CDavAddressbookBase::IsAddressData

private function IsAddressData(CDavRequest $request)
{
	$requestDocument = $request->GetXmlDocument();
	$isAddressData = (count($requestDocument->GetPath('/*/DAV::allprop')) > 0);
	if (!$isAddressData || $requestDocument->GetRoot()->GetXmlns() != CDavGroupDav::CARDDAV)
	{
		$arProp = $requestDocument->GetPath('/*/DAV::prop/*');
		foreach ($arProp as $prop)
		{
			if ($prop->GetTag() == 'address-data')
			{
				$isAddressData = true;
				break;
			}
		}
	}
	return $isAddressData;
}