[catagits/XML-Feed.git] / lib / XML / Feed / Format / Atom.pm

# $Id: Atom.pm 1958 2006-08-14 05:31:27Z btrott $

package XML::Feed::Format::Atom;
use strict;

use base qw( XML::Feed );
use XML::Atom::Feed;
use XML::Atom::Util qw( iso2dt );
use List::Util qw( first );
use DateTime::Format::W3CDTF;

use XML::Atom::Entry;
XML::Atom::Entry->mk_elem_accessors(qw( lat long ), ['http://www.w3.org/2003/01/geo/wgs84_pos#']);

use XML::Atom::Content;

sub init_empty {
    my ($feed, %args) = @_;
    $args{'Version'} ||= '1.0';
    
    $feed->{atom} = XML::Atom::Feed->new(%args);
    $feed;
}

# monkey patch
{
    my $sub =  sub {
        my $item = shift;
        if (XML::Atom::LIBXML) {
            my $elem = $item->elem;
            if (@_) {
                $elem->setAttributeNS('http://www.w3.org/XML/1998/namespace',
                    'base', $_[0]);
            }
            return $elem->getAttributeNS('http://www.w3.org/XML/1998/namespace', 'base');
        } else {
            if (@_) {
                $item->elem->setAttribute('xml:base', $_[0]);
            }
            return $item->elem->getAttribute('xml:base');
        }

    };
    no strict 'refs';
    *XML::Atom::Feed::base    = $sub unless XML::Atom::Feed->can('base');
    *XML::Atom::Entry::base   = $sub unless XML::Atom::Entry->can('base');
    *XML::Atom::Content::base = $sub unless XML::Atom::Content->can('base');
}

sub init_string {
    my $feed = shift;
    my($str) = @_;
    if ($str) {
        $feed->{atom} = XML::Atom::Feed->new(Stream => $str)
            or return $feed->error(XML::Atom::Feed->errstr);
    }
    $feed;
}

sub format { 'Atom' }

sub title { shift->{atom}->title(@_) }
sub link {
    my $feed = shift;
    if (@_) {
        $feed->{atom}->add_link({ rel => 'alternate', href => $_[0],
                                  type => 'text/html', });
    } else {
        my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $feed->{atom}->link;
        $l ? $l->href : undef;
    }
}

sub self_link {
    my $feed = shift;
    if (@_) {
        my $uri = shift;
        $feed->{atom}->add_link({type => "application/atom+xml", rel => "self", href => $uri});
        return $uri;
    } 
    else
    {
        my $l =
            first
            { !defined $_->rel || $_->rel eq 'self' }
            $feed->{atom}->link;
            ;

        return $l ? $l->href : undef;
    }
}

sub description { shift->{atom}->tagline(@_) }
sub copyright   { shift->{atom}->copyright(@_) }
sub language    { shift->{atom}->language(@_) }
sub generator   { shift->{atom}->generator(@_) }
sub id          { shift->{atom}->id(@_) }
sub updated     { shift->{atom}->updated(@_) }
sub add_link    { shift->{atom}->add_link(@_) }
sub base        { shift->{atom}->base(@_) }

sub author {
    my $feed = shift;
    if (@_ && $_[0]) {
        my $person = XML::Atom::Person->new(Version => 1.0);
        $person->name($_[0]);
        $feed->{atom}->author($person);
    } else {
        $feed->{atom}->author ? $feed->{atom}->author->name : undef;
    }
}


sub modified {
    my $feed = shift;
    if (@_) {
        $feed->{atom}->modified(DateTime::Format::W3CDTF->format_datetime($_[0]));
    } else {
        return iso2dt($feed->{atom}->modified) if $feed->{atom}->modified;
        return iso2dt($feed->{atom}->updated)  if $feed->{atom}->updated;
        return undef;
    }
}

sub entries {
    my @entries;
    for my $entry ($_[0]->{atom}->entries) {
        push @entries, XML::Feed::Entry::Format::Atom->wrap($entry);
    }

    @entries;
}

sub add_entry {
    my $feed  = shift;
    my $entry = shift || return;
    $entry    = $feed->_convert_entry($entry);
    $feed->{atom}->add_entry($entry->unwrap);
}

sub as_xml { $_[0]->{atom}->as_xml }

package XML::Feed::Entry::Format::Atom;
use strict;

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 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 $base;
        if (ref($_[0]) eq 'XML::Feed::Content') {
			if (defined $_[0]->type && defined $types{$_[0]->type}) {
	            %param = (Body => $_[0]->body, Type => $types{$_[0]->type});
			} else {
	            %param = (Body => $_[0]->body);
			}
            $base = $_[0]->base if defined $_[0]->base;
        } else {
            %param = (Body => $_[0]);
        }
        $entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0));
        $entry->{entry}->content->base($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 => $_[0] });
    } else {
        my $category = $entry->{entry}->category;
        my @return = $category ? ($category->label || $category->term) : $entry->{entry}->getlist($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 {
        $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : 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;
    }
}

1;
Commit	Line	Data
c4d4c98e	1	# $Id: Atom.pm 1958 2006-08-14 05:31:27Z btrott $
0d5e38d1	2
729cd7a8	3	package XML::Feed::Format::Atom;
0d5e38d1	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;
0d5e38d1	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;
5383a560	16
973e1f9e	17	sub init_empty {
4e9c4625	18	my ($feed, %args) = @_;
	19	$args{'Version'} \|\|= '1.0';
	20
	21	$feed->{atom} = XML::Atom::Feed->new(%args);
973e1f9e	22	$feed;
	23	}
	24
5383a560	25	# monkey patch
	26	{
	27	my $sub = sub {
	28	my $item = shift;
	29	if (XML::Atom::LIBXML) {
	30	my $elem = $item->elem;
	31	if (@_) {
	32	$elem->setAttributeNS('http://www.w3.org/XML/1998/namespace',
	33	'base', $_[0]);
	34	}
	35	return $elem->getAttributeNS('http://www.w3.org/XML/1998/namespace', 'base');
	36	} else {
	37	if (@_) {
	38	$item->elem->setAttribute('xml:base', $_[0]);
	39	}
	40	return $item->elem->getAttribute('xml:base');
	41	}
	42
	43	};
	44	no strict 'refs';
	45	*XML::Atom::Feed::base = $sub unless XML::Atom::Feed->can('base');
	46	*XML::Atom::Entry::base = $sub unless XML::Atom::Entry->can('base');
	47	*XML::Atom::Content::base = $sub unless XML::Atom::Content->can('base');
	48	}
	49
0d5e38d1	50	sub init_string {
	51	my $feed = shift;
	52	my($str) = @_;
fe71566d	53	if ($str) {
	54	$feed->{atom} = XML::Atom::Feed->new(Stream => $str)
	55	or return $feed->error(XML::Atom::Feed->errstr);
	56	}
0d5e38d1	57	$feed;
	58	}
	59
	60	sub format { 'Atom' }
	61
973e1f9e	62	sub title { shift->{atom}->title(@_) }
0d5e38d1	63	sub link {
973e1f9e	64	my $feed = shift;
	65	if (@_) {
	66	$feed->{atom}->add_link({ rel => 'alternate', href => $_[0],
	67	type => 'text/html', });
	68	} else {
4679cf3f	69	my $l = first { !defined $_->rel \|\| $_->rel eq 'alternate' } $feed->{atom}->link;
973e1f9e	70	$l ? $l->href : undef;
	71	}
	72	}
9a36f82c	73
	74	sub self_link {
	75	my $feed = shift;
	76	if (@_) {
	77	my $uri = shift;
	78	$feed->{atom}->add_link({type => "application/atom+xml", rel => "self", href => $uri});
	79	return $uri;
	80	}
	81	else
	82	{
	83	my $l =
	84	first
	85	{ !defined $_->rel \|\| $_->rel eq 'self' }
	86	$feed->{atom}->link;
	87	;
	88
	89	return $l ? $l->href : undef;
	90	}
	91	}
	92
973e1f9e	93	sub description { shift->{atom}->tagline(@_) }
	94	sub copyright { shift->{atom}->copyright(@_) }
	95	sub language { shift->{atom}->language(@_) }
	96	sub generator { shift->{atom}->generator(@_) }
e8fcbc5b	97	sub id { shift->{atom}->id(@_) }
	98	sub updated { shift->{atom}->updated(@_) }
	99	sub add_link { shift->{atom}->add_link(@_) }
5383a560	100	sub base { shift->{atom}->base(@_) }
973e1f9e	101
	102	sub author {
	103	my $feed = shift;
	104	if (@_ && $_[0]) {
c4d4c98e	105	my $person = XML::Atom::Person->new(Version => 1.0);
973e1f9e	106	$person->name($_[0]);
	107	$feed->{atom}->author($person);
	108	} else {
	109	$feed->{atom}->author ? $feed->{atom}->author->name : undef;
	110	}
	111	}
	112
5383a560	113
	114
	115
973e1f9e	116	sub modified {
	117	my $feed = shift;
	118	if (@_) {
ecac864a	119	$feed->{atom}->modified(DateTime::Format::W3CDTF->format_datetime($_[0]));
973e1f9e	120	} else {
1ee56ab5	121	return iso2dt($feed->{atom}->modified) if $feed->{atom}->modified;
	122	return iso2dt($feed->{atom}->updated) if $feed->{atom}->updated;
	123	return undef;
973e1f9e	124	}
0d5e38d1	125	}
0d5e38d1	126
c4d4c98e	127	sub entries {
0d5e38d1	128	my @entries;
0d5e38d1	129	for my $entry ($_[0]->{atom}->entries) {
729cd7a8	130	push @entries, XML::Feed::Entry::Format::Atom->wrap($entry);
0d5e38d1	131	}
c4d4c98e	132
0d5e38d1	133	@entries;
	134	}
	135
973e1f9e	136	sub add_entry {
33d4cb3f	137	my $feed = shift;
	138	my $entry = shift \|\| return;
	139	$entry = $feed->_convert_entry($entry);
973e1f9e	140	$feed->{atom}->add_entry($entry->unwrap);
	141	}
	142
	143	sub as_xml { $_[0]->{atom}->as_xml }
	144
729cd7a8	145	package XML::Feed::Entry::Format::Atom;
0d5e38d1	146	use strict;
	147
	148	use base qw( XML::Feed::Entry );
	149	use XML::Atom::Util qw( iso2dt );
a749d9b9	150	use XML::Feed::Content;
973e1f9e	151	use XML::Atom::Entry;
0d5e38d1	152	use List::Util qw( first );
0d5e38d1	153
973e1f9e	154	sub init_empty {
973e1f9e	155	my $entry = shift;
c4d4c98e	156	$entry->{entry} = XML::Atom::Entry->new(Version => 1.0);
973e1f9e	157	1;
	158	}
	159
	160	sub title { shift->{entry}->title(@_) }
e8fcbc5b	161	sub source { shift->{entry}->source(@_) }
e8fcbc5b	162	sub updated { shift->{entry}->updated(@_) }
5383a560	163	sub base { shift->{entry}->base(@_) }
e8fcbc5b	164
0d5e38d1	165	sub link {
973e1f9e	166	my $entry = shift;
	167	if (@_) {
	168	$entry->{entry}->add_link({ rel => 'alternate', href => $_[0],
	169	type => 'text/html', });
	170	} else {
4679cf3f	171	my $l = first { !defined $_->rel \|\| $_->rel eq 'alternate' } $entry->{entry}->link;
973e1f9e	172	$l ? $l->href : undef;
973e1f9e	173	}
0d5e38d1	174	}
a749d9b9	175
a749d9b9	176	sub summary {
973e1f9e	177	my $entry = shift;
973e1f9e	178	if (@_) {
ac9492d2	179	my %param;
	180	if (ref($_[0]) eq 'XML::Feed::Content') {
	181	%param = (Body => $_[0]->body);
	182	} else {
	183	%param = (Body => $_[0]);
	184	}
	185	$entry->{entry}->summary(XML::Atom::Content->new(%param, Version => 1.0));
973e1f9e	186	} else {
ac9492d2	187	my $s = $entry->{entry}->summary;
	188	# map Atom types to MIME types
	189	my $type = ($s && ref($s) eq 'XML::Feed::Content') ? $s->type : undef;
	190	if ($type) {
	191	$type = 'text/html' if $type eq 'xhtml' \|\| $type eq 'html';
	192	$type = 'text/plain' if $type eq 'text';
	193	}
	194	my $body = $s;
	195	if (defined $s && ref($s) eq 'XML::Feed::Content') {
	196	$body = $s->body;
	197	}
	198	XML::Feed::Content->wrap({ type => $type,
	199	body => $body });
973e1f9e	200	}
a749d9b9	201	}
a749d9b9	202
4f413435	203	my %types = (
	204	'text/xhtml' => 'xhtml',
	205	'text/html' => 'html',
	206	'text/plain' => 'text',
	207	);
	208
a749d9b9	209	sub content {
973e1f9e	210	my $entry = shift;
	211	if (@_) {
	212	my %param;
5383a560	213	my $base;
973e1f9e	214	if (ref($_[0]) eq 'XML::Feed::Content') {
4f413435	215	if (defined $_[0]->type && defined $types{$_[0]->type}) {
	216	%param = (Body => $_[0]->body, Type => $types{$_[0]->type});
	217	} else {
	218	%param = (Body => $_[0]->body);
	219	}
5383a560	220	$base = $_[0]->base if defined $_[0]->base;
973e1f9e	221	} else {
c4d4c98e	222	%param = (Body => $_[0]);
973e1f9e	223	}
c4d4c98e	224	$entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0));
5383a560	225	$entry->{entry}->content->base($base) if defined $base;
973e1f9e	226	} else {
973e1f9e	227	my $c = $entry->{entry}->content;
c4d4c98e	228
	229	# map Atom types to MIME types
	230	my $type = $c ? $c->type : undef;
	231	if ($type) {
	232	$type = 'text/html' if $type eq 'xhtml' \|\| $type eq 'html';
	233	$type = 'text/plain' if $type eq 'text';
	234	}
	235
	236	XML::Feed::Content->wrap({ type => $type,
5383a560	237	base => $c ? $c->base : undef,
973e1f9e	238	body => $c ? $c->body : undef });
973e1f9e	239	}
a749d9b9	240	}
0d5e38d1	241
0d5e38d1	242	sub category {
973e1f9e	243	my $entry = shift;
0d5e38d1	244	my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/');
973e1f9e	245	if (@_) {
c4d4c98e	246	$entry->{entry}->add_category({ term => $_[0] });
973e1f9e	247	} else {
c4d4c98e	248	my $category = $entry->{entry}->category;
bf34c07e	249	my @return = $category ? ($category->label \|\| $category->term) : $entry->{entry}->getlist($ns, 'subject');
bf34c07e	250	return wantarray? @return : $return[0];
973e1f9e	251	}
	252	}
	253
	254	sub author {
	255	my $entry = shift;
	256	if (@_ && $_[0]) {
c4d4c98e	257	my $person = XML::Atom::Person->new(Version => 1.0);
973e1f9e	258	$person->name($_[0]);
	259	$entry->{entry}->author($person);
	260	} else {
	261	$entry->{entry}->author ? $entry->{entry}->author->name : undef;
	262	}
	263	}
	264
	265	sub id { shift->{entry}->id(@_) }
	266
	267	sub issued {
	268	my $entry = shift;
	269	if (@_) {
ecac864a	270	$entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0];
973e1f9e	271	} else {
	272	$entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef;
	273	}
0d5e38d1	274	}
0d5e38d1	275
973e1f9e	276	sub modified {
	277	my $entry = shift;
	278	if (@_) {
ecac864a	279	$entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0];
973e1f9e	280	} else {
1ee56ab5	281	return iso2dt($entry->{entry}->modified) if $entry->{entry}->modified;
	282	return iso2dt($entry->{entry}->updated) if $entry->{entry}->updated;
	283	return undef;
973e1f9e	284	}
973e1f9e	285	}
0d5e38d1	286
9a36f82c	287	sub lat {
	288	my $entry = shift;
	289	if (@_) {
	290	$entry->{entry}->lat($_[0]) if $_[0];
	291	} else {
	292	$entry->{entry}->lat;
	293	}
	294	}
	295
	296	sub long {
	297	my $entry = shift;
	298	if (@_) {
	299	$entry->{entry}->long($_[0]) if $_[0];
	300	} else {
	301	$entry->{entry}->long;
	302	}
	303	}
	304
0d5e38d1	305	1;