X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FIOC%2FConstructorInjection.pm;h=dce5deff5fe0083d5db9b0f5990eb2476b85f3ce;hb=96c9f5d4c9cebf815970a5ea94b90ad693ebaa93;hp=711f2f23adeb1bf3f9e17a38c858d3a4676892be;hpb=b489e5dff0610863a41305ed3fa9e32230f10ba5;p=catagits%2FCatalyst-Runtime.git diff --git a/lib/Catalyst/IOC/ConstructorInjection.pm b/lib/Catalyst/IOC/ConstructorInjection.pm index 711f2f2..dce5def 100644 --- a/lib/Catalyst/IOC/ConstructorInjection.pm +++ b/lib/Catalyst/IOC/ConstructorInjection.pm @@ -1,44 +1,81 @@ package Catalyst::IOC::ConstructorInjection; use Moose; +use Bread::Board::Dependency; +use Try::Tiny; use Catalyst::Utils (); + extends 'Bread::Board::ConstructorInjection'; -with 'Bread::Board::Service::WithClass', - 'Bread::Board::Service::WithParameters', - 'Bread::Board::Service::WithDependencies', - 'Catalyst::IOC::Service::WithCOMPONENT'; +sub BUILD { + my $self = shift; + $self->add_dependency( + __catalyst_config => Bread::Board::Dependency->new( + service_path => '/config' + ) + ); +} + +has catalyst_component_name => ( + is => 'ro', +); -has config_key => ( +has config => ( + init_arg => undef, is => 'ro', - isa => 'Str', - lazy_build => 1, + isa => 'HashRef', + writer => '_set_config', + clearer => '_clear_config', ); -sub _build_config_key { - Catalyst::Utils::class2classsuffix( shift->class ); -} +around resolve_dependencies => sub { + my ($orig, $self, @args) = @_; + my %deps = $self->$orig(@args); + my $app_config = delete $deps{__catalyst_config}; + my $conf_key = Catalyst::Utils::class2classsuffix($self->catalyst_component_name); + $self->_set_config($app_config->{$conf_key} || {}); + return %deps; +}; -# FIXME - how much of this should move to ::WithCOMPONENT? sub get { my $self = shift; - - my $constructor = $self->constructor_name; my $component = $self->class; - my $params = $self->params; - my $config = $params->{config}->{ $self->config_key } || {}; - # FIXME - Is depending on the application name to pass into constructors here a good idea? - # This makes app/ctx split harder I think.. Need to think more here, but I think - # we want to pass the application in as a parameter when building the service - # rather than depending on the app name, so that later, when the app becomes an instance - # then it'll get passed in, and components can stash themselves 'per app instance' - my $app_name = $params->{application_name}; - # Stash catalyst_component_name in the config here, so that custom COMPONENT - # methods also pass it. local to avoid pointlessly shitting in config - # for the debug screen, as $component is already the key name. - local $config->{catalyst_component_name} = $component; + my $params = $self->params; + my %config = (%{ $self->config || {} }, %{ $params }); + $self->_clear_config; - return $component->$constructor( $app_name, $config ); + my $app = $self->param('catalyst_application'); + + # Stash catalyst_component_name in the config here, so that custom COMPONENT + # methods also pass it. + $config{catalyst_component_name} = $self->catalyst_component_name; + + unless ( $component->can( 'COMPONENT' ) ) { + # FIXME - make some deprecation warnings + return $component; + } + + my $instance; + try { + $instance = $component->COMPONENT( $app, \%config ); + } + catch { + Catalyst::Exception->throw( + message => qq/Couldn't instantiate component "$component", "$_"/ + ); + }; + + return $instance + if blessed $instance; + + my $metaclass = Moose::Util::find_meta($component); + my $method_meta = $metaclass->find_method_by_name('COMPONENT'); + my $component_method_from = $method_meta->associated_metaclass->name; + my $value = defined($instance) ? $instance : 'undef'; + Catalyst::Exception->throw( + message => + qq/Couldn't instantiate component "$component", COMPONENT method (from $component_method_from) didn't return an object-like value (value was $value)./ + ); } __PACKAGE__->meta->make_immutable;