/**
* @see Loadable::load
* @param string $source
* @param string $contentType
* @param array|\Traversable|Options $options
* @return Document|Result|NULL
*/
public function load($source, $contentType, $options = [])
{
if ($this->supports($contentType) && !empty($source)) {
$dom = new Document();
$dom->preserveWhiteSpace = FALSE;
$dom->registerNamespace('jx', self::XMLNS_JSONX);
if ($this->startsWith($source, '<')) {
$dom->loadXML($source);
} else {
$dom->load($source);
}
$target = new Document();
$target->registerNamespace('json', self::XMLNS_JSONDOM);
if (isset($dom->documentElement)) {
$this->transferNode($dom->documentElement, $target);
}
return $target;
}
return NULL;
}
