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1 | package Catalyst::IOC::ConstructorInjection; |
2 | use Moose; |
3 | extends 'Bread::Board::ConstructorInjection'; |
4 | |
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5 | with 'Bread::Board::Service::WithClass', |
6 | 'Bread::Board::Service::WithDependencies', |
7 | 'Bread::Board::Service::WithParameters', |
8 | 'Catalyst::IOC::Service::WithAcceptContext'; |
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9 | |
10 | sub _build_constructor_name { 'COMPONENT' } |
11 | |
12 | sub get { |
13 | my $self = shift; |
14 | |
15 | my $constructor = $self->constructor_name; |
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16 | my $component = $self->class; |
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17 | my $params = $self->params; |
18 | my $config = $params->{config}->{ $self->param('suffix') } || {}; |
19 | my $app_name = $params->{application_name}; |
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20 | |
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21 | unless ( $component->can( $constructor ) ) { |
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22 | # FIXME - make some deprecation warnings |
23 | return $component; |
24 | } |
25 | |
26 | # Stash catalyst_component_name in the config here, so that custom COMPONENT |
27 | # methods also pass it. local to avoid pointlessly shitting in config |
28 | # for the debug screen, as $component is already the key name. |
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29 | local $config->{catalyst_component_name} = $component; |
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30 | |
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31 | my $instance = eval { $component->$constructor( $app_name, $config ) }; |
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32 | |
33 | if ( my $error = $@ ) { |
34 | chomp $error; |
35 | Catalyst::Exception->throw( |
36 | message => qq/Couldn't instantiate component "$component", "$error"/ |
37 | ); |
38 | } |
39 | elsif (!blessed $instance) { |
40 | my $metaclass = Moose::Util::find_meta($component); |
41 | my $method_meta = $metaclass->find_method_by_name('COMPONENT'); |
42 | my $component_method_from = $method_meta->associated_metaclass->name; |
43 | my $value = defined($instance) ? $instance : 'undef'; |
44 | Catalyst::Exception->throw( |
45 | message => |
46 | qq/Couldn't instantiate component "$component", COMPONENT() method (from $component_method_from) didn't return an object-like value (value was $value)./ |
47 | ); |
48 | } |
49 | |
50 | return $instance; |
51 | } |
52 | |
53 | __PACKAGE__->meta->make_immutable; |
54 | |
55 | no Moose; 1; |
56 | |
57 | __END__ |
58 | |
59 | =pod |
60 | |
61 | =head1 NAME |
62 | |
63 | Catalyst::IOC::BlockInjection |
64 | |
65 | =head1 AUTHORS |
66 | |
67 | Catalyst Contributors, see Catalyst.pm |
68 | |
69 | =head1 COPYRIGHT |
70 | |
71 | This library is free software. You can redistribute it and/or modify it under |
72 | the same terms as Perl itself. |
73 | |
74 | =cut |