public function execute(array &$param_pool = null)
{
$result = new XMLElement($this->dsParamROOTELEMENT);
try {
$result = parent::execute($param_pool);
} catch (FrontendPageNotFoundException $e) {
// Work around. This ensures the 404 page is displayed and
// is not picked up by the default catch() statement below
FrontendPageNotFoundExceptionHandler::render($e);
} catch (Exception $e) {
$result->appendChild(new XMLElement('error', $e->getMessage() . ' on ' . $e->getLine() . ' of file ' . $e->getFile()));
return $result;
}
if ($this->_force_empty_result) {
$result = $this->emptyXMLSet();
}
return $result;
}
<?php
$navigationDS = new NavigationDatasource(array(), false);
$classParams = get_object_vars($this);
foreach ($classParams as $key => $value) {
$navigationDS->{$key} = $value;
}
$result = $navigationDS->execute($param_pool);
return $result;