annotate Lib/IMPL/Web/AutoLocator.pm @ 227:70ad6bc20908

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author sergey
date Fri, 07 Sep 2012 16:32:17 +0400
parents 292226770180
children 47f77e6409f7
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1 package IMPL::Web::AutoLocator;
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2 use strict;
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3
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4 use IMPL::lang qw(:declare :constants :hash);
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5 use URI;
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6 use URI::Escape;
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7 use IMPL::declare {
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8 require => {
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9 Exception => 'IMPL::Exception',
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10 ArgumentException => '-IMPL::InvalidArgumentException'
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11 },
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12 base => [
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13 'IMPL::Object' => undef,
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14 'IMPL::Object::Autofill' => '@_',
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15 'IMPL::Object::Serializable' => '@_'
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16 ]
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17 };
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18
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19 BEGIN {
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20 public property base => PROP_GET | PROP_OWNERSET;
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21 public property view => PROP_ALL;
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22 public property query => PROP_ALL;
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23 public property hash => PROP_ALL;
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24 }
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25
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26 sub Fetch {
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27 my $this = shift;
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28 my $child = shift or die ArgumentException->new("a child resource identifier is required");
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29 die ArgumentException->new("a child resource can't be a reference") if ref $child;
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30
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31 # safe
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32 $child = uri_escape($child);
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33
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34 my %args;
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35
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36 $args{base} = $this->base =~ /\/$/ ? $this->base . $child : $this->base . '/' . $child;
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37 $args{view} = $this->view if $this->view;
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38 $args{hash} = $this->hash if $this->hash;
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39
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40 if (@_) {
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41 my $query = shift;
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42
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43 $args{query} = ref $query eq 'HASH' ? hashMerge($this->query,$query) : $query;
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44 }
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45
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46 return $this->new(%args);
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47 }
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48
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49 sub SetView {
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50 my ($this,$newView) = @_;
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51
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52 $this->view($newView);
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53
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54 return $this;
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55 }
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56
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57 sub url {
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58 my ($this) = @_;
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59
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60 my $url = URI->new($this->view ? $this->base . "." . $this->view : $this->base);
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61 $url->query_form($this->query);
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62 $url->fragment($this->hash);
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63
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64 return $url;
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65 }
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66
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67 sub AUTOLOAD {
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68 our $AUTOLOAD;
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69
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70 (my $method) = ($AUTOLOAD =~ m/(\w+)$/);
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71
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72 return if $method eq 'DESTROY';
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73
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74 my $this = shift;
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75 return $this->Fetch($method,@_);
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76 }
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79
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80 1;
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81
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82 __END__
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83
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84 =head1 NAME
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85
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86 =head1 SYNOPSIS
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87
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88 C<IMPL::Web::AutoLocator> - Обертка вокруг адреса ресурса.
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89
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90 =begin code
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91
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92 use IMPL::require {
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93 Locator => 'IMPL::Web::Locator'
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94 };
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95
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96 my $bugTracker = Locator->new(base => "http://myhost.org/bugzilla")->SetView("cgi");
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97
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98 my $bug = $bugTracker->show_bug({id = 1});
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99
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100 my $wikiPages = Locator->new(base => "http://myhost.org/wiki/bin/view");
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101
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102 my $page = $wiki->Main->HowTo;
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103
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104 =end code
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105
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106 =head1 DESCRIPTION
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107
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108 Для удобстав навигации по ресурсам, полностью отражает классическую структуру иерархически
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109 организованных ресурсов. позволяет гибко работать с параметрами запроса и хешем. Для постоты
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110 чтения реализует метод C<AUTOLOAD> для доступа к дочерним ресурсам.
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111
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112 =head1 MEMBERS
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113
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114 =head2 C<CTOR(base => $url,view => $extension, query => $hashQuery, hash => $fragment)>
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115
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116 Создает новый объект расположение. Позволяет задать путь, расширение, параметры запроса и фрагмент ресурса.
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117
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118 =head2 C<Fetch($child[,$query])>
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119
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120 Получает расположение дочернего ресурса. При этом моздается новый объект адреса ресурса.
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121
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122 =head2 C<AUTLOAD>
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123
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124 Перенаправляет вызовы методов в метод C<Fetch> передавая первым параметром имя метода.
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125
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126 =cut
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127