Mercurial > pub > Impl
annotate Lib/IMPL/Web/QueryHandler/PageFormat.pm @ 161:47c9877ccacc
Added a handler for rewriting a PATH_INFO value, useful with a json handlers
| author | wizard |
|---|---|
| date | Tue, 28 Dec 2010 14:58:17 +0300 |
| parents | 3f09584bf189 |
| children | 39c8788eded5 |
| rev | line source |
|---|---|
| 62 | 1 package IMPL::Web::QueryHandler::PageFormat; |
| 64 | 2 use base qw(IMPL::Web::QueryHandler IMPL::Object::Autofill); |
| 136 | 3 use strict; |
| 62 | 4 |
| 5 __PACKAGE__->PassThroughArgs; | |
| 6 | |
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7 use JSON; |
| 62 | 8 use IMPL::Class::Property; |
| 77 | 9 use IMPL::Web::TT::Document; |
| 136 | 10 use Template::Plugin::URL; |
| 97 | 11 use IMPL::Security::Context; |
| 65 | 12 use File::Spec; |
| 146 | 13 use HTML::TreeBuilder; |
| 154 | 14 use URI; |
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15 use Error qw(:try); |
| 62 | 16 |
| 136 | 17 $Template::Plugin::URL::JOINT = '&'; |
| 18 | |
| 64 | 19 BEGIN { |
| 65 | 20 public property templatesCharset => prop_all; |
| 21 public property templatesBase => prop_all; | |
| 160 | 22 public property includes => prop_all | prop_list; |
| 97 | 23 public property defaultTarget => prop_all; |
| 116 | 24 public property pathinfoPrefix => prop_all; |
| 134 | 25 public property cache => prop_all; |
| 146 | 26 public property preprocess => prop_all; |
| 27 public property formatOutput => prop_all; | |
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28 public property template => prop_all; |
| 64 | 29 } |
| 30 | |
| 31 sub CTOR { | |
| 32 my ($this) = @_; | |
| 33 | |
| 65 | 34 $this->templatesCharset('utf-8') unless $this->templatesCharset; |
| 134 | 35 $this->cache(File::Spec->rel2abs($this->cache)) if $this->cache; |
| 36 $this->templatesBase(File::Spec->rel2abs($this->templatesBase)) if $this->templatesBase; | |
| 64 | 37 } |
| 38 | |
| 62 | 39 sub Process { |
| 40 my ($this,$action,$nextHandler) = @_; | |
| 41 | |
| 146 | 42 my $doc = new IMPL::Web::TT::Document(cache => $this->cache, preprocess => $this->preprocess); |
| 62 | 43 |
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44 try { |
| 97 | 45 |
| 46 $this->templatesBase($ENV{DOCUMENT_ROOT}) unless $this->templatesBase; | |
| 47 | |
| 136 | 48 my ($requestUri) = split /\?/, $ENV{REQUEST_URI}; |
| 49 | |
| 50 my $pathInfo; | |
| 51 | |
| 52 if ( $requestUri eq $ENV{SCRIPT_NAME}.$ENV{PATH_INFO} ) { | |
| 53 # CGI with path info | |
| 54 $pathInfo = $ENV{PATH_INFO}; | |
| 55 } else { | |
| 137 | 56 die "REQUEST_URI: $requestUri\nPATH_INFO: $ENV{PATH_INFO}" unless $requestUri eq $ENV{PATH_INFO}; |
| 136 | 57 } |
| 58 | |
| 59 my @root = (''); | |
| 60 my @base; | |
| 61 | |
| 116 | 62 if (my $rx = $this->pathinfoPrefix) { |
| 136 | 63 $requestUri =~ s/^($rx)//; |
| 64 push @root, grep $_, split /\//, $1 if $1; | |
| 116 | 65 } |
| 136 | 66 |
| 67 $pathInfo = $requestUri unless defined $pathInfo; | |
| 68 | |
| 69 @base = grep $_, split /\//, ($pathInfo ? substr $requestUri,0, -length($pathInfo) : $requestUri); | |
| 70 | |
| 116 | 71 local $ENV{PATH_INFO} = $pathInfo || $this->defaultTarget; |
| 97 | 72 |
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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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74 |
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75 my @pathContainer = @path; |
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76 pop @pathContainer; |
| 65 | 77 |
| 154 | 78 $doc->LoadFile ( |
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79 ($this->template || File::Spec->catfile($this->templatesBase,@path)), |
| 154 | 80 $this->templatesCharset, |
| 160 | 81 [$this->templatesBase, $this->includes], |
| 154 | 82 { |
| 83 result => scalar($nextHandler->()), | |
| 84 action => $action, | |
| 85 app => $action->application, | |
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86 |
| 154 | 87 absoluteUrl => sub { new URI(join ('/', @root, $_[0]) ) }, |
| 88 baseUrl => sub { new URI (join ('/', @root, @base, $_[0]) ) }, | |
| 89 relativeUrl => sub { new URI(join ('/', @root, @base, @pathContainer,$_[0]) ) }, | |
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90 |
| 154 | 91 user => IMPL::Security::Context->current->principal, |
| 92 session => IMPL::Security::Context->current, | |
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93 |
| 154 | 94 to_json => \&to_json, |
| 95 escape_string => sub { $_[0] =~ s/"/"/g; $_[0] }, | |
| 96 } | |
| 97 ); | |
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98 |
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99 $action->response->contentType('text/html'); |
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100 my $hOut = $action->response->streamBody; |
| 146 | 101 if ($this->formatOutput == 1) { |
| 102 my $tree = new HTML::TreeBuilder(); | |
| 103 try { | |
| 104 $tree->parse_content($doc->Render()); | |
| 105 print $hOut $tree->as_HTML('<>&'," ",{}); | |
| 106 } finally { | |
| 107 $tree->delete; | |
| 108 }; | |
| 109 } elsif ($this->formatOutput() == 2 ) { | |
| 110 (my $data = $doc->Render()) =~ s/\s+/ /g; | |
| 111 print $hOut $data; | |
| 112 } else { | |
| 113 print $hOut $doc->Render(); | |
| 114 } | |
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115 } finally { |
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116 $doc->Dispose; |
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117 }; |
| 62 | 118 } |
| 119 | |
| 154 | 120 sub URI::_query::new_params { |
| 121 my ($this,$params) = @_; | |
| 122 | |
| 123 my $clone = $this->clone; | |
| 124 if (ref $params eq 'HASH' ) { | |
| 125 my %newParams = ($clone->query_form , %$params); | |
| 126 $clone->query_form(map { $_, $newParams{$_} } sort keys %newParams ); | |
| 127 } | |
| 128 return $clone; | |
| 129 } | |
| 130 | |
| 65 | 131 1; |
| 132 | |
| 133 __END__ | |
| 134 | |
| 135 =pod | |
| 136 | |
| 137 =head1 NAME | |
| 138 | |
| 139 C<IMPL::Web::QueryHandler::PageFormat> - Выдача результатов в виде HTML страницы, построенной из шаблона. | |
| 140 | |
| 141 =head1 SYNOPSIS | |
| 142 | |
| 143 В файле конфигурации приложения | |
| 144 | |
| 145 =begin code xml | |
| 146 | |
| 147 <handlersQuery type="IMPL::Object::List"> | |
| 148 <item type="IMPL::Web::QueryHandler::PageFormat"> | |
| 149 <charsetTemplates>utf-8</charsetTemplates> | |
| 150 </item> | |
| 151 </handlersQuery> | |
| 152 | |
| 153 =end code xml | |
| 154 | |
| 155 Программно | |
| 156 | |
| 157 =begin code | |
| 158 | |
| 159 my $app = new IMPL::Web::Application(); | |
| 160 $app->handlersQuery->Add( | |
| 161 new IMPL::Web::QueryHandler::PageFormat( charsetTemplates=> 'utf-8' ); | |
| 162 ); | |
| 163 | |
| 164 =end | |
| 165 | |
| 166 =head1 DESCRIPTION | |
| 167 | |
| 168 Обработчик запроса для веб приложения. Загружает шаблон, путь к котрому берется | |
| 169 из C<ENV{PATH_INFO}> относительно пути из свойства C<templatesBase>. | |
| 170 | |
| 171 Наследуется от C<IMPL::Web::QueryHandler> для реализации функционала | |
| 172 обработчика запроса и переопределяет метод C<Process>. | |
| 173 | |
| 174 C<Serializable> | |
| 175 | |
| 176 =head1 MEMBERS | |
| 177 | |
| 178 =over | |
| 179 | |
| 180 =item C<CTOR(%props)> | |
| 181 | |
| 182 Создает новый экземпляр и заполняет свойства. | |
| 183 | |
| 184 =item C<[get,set] templatesCharset> | |
| 185 | |
| 186 Кодировка шаблонов. По умолчанию utf-8. | |
| 187 | |
| 188 =item C<[get,set] templatesBase> | |
| 189 | |
| 190 Каталог относительно которого ищется шаблон. | |
| 191 | |
| 192 =item C<[override] Process($action,$nextHandler)> | |
| 193 | |
| 194 Метод, переопределяющий C<IMPL::Web::QueryHandler->Process> и которому передается управление | |
| 195 для выполнения действий. | |
| 196 | |
| 197 =back | |
| 198 | |
| 199 =cut |