pub/Impl: Lib/IMPL/Web/Application/Resource.pm annotate

annotate Lib/IMPL/Web/Application/Resource.pm @ 247:2270de2469ff

sync

author	sergey
date	Wed, 31 Oct 2012 04:18:35 +0400
parents	7c517134c42f
children	814d755e5d12

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
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	4 use IMPL::Const qw(:prop);
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	5 use IMPL::declare {
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	6 require => {
244 a02b110da931 refactoring sergey parents: 230 diff changeset	7 ViewResult => 'IMPL::Web::ViewResult',
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	8 Exception => 'IMPL::Exception',
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	9 ArgumentException => '-IMPL::InvalidArgumentException',
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	10 OperationException => '-IMPL::InvalidOperationException',
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	11 NotAllowedException => 'IMPL::Web::NotAllowedException',
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	12 NotFoundException => 'IMPL::Web::NotFoundException'
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	13 },
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	14 base => [
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	15 'IMPL::Object' => undef,
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	16 'IMPL::Web::Application::ResourceInterface' => undef
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	17 ],
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	18 props => [
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	19 parent => PROP_GET \| PROP_OWNERSET,
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	20 model => PROP_GET \| PROP_OWNERSET,
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	21 id => PROP_GET \| PROP_OWNERSET,
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	22 contract => PROP_GET \| PROP_OWNERSET,
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	23 location => PROP_GET \| PROP_OWNERSET
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	24 ]
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	25 };
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	26
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	27 sub CTOR {
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	28 my ( $this, %args ) = @_;
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 die ArgumentException->new( id => 'A resource identifier is required' )
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	31 unless $args{id};
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	32 die ArgumentException->new( contract => 'A contract is required' )
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	33 unless $args{id};
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	34
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	35 $this->parent( $args{parent} );
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	36 $this->model( $args{model} );
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	37 $this->id( $args{id} );
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	38 $this->contract( $args{contract} );
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	39
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	40 # если расположение явно не указано, то оно вычисляется автоматически,
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	41 # либо остается не заданным
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	42 $this->location( $args{location} \|\| eval { $this->parent->location->Child( $this->id ) } );
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	43 }
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	44
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	45 sub InvokeHttpVerb {
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	46 my ( $this, $verb, $action ) = @_;
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	47
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	48 my $operation = $this->contract->verbs->{ lc($verb) };
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	49
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	50 die NotAllowedException->new(
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	51 allow => join( ',', map( uc, keys %{ $this->contract->verbs } ) )
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	52 )
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	53 unless $operation;
245 7c517134c42f Added Unsupported media type Web exception sergey parents: 244 diff changeset	54
7c517134c42f Added Unsupported media type Web exception sergey parents: 244 diff changeset	55 # в случае, когда один ресурс вызывает HTTP метод другого ресурса, нужно
7c517134c42f Added Unsupported media type Web exception sergey parents: 244 diff changeset	56 # сохранить оригинальный resourceLocation
7c517134c42f Added Unsupported media type Web exception sergey parents: 244 diff changeset	57 $action->context->{resourceLocation} \|\|= $this->location;
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	58
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	59 return $operation->Invoke( $this, $action );
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	60 }
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	61
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	62 # это реализация по умолчанию, базируется информации о ресурсах, содержащийся
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	63 # в контракте.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	64 sub FetchChildResource {
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	65 my ( $this, $childId ) = @_;
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	66
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	67 my ($info,$childIdParts) = $this->contract->FindChildResourceInfo($childId);
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	68
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	69 die NotFoundException->new($this->location->url,$childId) unless $info;
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	70
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	71 my $binding = $info->{binding};
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	72 my $contract = $info->{contract}
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	73 or die OperationException->new("Can't fetch a contract for the resource", $childId);
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	74
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	75 my %args = (
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	76 parent => $this,
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	77 id => $childId
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	78 );
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	79
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	80 $args{model} = _InvokeDelegate($binding,$this,@$childIdParts);
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	81
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	82 return $contract->CreateResource(%args);
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	83 }
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	84
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	85 sub _InvokeDelegate {
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	86 my $delegate = shift;
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	87
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	88 return $delegate->(@_) if ref $delegate eq 'CODE';
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	89 return $delegate->Invoke(@_) if eval { $delegate->can('Invoke')};
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	90 }
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	91
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	92 1;
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	93
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	94 __END__
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	95
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	96 =pod
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	97
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	98 =head1 NAME
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	99
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	100 C<IMPL::Web::Application::Resource> - Web-ресурс.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	101
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	102 =head1 SYNOPSIS
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	103
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	104 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	105 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	106 метода.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	107
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	108 Экземпляры данного класса передаются в качестве параметров делегатам
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	109 осуществляющим привязку к модели в C<IMPL::Web::Application::ResourceContract>
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	110 и C<IMPL::Web::Application::OperationContract>.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	111
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	112 =head1 DESCRIPTION
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	113
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	114 Весь функционал ресурса, поддерживаемые им C<HTTP> методы определяются
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	115 контрактом. Однако можно реализовывать ресурсы, которые не имеют контракта
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	116 или он отличается от того, что предоставляется стандартно
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	117 C<IMPL::Web::Application::ResourceContract>.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	118
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	119 Каждый ресурс является контейнером, тоесть позволяет получить дочерний ресурс
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	120 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	121 ресурсов на самом деле рассматривается как пустой контейнер.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	122
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	123 С ресурсом непосредственно взаимодействует котроллер запросов
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	124 C<IMPL::Web::Handler::RestController>, вызывая два метода.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	125
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	126 =over
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	127
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	128 =item * C<FetchChildResource($childId)>
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	129
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	130 Данный метод возвращает дочерний ресурс, соответствующий C<$childId>.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	131 Текущая реализация использует метод C<FindChildResourceInfo> контракта текущего
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	132 ресурса, после чего создает дочерний ресурс.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	133
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	134 Если дочерний ресурс не найден, вызывается исключение
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	135 C<IMPL::Web::NotFoundException>.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	136
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	137 =item * C<InvokeHttpVerb($verb,$action)>
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	138
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	139 Обрабатывает запрос к ресурсу. Для этого используется контракт ресурса, в
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	140 нем выбирается соответсвующий C<IMPL::Web::Application::OperationContract>.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	141 Затем найденный контракт для указанной операции используется для обработки
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	142 запроса.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	143
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	144 =back
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	145
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	146 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	147 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	148 собственный класс ресурса, например унаследованный от
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	149 C<IMPL::Web::Application::CustomResource>.
47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	150
230 6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	151 =head1 MEMBERS
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	152
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	153 =head2 C<[get]contract>
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	154
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	155 Обязательное свойство для ресурса, ссылается, на контракт, соотсетствующий
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	156 данному ресурсу, используется для выполнения C<HTTP> методов и получения
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	157 дочерних ресурсов.
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	158
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	159 =head2 C<[get]id>
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	160
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	161 Обязательное свойство ресурса, идентифицирует его в родительском контейнере,
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	162 для корневого ресурса может иметь произвольное значение.
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	163
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	164 =head2 C<[get]parent>
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	165
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	166 Ссылка на родительский ресурс, для корневого ресурса не определена.
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	167
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	168 =head2 C<[get]model>
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	169
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	170 Ссылка на объект предметной области, представляемый данным ресурсом. Данное
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	171 свойство не является обязательным и может быть не задано.
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	172
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	173 =head2 C<[get]location>
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	174
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	175 Объект типа C<IMPL::Web::AutoLocator> или аналогичный описывающий адрес текущего
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	176 ресурса, может быть как явно передан при создании ресурса, так и вычислен
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	177 автоматически (только для ресурсов имеющих родителя). Следует заметить, что
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	178 адрес ресурса не содержит параметров запроса, а только путь.
6d8092d8ce1b reworked IMPL::Security sergey* parents: 229 diff changeset	179
229 47f77e6409f7 heavily reworked the resource model of the web application: sergey parents: diff changeset	180 =cut

Mercurial > pub > Impl

annotate Lib/IMPL/Web/Application/Resource.pm @ 247:2270de2469ff