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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); |
973e1f9e |
17 | $feed; |
18 | } |
19 | |
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20 | sub init_string { |
21 | my $feed = shift; |
22 | my($str) = @_; |
fe71566d |
23 | if ($str) { |
24 | $feed->{atom} = XML::Atom::Feed->new(Stream => $str) |
25 | or return $feed->error(XML::Atom::Feed->errstr); |
26 | } |
0d5e38d1 |
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; |
973e1f9e |
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(@_) } |
e8fcbc5b |
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 | return iso2dt($feed->{atom}->modified) if $feed->{atom}->modified; |
68 | return iso2dt($feed->{atom}->updated) if $feed->{atom}->updated; |
69 | return undef; |
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70 | } |
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71 | } |
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72 | |
c4d4c98e |
73 | sub entries { |
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74 | my @entries; |
75 | for my $entry ($_[0]->{atom}->entries) { |
973e1f9e |
76 | push @entries, XML::Feed::Entry::Atom->wrap($entry); |
0d5e38d1 |
77 | } |
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78 | |
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79 | @entries; |
80 | } |
81 | |
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82 | sub add_entry { |
83 | my $feed = shift; |
84 | my($entry) = @_; |
85 | $feed->{atom}->add_entry($entry->unwrap); |
86 | } |
87 | |
88 | sub as_xml { $_[0]->{atom}->as_xml } |
89 | |
90 | package XML::Feed::Entry::Atom; |
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91 | use strict; |
92 | |
93 | use base qw( XML::Feed::Entry ); |
94 | use XML::Atom::Util qw( iso2dt ); |
a749d9b9 |
95 | use XML::Feed::Content; |
973e1f9e |
96 | use XML::Atom::Entry; |
0d5e38d1 |
97 | use List::Util qw( first ); |
98 | |
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99 | sub init_empty { |
100 | my $entry = shift; |
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101 | $entry->{entry} = XML::Atom::Entry->new(Version => 1.0); |
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102 | 1; |
103 | } |
104 | |
105 | sub title { shift->{entry}->title(@_) } |
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106 | sub source { shift->{entry}->source(@_) } |
107 | sub updated { shift->{entry}->updated(@_) } |
108 | |
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109 | sub link { |
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110 | my $entry = shift; |
111 | if (@_) { |
112 | $entry->{entry}->add_link({ rel => 'alternate', href => $_[0], |
113 | type => 'text/html', }); |
114 | } else { |
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115 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link; |
973e1f9e |
116 | $l ? $l->href : undef; |
117 | } |
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118 | } |
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119 | |
120 | sub summary { |
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121 | my $entry = shift; |
122 | if (@_) { |
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123 | my %param; |
124 | if (ref($_[0]) eq 'XML::Feed::Content') { |
125 | %param = (Body => $_[0]->body); |
126 | } else { |
127 | %param = (Body => $_[0]); |
128 | } |
129 | $entry->{entry}->summary(XML::Atom::Content->new(%param, Version => 1.0)); |
973e1f9e |
130 | } else { |
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131 | my $s = $entry->{entry}->summary; |
132 | # map Atom types to MIME types |
133 | my $type = ($s && ref($s) eq 'XML::Feed::Content') ? $s->type : undef; |
134 | if ($type) { |
135 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
136 | $type = 'text/plain' if $type eq 'text'; |
137 | } |
138 | my $body = $s; |
139 | if (defined $s && ref($s) eq 'XML::Feed::Content') { |
140 | $body = $s->body; |
141 | } |
142 | XML::Feed::Content->wrap({ type => $type, |
143 | body => $body }); |
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144 | } |
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145 | } |
146 | |
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147 | my %types = ( |
148 | 'text/xhtml' => 'xhtml', |
149 | 'text/html' => 'html', |
150 | 'text/plain' => 'text', |
151 | ); |
152 | |
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153 | sub content { |
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154 | my $entry = shift; |
155 | if (@_) { |
156 | my %param; |
157 | if (ref($_[0]) eq 'XML::Feed::Content') { |
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158 | if (defined $_[0]->type && defined $types{$_[0]->type}) { |
159 | %param = (Body => $_[0]->body, Type => $types{$_[0]->type}); |
160 | } else { |
161 | %param = (Body => $_[0]->body); |
162 | } |
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163 | } else { |
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164 | %param = (Body => $_[0]); |
973e1f9e |
165 | } |
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166 | $entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0)); |
973e1f9e |
167 | } else { |
168 | my $c = $entry->{entry}->content; |
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169 | |
170 | # map Atom types to MIME types |
171 | my $type = $c ? $c->type : undef; |
172 | if ($type) { |
173 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
174 | $type = 'text/plain' if $type eq 'text'; |
175 | } |
176 | |
177 | XML::Feed::Content->wrap({ type => $type, |
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178 | body => $c ? $c->body : undef }); |
179 | } |
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180 | } |
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181 | |
182 | sub category { |
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183 | my $entry = shift; |
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184 | my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/'); |
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185 | if (@_) { |
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186 | $entry->{entry}->add_category({ term => $_[0] }); |
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187 | } else { |
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188 | my $category = $entry->{entry}->category; |
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189 | my @return = $category ? ($category->label || $category->term) : $entry->{entry}->getlist($ns, 'subject'); |
190 | return wantarray? @return : $return[0]; |
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191 | } |
192 | } |
193 | |
194 | sub author { |
195 | my $entry = shift; |
196 | if (@_ && $_[0]) { |
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197 | my $person = XML::Atom::Person->new(Version => 1.0); |
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198 | $person->name($_[0]); |
199 | $entry->{entry}->author($person); |
200 | } else { |
201 | $entry->{entry}->author ? $entry->{entry}->author->name : undef; |
202 | } |
203 | } |
204 | |
205 | sub id { shift->{entry}->id(@_) } |
206 | |
207 | sub issued { |
208 | my $entry = shift; |
209 | if (@_) { |
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210 | $entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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211 | } else { |
212 | $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef; |
213 | } |
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214 | } |
215 | |
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216 | sub modified { |
217 | my $entry = shift; |
218 | if (@_) { |
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219 | $entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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220 | } else { |
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221 | return iso2dt($entry->{entry}->modified) if $entry->{entry}->modified; |
222 | return iso2dt($entry->{entry}->updated) if $entry->{entry}->updated; |
223 | return undef; |
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224 | } |
225 | } |
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226 | |
227 | 1; |