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1 | package Catalyst::ScriptRole; |
2 | use Moose::Role; |
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3 | use Plack::Runner; |
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4 | use MooseX::Types::Moose qw/Str Bool/; |
5 | use Pod::Usage; |
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6 | use MooseX::Getopt; |
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7 | use namespace::autoclean; |
8 | |
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9 | with 'MooseX::Getopt' => { |
10 | excludes => [qw/ |
11 | _getopt_spec_warnings |
12 | _getopt_spec_exception |
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13 | _getopt_full_usage |
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14 | /], |
15 | }; |
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16 | |
17 | has application_name => ( |
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18 | traits => ['NoGetopt'], |
19 | isa => Str, |
20 | is => 'ro', |
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21 | required => 1, |
22 | ); |
23 | |
24 | has help => ( |
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25 | traits => ['Getopt'], |
26 | isa => Bool, |
27 | is => 'ro', |
28 | documentation => 'Display this help and exit', |
29 | cmd_aliases => ['?', 'h'], |
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30 | ); |
31 | |
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32 | sub _getopt_spec_exception {} |
33 | |
34 | sub _getopt_spec_warnings { |
35 | shift; |
36 | warn @_; |
37 | } |
38 | |
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39 | sub _getopt_full_usage { |
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40 | my $self = shift; |
41 | pod2usage(); |
42 | exit 0; |
43 | } |
44 | |
45 | before run => sub { |
46 | my $self = shift; |
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47 | $self->_getopt_full_usage if $self->help; |
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48 | }; |
49 | |
50 | sub run { |
51 | my $self = shift; |
52 | $self->_run_application; |
53 | } |
54 | |
55 | sub _application_args { |
56 | () |
57 | } |
58 | |
59 | sub _run_application { |
60 | my $self = shift; |
61 | my $app = $self->application_name; |
62 | Class::MOP::load_class($app); |
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63 | my $psgi_app = $app->run($self->_application_args); |
64 | Plack::Runner->run('--app' => $psgi_app); |
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65 | } |
66 | |
67 | 1; |
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68 | |
69 | =head1 NAME |
70 | |
71 | Catalyst::ScriptRole - Common functionality for Catalyst scripts. |
72 | |
73 | =head1 SYNOPSIS |
74 | |
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75 | package MyApp::Script::Foo; |
76 | use Moose; |
77 | use namespace::autoclean; |
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78 | |
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79 | with 'Catalyst::ScriptRole'; |
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80 | |
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81 | sub _application_args { ... } |
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82 | |
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83 | =head1 DESCRIPTION |
84 | |
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85 | Role with the common functionality of Catalyst scripts. |
86 | |
87 | =head1 METHODS |
88 | |
89 | =head2 run |
90 | |
91 | The method invoked to run the application. |
92 | |
93 | =head1 ATTRIBUTES |
94 | |
95 | =head2 application_name |
96 | |
97 | The name of the application class, e.g. MyApp |
98 | |
99 | =head1 SEE ALSO |
100 | |
101 | L<Catalyst> |
102 | |
103 | L<MooseX::Getopt> |
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104 | |
105 | =head1 AUTHORS |
106 | |
107 | Catalyst Contributors, see Catalyst.pm |
108 | |
109 | =head1 COPYRIGHT |
110 | |
111 | This library is free software, you can redistribute it and/or modify |
112 | it under the same terms as Perl itself. |
113 | |
114 | =cut |