void processMessage(String topic, MqttMessage msg) {
L.fine("Received " + msg + " to " + topic);
topic = topic.substring(topicPrefix.length(), topic.length());
if (topic.startsWith("set/")) processSetGet(topic.substring(4), msg, true);
else if (topic.startsWith("get/")) processSetGet(topic.substring(4), msg, false);
else L.warning("Ignored message " + msg + " to unknown topic " + topic);
}
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);
}