/**
* @param string $xml
* @param string $xsdPath
* @param string $xslPath
* @return bool:string false if failed, xml text if succeed
*/
public static function transformXmlData($xml, $xsdPath, $xslPath)
{
$from = new KDOMDocument();
$from->loadXML($xml);
$xsl = new KDOMDocument();
$xsl->load($xslPath);
$proc = new XSLTProcessor();
$proc->importStyleSheet($xsl);
$output = $proc->transformToXML($from);
$to = new KDOMDocument();
$to->loadXML($output);
if (!$to->schemaValidate($xsdPath)) {
return false;
}
return $output;
}
/**
* @param array<CuePoint> $cuePoints
* @return string xml
*/
public static function generateXml(array $cuePoints)
{
$schemaType = CuePointPlugin::getApiValue(CuePointSchemaType::SERVE_API);
$xsdUrl = "http://" . kConf::get('cdn_host') . "/api_v3/service/schema/action/serve/type/{$schemaType}";
$scenes = new SimpleXMLElement('<scenes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="' . $xsdUrl . '" />');
$pluginInstances = KalturaPluginManager::getPluginInstances('IKalturaCuePointXmlParser');
foreach ($cuePoints as $cuePoint) {
$scene = null;
foreach ($pluginInstances as $pluginInstance) {
$scene = $pluginInstance->generateXml($cuePoint, $scenes, $scene);
}
}
$xmlContent = $scenes->asXML();
$xml = new KDOMDocument();
libxml_use_internal_errors(true);
libxml_clear_errors();
if (!$xml->loadXML($xmlContent)) {
$errorMessage = kXml::getLibXmlErrorDescription($xmlContent);
throw new kCuePointException("XML is invalid:\n{$errorMessage}", kCuePointException::XML_INVALID);
}
$xsdPath = SchemaService::getSchemaPath($schemaType);
libxml_clear_errors();
if (!$xml->schemaValidate($xsdPath)) {
$errorMessage = kXml::getLibXmlErrorDescription($xmlContent);
throw new kCuePointException("XML is invalid:\n{$errorMessage}", kCuePointException::XML_INVALID);
}
return $xmlContent;
}
/**
* Validates that the xml is valid using the XSD
*@return bool - if the validation is ok
*/
protected function validate()
{
if (!file_exists($this->data->filePath)) {
throw new KalturaBatchException("File doesn't exist [{$this->data->filePath}]", KalturaBatchJobAppErrors::BULK_FILE_NOT_FOUND);
}
libxml_use_internal_errors(true);
$this->loadXslt();
$xdoc = new KDOMDocument();
$xmlContent = $this->xslTransform($this->data->filePath);
libxml_clear_errors();
if (!$xdoc->loadXML($xmlContent)) {
$errorMessage = kXml::getLibXmlErrorDescription($xmlContent);
KalturaLog::debug("Could not load xml");
throw new KalturaBatchException("Could not load xml [{$this->job->id}], {$errorMessage}", KalturaBatchJobAppErrors::BULK_VALIDATION_FAILED);
}
//Validate the XML file against the schema
libxml_clear_errors();
if (!$xdoc->schemaValidate($this->xsdFilePath)) {
$errorMessage = kXml::getLibXmlErrorDescription($xmlContent);
KalturaLog::debug("XML is invalid:\n{$errorMessage}");
throw new KalturaBatchException("Validate files failed on job [{$this->job->id}], {$errorMessage}", KalturaBatchJobAppErrors::BULK_VALIDATION_FAILED);
}
return true;
}
