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