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annotate Lib/IMPL/Web/Application/CustomResourceContract.pm @ 331:2ff1726c066c

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removed operation contract (due it's useless)
author cin
date Wed, 05 Jun 2013 18:21:11 +0400
parents fe725fad2d90
children
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1 package IMPL::Web::Application::CustomResourceContract;
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2 use strict;
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3
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4 use IMPL::Const qw(:prop);
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5 use IMPL::declare {
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6 require => {
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7 NotAllowedException => 'IMPL::Web::NotAllowedException'
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8 },
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9 base => [
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10 'IMPL::Web::Application::ResourceContract' => '@_'
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11 ]
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12 };
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13
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14 our %RESOURCE_BINDINGS = (
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15 GET => 'HttpGet',
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16 POST => 'HttpPost',
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17 PUT => 'HttpPut',
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18 DELETE => 'HttpDelete',
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19 HEAD => 'HttpHead'
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20 );
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21
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22 sub CTOR {
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23 my ($this) = @_;
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24
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25 $this->verbs->{options} ||= \&_HttpOptionsBinding;
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26
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27 while(my ($verb,$methodName) = each %RESOURCE_BINDINGS) {
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28 $this->verbs->{lc($verb)} ||= sub {
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29 my ($resource,$action) = @_;
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30
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31 if (eval { $resource->can($methodName) }) {
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32 return $resource->$methodName($action);
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33 } else {
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34 die NotAllowedException->new(allow => join(',', _GetAllowedHttpMethods($resource)));
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35 }
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36 }
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37 }
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38 }
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39
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40 sub _HttpOptionsBinding {
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41 my ($resource) = @_;
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42
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43 my @allow = _GetAllowedHttpMethods($resource);
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44 retrun HttpResponse->new(
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45 status => '200 OK',
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46 headers => {
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47 allow => join ( ',', @allow )
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48 }
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49 );
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50 }
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51
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52 sub _GetAllowedHttpMethods {
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53 my ($resource) = @_;
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54 return grep $resource->can($RESOURCE_BINDINGS{$_}), keys %RESOURCE_BINDINGS;
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55 }
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56
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57 1;
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58
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59 __END__
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60
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61 =pod
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62
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63 =head1 NAME
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64
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65 C<IMPL::Web::Application::CustomResourceContract> - контракт для веб-ресурсов,
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66 реальзуемых в коде см. C<IMPL::Web::Application::CustomResource}>.
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67
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68 =head1 DESCRIPTION
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69
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70 Данный класс не используется напрямую.
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71
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72 =cut