/**
* Updates the VCard-formatted object
*
* @param string $cardData
* @return string|null
*/
public function put($cardData)
{
if (is_resource($cardData)) {
$cardData = stream_get_contents($cardData);
}
// Converting to UTF-8, if needed
$cardData = DAV\StringUtil::ensureUTF8($cardData);
$etag = $this->carddavBackend->updateCard($this->addressBookInfo['id'], $this->cardData['uri'], $cardData);
$this->cardData['carddata'] = $cardData;
$this->cardData['etag'] = $etag;
return $etag;
}
