NAME

Catalyst::Plugin::Observe - Observe Engine Events

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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 ) );
    }

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DESCRIPTION

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

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.

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CALLBACK VARIABLES

$event

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

@args

The arguments passed to the Engine event.

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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

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SEE ALSO

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

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AUTHOR

Christian Hansen, ch@ngmedia.com

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LICENSE

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

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