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package Egg::Response::Headers; |
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# |
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# Masatoshi Mizuno E<lt>lusheE<64>cpan.orgE<gt> |
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# |
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# $Id: Headers.pm 337 2008-05-14 12:30:09Z lushe $ |
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# |
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use strict; |
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use Carp qw/croak/; |
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our $VERSION = '3.00'; |
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sub new { |
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my $class= shift; |
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tie my %headers, 'Egg::Response::Headers::TieHash', @_; |
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bless \%headers, $class; |
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} |
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sub header { |
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my $self= shift; |
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my $key = shift || croak q{ I want key. }; |
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return $self->{$key} unless @_; |
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$self->{$key}= shift; |
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} |
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sub remove { |
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my $self= shift; |
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my $key = shift || croak q{ I want key. }; |
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CORE::delete($self->{$key}); |
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} |
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*delete= \&remove; |
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sub clear { |
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my $self= shift; |
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%{$self}= (); |
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1; |
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} |
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package Egg::Response::Headers::TieHash; |
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use strict; |
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use Tie::Hash::Indexed; |
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use Tie::Hash; |
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our @ISA = 'Tie::ExtraHash'; |
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my $ForwardRegex= qr{^(?:content_type|content_language|location|status)$}; |
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sub TIEHASH { |
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my($class, $response)= @_; |
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tie my %param, 'Tie::Hash::Indexed'; |
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bless [\%param, $response], $class; |
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} |
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sub FETCH { |
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my($self, $key, $org)= &_getkey; |
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return $self->[1]->$key if $key=~m{$ForwardRegex}; |
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$self->[0]{$key}; |
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} |
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sub STORE { |
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my($self, $key, $org, $value)= &_getkey; |
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return $self->[1]->$key($value) if $key=~m{$ForwardRegex}; |
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if ($value eq "") { |
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delete($self->[0]{$key}) if exists($self->[0]{$key}); |
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} else { |
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if ($self->[0]{$key}) { |
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ref($self->[0]{$key}[0]) eq 'ARRAY' |
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? do { push @{$self->[0]{$key}}, [$org, $value] } |
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: do { $self->[0]{$key}= [$self->[0]{$key}, [$org, $value]] }; |
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} else { |
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$self->[0]{$key}= [$org, $value]; |
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} |
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} |
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} |
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sub DELETE { |
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my($self, $key)= &_getkey; |
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delete($self->[0]{$key}); |
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} |
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sub EXISTS { |
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my($self, $key)= &_getkey; |
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exists($self->[0]{$key}); |
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} |
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sub _getkey { |
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my($self, $org)= splice @_, 0, 2; |
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$org=~s{_} [-]g; |
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my $key= lc($org); |
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$key=~s{-} [_]g; |
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($self, $key, $org, @_); |
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} |
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1; |
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__END__ |
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=head1 NAME |
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Egg::Response::Headers - Response header class for Egg. |
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=head1 SYNOPSIS |
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# The response header is set. |
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$e->response->headers->{'X-Header'}= 'hoge'; |
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# The response header is set. |
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$e->response->headers->header( 'X-Header' => 'hoge' ); |
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# The response header is deleted. |
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$e->response->headers->remove('X-Header'); |
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# All the response headers are clear. |
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$e->response->headers->clear; |
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=head1 DESCRIPTION |
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It is make a response a header class only for L<Egg::Response>. |
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=head1 METHODS |
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=head2 new |
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Constructor. |
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L<Egg::Response::Headers::TieHash> The object is returned drinking. |
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my $headers= $e->response->headers; |
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The value becomes ARRAY reference of the following content. |
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=over 4 |
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=item * Original name. Because lc is done as for the key, former name is preserved. |
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=item * Value of header. |
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=back |
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=head2 header ([KEY], [VALUE]) |
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KEY is always necessary. |
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The value is set when VALUE is given, and the content corresponding to KEY is |
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returned when omitting it. |
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my $hoge= $headers->header('X-Hoge'); |
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$headers->header( 'X-Hoge' => 'foo' ); |
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=head2 remove ([KEY]) |
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The header corresponding to KEY is deleted. |
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$headers->remove('X-Hoge'); |
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=over 4 |
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=item * Alias = delete |
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=back |
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153
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=head2 clear |
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All set headers are cleared. |
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$headers->clear; |
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=head1 SEE ALSO |
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161
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L<Egg::Release>, |
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L<Egg::Request>, |
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L<Tie::Hash>, |
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L<Tie::Hash::Indexed>, |
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L<Carp>, |
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=head1 AUTHOR |
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169
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Masatoshi Mizuno, E<lt>lusheE<64>cpan.orgE<gt> |
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=head1 COPYRIGHT AND LICENSE |
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Copyright (C) 2008 Bee Flag, Corp. E<lt>L<http://egg.bomcity.com/>E<gt>. |
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This library is free software; you can redistribute it and/or modify |
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it under the same terms as Perl itself, either Perl version 5.8.6 or, |
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at your option, any later version of Perl 5 you may have available. |
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=cut |
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