/* DiscoveryListener methods: */
public void deviceDiscovered(RemoteDevice btDevice, DeviceClass cod) {
// System.err.println(btDevice.getFriendlyName(false) + " discovered.");
/*
System.err.println("Major = " + cod.getMajorDeviceClass());
System.err.println("Minor = " + cod.getMinorDeviceClass());
System.err.println("Service = " + cod.getServiceClasses());
System.err.println("GPS_MAJOR = " + GPS_MAJOR);
System.err.println("Authenticated? " + btDevice.isAuthenticated());
*/
if ((cod.getMajorDeviceClass() & GPS_MAJOR) == GPS_MAJOR) {
if (btDevice.isAuthenticated()) { // Check if paired.
this.btDevice = btDevice;
da.cancelInquiry(this);
}
}
}
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);
}