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package XML::Feed::Entry::Format::Atom;
use strict;
use warnings;
our $VERSION = '0.52';
use base qw( XML::Feed::Entry );
use XML::Atom::Util qw( iso2dt );
use XML::Feed::Content;
use XML::Atom::Entry;
use List::Util qw( first );
sub init_empty {
my $entry = shift;
$entry->{entry} = XML::Atom::Entry->new(Version => 1.0);
1;
}
sub format { 'Atom' }
sub title { shift->{entry}->title(@_) }
sub source { shift->{entry}->source(@_) }
sub updated { shift->{entry}->updated(@_) }
sub base { shift->{entry}->base(@_) }
sub link {
my $entry = shift;
if (@_) {
$entry->{entry}->add_link({ rel => 'alternate', href => $_[0],
type => 'text/html', });
} else {
my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link;
$l ? $l->href : undef;
}
}
sub summary {
my $entry = shift;
if (@_) {
my %param;
if (ref($_[0]) eq 'XML::Feed::Content') {
%param = (Body => $_[0]->body);
} else {
%param = (Body => $_[0]);
}
$entry->{entry}->summary(XML::Atom::Content->new(%param, Version => 1.0));
} else {
my $s = $entry->{entry}->summary;
# map Atom types to MIME types
my $type = ($s && ref($s) eq 'XML::Feed::Content') ? $s->type : undef;
if ($type) {
$type = 'text/html' if $type eq 'xhtml' || $type eq 'html';
$type = 'text/plain' if $type eq 'text';
}
my $body = $s;
if (defined $s && ref($s) eq 'XML::Feed::Content') {
$body = $s->body;
}
XML::Feed::Content->wrap({ type => $type,
body => $body });
}
}
my %types = (
'text/xhtml' => 'xhtml',
'text/html' => 'html',
'text/plain' => 'text',
);
sub content {
my $entry = shift;
if (@_) {
my %param;
my $base;
my $orig_body;
if (ref($_[0]) eq 'XML::Feed::Content') {
$orig_body = $_[0]->body;
if (defined $_[0]->type && defined $types{$_[0]->type}) {
%param = (Body => $orig_body, Type => $types{$_[0]->type});
if ($param{'Type'} eq "html") {
$param{'Body'} = HTML::Entities::encode_entities($param{'Body'});
}
} else {
}
$base = $_[0]->base if defined $_[0]->base;
} else {
$orig_body = $_[0];
}
if (!exists($param{Body}))
{
$param{Body} = $orig_body;
}
$entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0));
# Assigning again so the type will be normalized. This seems to be
# an XML-Atom do-what-I-don't-meannery.
$entry->{entry}->content->body($orig_body);
$entry->{entry}->content->base($base) if defined $base;
} else {
my $c = $entry->{entry}->content;
# map Atom types to MIME types
my $type = $c ? $c->type : undef;
if ($type) {
$type = 'text/html' if $type eq 'xhtml' || $type eq 'html';
$type = 'text/plain' if $type eq 'text';
}
XML::Feed::Content->wrap({ type => $type,
base => $c ? $c->base : undef,
body => $c ? $c->body : undef });
}
}
sub category {
my $entry = shift;
my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/');
if (@_) {
$entry->{entry}->add_category({ term => $_ }) for @_;
return 1
} else {
my @category = ($entry->{entry}->can('categories')) ? $entry->{entry}->categories : $entry->{entry}->category;
my @return = @category
? (map { $_->label || $_->term } @category)
: $entry->{entry}->getlist($ns, 'subject');
return wantarray? @return : $return[0];
}
}
sub author {
my $entry = shift;
if (@_ && $_[0]) {
my $person = XML::Atom::Person->new(Version => 1.0);
$person->name($_[0]);
$entry->{entry}->author($person);
} else {
$entry->{entry}->author ? $entry->{entry}->author->name : undef;
}
}
sub id { shift->{entry}->id(@_) }
sub issued {
my $entry = shift;
if (@_) {
$entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0];
} else {
return iso2dt($entry->{entry}->issued)
if $entry->{entry}->issued;
return iso2dt($entry->{entry}->published)
if $entry->{entry}->published;
return undef;
}
}
sub modified {
my $entry = shift;
if (@_) {
$entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0];
} else {
return iso2dt($entry->{entry}->modified) if $entry->{entry}->modified;
return iso2dt($entry->{entry}->updated) if $entry->{entry}->updated;
return undef;
}
}
sub lat {
my $entry = shift;
if (@_) {
$entry->{entry}->lat($_[0]) if $_[0];
} else {
$entry->{entry}->lat;
}
}
sub long {
my $entry = shift;
if (@_) {
$entry->{entry}->long($_[0]) if $_[0];
} else {
$entry->{entry}->long;
}
}
sub enclosure {
my $entry = shift;
if (@_) {
my $enclosure = shift;
my $method = ($XML::Feed::MULTIPLE_ENCLOSURES)? 'add_link' : 'link';
$entry->{entry}->$method({ rel => 'enclosure', href => $enclosure->{url},
length => $enclosure->{length},
type => $enclosure->{type} });
return 1;
} else {
my @links = grep { defined $_->rel && $_->rel eq 'enclosure' } $entry->{entry}->link;
return unless @links;
my @encs = map { XML::Feed::Enclosure->new({ url => $_->href, length => $_->length, type => $_->type }) } @links ;
return ($XML::Feed::MULTIPLE_ENCLOSURES)? @encs : $encs[-1];
}
}
1;
|
