NAME

Catalyst::Plugin::Observe - Observe Engine Events

SYNOPSIS

use Catalyst qw[Observe];

# register the observer method as a callback to prepare_path
MyApp->add_subscriber( 'prepare_path', \&observer );

# write callback to describe what happened
sub observer {
    my ( $c, $event, @args ) = @_;
    $c->log->info( "observed " . $event . " with arguments " . join( '\n', @args ) );
}

DESCRIPTION

Observe Engine events, for debugging purposes. Subclasses Class::Publisher.

Catalyst::Plugin::Observe allows you to register your own callbacks to specific Engine events (method calls), and to be notified through the callback when they occur. When the Engine calls the event, your callback will be called with the same arguments, which you can then display (etc.) as necessary.

CALLBACK VARIABLES

$event

The Engine event to which the callback is registered. See "OBSERVABLE EVENTS" below.

@args

The arguments passed to the Engine event.

OBSERVABLE EVENTS

dispatch

finalize

finalize_body

finalize_cookies

finalize_error

finalize_headers

forward

prepare

prepare_action

prepare_body

prepare_connection

prepare_cookies

prepare_headers

prepare_parameters

prepare_path

prepare_request

prepare_uploads

SEE ALSO

Class::Publisher, Catalyst::Dispatch, Catalyst::Engine.

AUTHOR

Christian Hansen, ch@ngmedia.com

LICENSE

This library is free software . You can redistribute it and/or modify it under the same terms as perl itself.