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1 | # $Id: Atom.pm 1958 2006-08-14 05:31:27Z btrott $ |
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2 | |
3 | package XML::Feed::Atom; |
4 | use strict; |
5 | |
6 | use base qw( XML::Feed ); |
7 | use XML::Atom::Feed; |
8 | use XML::Atom::Util qw( iso2dt ); |
9 | use List::Util qw( first ); |
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10 | use DateTime::Format::W3CDTF; |
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11 | |
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12 | sub init_empty { |
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13 | my ($feed, %args) = @_; |
14 | $args{'Version'} ||= '1.0'; |
15 | |
16 | $feed->{atom} = XML::Atom::Feed->new(%args); |
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17 | $feed; |
18 | } |
19 | |
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20 | sub init_string { |
21 | my $feed = shift; |
22 | my($str) = @_; |
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23 | if ($str) { |
24 | $feed->{atom} = XML::Atom::Feed->new(Stream => $str) |
25 | or return $feed->error(XML::Atom::Feed->errstr); |
26 | } |
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27 | $feed; |
28 | } |
29 | |
30 | sub format { 'Atom' } |
31 | |
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32 | sub title { shift->{atom}->title(@_) } |
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33 | sub link { |
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34 | my $feed = shift; |
35 | if (@_) { |
36 | $feed->{atom}->add_link({ rel => 'alternate', href => $_[0], |
37 | type => 'text/html', }); |
38 | } else { |
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39 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $feed->{atom}->link; |
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40 | $l ? $l->href : undef; |
41 | } |
42 | } |
43 | sub description { shift->{atom}->tagline(@_) } |
44 | sub copyright { shift->{atom}->copyright(@_) } |
45 | sub language { shift->{atom}->language(@_) } |
46 | sub generator { shift->{atom}->generator(@_) } |
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47 | sub id { shift->{atom}->id(@_) } |
48 | sub updated { shift->{atom}->updated(@_) } |
49 | sub add_link { shift->{atom}->add_link(@_) } |
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50 | |
51 | sub author { |
52 | my $feed = shift; |
53 | if (@_ && $_[0]) { |
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54 | my $person = XML::Atom::Person->new(Version => 1.0); |
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55 | $person->name($_[0]); |
56 | $feed->{atom}->author($person); |
57 | } else { |
58 | $feed->{atom}->author ? $feed->{atom}->author->name : undef; |
59 | } |
60 | } |
61 | |
62 | sub modified { |
63 | my $feed = shift; |
64 | if (@_) { |
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65 | $feed->{atom}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])); |
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66 | } else { |
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67 | $feed->{atom}->modified ? iso2dt($feed->{atom}->modified) : undef; |
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68 | } |
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69 | } |
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70 | |
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71 | sub entries { |
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72 | my @entries; |
73 | for my $entry ($_[0]->{atom}->entries) { |
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74 | push @entries, XML::Feed::Entry::Atom->wrap($entry); |
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75 | } |
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76 | |
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77 | @entries; |
78 | } |
79 | |
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80 | sub add_entry { |
81 | my $feed = shift; |
82 | my($entry) = @_; |
83 | $feed->{atom}->add_entry($entry->unwrap); |
84 | } |
85 | |
86 | sub as_xml { $_[0]->{atom}->as_xml } |
87 | |
88 | package XML::Feed::Entry::Atom; |
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89 | use strict; |
90 | |
91 | use base qw( XML::Feed::Entry ); |
92 | use XML::Atom::Util qw( iso2dt ); |
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93 | use XML::Feed::Content; |
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94 | use XML::Atom::Entry; |
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95 | use List::Util qw( first ); |
96 | |
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97 | sub init_empty { |
98 | my $entry = shift; |
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99 | $entry->{entry} = XML::Atom::Entry->new(Version => 1.0); |
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100 | 1; |
101 | } |
102 | |
103 | sub title { shift->{entry}->title(@_) } |
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104 | sub source { shift->{entry}->source(@_) } |
105 | sub updated { shift->{entry}->updated(@_) } |
106 | |
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107 | sub link { |
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108 | my $entry = shift; |
109 | if (@_) { |
110 | $entry->{entry}->add_link({ rel => 'alternate', href => $_[0], |
111 | type => 'text/html', }); |
112 | } else { |
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113 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link; |
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114 | $l ? $l->href : undef; |
115 | } |
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116 | } |
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117 | |
118 | sub summary { |
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119 | my $entry = shift; |
120 | if (@_) { |
121 | $entry->{entry}->summary(ref($_[0]) eq 'XML::Feed::Content' ? |
122 | $_[0]->body : $_[0]); |
123 | } else { |
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124 | XML::Feed::Content->wrap({ type => 'html', |
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125 | body => $entry->{entry}->summary }); |
126 | } |
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127 | } |
128 | |
129 | sub content { |
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130 | my $entry = shift; |
131 | if (@_) { |
132 | my %param; |
133 | if (ref($_[0]) eq 'XML::Feed::Content') { |
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134 | %param = (Body => $_[0]->body); |
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135 | } else { |
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136 | %param = (Body => $_[0]); |
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137 | } |
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138 | $entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0)); |
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139 | } else { |
140 | my $c = $entry->{entry}->content; |
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141 | |
142 | # map Atom types to MIME types |
143 | my $type = $c ? $c->type : undef; |
144 | if ($type) { |
145 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
146 | $type = 'text/plain' if $type eq 'text'; |
147 | } |
148 | |
149 | XML::Feed::Content->wrap({ type => $type, |
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150 | body => $c ? $c->body : undef }); |
151 | } |
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152 | } |
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153 | |
154 | sub category { |
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155 | my $entry = shift; |
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156 | my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/'); |
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157 | if (@_) { |
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158 | $entry->{entry}->add_category({ term => $_[0] }); |
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159 | } else { |
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160 | my $category = $entry->{entry}->category; |
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161 | $category ? ($category->label || $category->term) : $entry->{entry}->getlist($ns, 'subject'); |
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162 | } |
163 | } |
164 | |
165 | sub author { |
166 | my $entry = shift; |
167 | if (@_ && $_[0]) { |
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168 | my $person = XML::Atom::Person->new(Version => 1.0); |
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169 | $person->name($_[0]); |
170 | $entry->{entry}->author($person); |
171 | } else { |
172 | $entry->{entry}->author ? $entry->{entry}->author->name : undef; |
173 | } |
174 | } |
175 | |
176 | sub id { shift->{entry}->id(@_) } |
177 | |
178 | sub issued { |
179 | my $entry = shift; |
180 | if (@_) { |
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181 | $entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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182 | } else { |
183 | $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef; |
184 | } |
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185 | } |
186 | |
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187 | sub modified { |
188 | my $entry = shift; |
189 | if (@_) { |
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190 | $entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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191 | } else { |
192 | $entry->{entry}->modified ? iso2dt($entry->{entry}->modified) : undef; |
193 | } |
194 | } |
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195 | |
196 | 1; |