/**
  * Gets Structure Non Scalar field from XML RPC Value parameter
  *
  * @access private
  *
  * @param structure &$oStructure  to return data
  * @param XML_RPC_Value $oStructParam
  * @param string $fieldName
  * @param XML_RPC_Response &$responseWithError
  *
  * @return boolean  shows true if method was executed successfully
  */
 function _getStructureNonScalarField(&$oStructure, &$oStructParam, $fieldName, &$oResponseWithError)
 {
     $oParam = $oStructParam->structmem($fieldName);
     if (isset($oParam)) {
         if ($oParam->kindOf() != 'scalar') {
             return XmlRpcUtils::_getNonScalarValue($oStructure->{$fieldName}, $oParam, $oResponseWithError);
         } else {
             $oResponseWithError = XmlRpcUtils::generateError('Structure field \'' . $fieldName . '\' should be non-scalar type ');
             return false;
         }
     } else {
         return true;
     }
 }