private void doPublish(
String name,
Object val,
String src,
String dpt,
String textual,
long updateTime,
long lastChange) {
JsonObject jso = new JsonObject();
jso.add("ts", updateTime).add("lc", lastChange).add("knx_src_addr", src).add("knx_dpt", dpt);
if (textual != null) jso.add("knx_textual", textual);
if (val instanceof Integer) jso.add("val", ((Integer) val).intValue());
else if (val instanceof Number) jso.add("val", ((Number) val).doubleValue());
else jso.add("val", val.toString());
String txtmsg = jso.toString();
MqttMessage msg = new MqttMessage(jso.toString().getBytes(StandardCharsets.UTF_8));
msg.setQos(0);
msg.setRetained(true);
try {
String fullTopic = topicPrefix + "status/" + name;
mqttc.publish(fullTopic, msg);
L.finer("Published " + txtmsg + " to " + fullTopic);
} catch (MqttException e) {
L.log(Level.WARNING, "Error when publishing message " + txtmsg, e);
}
}
