public void listenTo(String gaName) { try { groupAddresses.add(gaName); log.info( "{} now listens to [{}@{}]", getClass().getCanonicalName(), gaName, knx.translateNameToGa(gaName)); } catch (KnxServiceConfigurationException ex) { log.error("Cannot setup listener for groupaddress name '" + gaName + "'.", ex); } }