/**
* @param string $uri URI of the new named node.
* @return NamedNode
*/
public function createNamedNode($uri)
{
if ($uri === null) {
throw new \Exception('Can\'t initialize node with null.');
}
if (!NodeUtils::simpleCheckURI($uri)) {
throw new \Exception('Invalid URI was given for RDF NamedNode creation.');
}
// TODO catch invalid URIs
$world = librdf_php_get_world();
$uri = librdf_new_uri($world, $uri);
$redlandNode = librdf_new_node_from_uri($world, $uri);
if ($redlandNode === null) {
throw new \Exception('Initialization of redland node failed.');
}
return new NamedNode($redlandNode);
}
/**
* Create a new URINode from a URI object.
*
* @param mixed $uri The URI string or librdf_node value to use
* @return void
* @throws LibRDF_Error If unable to create a new URI
* @access public
*/
public function __construct($uri)
{
if (is_string($uri)) {
$uri = new LibRDF_URI($uri);
$this->node = librdf_new_node_from_uri(librdf_php_get_world(), $uri->getURI());
} elseif (is_resource($uri) and librdf_node_is_resource($uri)) {
$this->node = $uri;
} else {
throw new LibRDF_Error("Argument is not a string or \n librdf_node resource");
}
if (!$this->node) {
throw new LibRDF_Error("Unable to create new URI node");
}
}
