/**
* Instantiates an Opus_Model from xml as delivered by the toXml() method.
*
* @param DomDocument|string $xml The xml representing the model.
* @param Opus_Model_Xml $customDeserializer (Optional) Specify a custom deserializer object.
* @return Opus_Model_Abstract The Opus_Model derived from xml.
*/
public static function fromXml($xml, Opus_Model_Xml $customDeserializer = null)
{
if (is_null($customDeserializer)) {
$customDeserializer = new Opus_Model_Xml();
}
if ($xml instanceof DomDocument) {
$customDeserializer->setDomDocument($xml);
} else {
if (is_string($xml)) {
$customDeserializer->setXml($xml);
} else {
throw new Opus_Model_Exception('Either DomDocument or xml string must be passed.');
}
}
return $customDeserializer->getModel();
}
