Mercurial > pub > Impl
annotate Lib/IMPL/Web/AutoLocator.pm @ 253:0a228a35645c
added application exception class
author | sergey |
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date | Mon, 19 Nov 2012 17:54:01 +0400 |
parents | a02b110da931 |
children | 32aceba4ee6d |
rev | line source |
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210 | 1 package IMPL::Web::AutoLocator; |
2 use strict; | |
3 | |
244 | 4 use overload '""' => 'toString'; |
5 | |
232 | 6 use IMPL::Const qw(:prop); |
244 | 7 use IMPL::lang qw(:hash); |
8 use IMPL::clone qw(clone); | |
210 | 9 use URI; |
10 use URI::Escape; | |
11 use IMPL::declare { | |
12 require => { | |
13 Exception => 'IMPL::Exception', | |
14 ArgumentException => '-IMPL::InvalidArgumentException' | |
15 }, | |
16 base => [ | |
17 'IMPL::Object' => undef, | |
18 'IMPL::Object::Autofill' => '@_', | |
19 'IMPL::Object::Serializable' => '@_' | |
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20 ], |
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21 props => [ |
232 | 22 base => PROP_RO, |
23 view => PROP_RW, | |
24 query => PROP_RW, | |
25 hash => PROP_RW | |
210 | 26 ] |
27 }; | |
28 | |
244 | 29 sub Clone { |
30 my $this = shift; | |
31 | |
32 return clone($this); | |
33 } | |
34 | |
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35 sub Child { |
210 | 36 my $this = shift; |
211 | 37 my $child = shift or die ArgumentException->new("a child resource identifier is required"); |
38 die ArgumentException->new("a child resource can't be a reference") if ref $child; | |
210 | 39 |
40 # safe | |
41 $child = uri_escape($child); | |
42 | |
43 my %args; | |
44 | |
45 $args{base} = $this->base =~ /\/$/ ? $this->base . $child : $this->base . '/' . $child; | |
46 $args{view} = $this->view if $this->view; | |
47 $args{hash} = $this->hash if $this->hash; | |
48 | |
49 if (@_) { | |
50 my $query = shift; | |
51 | |
52 $args{query} = ref $query eq 'HASH' ? hashMerge($this->query,$query) : $query; | |
53 } | |
54 | |
212 | 55 return $this->new(%args); |
211 | 56 } |
57 | |
58 sub SetView { | |
59 my ($this,$newView) = @_; | |
60 | |
61 $this->view($newView); | |
62 | |
63 return $this; | |
64 } | |
65 | |
66 sub url { | |
67 my ($this) = @_; | |
68 | |
69 my $url = URI->new($this->view ? $this->base . "." . $this->view : $this->base); | |
70 $url->query_form($this->query); | |
71 $url->fragment($this->hash); | |
72 | |
73 return $url; | |
74 } | |
75 | |
244 | 76 sub toString { |
77 shift->url->as_string(); | |
78 } | |
79 | |
211 | 80 sub AUTOLOAD { |
81 our $AUTOLOAD; | |
82 | |
83 (my $method) = ($AUTOLOAD =~ m/(\w+)$/); | |
84 | |
85 return if $method eq 'DESTROY'; | |
86 | |
87 my $this = shift; | |
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88 return $this->Child($method,@_); |
210 | 89 } |
90 | |
91 | |
92 | |
93 1; | |
94 | |
95 __END__ | |
96 | |
97 =head1 NAME | |
98 | |
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99 C<IMPL::Web::AutoLocator> - Обертка вокруг адреса ресурса. |
210 | 100 |
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101 =head1 SYNOPSIS |
210 | 102 |
103 =begin code | |
104 | |
105 use IMPL::require { | |
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106 Locator => 'IMPL::Web::AutoLocator' |
210 | 107 }; |
108 | |
212 | 109 my $bugTracker = Locator->new(base => "http://myhost.org/bugzilla")->SetView("cgi"); |
210 | 110 |
111 my $bug = $bugTracker->show_bug({id = 1}); | |
112 | |
212 | 113 my $wikiPages = Locator->new(base => "http://myhost.org/wiki/bin/view"); |
210 | 114 |
115 my $page = $wiki->Main->HowTo; | |
116 | |
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117 my $images = Locator->new(base => "http://static.myhost.org/images", view => "png"); |
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118 |
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119 my $editIco = $images->icons->small->edit; |
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120 |
210 | 121 =end code |
122 | |
123 =head1 DESCRIPTION | |
124 | |
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125 Для удобстав навигации по ресурсам, полностью отражает классическую структуру |
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126 иерархически организованных ресурсов. позволяет гибко работать с параметрами |
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127 запроса и хешем. Для постоты чтения реализует метод C<AUTOLOAD> для доступа |
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128 к дочерним ресурсам. |
211 | 129 |
130 =head1 MEMBERS | |
131 | |
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132 =head2 C<CTOR(%args)> |
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133 |
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134 Создает новый объект расположение. Позволяет задать путь, расширение, параметры |
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135 запроса и фрагмент ресурса. |
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136 |
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137 =over |
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138 |
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139 =item * C<base> |
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140 |
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141 Строка с базовым адресом для дочерних ресурсов. |
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142 |
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143 =item * C<view> |
211 | 144 |
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145 Задает суфикс, обозначающий представление ресурса, аналогично расширению у |
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146 файлов. Данный суффикс может использоваться контроллером для выбора |
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147 представления ресурса. |
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148 |
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149 =item * C<query> |
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150 |
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151 Ссылка на хеш с параметрами запроса |
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152 |
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153 =item * C<hash> |
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154 |
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155 Часть C<uri> обозначающая фрагмент документа (все, что идет после символа C<#>). |
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156 |
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157 =back |
211 | 158 |
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159 =head2 C<Child($child[,$query])> |
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160 |
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161 Получает расположение дочернего ресурса. При этом cоздается новый объект адреса ресурса. |
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162 |
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163 =head2 C<SetView($view)> |
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164 |
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165 Позволяет указать представление (расширение) у текущего адреса ресурса. Изменяет |
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166 представление и возвращает измененный адрес ресурса. |
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167 |
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168 =head2 C<[get]base> |
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169 |
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170 Базовый адрес, относительно которого будут получены дочерние ресурсы. |
211 | 171 |
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172 =head2 C<[get,set]view> |
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173 |
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174 Представление для ресурсов, аналогично расширению у файлов. |
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175 |
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176 =head2 C<[get,set]query> |
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177 |
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178 Ссылка на хеш с параметрами для C<GET> запроса. |
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179 |
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180 =head2 C<[get,set]hash> |
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181 |
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182 Часть адреса ресурса, отвечающая за фрагмент. |
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183 |
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184 =head2 C<[get]url> |
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185 |
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186 Объект C<URI> для текущего адреса. |
211 | 187 |
188 =head2 C<AUTLOAD> | |
189 | |
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190 Перенаправляет вызовы методов в метод C<Child> передавая первым параметром имя метода. |
212 | 191 |
192 =cut | |
193 |