public IEnumerator performAction()
    {
        UnityWebRequest www;

        www = UnityWebRequest.Get(requestURL);

        yield return(www.Send());

        while (!www.isDone)
        {
            Debug.LogError(".");
            yield return(null);
        }

        if (www.isError)
        {
            Debug.Log(www.error);
        }
        else
        {
            string temp = www.downloadHandler.text;
#if WINDOWS_UWP
            DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(CoffeeMachineResponseFormat));

            MemoryStream ms     = new MemoryStream();
            StreamWriter writer = new StreamWriter(ms);
            writer.Write(temp);
            writer.Flush();
            ms.Position = 0;
            //get status from json answer
            CoffeeMachineResponseFormat r = (CoffeeMachineResponseFormat)ser.ReadObject(ms);
            getResponse = r;
#endif

            String status = "";

            if (getResponse.status.ready)
            {
                status = "Waiting";
            }
            else
            {
                status = "Brewing";
            }

            string waterLevel = "";

            switch (getResponse.sensors.waterlevel)
            {
            case 0:
                waterLevel = "empty";
                break;

            case 1:
                waterLevel = "low";
                break;

            case 2:
                waterLevel = "half-full";
                break;

            case 3:
                waterLevel = "full";
                break;

            default: waterLevel = getResponse.sensors.waterlevel.ToString();
                break;
            }

            ItemManager.getInstance().updateItem(Settings.CoffeeMachine, Settings.CoffeeMachine, status, getResponse.appliance.model);
            CoffeeMachineActuator cma = (CoffeeMachineActuator)ItemManager.getInstance().getItem(Settings.CoffeeMachine);
            cma.setWaterLevel(waterLevel);
        }
    }
 public CoffeemachineGETStatusRequest(string requestURL)
 {
     this.requestURL  = requestURL;
     this.getResponse = new CoffeeMachineResponseFormat();
 }