Mercurial > pub > Impl
comparison Lib/IMPL/Web/Response.pm @ 57:bf59ee1cd506
Web application main class functionality
author | wizard |
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date | Fri, 05 Mar 2010 13:59:29 +0300 |
parents | |
children | a35b60b16a99 |
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56:117b6956d5a5 | 57:bf59ee1cd506 |
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1 package IMPL::Web::Response; | |
2 use strict; | |
3 | |
4 use base qw(IMPL::Object IMPL::Object::Autofill); | |
5 | |
6 require IMPL::Exception; | |
7 require CGI; | |
8 require CGI::Cookie; | |
9 | |
10 use IMPL::Class::Property; | |
11 | |
12 use HTTP::Response; | |
13 | |
14 BEGIN { | |
15 public property query => prop_get | owner_set; # cgi query | |
16 public property status => prop_all, { validator => \&_checkHeaderPrinted }; | |
17 public property contentType => prop_all, { validator => \&_checkHeaderPrinted }; # String | |
18 public property charset => prop_all, { validator => \&_checkHeaderPrinted }; | |
19 public property expires => prop_all, { validator => \&_checkHeaderPrinted }; | |
20 public property cookies => prop_all, { validator => \&_checkHeaderPrinted }; # Hash | |
21 | |
22 public property buffered => prop_get | owner_set; # Boolean | |
23 public property streamOut => prop_get | owner_set; # stream | |
24 public property streamBody => {get => \&getStreamBody }; # stream | |
25 public property isHeaderPrinted => prop_all; # Boolean | |
26 | |
27 private property _bufferBody => prop_all; | |
28 private property _streamBody => prop_all; | |
29 } | |
30 | |
31 __PACKAGE__->PassThroughArgs; | |
32 | |
33 sub CTOR { | |
34 my ($this,%args) = @_; | |
35 | |
36 $this->query(CGI->new({})) unless $this->query; | |
37 | |
38 if ($this->buffered) { | |
39 my $buffer = ""; | |
40 $this->_bufferBody(\$buffer); | |
41 | |
42 open my $hBody, ">", \$buffer or die new IMPL::Exception("Failed to create buffer",$!); | |
43 | |
44 $this->_streamBody($hBody); | |
45 } else { | |
46 $this->_streamBody($this->streamOut); | |
47 } | |
48 } | |
49 | |
50 sub _checkHeaderPrinted { | |
51 my ($this,$value) = @_; | |
52 | |
53 die new IMPL::InvalidOperationException() if $this->isHeaderPrinted; | |
54 } | |
55 | |
56 sub _PrintHeader { | |
57 my ($this) = @_; | |
58 | |
59 unless ($this->isHeaderPrinted) { | |
60 $this->isHeaderPrinted(1); | |
61 | |
62 my %opt; | |
63 | |
64 $opt{-type} = $this->contentType if $this->contentType; | |
65 $opt{-charset} = $this->charset if $this->charset; | |
66 $opt{-status} = $this->status if $this->status; | |
67 $opt{-expires} = $this->expires if $this->expires; | |
68 | |
69 my $refCookies = $this->cookies; | |
70 $opt{-cookie} = [map CGI::Cookie->new(-name => $_, $refCookies->{$_} ), keys %$refCookies] if $refCookies; | |
71 | |
72 my $hOut = $this->streamOut; | |
73 | |
74 print $hOut $this->query->header( | |
75 %opt | |
76 ); | |
77 } | |
78 } | |
79 | |
80 sub getStreamBody { | |
81 my ($this) = @_; | |
82 | |
83 return undef unless $this->_bodyStream; | |
84 | |
85 if ($this->buffered) { | |
86 return $this->_bodyStream; | |
87 } else { | |
88 $this->_PrintHeader(); | |
89 return $this->_bodyStream; | |
90 } | |
91 } | |
92 | |
93 sub Complete { | |
94 my ($this) = @_; | |
95 | |
96 return 0 unless $this->streamOut; | |
97 | |
98 my $hOut = $this->streamOut; | |
99 | |
100 $this->_PrintHeader(); | |
101 | |
102 if ($this->buffered) { | |
103 print $hOut ${$this->_bufferBody}; | |
104 } | |
105 | |
106 $this->_streamBody(undef); | |
107 $this->_bufferBody(undef); | |
108 $this->streamOut(undef); | |
109 | |
110 return 1; | |
111 } | |
112 | |
113 sub Discard { | |
114 my ($this) = @_; | |
115 | |
116 $this->_streamBody(undef); | |
117 $this->_bufferBody(undef); | |
118 $this->streamOut(undef); | |
119 } | |
120 | |
121 1; | |
122 | |
123 __END__ | |
124 | |
125 =pod | |
126 | |
127 | |
128 | |
129 =cut |