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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 ); |
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 | |
973e1f9e |
15 | sub init_empty { |
4e9c4625 |
16 | my ($feed, %args) = @_; |
17 | $args{'Version'} ||= '1.0'; |
18 | |
19 | $feed->{atom} = XML::Atom::Feed->new(%args); |
973e1f9e |
20 | $feed; |
21 | } |
22 | |
0d5e38d1 |
23 | sub init_string { |
24 | my $feed = shift; |
25 | my($str) = @_; |
fe71566d |
26 | if ($str) { |
27 | $feed->{atom} = XML::Atom::Feed->new(Stream => $str) |
28 | or return $feed->error(XML::Atom::Feed->errstr); |
29 | } |
0d5e38d1 |
30 | $feed; |
31 | } |
32 | |
33 | sub format { 'Atom' } |
34 | |
973e1f9e |
35 | sub title { shift->{atom}->title(@_) } |
0d5e38d1 |
36 | sub link { |
973e1f9e |
37 | my $feed = shift; |
38 | if (@_) { |
39 | $feed->{atom}->add_link({ rel => 'alternate', href => $_[0], |
40 | type => 'text/html', }); |
41 | } else { |
4679cf3f |
42 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $feed->{atom}->link; |
973e1f9e |
43 | $l ? $l->href : undef; |
44 | } |
45 | } |
9a36f82c |
46 | |
47 | sub self_link { |
48 | my $feed = shift; |
49 | if (@_) { |
50 | my $uri = shift; |
51 | $feed->{atom}->add_link({type => "application/atom+xml", rel => "self", href => $uri}); |
52 | return $uri; |
53 | } |
54 | else |
55 | { |
56 | my $l = |
57 | first |
58 | { !defined $_->rel || $_->rel eq 'self' } |
59 | $feed->{atom}->link; |
60 | ; |
61 | |
62 | return $l ? $l->href : undef; |
63 | } |
64 | } |
65 | |
973e1f9e |
66 | sub description { shift->{atom}->tagline(@_) } |
67 | sub copyright { shift->{atom}->copyright(@_) } |
68 | sub language { shift->{atom}->language(@_) } |
69 | sub generator { shift->{atom}->generator(@_) } |
e8fcbc5b |
70 | sub id { shift->{atom}->id(@_) } |
71 | sub updated { shift->{atom}->updated(@_) } |
72 | sub add_link { shift->{atom}->add_link(@_) } |
973e1f9e |
73 | |
74 | sub author { |
75 | my $feed = shift; |
76 | if (@_ && $_[0]) { |
c4d4c98e |
77 | my $person = XML::Atom::Person->new(Version => 1.0); |
973e1f9e |
78 | $person->name($_[0]); |
79 | $feed->{atom}->author($person); |
80 | } else { |
81 | $feed->{atom}->author ? $feed->{atom}->author->name : undef; |
82 | } |
83 | } |
84 | |
85 | sub modified { |
86 | my $feed = shift; |
87 | if (@_) { |
ecac864a |
88 | $feed->{atom}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])); |
973e1f9e |
89 | } else { |
1ee56ab5 |
90 | return iso2dt($feed->{atom}->modified) if $feed->{atom}->modified; |
91 | return iso2dt($feed->{atom}->updated) if $feed->{atom}->updated; |
92 | return undef; |
973e1f9e |
93 | } |
0d5e38d1 |
94 | } |
0d5e38d1 |
95 | |
c4d4c98e |
96 | sub entries { |
0d5e38d1 |
97 | my @entries; |
98 | for my $entry ($_[0]->{atom}->entries) { |
973e1f9e |
99 | push @entries, XML::Feed::Entry::Atom->wrap($entry); |
0d5e38d1 |
100 | } |
c4d4c98e |
101 | |
0d5e38d1 |
102 | @entries; |
103 | } |
104 | |
973e1f9e |
105 | sub add_entry { |
33d4cb3f |
106 | my $feed = shift; |
107 | my $entry = shift || return; |
108 | $entry = $feed->_convert_entry($entry); |
973e1f9e |
109 | $feed->{atom}->add_entry($entry->unwrap); |
110 | } |
111 | |
112 | sub as_xml { $_[0]->{atom}->as_xml } |
113 | |
114 | package XML::Feed::Entry::Atom; |
0d5e38d1 |
115 | use strict; |
116 | |
117 | use base qw( XML::Feed::Entry ); |
118 | use XML::Atom::Util qw( iso2dt ); |
a749d9b9 |
119 | use XML::Feed::Content; |
973e1f9e |
120 | use XML::Atom::Entry; |
0d5e38d1 |
121 | use List::Util qw( first ); |
122 | |
973e1f9e |
123 | sub init_empty { |
124 | my $entry = shift; |
c4d4c98e |
125 | $entry->{entry} = XML::Atom::Entry->new(Version => 1.0); |
973e1f9e |
126 | 1; |
127 | } |
128 | |
129 | sub title { shift->{entry}->title(@_) } |
e8fcbc5b |
130 | sub source { shift->{entry}->source(@_) } |
131 | sub updated { shift->{entry}->updated(@_) } |
132 | |
0d5e38d1 |
133 | sub link { |
973e1f9e |
134 | my $entry = shift; |
135 | if (@_) { |
136 | $entry->{entry}->add_link({ rel => 'alternate', href => $_[0], |
137 | type => 'text/html', }); |
138 | } else { |
4679cf3f |
139 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link; |
973e1f9e |
140 | $l ? $l->href : undef; |
141 | } |
0d5e38d1 |
142 | } |
a749d9b9 |
143 | |
144 | sub summary { |
973e1f9e |
145 | my $entry = shift; |
146 | if (@_) { |
ac9492d2 |
147 | my %param; |
148 | if (ref($_[0]) eq 'XML::Feed::Content') { |
149 | %param = (Body => $_[0]->body); |
150 | } else { |
151 | %param = (Body => $_[0]); |
152 | } |
153 | $entry->{entry}->summary(XML::Atom::Content->new(%param, Version => 1.0)); |
973e1f9e |
154 | } else { |
ac9492d2 |
155 | my $s = $entry->{entry}->summary; |
156 | # map Atom types to MIME types |
157 | my $type = ($s && ref($s) eq 'XML::Feed::Content') ? $s->type : undef; |
158 | if ($type) { |
159 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
160 | $type = 'text/plain' if $type eq 'text'; |
161 | } |
162 | my $body = $s; |
163 | if (defined $s && ref($s) eq 'XML::Feed::Content') { |
164 | $body = $s->body; |
165 | } |
166 | XML::Feed::Content->wrap({ type => $type, |
167 | body => $body }); |
973e1f9e |
168 | } |
a749d9b9 |
169 | } |
170 | |
4f413435 |
171 | my %types = ( |
172 | 'text/xhtml' => 'xhtml', |
173 | 'text/html' => 'html', |
174 | 'text/plain' => 'text', |
175 | ); |
176 | |
a749d9b9 |
177 | sub content { |
973e1f9e |
178 | my $entry = shift; |
179 | if (@_) { |
180 | my %param; |
181 | if (ref($_[0]) eq 'XML::Feed::Content') { |
4f413435 |
182 | if (defined $_[0]->type && defined $types{$_[0]->type}) { |
183 | %param = (Body => $_[0]->body, Type => $types{$_[0]->type}); |
184 | } else { |
185 | %param = (Body => $_[0]->body); |
186 | } |
973e1f9e |
187 | } else { |
c4d4c98e |
188 | %param = (Body => $_[0]); |
973e1f9e |
189 | } |
c4d4c98e |
190 | $entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0)); |
973e1f9e |
191 | } else { |
192 | my $c = $entry->{entry}->content; |
c4d4c98e |
193 | |
194 | # map Atom types to MIME types |
195 | my $type = $c ? $c->type : undef; |
196 | if ($type) { |
197 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
198 | $type = 'text/plain' if $type eq 'text'; |
199 | } |
200 | |
201 | XML::Feed::Content->wrap({ type => $type, |
973e1f9e |
202 | body => $c ? $c->body : undef }); |
203 | } |
a749d9b9 |
204 | } |
0d5e38d1 |
205 | |
206 | sub category { |
973e1f9e |
207 | my $entry = shift; |
0d5e38d1 |
208 | my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/'); |
973e1f9e |
209 | if (@_) { |
c4d4c98e |
210 | $entry->{entry}->add_category({ term => $_[0] }); |
973e1f9e |
211 | } else { |
c4d4c98e |
212 | my $category = $entry->{entry}->category; |
bf34c07e |
213 | my @return = $category ? ($category->label || $category->term) : $entry->{entry}->getlist($ns, 'subject'); |
214 | return wantarray? @return : $return[0]; |
973e1f9e |
215 | } |
216 | } |
217 | |
218 | sub author { |
219 | my $entry = shift; |
220 | if (@_ && $_[0]) { |
c4d4c98e |
221 | my $person = XML::Atom::Person->new(Version => 1.0); |
973e1f9e |
222 | $person->name($_[0]); |
223 | $entry->{entry}->author($person); |
224 | } else { |
225 | $entry->{entry}->author ? $entry->{entry}->author->name : undef; |
226 | } |
227 | } |
228 | |
229 | sub id { shift->{entry}->id(@_) } |
230 | |
231 | sub issued { |
232 | my $entry = shift; |
233 | if (@_) { |
ecac864a |
234 | $entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
973e1f9e |
235 | } else { |
236 | $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef; |
237 | } |
0d5e38d1 |
238 | } |
239 | |
973e1f9e |
240 | sub modified { |
241 | my $entry = shift; |
242 | if (@_) { |
ecac864a |
243 | $entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
973e1f9e |
244 | } else { |
1ee56ab5 |
245 | return iso2dt($entry->{entry}->modified) if $entry->{entry}->modified; |
246 | return iso2dt($entry->{entry}->updated) if $entry->{entry}->updated; |
247 | return undef; |
973e1f9e |
248 | } |
249 | } |
0d5e38d1 |
250 | |
9a36f82c |
251 | sub lat { |
252 | my $entry = shift; |
253 | if (@_) { |
254 | $entry->{entry}->lat($_[0]) if $_[0]; |
255 | } else { |
256 | $entry->{entry}->lat; |
257 | } |
258 | } |
259 | |
260 | sub long { |
261 | my $entry = shift; |
262 | if (@_) { |
263 | $entry->{entry}->long($_[0]) if $_[0]; |
264 | } else { |
265 | $entry->{entry}->long; |
266 | } |
267 | } |
268 | |
0d5e38d1 |
269 | 1; |