annotate Lib/IMPL/Web/Application/Resource.pm @ 332:04a093f0a5a6

IMPL::Web::Application refactoring: resources are created per client request
author cin
date Sun, 09 Jun 2013 21:48:57 +0400
parents fe725fad2d90
children cd6409f66a5f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
1 package IMPL::Web::Application::Resource;
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
2 use strict;
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
3
256
32aceba4ee6d corrected ViewHandlers to handle cookies and headers.
sergey
parents: 255
diff changeset
4 use URI;
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
5 use IMPL::Const qw(:prop);
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
6 use IMPL::declare {
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
7 require => {
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
8 ViewResult => 'IMPL::Web::ViewResult',
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
9 Exception => 'IMPL::Exception',
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
10 ArgumentException => '-IMPL::InvalidArgumentException',
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
11 OperationException => '-IMPL::InvalidOperationException',
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
12 NotAllowedException => 'IMPL::Web::NotAllowedException',
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
13 NotFoundException => 'IMPL::Web::NotFoundException'
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
14 },
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
15 base => [
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
16 'IMPL::Object' => undef,
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
17 'IMPL::Web::Application::ResourceInterface' => undef
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
18 ],
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
19 props => [
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
20 request => PROP_RO,
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
21 application => PROP_RO,
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
22 parent => PROP_RO,
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
23 model => PROP_RO,
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
24 id => PROP_RO,
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
25 contract => PROP_RO,
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
26 location => PROP_RO,
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
27 ]
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
28 };
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
29
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
30 sub CTOR {
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
31 my ( $this, %args ) = @_;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
32
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
33 die ArgumentException->new( id => 'A resource identifier is required' )
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
34 unless $args{id};
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
35 die ArgumentException->new( contract => 'A contract is required' )
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
36 unless $args{contract};
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
37
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
38 $this->request($args{action})
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
39 or die ArgumentException->new(request => 'A request object must be specified');
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
40 $this->parent( $args{parent} );
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
41 $this->model( $args{model} );
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
42 $this->id( $args{id} );
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
43 $this->contract( $args{contract} );
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
44 $this->application( $args{action}{application} );
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
45
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
46 # если расположение явно не указано, то оно вычисляется автоматически,
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
47 # либо остается не заданным
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
48 $this->location( $args{location}
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
49 || eval { $this->parent->location->Child( $this->id ) } );
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
50 }
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
51
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
52 sub InvokeHttpVerb {
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
53 my ( $this, $verb ) = @_;
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
54
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
55 my $operation = $this->contract->verbs->{ lc($verb) };
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
56
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
57 die NotAllowedException->new(
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
58 allow => join( ',', map( uc, keys %{ $this->contract->verbs } ) ) )
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
59 unless $operation;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
60
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
61 $this->AccessCheck($verb);
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
62 my $request = $this->request;
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
63
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
64 # в случае, когда один ресурс вызывает HTTP метод другого ресурса, нужно
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
65 # сохранить оригинальный resourceLocation
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
66 $request->context->{resourceLocation} ||= $this->location;
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
67
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
68 # это свойство специфично только для REST приложений.
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
69 # сохранение текущего ресурса не повлечет за собой существенных расходов,
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
70 # т.к. они просто освободятся несколько позже.
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
71 if ( not $request->context->{resource} ) {
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
72 $request->context->{resource} = $this;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
73 $request->context->{environment} = sub { $this->PrepareEnvironment() };
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
74 }
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
75
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
76 return _InvokeDelegate( $operation, $this, $request );
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
77 }
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
78
330
fe725fad2d90 Added access checking to web resources
sergey
parents: 285
diff changeset
79 sub AccessCheck {
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
80
330
fe725fad2d90 Added access checking to web resources
sergey
parents: 285
diff changeset
81 }
fe725fad2d90 Added access checking to web resources
sergey
parents: 285
diff changeset
82
285
546957c50a36 *IMPL::Web::Handler::TTView Reworked template selection mechanism
cin
parents: 268
diff changeset
83 sub PrepareEnvironment {
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
84 my ($this) = @_;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
85
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
86 my @stack;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
87 my $env = {};
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
88
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
89 for ( my $res = $this ; $res ; $res = $res->parent ) {
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
90 push @stack, $res if $res->can('SetupEnvironment');
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
91 }
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
92
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
93 map $_->SetupEnvironment($env), reverse @stack;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
94
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
95 return $env;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
96 }
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
97
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
98 sub FindChildResourceInfo {
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
99 my ($this,$resourceId) = @_;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
100 return $this->contract->FindChildResourceInfo($resourceId);
285
546957c50a36 *IMPL::Web::Handler::TTView Reworked template selection mechanism
cin
parents: 268
diff changeset
101 }
546957c50a36 *IMPL::Web::Handler::TTView Reworked template selection mechanism
cin
parents: 268
diff changeset
102
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
103 # это реализация по умолчанию, базируется информации о ресурсах, содержащийся
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
104 # в контракте.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
105 sub FetchChildResource {
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
106 my ( $this, $childId ) = @_;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
107
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
108 $this->AccessCheck('FETCH');
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
109
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
110 my ( $info, $childIdParts ) =
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
111 $this->FindChildResourceInfo($childId);
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
112
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
113 die NotFoundException->new( $this->location->url, $childId ) unless $info;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
114
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
115 my %args;
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
116
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
117 my $binding = $info->{binding};
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
118 my $contract = $info->{contract};
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
119 if (ref($binding) eq 'HASH' ) {
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
120 $args{$_} = _InvokeDelegate( $binding->{$_}, $this, @$childIdParts )
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
121 foreach keys %$binding;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
122 } else {
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
123 $args{model} = _InvokeDelegate( $binding, $this, @$childIdParts );
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
124 }
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
125
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
126 if ( ref $contract eq 'CODE' || $contract->can('Invoke') ) {
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
127 $contract = _InvokeDelegate( $contract, $this, $args{model} );
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
128 $info->{contract} = $contract;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
129 }
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
130
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
131 die OperationException->new( "Can't fetch a contract for the resource",
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
132 $childId )
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
133 unless $contract;
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
134
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
135 $args{parent} = $this;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
136 $args{id} = $childId;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
137 $args{request} = $this->request;
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
138
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
139 return $contract->CreateResource(%args);
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
140 }
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
141
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
142 sub _InvokeDelegate {
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
143 my $delegate = shift;
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
144
332
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
145 return $delegate->(@_) if ref $delegate eq 'CODE';
04a093f0a5a6 IMPL::Web::Application refactoring: resources are created per client request
cin
parents: 330
diff changeset
146 return $delegate->Invoke(@_) if eval { $delegate->can('Invoke') };
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
147 }
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
148
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
149 1;
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
150
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
151 __END__
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
152
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
153 =pod
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
154
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
155 =head1 NAME
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
156
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
157 C<IMPL::Web::Application::Resource> - Web-ресурс.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
158
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
159 =head1 SYNOPSIS
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
160
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
161 Класс для внутреннего использования. Объединяет в себе контракт и модель данных.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
162 Основная задача - обработать поступающий от контроллера запрос на вызов C<HTTP>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
163 метода.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
164
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
165 Экземпляры данного класса передаются в качестве параметров делегатам
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
166 осуществляющим привязку к модели в C<IMPL::Web::Application::ResourceContract>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
167 и C<IMPL::Web::Application::OperationContract>.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
168
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
169 =head1 DESCRIPTION
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
170
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
171 Весь функционал ресурса, поддерживаемые им C<HTTP> методы определяются
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
172 контрактом. Однако можно реализовывать ресурсы, которые не имеют контракта
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
173 или он отличается от того, что предоставляется стандартно
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
174 C<IMPL::Web::Application::ResourceContract>.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
175
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
176 Каждый ресурс является контейнером, тоесть позволяет получить дочерний ресурс
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
177 по идентифифкатору, если таковой имеется, тоесть ресурс, у которого нет дочерних
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
178 ресурсов на самом деле рассматривается как пустой контейнер.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
179
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
180 С ресурсом непосредственно взаимодействует котроллер запросов
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
181 C<IMPL::Web::Handler::RestController>, вызывая два метода.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
182
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
183 =over
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
184
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
185 =item * C<FetchChildResource($childId)>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
186
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
187 Данный метод возвращает дочерний ресурс, соответствующий C<$childId>.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
188 Текущая реализация использует метод C<FindChildResourceInfo> контракта текущего
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
189 ресурса, после чего создает дочерний ресурс.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
190
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
191 Если дочерний ресурс не найден, вызывается исключение
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
192 C<IMPL::Web::NotFoundException>.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
193
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
194 =item * C<InvokeHttpVerb($verb,$action)>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
195
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
196 Обрабатывает запрос к ресурсу. Для этого используется контракт ресурса, в
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
197 нем выбирается соответсвующий C<IMPL::Web::Application::OperationContract>.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
198 Затем найденный контракт для указанной операции используется для обработки
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
199 запроса.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
200
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
201 =back
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
202
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
203 Если объект реализует два вышеуказанных метода, он является веб-ресурсом, а
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
204 детали его реализации, котнракт и прочее уже не важно, поэтому можно реализовать
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
205 собственный класс ресурса, например унаследованный от
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
206 C<IMPL::Web::Application::CustomResource>.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
207
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
208 =head1 MEMBERS
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
209
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
210 =head2 C<[get]application>
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
211
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
212 Ссылка на приложение, к которому относится данный ресурс. Его следует задавать
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
213 только для коренвых ресурсов, дочерние ресурсы получают это свойство от
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
214 родителей.
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
215
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
216 =head2 C<[get]contract>
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
217
248
814d755e5d12 Minor fixes
sergey
parents: 245
diff changeset
218 Обязательное свойство для ресурса, ссылается, на контракт, соответствующий
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
219 данному ресурсу, используется для выполнения C<HTTP> методов и получения
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
220 дочерних ресурсов.
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
221
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
222 =head2 C<[get]id>
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
223
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
224 Обязательное свойство ресурса, идентифицирует его в родительском контейнере,
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
225 для корневого ресурса может иметь произвольное значение.
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
226
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
227 =head2 C<[get]parent>
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
228
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
229 Ссылка на родительский ресурс, для корневого ресурса не определена.
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
231 =head2 C<[get]model>
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
232
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
233 Ссылка на объект предметной области, представляемый данным ресурсом. Данное
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
234 свойство не является обязательным и может быть не задано.
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
235
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
236 =head2 C<[get]location>
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
237
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
238 Объект типа C<IMPL::Web::AutoLocator> или аналогичный описывающий адрес текущего
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
239 ресурса, может быть как явно передан при создании ресурса, так и вычислен
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
240 автоматически (только для ресурсов имеющих родителя). Следует заметить, что
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
241 адрес ресурса не содержит параметров запроса, а только путь.
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
242
268
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
243 =head2 C<[get]FetchChildResource($id)>
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
244
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
245 Возвращает дочерний ресурс, по его идентификатору.
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
246
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
247 Данная реализация использует контракт текущего ресурса для поиска информации о
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
248 дочернем ресурсе C<< $this->contract->FindChildResourceInfo($id) >>.
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
249
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
250 Затем осуществляется привязка к моделе, тоесть, выполняется делегат, для
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
251 получения модели дочернего ресурса, а затем осуществляется привязка к контракту,
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
252 при этом в делегат, который должен вернуть контракт дочернего ресурса передаются
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
253 текущий ресурc и модель дочернего ресурса.
4abda21186cd *refactoring IMPL::Web: added 'application' property to resources
cin
parents: 256
diff changeset
254
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents:
diff changeset
255 =cut