public BluetoothClient() throws BluetoothStateException {
LocalDevice localDev = LocalDevice.getLocalDevice();
System.out.println("Local Bluetooth Name is " + localDev.getFriendlyName());
localDev.setDiscoverable(DiscoveryAgent.GIAC);
DiscoveryAgent discovery = localDev.getDiscoveryAgent();
discovery.startInquiry(DiscoveryAgent.GIAC, this);
}
/** Called by iPOJO when the instance becomes valid. */
@Validate
private void start() {
logger.log(LogService.LOG_DEBUG, "BD Remote control component instance is starting.");
String btAddress = null;
LocalDevice localDevice = null;
try {
localDevice = LocalDevice.getLocalDevice();
} catch (BluetoothStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
DiscoveryAgent discoveryAgent = localDevice.getDiscoveryAgent();
RemoteDevice[] cachedDevices = discoveryAgent.retrieveDevices(DiscoveryAgent.CACHED);
if (cachedDevices != null) {
int s = cachedDevices.length;
for (int i = 0; i < s; i++) {
logger.log(
LogService.LOG_DEBUG,
"Cached device"
+ i
+ ":"
+ cachedDevices[i].getBluetoothAddress()
+ ", "
+ cachedDevices[i]);
btAddress = cachedDevices[i].getBluetoothAddress();
}
}
RemoteDevice[] preknownDevices = discoveryAgent.retrieveDevices(DiscoveryAgent.PREKNOWN);
if (preknownDevices != null) {
int s = preknownDevices.length;
for (int i = 0; i < s; i++) {
logger.log(
LogService.LOG_DEBUG,
"Preknown device"
+ i
+ ":"
+ preknownDevices[i].getBluetoothAddress()
+ ", "
+ preknownDevices[i]);
}
}
try {
incomingThread = new IncomingThread(1, btAddress);
incomingThread.start();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public NXTLocator(Display d) {
mDisplay = d;
messages = new TextBox("NXT Status", "Welcome!\n", 8192, TextField.ANY);
mDisplay.setCurrent(messages);
// retrieve the local Bluetooth device object
try {
local = LocalDevice.getLocalDevice();
agent = local.getDiscoveryAgent();
} catch (BluetoothStateException bse) {
messages.insert("no device found\n", messages.size());
}
}
/**
* Creates a PrintClient object and prepares the object for device discovery and service
* searching.
*
* @exception BluetoothStateException if the Bluetooth system could not be initialized
*/
public Discoverer() throws BluetoothStateException {
/*
* Retrieve the local Bluetooth device object.
*/
LocalDevice local = LocalDevice.getLocalDevice();
/*
* Retrieve the DiscoveryAgent object that allows us to perform device
* and service discovery.
*/
agent = local.getDiscoveryAgent();
deviceList = new Vector();
serviceList = new Vector();
}
public void run() {
ran = true;
LocalDevice localDevice;
try {
localDevice = LocalDevice.getLocalDevice();
} catch (BluetoothStateException e) {
synchronized (waiter) {
waiter.notify();
}
return;
}
DiscoveryAgent discoveryAgent = localDevice.getDiscoveryAgent();
try {
discoveryAgent.searchServices(null, uuidSet, device, new BluetoothHelper());
} catch (Exception e) {
synchronized (waiter) {
waiter.notify();
}
return;
}
}
/**
* Create and open a Connection. This Implementation only supports the <code>btl2cap://</code>
* protocol schema. If url begins with <code>btl2cap://localhost</code>, this method call will
* return a <code>javax.bluetooth.L2CAPConnectionNotifier</code>.
*
* @param url The URL for the connection.
* @return A new <code>javax.bluetooth.L2CAPConnection</code> or a <code>
* javax.bluetooth.L2CAPConnectionNotifier</code>
* @throws IllegalArgumentException If a parameter is invalid.
* @throws IOException If some other kind of I/O error occurs.
* @see javax.bluetooth.L2CAPConnection
* @see javax.bluetooth.L2CAPConnectionNotifier
*/
public static Connection open(String url) throws IOException {
try {
if (url.startsWith("btl2cap://localhost:")) {
int endIndex = url.indexOf(';');
String psmString = url.substring(20, endIndex);
Short psmShort = Short.decode(psmString);
short psm = psmShort.shortValue();
return new JSR82ConnectionNotifier(psm);
}
if (url.startsWith("btl2cap://")) {
byte[] bdAddrBytes = new byte[12];
String bdAddrString = url.substring(10, 22);
Long bdAddrLong = Long.decode("0x" + bdAddrString);
long remoteAddrLong = bdAddrLong.longValue();
int endIndex = url.indexOf(';', 22);
String psmString = url.substring(23, endIndex);
Short psmShort = Short.decode(psmString);
short psm = psmShort.shortValue();
BluetoothStack bluetooth = BluetoothStack.getBluetoothStack();
LocalDevice localDev = LocalDevice.getLocalDevice();
DiscoveryAgent discovery = localDev.getDiscoveryAgent();
RemoteDevice remoteDevice = discovery.getRemoteDevice(remoteAddrLong);
if (remoteDevice != null) {
JSR82Channel channel = new JSR82Channel();
bluetooth.connectL2CAPChannel(channel, remoteDevice, psm);
return channel;
} else throw new IllegalArgumentException("Unable to locate Bluetooth Device.");
}
} catch (BluetoothStateException e) {
throw new IOException("" + e);
} catch (HCIException e) {
throw new IOException("" + e);
}
throw new IllegalArgumentException(
"This implementation of Connector only supports btl2cap:// Connections.");
}
@Override
public void run() {
try {
LocalDevice localDevice = LocalDevice.getLocalDevice();
logger.debug(
"Initializing local bluetooth device ({}, {})",
localDevice.getBluetoothAddress(),
localDevice.getFriendlyName());
DiscoveryAgent agent = localDevice.getDiscoveryAgent();
final Object inquiryCompletedEvent = new Object();
// this is the call back for the bluetooth driver
DiscoveryListener listener =
new DiscoveryListener() {
public void deviceDiscovered(RemoteDevice btDevice, DeviceClass cod) {
if (!newDevices.contains(btDevice)) {
newDevices.add(btDevice);
if (!oldDevices.contains(btDevice)) {
BluetoothDevice device = toBluetoothDevice(btDevice);
logger.debug("Device discovered: {}", device.toString());
for (BluetoothEventHandler handler : eventHandler) {
handler.handleDeviceInRange(device);
}
}
}
}
public void inquiryCompleted(int discType) {
// check if any device has disappeared
for (RemoteDevice btDevice : oldDevices) {
if (newDevices.contains(btDevice)) continue;
BluetoothDevice device = toBluetoothDevice(btDevice);
logger.debug("Device out of range: {}", device.toString());
for (BluetoothEventHandler handler : eventHandler) {
handler.handleDeviceOutOfRange(device);
}
}
oldDevices = new HashSet<RemoteDevice>(newDevices);
// we now pass the list of all devices in range to the event handlers
Iterable<BluetoothDevice> devices =
Iterables.transform(
newDevices,
new Function<RemoteDevice, BluetoothDevice>() {
public BluetoothDevice apply(RemoteDevice from) {
return toBluetoothDevice(from);
}
});
for (BluetoothEventHandler handler : eventHandler) {
handler.handleAllDevicesInRange(devices);
}
newDevices.clear();
synchronized (inquiryCompletedEvent) {
// tell the main thread that we are done
inquiryCompletedEvent.notifyAll();
}
}
public void serviceSearchCompleted(int transID, int respCode) {}
public void servicesDiscovered(int transID, ServiceRecord[] servRecord) {}
};
// this is the main loop, which will run as long as the thread is not marked as interrupted
while (!interrupted) {
long starttime = new Date().getTime();
// check if we at all need to run the bluetooth discovery
boolean runDiscovery = false;
for (BluetoothEventHandler handler : eventHandler) {
if (handler.isActive()) {
runDiscovery = true;
break;
}
}
if (runDiscovery) {
synchronized (inquiryCompletedEvent) {
try {
logger.debug("Launching bluetooth device discovery...");
boolean started = agent.startInquiry(DiscoveryAgent.GIAC, listener);
if (started) {
inquiryCompletedEvent.wait();
}
} catch (BluetoothStateException e) {
logger.error("Error while starting the bluetooth agent", e);
} catch (InterruptedException e) {
interrupted = true;
}
}
}
if (!interrupted) {
// let this thread sleep until the next discovery should be done
long sleeptime = refreshRate * 1000L - (new Date().getTime() - starttime);
if (sleeptime > 0) {
logger.debug("Sleeping for {} s...", sleeptime / 1000.0);
try {
Thread.sleep(sleeptime);
} catch (InterruptedException e) {
interrupted = true;
}
}
}
}
} catch (BluetoothStateException e) {
logger.error("Error while initializing local bluetooth device.", e);
}
}
public BluetoothBrowser() throws BluetoothStateException {
localDevice = LocalDevice.getLocalDevice();
agent = localDevice.getDiscoveryAgent();
}
