1 package Catalyst::IOC::ConstructorInjection;
4 use Catalyst::Utils ();
5 extends 'Bread::Board::ConstructorInjection';
7 with 'Bread::Board::Service::WithClass',
8 'Bread::Board::Service::WithParameters',
9 'Bread::Board::Service::WithDependencies';
17 sub _build_config_key { Catalyst::Utils::class2classsuffix( shift->class ) }
19 sub _build_constructor_name { 'COMPONENT' }
26 my $constructor = $self->constructor_name;
27 my $component = $self->class;
28 my $config = $self->param('config')->{ $self->config_key } || {};
29 # FIXME - Is depending on the application name to pass into constructors here a good idea?
30 # This makes app/ctx split harder I think.. Need to think more here, but I think
31 # we want to pass the application in as a parameter when building the service
32 # rather than depending on the app name, so that later, when the app becomes an instance
33 # then it'll get passed in, and components can stash themselves 'per app instance'
34 my $app_name = $self->param('application_name');
36 # Stash catalyst_component_name in the config here, so that custom COMPONENT
37 # methods also pass it. local to avoid pointlessly shitting in config
38 # for the debug screen, as $component is already the key name.
39 local $config->{catalyst_component_name} = $component;
41 unless ( $component->can( $constructor ) ) {
42 # FIXME - make some deprecation warnings
47 $instance = $component->$constructor( $app_name, $config );
50 Catalyst::Exception->throw(
51 message => qq/Couldn't instantiate component "$component", "$_"/
58 my $metaclass = Moose::Util::find_meta($component);
59 my $method_meta = $metaclass->find_method_by_name($constructor);
60 my $component_method_from = $method_meta->associated_metaclass->name;
61 my $value = defined($instance) ? $instance : 'undef';
62 Catalyst::Exception->throw(
64 qq/Couldn't instantiate component "$component", $constructor() method (from $component_method_from) didn't return an object-like value (value was $value)./
68 __PACKAGE__->meta->make_immutable;
78 Catalyst::IOC::ConstructorInjection
86 Catalyst Contributors, see Catalyst.pm
90 This library is free software. You can redistribute it and/or modify it under
91 the same terms as Perl itself.