// start server
public void startServer() throws IOException {
// Create a UUID for SPP
UUID uuid = new UUID(Config.uuid, true);
System.out.println(uuid.toString());
// Create the servicve url
String connectionString = "btspp://localhost:" + uuid + ";name=Bluetooth SPP Server";
// open server url
StreamConnectionNotifier streamConnNotifier =
(StreamConnectionNotifier) Connector.open(connectionString);
// Wait for client connection
System.out.println("\nServer Started. Waiting for clients to connect...");
while (isRunning) {
connection = streamConnNotifier.acceptAndOpen();
System.out.println("Connection opened");
RemoteDevice dev = RemoteDevice.getRemoteDevice(connection);
System.out.println("Remote device address: " + dev.getBluetoothAddress());
System.out.println("Remote device name: " + dev.getFriendlyName(true));
inStream = connection.openInputStream();
outStream = connection.openOutputStream();
if ((dev.getFriendlyName(true) == Config.pairedDevice) || true) {
new Receiver().start();
new Sender().start();
}
}
streamConnNotifier.close();
}
protected BTGPSLocationProvider() throws LocationException {
// TODO: Move this to searchConnect method?
// TODO: The problem here is that it searches every time. Slow. Need to try Properties?
// TODO: BIG ONE: Should only connect to GPS that isPaired() (from menu). Will
// allow some degree of control over which GPS is connects to in classroom.
try {
da = LocalDevice.getLocalDevice().getDiscoveryAgent();
da.startInquiry(DiscoveryAgent.GIAC, this);
} catch (BluetoothStateException e) {
throw new LocationException(e.getMessage());
}
while (!doneInq) {
Thread.yield();
}
if (btDevice == null) throw new LocationException("No device found");
String address = btDevice.getBluetoothAddress();
String btaddy = "btspp://" + address;
try {
StreamConnectionNotifier scn = (StreamConnectionNotifier) Connector.open(btaddy);
if (scn == null) throw new LocationException("Bad BT address");
StreamConnection c = scn.acceptAndOpen();
/* This problem below occurred one time for my Holux GPS. The solution was to
* remove the device from the Bluetooth menu, then find and pair again.
*/
if (c == null) throw new LocationException("Failed. Try pairing at menu again");
InputStream in = c.openInputStream();
if (in != null) {
gps = new SimpleGPS(in);
// c.close(); // TODO: Clean up when done. HOW TO HANDLE IN LOCATION?
}
} catch (IOException e) {
throw new LocationException(e.getMessage());
}
// Add itself to SimpleGPS as listener
SimpleGPS.addListener(this);
}
/** method to disconnect from the server */
public void disconnect() throws IOException {
// if stream connection is present then
if (streamConnection != null) {
// close all streams
dataOutputStream.close();
dataInputStream.close();
streamConnection.close();
}
// nullify all stream objects
dataOutputStream = null;
dataInputStream = null;
streamConnection = null;
// initiate garbage collector
System.gc();
// set the connected flag to false indicating no connection
connected = false;
}
