/**
* Parses and performs the (combined) os-data requests
*
* @param string $osDataRequests
*/
private function performDataRequests($osDataRequests)
{
//TODO check with the java implementation guys if they do a caching strategy here (same as with data-pipelining),
// would result in a much higher render performance..
libxml_use_internal_errors(true);
$this->doc = new DOMDocument(null, 'utf-8');
$this->doc->preserveWhiteSpace = true;
$this->doc->formatOutput = false;
$this->doc->strictErrorChecking = false;
$this->doc->recover = false;
$this->doc->resolveExternals = false;
if ($this->doc->loadXML($osDataRequests)) {
$dataPipeliningRequests = array();
// walk the one or multiple script tags, and build a combined request array
foreach ($this->doc->childNodes as $childNode) {
if ($childNode->tagName == 'script') {
$dataPipeliningRequests = array_merge($dataPipeliningRequests, DataPipelining::Parse($childNode));
}
}
// and perform the requests
if (count($dataPipeliningRequests)) {
$this->dataInserts = DataPipelining::fetch($dataPipeliningRequests, $this->context);
$this->addContextData($this->dataInserts);
}
} else {
echo "Error parsing os-data:\n" . XmlError::getErrors($osDataRequests);
}
}
