3 package XML::Feed::Format::Atom;
6 use base qw( XML::Feed );
8 use XML::Atom::Util qw( iso2dt );
9 use List::Util qw( first );
10 use DateTime::Format::W3CDTF;
14 XML::Atom::Entry->mk_elem_accessors(qw( lat long ), ['http://www.w3.org/2003/01/geo/wgs84_pos#']);
16 use XML::Atom::Content;
21 my $tag = $class->_get_first_tag($xml);
22 return ($tag eq 'feed');
27 my ($feed, %args) = @_;
28 $args{'Version'} ||= '1.0';
30 $feed->{atom} = XML::Atom::Feed->new(%args);
38 $feed->{atom} = XML::Atom::Feed->new(Stream => $str)
39 or return $feed->error(XML::Atom::Feed->errstr);
46 sub title { shift->{atom}->title(@_) }
50 $feed->{atom}->add_link({ rel => 'alternate', href => $_[0],
51 type => 'text/html', });
53 my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $feed->{atom}->link;
54 $l ? $l->href : undef;
62 $feed->{atom}->add_link({type => "application/atom+xml", rel => "self", href => $uri});
69 { !defined $_->rel || $_->rel eq 'self' }
73 return $l ? $l->href : undef;
77 sub description { shift->{atom}->tagline(@_) }
78 sub copyright { shift->{atom}->copyright(@_) }
79 sub language { shift->{atom}->language(@_) }
80 sub generator { shift->{atom}->generator(@_) }
81 sub id { shift->{atom}->id(@_) }
82 sub updated { shift->{atom}->updated(@_) }
83 sub add_link { shift->{atom}->add_link(@_) }
84 sub base { shift->{atom}->base(@_) }
89 my $person = XML::Atom::Person->new(Version => 1.0);
91 $feed->{atom}->author($person);
93 $feed->{atom}->author ? $feed->{atom}->author->name : undef;
103 $feed->{atom}->modified(DateTime::Format::W3CDTF->format_datetime($_[0]));
105 return iso2dt($feed->{atom}->modified) if $feed->{atom}->modified;
106 return iso2dt($feed->{atom}->updated) if $feed->{atom}->updated;
113 for my $entry ($_[0]->{atom}->entries) {
114 push @entries, XML::Feed::Entry::Format::Atom->wrap($entry);
122 my $entry = shift || return;
123 $entry = $feed->_convert_entry($entry);
124 $feed->{atom}->add_entry($entry->unwrap);
127 sub as_xml { $_[0]->{atom}->as_xml }
129 package XML::Feed::Entry::Format::Atom;
132 use base qw( XML::Feed::Entry );
133 use XML::Atom::Util qw( iso2dt );
134 use XML::Feed::Content;
135 use XML::Atom::Entry;
136 use List::Util qw( first );
140 $entry->{entry} = XML::Atom::Entry->new(Version => 1.0);
144 sub format { 'Atom' }
146 sub title { shift->{entry}->title(@_) }
147 sub source { shift->{entry}->source(@_) }
148 sub updated { shift->{entry}->updated(@_) }
149 sub base { shift->{entry}->base(@_) }
154 $entry->{entry}->add_link({ rel => 'alternate', href => $_[0],
155 type => 'text/html', });
157 my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link;
158 $l ? $l->href : undef;
166 if (ref($_[0]) eq 'XML::Feed::Content') {
167 %param = (Body => $_[0]->body);
169 %param = (Body => $_[0]);
171 $entry->{entry}->summary(XML::Atom::Content->new(%param, Version => 1.0));
173 my $s = $entry->{entry}->summary;
174 # map Atom types to MIME types
175 my $type = ($s && ref($s) eq 'XML::Feed::Content') ? $s->type : undef;
177 $type = 'text/html' if $type eq 'xhtml' || $type eq 'html';
178 $type = 'text/plain' if $type eq 'text';
181 if (defined $s && ref($s) eq 'XML::Feed::Content') {
184 XML::Feed::Content->wrap({ type => $type,
190 'text/xhtml' => 'xhtml',
191 'text/html' => 'html',
192 'text/plain' => 'text',
201 if (ref($_[0]) eq 'XML::Feed::Content') {
202 $orig_body = $_[0]->body;
203 if (defined $_[0]->type && defined $types{$_[0]->type}) {
204 %param = (Body => $orig_body, Type => $types{$_[0]->type});
206 if ($param{'Type'} eq "html") {
207 $param{'Body'} = HTML::Entities::encode_entities($param{'Body'});
211 $base = $_[0]->base if defined $_[0]->base;
215 if (!exists($param{Body}))
217 $param{Body} = $orig_body;
219 $entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0));
220 # Assigning again so the type will be normalized. This seems to be
221 # an XML-Atom do-what-I-don't-meannery.
222 $entry->{entry}->content->body($orig_body);
223 $entry->{entry}->content->base($base) if defined $base;
225 my $c = $entry->{entry}->content;
227 # map Atom types to MIME types
228 my $type = $c ? $c->type : undef;
230 $type = 'text/html' if $type eq 'xhtml' || $type eq 'html';
231 $type = 'text/plain' if $type eq 'text';
234 XML::Feed::Content->wrap({ type => $type,
235 base => $c ? $c->base : undef,
236 body => $c ? $c->body : undef });
242 my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/');
244 $entry->{entry}->add_category({ term => $_ }) for @_;
249 my @category = ($entry->{entry}->can('categories')) ? $entry->{entry}->categories : $entry->{entry}->category;
250 my @return = @category
251 ? (map { $_->label || $_->term } @category)
252 : $entry->{entry}->getlist($ns, 'subject');
254 return wantarray? @return : $return[0];
261 my $person = XML::Atom::Person->new(Version => 1.0);
262 $person->name($_[0]);
263 $entry->{entry}->author($person);
265 $entry->{entry}->author ? $entry->{entry}->author->name : undef;
269 sub id { shift->{entry}->id(@_) }
274 $entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0];
276 $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef;
283 $entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0];
285 return iso2dt($entry->{entry}->modified) if $entry->{entry}->modified;
286 return iso2dt($entry->{entry}->updated) if $entry->{entry}->updated;
294 $entry->{entry}->lat($_[0]) if $_[0];
296 $entry->{entry}->lat;
303 $entry->{entry}->long($_[0]) if $_[0];
305 $entry->{entry}->long;
314 my $enclosure = shift;
315 my $method = ($XML::Feed::MULTIPLE_ENCLOSURES)? 'add_link' : 'link';
316 $entry->{entry}->$method({ rel => 'enclosure', href => $enclosure->{url},
317 length => $enclosure->{length},
318 type => $enclosure->{type} });
321 my @links = grep { defined $_->rel && $_->rel eq 'enclosure' } $entry->{entry}->link;
322 return unless @links;
323 my @encs = map { XML::Feed::Enclosure->new({ url => $_->href, length => $_->length, type => $_->type }) } @links ;
324 return ($XML::Feed::MULTIPLE_ENCLOSURES)? @encs : $encs[-1];