warning("This might be a problem");
warn
$log = $log->warn("This might be a problem");
notice
$log = $log->notice('it happened again');
is_level
my $is = $log->is_level('debug');
Returns true if the current logging level is at or above this level.
is_debug
my $is = $log->is_debug;
Returns true if the current logging level is at or above this level.
is_error
my $is = $log->is_error;
Returns true if the current logging level is at or above this level.
is_fatal
my $is = $log->is_fatal;
Returns true if the current logging level is at or above this level.
is_info
my $is = $log->is_info;
Returns true if the current logging level is at or above this level.
is_notice
my $is = $log->is_notice;
Returns true if the current logging level is at or above this level.
is_warn
my $is = $log->is_warn;
Returns true if the current logging level is at or above this level.
is_emergency
my $is = $log->is_emergency;
Returns true if the current logging level is at or above this level.
is_emerg
my $is = $log->is_emerg;
Returns true if the current logging level is at or above this level.
is_alert
my $is = $log->is_alert;
Returns true if the current logging level is at or above this level.
is_critical
my $is = $log->is_critical;
Returns true if the current logging level is at or above this level.
is_warning
my $is = $log->is_warning;
Returns true if the current logging level is at or above this level.
is_err
my $is = $log->is_err;
Returns true if the current logging level is at or above this level.
is_crit
my $is = $log->is_crit;
Returns true if the current logging level is at or above this level.
is_emerg
my $is = $log->is_emerg;
Returns true if the current logging level is at or above this level.
Log Levels
The log levels that Log::Dispatch (and MojoX::Log::Dispatch) uses are taken directly from the syslog man pages (except that I expanded them to full words). Valid levels are:
- debug
- info
- notice
- warning (=warn for Mojo::Log compatibility )
- error
- critical
- alert
- emergency (=fatal for Mojo::Log compatibility )
The syslog standard of 'err', 'crit', and 'emerg' is also acceptable.
See Also
Log::Dispatch Log::Dispatch::ApacheLog, Log::Dispatch::Email, Log::Dispatch::Email::MailSend, Log::Dispatch::Email::MailSender, Log::Dispatch::Email::MailSendmail, Log::Dispatch::Email::MIMELite, Log::Dispatch::File, Log::Dispatch::File::Locked, Log::Dispatch::Handle, Log::Dispatch::Output, Log::Dispatch::Screen, Log::Dispatch::Syslog
and more othe Log::Dispatch::* modules http://search.cpan.org/search?m=dist&q=Log%3A%3ADispatch
AUTHOR
Konstantin Kapitanov, <perlovik at gmail.com>
BUGS
Please report any bugs or feature requests to bug-mojox-log-dispatch at rt.cpan.org
, or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=MojoX-Log-Dispatch. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
SUPPORT
You can find documentation for this module with the perldoc command.
perldoc MojoX::Log::Dispatch
You can also look for information at:
RT: CPAN's request tracker
AnnoCPAN: Annotated CPAN documentation
CPAN Ratings
Search CPAN
ACKNOWLEDGEMENTS
COPYRIGHT & LICENSE
Copyright 2009 Konstantin Kapitanov, all rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.