/** sends a group/type/value command to a KNX/IP router via the Calimero library. */
private void sendKNX(String groupaddress, String type, String value) {
if (netLinkIp != null) {
try {
if (type.equalsIgnoreCase("string")) {
pc.write(new GroupAddress(groupaddress), value);
} else if (type.equalsIgnoreCase("boolean")) {
if (value.equalsIgnoreCase("1")) {
pc.write(new GroupAddress(groupaddress), true);
} else if (value.equalsIgnoreCase("0")) {
pc.write(new GroupAddress(groupaddress), false);
}
} else if (type.equalsIgnoreCase("int")) {
Integer i = new Integer(value);
pc.write(new GroupAddress(groupaddress), i, ProcessCommunicator.UNSCALED);
} else if (type.equalsIgnoreCase("float")) {
Float f = new Float(value);
pc.write(new GroupAddress(groupaddress), f);
}
Logger.getAnonymousLogger()
.info("sent value: " + value + " type: " + type + " to " + groupaddress);
} catch (Exception e) {
Logger.getAnonymousLogger().severe(e.toString());
}
} else {
Logger.getAnonymousLogger().severe("KNX connection not open");
}
}
private void writeToKNX(String itemName, Type value) {
Iterable<Datapoint> datapoints = getDatapoints(itemName, value.getClass());
if (datapoints != null) {
ProcessCommunicator pc = KNXConnection.getCommunicator();
if (pc != null) {
for (Datapoint datapoint : datapoints) {
try {
pc.write(datapoint, toDPTValue(value, datapoint.getDPT()));
logger.debug("Wrote value '{}' to datapoint '{}'", value, datapoint);
} catch (KNXException e) {
logger.warn(
"Value '{}' could not be sent to the KNX bus using datapoint '{}' - retrying one time: {}",
new Object[] {value, datapoint, e.getMessage()});
try {
// do a second try, maybe the reconnection was successful
pc = KNXConnection.getCommunicator();
pc.write(datapoint, toDPTValue(value, datapoint.getDPT()));
logger.debug("Wrote value '{}' to datapoint '{}' on second try", value, datapoint);
} catch (KNXException e1) {
logger.error(
"Value '{}' could not be sent to the KNX bus using datapoint '{}' - giving up after second try: {}",
new Object[] {value, datapoint, e1.getMessage()});
}
}
}
}
}
}