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1 | # $Id: Atom.pm 1958 2006-08-14 05:31:27Z btrott $ |
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2 | |
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3 | package XML::Feed::Format::Atom; |
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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 ); |
ecac864a |
10 | use DateTime::Format::W3CDTF; |
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11 | |
9a36f82c |
12 | use XML::Atom::Entry; |
13 | XML::Atom::Entry->mk_elem_accessors(qw( lat long ), ['http://www.w3.org/2003/01/geo/wgs84_pos#']); |
14 | |
5383a560 |
15 | use XML::Atom::Content; |
16 | |
9b6bc912 |
17 | sub identify { |
18 | my $class = shift; |
19 | my $xml = shift; |
20 | my $tag = $class->_get_first_tag($xml); |
21 | return ($tag eq 'feed'); |
22 | } |
23 | |
24 | |
973e1f9e |
25 | sub init_empty { |
4e9c4625 |
26 | my ($feed, %args) = @_; |
27 | $args{'Version'} ||= '1.0'; |
28 | |
29 | $feed->{atom} = XML::Atom::Feed->new(%args); |
973e1f9e |
30 | $feed; |
31 | } |
32 | |
0d5e38d1 |
33 | sub init_string { |
34 | my $feed = shift; |
35 | my($str) = @_; |
fe71566d |
36 | if ($str) { |
37 | $feed->{atom} = XML::Atom::Feed->new(Stream => $str) |
38 | or return $feed->error(XML::Atom::Feed->errstr); |
39 | } |
0d5e38d1 |
40 | $feed; |
41 | } |
42 | |
43 | sub format { 'Atom' } |
44 | |
973e1f9e |
45 | sub title { shift->{atom}->title(@_) } |
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46 | sub link { |
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47 | my $feed = shift; |
48 | if (@_) { |
49 | $feed->{atom}->add_link({ rel => 'alternate', href => $_[0], |
50 | type => 'text/html', }); |
51 | } else { |
4679cf3f |
52 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $feed->{atom}->link; |
973e1f9e |
53 | $l ? $l->href : undef; |
54 | } |
55 | } |
9a36f82c |
56 | |
57 | sub self_link { |
58 | my $feed = shift; |
59 | if (@_) { |
60 | my $uri = shift; |
61 | $feed->{atom}->add_link({type => "application/atom+xml", rel => "self", href => $uri}); |
62 | return $uri; |
63 | } |
64 | else |
65 | { |
66 | my $l = |
67 | first |
68 | { !defined $_->rel || $_->rel eq 'self' } |
69 | $feed->{atom}->link; |
70 | ; |
71 | |
72 | return $l ? $l->href : undef; |
73 | } |
74 | } |
75 | |
973e1f9e |
76 | sub description { shift->{atom}->tagline(@_) } |
77 | sub copyright { shift->{atom}->copyright(@_) } |
78 | sub language { shift->{atom}->language(@_) } |
79 | sub generator { shift->{atom}->generator(@_) } |
e8fcbc5b |
80 | sub id { shift->{atom}->id(@_) } |
81 | sub updated { shift->{atom}->updated(@_) } |
82 | sub add_link { shift->{atom}->add_link(@_) } |
5383a560 |
83 | sub base { shift->{atom}->base(@_) } |
973e1f9e |
84 | |
85 | sub author { |
86 | my $feed = shift; |
87 | if (@_ && $_[0]) { |
c4d4c98e |
88 | my $person = XML::Atom::Person->new(Version => 1.0); |
973e1f9e |
89 | $person->name($_[0]); |
90 | $feed->{atom}->author($person); |
91 | } else { |
92 | $feed->{atom}->author ? $feed->{atom}->author->name : undef; |
93 | } |
94 | } |
95 | |
5383a560 |
96 | |
97 | |
98 | |
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99 | sub modified { |
100 | my $feed = shift; |
101 | if (@_) { |
ecac864a |
102 | $feed->{atom}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])); |
973e1f9e |
103 | } else { |
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104 | return iso2dt($feed->{atom}->modified) if $feed->{atom}->modified; |
105 | return iso2dt($feed->{atom}->updated) if $feed->{atom}->updated; |
106 | return undef; |
973e1f9e |
107 | } |
0d5e38d1 |
108 | } |
0d5e38d1 |
109 | |
c4d4c98e |
110 | sub entries { |
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111 | my @entries; |
112 | for my $entry ($_[0]->{atom}->entries) { |
729cd7a8 |
113 | push @entries, XML::Feed::Entry::Format::Atom->wrap($entry); |
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114 | } |
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115 | |
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116 | @entries; |
117 | } |
118 | |
973e1f9e |
119 | sub add_entry { |
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120 | my $feed = shift; |
121 | my $entry = shift || return; |
122 | $entry = $feed->_convert_entry($entry); |
973e1f9e |
123 | $feed->{atom}->add_entry($entry->unwrap); |
124 | } |
125 | |
126 | sub as_xml { $_[0]->{atom}->as_xml } |
127 | |
729cd7a8 |
128 | package XML::Feed::Entry::Format::Atom; |
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129 | use strict; |
130 | |
131 | use base qw( XML::Feed::Entry ); |
132 | use XML::Atom::Util qw( iso2dt ); |
a749d9b9 |
133 | use XML::Feed::Content; |
973e1f9e |
134 | use XML::Atom::Entry; |
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135 | use List::Util qw( first ); |
136 | |
973e1f9e |
137 | sub init_empty { |
138 | my $entry = shift; |
c4d4c98e |
139 | $entry->{entry} = XML::Atom::Entry->new(Version => 1.0); |
973e1f9e |
140 | 1; |
141 | } |
142 | |
3bdbab6f |
143 | sub format { 'Atom' } |
144 | |
973e1f9e |
145 | sub title { shift->{entry}->title(@_) } |
e8fcbc5b |
146 | sub source { shift->{entry}->source(@_) } |
147 | sub updated { shift->{entry}->updated(@_) } |
5383a560 |
148 | sub base { shift->{entry}->base(@_) } |
e8fcbc5b |
149 | |
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150 | sub link { |
973e1f9e |
151 | my $entry = shift; |
152 | if (@_) { |
153 | $entry->{entry}->add_link({ rel => 'alternate', href => $_[0], |
154 | type => 'text/html', }); |
155 | } else { |
4679cf3f |
156 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link; |
973e1f9e |
157 | $l ? $l->href : undef; |
158 | } |
0d5e38d1 |
159 | } |
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160 | |
161 | sub summary { |
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162 | my $entry = shift; |
163 | if (@_) { |
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164 | my %param; |
165 | if (ref($_[0]) eq 'XML::Feed::Content') { |
166 | %param = (Body => $_[0]->body); |
167 | } else { |
168 | %param = (Body => $_[0]); |
169 | } |
170 | $entry->{entry}->summary(XML::Atom::Content->new(%param, Version => 1.0)); |
973e1f9e |
171 | } else { |
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172 | my $s = $entry->{entry}->summary; |
173 | # map Atom types to MIME types |
174 | my $type = ($s && ref($s) eq 'XML::Feed::Content') ? $s->type : undef; |
175 | if ($type) { |
176 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
177 | $type = 'text/plain' if $type eq 'text'; |
178 | } |
179 | my $body = $s; |
180 | if (defined $s && ref($s) eq 'XML::Feed::Content') { |
181 | $body = $s->body; |
182 | } |
183 | XML::Feed::Content->wrap({ type => $type, |
184 | body => $body }); |
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185 | } |
a749d9b9 |
186 | } |
187 | |
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188 | my %types = ( |
189 | 'text/xhtml' => 'xhtml', |
190 | 'text/html' => 'html', |
191 | 'text/plain' => 'text', |
192 | ); |
193 | |
a749d9b9 |
194 | sub content { |
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195 | my $entry = shift; |
196 | if (@_) { |
197 | my %param; |
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198 | my $base; |
973e1f9e |
199 | if (ref($_[0]) eq 'XML::Feed::Content') { |
4f413435 |
200 | if (defined $_[0]->type && defined $types{$_[0]->type}) { |
201 | %param = (Body => $_[0]->body, Type => $types{$_[0]->type}); |
202 | } else { |
203 | %param = (Body => $_[0]->body); |
204 | } |
5383a560 |
205 | $base = $_[0]->base if defined $_[0]->base; |
973e1f9e |
206 | } else { |
c4d4c98e |
207 | %param = (Body => $_[0]); |
973e1f9e |
208 | } |
c4d4c98e |
209 | $entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0)); |
5383a560 |
210 | $entry->{entry}->content->base($base) if defined $base; |
973e1f9e |
211 | } else { |
212 | my $c = $entry->{entry}->content; |
c4d4c98e |
213 | |
214 | # map Atom types to MIME types |
215 | my $type = $c ? $c->type : undef; |
216 | if ($type) { |
217 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
218 | $type = 'text/plain' if $type eq 'text'; |
219 | } |
220 | |
221 | XML::Feed::Content->wrap({ type => $type, |
5383a560 |
222 | base => $c ? $c->base : undef, |
973e1f9e |
223 | body => $c ? $c->body : undef }); |
224 | } |
a749d9b9 |
225 | } |
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226 | |
227 | sub category { |
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228 | my $entry = shift; |
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229 | my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/'); |
973e1f9e |
230 | if (@_) { |
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231 | $entry->{entry}->add_category({ term => $_[0] }); |
973e1f9e |
232 | } else { |
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233 | my $category = $entry->{entry}->category; |
bf34c07e |
234 | my @return = $category ? ($category->label || $category->term) : $entry->{entry}->getlist($ns, 'subject'); |
235 | return wantarray? @return : $return[0]; |
973e1f9e |
236 | } |
237 | } |
238 | |
239 | sub author { |
240 | my $entry = shift; |
241 | if (@_ && $_[0]) { |
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242 | my $person = XML::Atom::Person->new(Version => 1.0); |
973e1f9e |
243 | $person->name($_[0]); |
244 | $entry->{entry}->author($person); |
245 | } else { |
246 | $entry->{entry}->author ? $entry->{entry}->author->name : undef; |
247 | } |
248 | } |
249 | |
250 | sub id { shift->{entry}->id(@_) } |
251 | |
252 | sub issued { |
253 | my $entry = shift; |
254 | if (@_) { |
ecac864a |
255 | $entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
973e1f9e |
256 | } else { |
257 | $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef; |
258 | } |
0d5e38d1 |
259 | } |
260 | |
973e1f9e |
261 | sub modified { |
262 | my $entry = shift; |
263 | if (@_) { |
ecac864a |
264 | $entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
973e1f9e |
265 | } else { |
1ee56ab5 |
266 | return iso2dt($entry->{entry}->modified) if $entry->{entry}->modified; |
267 | return iso2dt($entry->{entry}->updated) if $entry->{entry}->updated; |
268 | return undef; |
973e1f9e |
269 | } |
270 | } |
0d5e38d1 |
271 | |
9a36f82c |
272 | sub lat { |
273 | my $entry = shift; |
274 | if (@_) { |
275 | $entry->{entry}->lat($_[0]) if $_[0]; |
276 | } else { |
277 | $entry->{entry}->lat; |
278 | } |
279 | } |
280 | |
281 | sub long { |
282 | my $entry = shift; |
283 | if (@_) { |
284 | $entry->{entry}->long($_[0]) if $_[0]; |
285 | } else { |
286 | $entry->{entry}->long; |
287 | } |
288 | } |
289 | |
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290 | 1; |