protected function buildPropfindRequest($properties)
{
$xml = '<?xml version="1.0" encoding="UTF-8"?>' . '<D:propfind xmlns:D="DAV:" xmlns:dcr="http://www.day.com/jcr/webdav/1.0"><D:prop>';
if (!is_array($properties)) {
$properties = array($properties);
}
foreach ($properties as $property) {
$xml .= '<' . $property . '/>';
}
$xml .= '</D:prop></D:propfind>';
return $xml;
}