Mercurial > pub > Impl
view Lib/IMPL/Web/Response.pm @ 57:bf59ee1cd506
Web application main class functionality
author | wizard |
---|---|
date | Fri, 05 Mar 2010 13:59:29 +0300 |
parents | |
children | a35b60b16a99 |
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package IMPL::Web::Response; use strict; use base qw(IMPL::Object IMPL::Object::Autofill); require IMPL::Exception; require CGI; require CGI::Cookie; use IMPL::Class::Property; use HTTP::Response; BEGIN { public property query => prop_get | owner_set; # cgi query public property status => prop_all, { validator => \&_checkHeaderPrinted }; public property contentType => prop_all, { validator => \&_checkHeaderPrinted }; # String public property charset => prop_all, { validator => \&_checkHeaderPrinted }; public property expires => prop_all, { validator => \&_checkHeaderPrinted }; public property cookies => prop_all, { validator => \&_checkHeaderPrinted }; # Hash public property buffered => prop_get | owner_set; # Boolean public property streamOut => prop_get | owner_set; # stream public property streamBody => {get => \&getStreamBody }; # stream public property isHeaderPrinted => prop_all; # Boolean private property _bufferBody => prop_all; private property _streamBody => prop_all; } __PACKAGE__->PassThroughArgs; sub CTOR { my ($this,%args) = @_; $this->query(CGI->new({})) unless $this->query; if ($this->buffered) { my $buffer = ""; $this->_bufferBody(\$buffer); open my $hBody, ">", \$buffer or die new IMPL::Exception("Failed to create buffer",$!); $this->_streamBody($hBody); } else { $this->_streamBody($this->streamOut); } } sub _checkHeaderPrinted { my ($this,$value) = @_; die new IMPL::InvalidOperationException() if $this->isHeaderPrinted; } sub _PrintHeader { my ($this) = @_; unless ($this->isHeaderPrinted) { $this->isHeaderPrinted(1); my %opt; $opt{-type} = $this->contentType if $this->contentType; $opt{-charset} = $this->charset if $this->charset; $opt{-status} = $this->status if $this->status; $opt{-expires} = $this->expires if $this->expires; my $refCookies = $this->cookies; $opt{-cookie} = [map CGI::Cookie->new(-name => $_, $refCookies->{$_} ), keys %$refCookies] if $refCookies; my $hOut = $this->streamOut; print $hOut $this->query->header( %opt ); } } sub getStreamBody { my ($this) = @_; return undef unless $this->_bodyStream; if ($this->buffered) { return $this->_bodyStream; } else { $this->_PrintHeader(); return $this->_bodyStream; } } sub Complete { my ($this) = @_; return 0 unless $this->streamOut; my $hOut = $this->streamOut; $this->_PrintHeader(); if ($this->buffered) { print $hOut ${$this->_bufferBody}; } $this->_streamBody(undef); $this->_bufferBody(undef); $this->streamOut(undef); return 1; } sub Discard { my ($this) = @_; $this->_streamBody(undef); $this->_bufferBody(undef); $this->streamOut(undef); } 1; __END__ =pod =cut