@Override
  public void messageArrived(String topic, MqttMessage mqttMessage) throws Exception {
    if (topic.equals("Likaci/MqttMap")) {
      String msg = new String(mqttMessage.getPayload());
      JSONObject json = new JSONObject(msg);
      if (!json.getString("id").equals(id)) {
        Point p =
            (Point)
                GeometryEngine.project(
                    new Point(json.getDouble("x"), json.getDouble("y")),
                    SpatialReference.create(4326),
                    SpatialReference.create(3857));

        layer.removeAll();

        SimpleMarkerSymbol markerSymbol =
            new SimpleMarkerSymbol(
                Color.parseColor("#763382"), 15, SimpleMarkerSymbol.STYLE.DIAMOND);
        layer.addGraphic(new Graphic(p, markerSymbol));

        TextSymbol textSymbol =
            new TextSymbol(
                15,
                json.getString("id"),
                Color.parseColor("#763382"),
                TextSymbol.HorizontalAlignment.CENTER,
                TextSymbol.VerticalAlignment.MIDDLE);
        textSymbol.setOffsetY(-15);
        layer.addGraphic(new Graphic(p, textSymbol));
      }
    }
  }
Beispiel #2
0
 private void processSetGet(String namePart, MqttMessage msg, boolean set) {
   if (msg.isRetained()) {
     L.finer("Ignoring retained message " + msg + " to " + namePart);
     return;
   }
   // Now translate the topic into a group address
   GroupAddressInfo gai = GroupAddressManager.getGAInfoForName(namePart);
   if (gai == null) {
     L.warning(
         "Unable to translate name "
             + namePart
             + " into a group address, ignoring message "
             + msg);
     return;
   }
   L.fine("Name " + namePart + " translates to GA " + gai.address);
   String data = new String(msg.getPayload(), StandardCharsets.UTF_8);
   if (set) KNXConnector.doGroupWrite(gai.address, data, gai);
   else KNXConnector.doGroupRead(gai.address, data, gai);
 }