annotate Lib/IMPL/Web/QueryHandler/PageFormat.pm @ 160:3f09584bf189

Corrected web application modules
author wizard
date Mon, 27 Dec 2010 19:41:36 +0300
parents 8638dd1374bf
children 39c8788eded5
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1 package IMPL::Web::QueryHandler::PageFormat;
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2 use base qw(IMPL::Web::QueryHandler IMPL::Object::Autofill);
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3 use strict;
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4
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5 __PACKAGE__->PassThroughArgs;
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6
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7 use JSON;
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8 use IMPL::Class::Property;
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9 use IMPL::Web::TT::Document;
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10 use Template::Plugin::URL;
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11 use IMPL::Security::Context;
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12 use File::Spec;
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13 use HTML::TreeBuilder;
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14 use URI;
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15 use Error qw(:try);
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16
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17 $Template::Plugin::URL::JOINT = '&';
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18
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19 BEGIN {
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20 public property templatesCharset => prop_all;
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21 public property templatesBase => prop_all;
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22 public property includes => prop_all | prop_list;
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23 public property defaultTarget => prop_all;
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24 public property pathinfoPrefix => prop_all;
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25 public property cache => prop_all;
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26 public property preprocess => prop_all;
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27 public property formatOutput => prop_all;
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28 public property template => prop_all;
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29 }
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30
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31 sub CTOR {
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32 my ($this) = @_;
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33
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34 $this->templatesCharset('utf-8') unless $this->templatesCharset;
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35 $this->cache(File::Spec->rel2abs($this->cache)) if $this->cache;
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36 $this->templatesBase(File::Spec->rel2abs($this->templatesBase)) if $this->templatesBase;
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37 }
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38
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39 sub Process {
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40 my ($this,$action,$nextHandler) = @_;
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41
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42 my $doc = new IMPL::Web::TT::Document(cache => $this->cache, preprocess => $this->preprocess);
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43
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44 try {
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45
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46 $this->templatesBase($ENV{DOCUMENT_ROOT}) unless $this->templatesBase;
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47
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48 my ($requestUri) = split /\?/, $ENV{REQUEST_URI};
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49
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50 my $pathInfo;
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51
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52 if ( $requestUri eq $ENV{SCRIPT_NAME}.$ENV{PATH_INFO} ) {
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53 # CGI with path info
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54 $pathInfo = $ENV{PATH_INFO};
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55 } else {
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56 die "REQUEST_URI: $requestUri\nPATH_INFO: $ENV{PATH_INFO}" unless $requestUri eq $ENV{PATH_INFO};
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57 }
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58
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59 my @root = ('');
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60 my @base;
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61
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62 if (my $rx = $this->pathinfoPrefix) {
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63 $requestUri =~ s/^($rx)//;
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64 push @root, grep $_, split /\//, $1 if $1;
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65 }
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66
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67 $pathInfo = $requestUri unless defined $pathInfo;
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68
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69 @base = grep $_, split /\//, ($pathInfo ? substr $requestUri,0, -length($pathInfo) : $requestUri);
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70
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71 local $ENV{PATH_INFO} = $pathInfo || $this->defaultTarget;
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73 my @path = grep $_, split /\//, ($ENV{PATH_INFO} || '') or die new IMPL::Exception("PATH_INFO is empty and no defaultTarget specified" );
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75 my @pathContainer = @path;
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76 pop @pathContainer;
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77
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78 $doc->LoadFile (
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79 ($this->template || File::Spec->catfile($this->templatesBase,@path)),
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80 $this->templatesCharset,
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81 [$this->templatesBase, $this->includes],
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82 {
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83 result => scalar($nextHandler->()),
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84 action => $action,
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85 app => $action->application,
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86
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87 absoluteUrl => sub { new URI(join ('/', @root, $_[0]) ) },
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88 baseUrl => sub { new URI (join ('/', @root, @base, $_[0]) ) },
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89 relativeUrl => sub { new URI(join ('/', @root, @base, @pathContainer,$_[0]) ) },
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90
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91 user => IMPL::Security::Context->current->principal,
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92 session => IMPL::Security::Context->current,
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93
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94 to_json => \&to_json,
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95 escape_string => sub { $_[0] =~ s/"/"/g; $_[0] },
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96 }
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97 );
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98
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99 $action->response->contentType('text/html');
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100 my $hOut = $action->response->streamBody;
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101 if ($this->formatOutput == 1) {
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102 my $tree = new HTML::TreeBuilder();
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103 try {
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104 $tree->parse_content($doc->Render());
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105 print $hOut $tree->as_HTML('<>&'," ",{});
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106 } finally {
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107 $tree->delete;
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108 };
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109 } elsif ($this->formatOutput() == 2 ) {
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110 (my $data = $doc->Render()) =~ s/\s+/ /g;
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111 print $hOut $data;
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112 } else {
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113 print $hOut $doc->Render();
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114 }
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115 } finally {
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116 $doc->Dispose;
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117 };
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118 }
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119
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120 sub URI::_query::new_params {
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121 my ($this,$params) = @_;
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122
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123 my $clone = $this->clone;
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124 if (ref $params eq 'HASH' ) {
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125 my %newParams = ($clone->query_form , %$params);
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126 $clone->query_form(map { $_, $newParams{$_} } sort keys %newParams );
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127 }
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128 return $clone;
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129 }
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130
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131 1;
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132
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133 __END__
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134
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135 =pod
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136
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137 =head1 NAME
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138
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139 C<IMPL::Web::QueryHandler::PageFormat> - Выдача результатов в виде HTML страницы, построенной из шаблона.
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140
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141 =head1 SYNOPSIS
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142
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143 В файле конфигурации приложения
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144
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145 =begin code xml
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146
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147 <handlersQuery type="IMPL::Object::List">
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148 <item type="IMPL::Web::QueryHandler::PageFormat">
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149 <charsetTemplates>utf-8</charsetTemplates>
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150 </item>
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151 </handlersQuery>
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152
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153 =end code xml
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154
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155 Программно
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156
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157 =begin code
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158
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159 my $app = new IMPL::Web::Application();
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160 $app->handlersQuery->Add(
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161 new IMPL::Web::QueryHandler::PageFormat( charsetTemplates=> 'utf-8' );
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162 );
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163
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164 =end
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165
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166 =head1 DESCRIPTION
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167
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168 Обработчик запроса для веб приложения. Загружает шаблон, путь к котрому берется
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169 из C<ENV{PATH_INFO}> относительно пути из свойства C<templatesBase>.
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170
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171 Наследуется от C<IMPL::Web::QueryHandler> для реализации функционала
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172 обработчика запроса и переопределяет метод C<Process>.
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173
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174 C<Serializable>
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175
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176 =head1 MEMBERS
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177
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178 =over
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179
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180 =item C<CTOR(%props)>
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181
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182 Создает новый экземпляр и заполняет свойства.
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183
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184 =item C<[get,set] templatesCharset>
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185
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186 Кодировка шаблонов. По умолчанию utf-8.
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187
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188 =item C<[get,set] templatesBase>
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189
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190 Каталог относительно которого ищется шаблон.
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191
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192 =item C<[override] Process($action,$nextHandler)>
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193
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194 Метод, переопределяющий C<IMPL::Web::QueryHandler->Process> и которому передается управление
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195 для выполнения действий.
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196
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197 =back
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198
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199 =cut