File Coverage

blib/lib/ODO/RDFS/Literal.pm

Criterion	Covered	Total	%
statement	24	62	38.7
branch	0	10	0.0
condition	0	3	0.0
subroutine	8	13	61.5
pod	2	4	50.0
total	34	92	36.9

package ODO::RDFS::Literal;

use strict;
use warnings;
use vars qw( @ISA );
use vars qw /$VERSION/;
$VERSION = sprintf "%d.%02d", q$Revision: 1.3 $ =~ /: (\d+)\.(\d+)/;
use ODO;
use ODO::Query::Simple;
use ODO::Statement::Group;
use ODO::RDFS::Resource;

@ISA = (  'ODO::RDFS::Resource', );

#
# Description: The class of literal values, eg. textual strings and integers.
#
# Schema URI: http://www.w3.org/2000/01/rdf-schema#
#
sub new {
	my $self = shift;
	my ($resource, $graph, %properties) = @_;

	$self = $self->SUPER::new(@_);

	return undef
		unless(ref $self);

	$self->propertyContainerName( 'ODO::RDFS::Literal::PropertiesContainer' );
	$self->properties(bless {}, 'ODO::RDFS::Literal::PropertiesContainer');

	$self->properties()->{'parent'} = $self;


	return $self;
}

sub queryString {
	return '(?subj, rdf:type, )';
}

sub objectURI {
	return 'http://www.w3.org/2000/01/rdf-schema#Literal';
}

sub value {
	my $self = shift;

	return $self->subject()
		if(UNIVERSAL::isa($self->subject(), 'ODO::Node::Literal'));

	return $self->__to_statement_array();
}

sub __to_statement_array {
	my $self = shift;

	my $statements = [];

	foreach my $my_super (@ISA) {

		next
			unless(UNIVERSAL::can($my_super, '__to_statement_array'));

		my $super_func = "${my_super}::__to_statement_array";
		push @{ $statements }, @{ $self->$super_func() };
	}

	my %properties = (''=> '',);

	foreach my $propertyName (keys(%properties)) {

		next
			unless($propertyName && $propertyName ne '');

		my $property = $self->properties()->$propertyName();

		foreach my $p (@{ $property }) {
			my $p_value = $p->value();

			my $property_uri = ODO::Node::Resource->new($properties{$propertyName}->objectURI() );
			if(UNIVERSAL::isa($p_value, 'ODO::Node::Literal')) {
				push @{ $statements }, ODO::Statement->new($self->subject(), $property_uri, $p_value);
			}
			else {
				push @{ $statements }, ODO::Statement->new($self->subject(), $property_uri, $p->subject());
				push @{ $statements }, @{ $p_value };
			}
		}
	}

	return $statements;
}

1;