private def parseObject(obj: Node, currentPath: String): Either[ParseError,Seq[SensorData]] = {

    val eitherInfoVals: Seq[Either[ParseError, SensorData]] = for {
      infoitem <- obj \ "InfoItem"

      objId = obj \ "id"
      objName = infoitem \ "@name"
      objValue = infoitem \ "value"

      sensorDataEither <- for {
        path: String <- currentPath + "/" + (
          objId.headOption match {
            case Some( path_ ) => Right(path_.text)
            case None          =>
              Left( new ParseError( "Broken odf format. No id." ) )
          }
        ) + "/" +  objName.text

        value: String <- objValue.headOption match {
          case Some( value_ ) => Right(value_.text)
          case None           =>
            Left( new ParseError( "No value element found in infoitem." ) )
        }

        dateTimeAttr = infoitem \ "value" \ "@dateTime"
        dateTime: String <- dateTimeAttr.headOption match { // or Right(...getOrElse(""))
          case Some( value_ ) => Right(value_.text)
          case None           => Right("")
        }

        typeAttr = infoitem \ "value" \ "@type"
        typeOfInfo: String <- typeAttr.headOption match {
          case Some( value_ ) => Right(value_.text)
          case None           => Right("")
        }
      } yield new SensorData( path, value, dateTime )


    } yield sensorDataEither

    val obObjects = obj \ "Object"

    val eitherDeeperVals =
      for {
        subobj <- obObjects

        objId = obj \ "id"
        nextPath = currentPath + "/" + (
          objId.headOption match {
            case Some( path_ ) => Right(path_.text)
            case None          =>
              return Left( new ParseError( "Broken odf format. No id." ) )
          }
        )

      } yield parseObject(subobj, nextPath)


    val allData = eitherInfoVals ++ eitherDeeperVals.flatten

    val rightData = allData.map(
      _ match {
        case Left(err) => return Left(err)
        case Right(r)  => r
      }
    )

    return Right(rightData)
  }