javax.bluetooth.LocalDevice Java Examples

private Optional<String> getLocalAddress() {
	try {
		final LocalDevice localDevice = LocalDevice.getLocalDevice();

		// Insert colons into the address because android needs them
		final StringBuilder addressBuilder = new StringBuilder();
		final String originalAddress = localDevice.getBluetoothAddress();
		for (int i = 0; i < originalAddress.length(); i++) {
			addressBuilder.append(originalAddress.charAt(i));
			if (i > 0 && i < originalAddress.length() - 1 && i % 2 != 0) addressBuilder.append(':');
		}

		return Optional.of(addressBuilder.toString());
	} catch (BluetoothStateException e) {
		logger.error("Failed to access local bluetooth device to fetch its address. Ensure the "
				+ "system's bluetooth service is started with \"sudo systemctl start bluetooth\" "
				+ "and the bluetooth stack is on in the system settings", e);
		return Optional.empty();
	}
}
 

private static LocalDevice getLocalDevice() {
	try {
		return LocalDevice.getLocalDevice();
	} catch (BluetoothStateException e) {
		throw propagate(e);
	}
}
 

public Value inquire()
	throws FaultException {
	Value retValue = null;
	try {
		DiscoveryListenerImpl listener = new DiscoveryListenerImpl();
		LocalDevice.getLocalDevice().getDiscoveryAgent().startInquiry(
			DiscoveryAgent.GIAC,
			listener );
		retValue = listener.getResult();
	} catch( BluetoothStateException e ) {
		throw new FaultException( e );
	}
	return retValue;
}
 

@SuppressWarnings( "PMD" )
public Boolean setDiscoverable( Integer i )
	throws FaultException {
	boolean b = false;
	try {
		b = LocalDevice.getLocalDevice().setDiscoverable( i );
	} catch( BluetoothStateException e ) {
		throw new FaultException( e );
	}
	return b;
}
 

private void retrieveUrlCommonParams() {
    if (protocol != BluetoothUrl.UNKNOWN) {
        // already retrieved
        return;
    }

    if (remoteDevice != null) {
        btaddr = remoteDevice.getBluetoothAddress();
    } else {
        try {
            btaddr = LocalDevice.getLocalDevice().getBluetoothAddress();
        } catch (BluetoothStateException bse) {
            throw new IllegalArgumentException("cannot generate url");
        }
    }

    /*
     * There are three protocols supported -
     * they are obex or rfcomm or l2cap. So, if obex is
     * found in ProtocolDescriptorList, the protocol is btgoep,
     * if RFCOMM is found (and no obex) - the btspp, otherwise
     * the protocol is btl2cap.
     */
    DataElement protocolList = getAttributeValue(PROTOCOL_DESCRIPTOR_LIST);
    if (protocolList == null) {
    	return;
    }
    Enumeration val = (Enumeration) protocolList.getValue();
    int type = -1; // 0 = l2cap, 1 = spp, 2 = obex
    final UUID L2CAP_UUID = new UUID(0x0100);
    final UUID RFCOMM_UUID = new UUID(0x0003);
    final UUID OBEX_UUID = new UUID(0x0008);

    // go through all of the protocols in the protocols list
    while (val.hasMoreElements()) {
        DataElement protoDE = (DataElement) val.nextElement();

        // application adds a garbage in protocolList - ignore
        if (protoDE.getDataType() != DataElement.DATSEQ) {
            continue;
        }
        Enumeration protoEnum = (Enumeration) protoDE.getValue();
        int tmpPort = -1;
        int tmpType = -1;

        // look on protocol details
        while (protoEnum.hasMoreElements()) {
            DataElement de = (DataElement) protoEnum.nextElement();

            // may be PSM or channel id
            if (de.getDataType() == DataElement.U_INT_1 ||
                    de.getDataType() == DataElement.U_INT_2)  {
                tmpPort = (int) de.getLong();
            } else if (de.getDataType() == DataElement.UUID) {
                UUID protoUUID = (UUID) de.getValue();

                if (protoUUID.equals(L2CAP_UUID)) {
                    tmpType = 0;
                } else if (protoUUID.equals(RFCOMM_UUID)) {
                    tmpType = 1;
                } else if (protoUUID.equals(OBEX_UUID)) {
                    tmpType = 2;
                }
            }
        }

        /*
         * ok, new protocol has been parsed - let's check if it
         * is over the previous one or not.
         *
         * Note, that OBEX protocol may appear before the RFCOMM
         * one - in this case the port (channel id) is not set -
         * need to check this case separately.
         */
        if (tmpType > type) {
            type = tmpType;

            // no "port" for obex type (obex = 2)
            if (tmpType != 2) {
                port = tmpPort;
            }
        } else if (tmpType == 1) {
            port = tmpPort;
        }
    }

    switch (type) {
    case 0:
        protocol = BluetoothUrl.L2CAP;
        break;
    case 1:
        protocol = BluetoothUrl.RFCOMM;
        break;
    case 2:
        protocol = BluetoothUrl.OBEX;
        break;
    default:
        throw new IllegalArgumentException("wrong protocol list");
    }
}
 

public static void startServerUuid(String uuidValue) throws IOException{
	
	uuidValue = uuidValue.replace("-", "");
	
	UUID uuid = new UUID(uuidValue, false);
	
	String url = "btspp://localhost:" + uuid.toString() + 
			";name=BlueCatPipe"; //;authenticate=false;authorize=false;encrypt=false;master=false";
	
	PrintUtil.verbose("Creating server with UUID " + uuid);

       StreamConnectionNotifier service = (StreamConnectionNotifier) Connector.open(url);

       ServiceRecord rec = LocalDevice.getLocalDevice().getRecord(service);
       
       //PrintUtil.out.println(rec.toString());
       String remoteUrl = rec.getConnectionURL(ServiceRecord.NOAUTHENTICATE_NOENCRYPT, false);
       remoteUrl = remoteUrl.substring(0, remoteUrl.indexOf(";"));

       PrintUtil.verbose("#" + new Date() + " - Listening at " + remoteUrl);
       
       BlucatConnection.handle(service);

}
 

public static void startServerRFCOMM() throws IOException{
	
	String url = "btspp://localhost:" + BluetoothConsts.RFCOMM_PROTOCOL_UUID + 
			";name=BlueCatPipe;authenticate=false;encrypt=false;master=true";
	
	PrintUtil.verbose("#" + "Creating RFCOMM server");
	
       StreamConnectionNotifier service = (StreamConnectionNotifier) Connector.open(url);

       ServiceRecord rec = LocalDevice.getLocalDevice().getRecord(service);
       
       //PrintUtil.out.println(rec.toString());
       String remoteUrl = rec.getConnectionURL(ServiceRecord.NOAUTHENTICATE_NOENCRYPT, false);
       remoteUrl = remoteUrl.substring(0, remoteUrl.indexOf(";"));

       PrintUtil.verbose("#" + new Date() + " - Listening at " + remoteUrl);
       
       BlucatConnection.handle(service);
}
 

public static void startServerChannel(String port) throws IOException{
	
	String url = null;
	
	
	if (BlucatState.l2cap){
		url = "btl2cap://localhost:" + port + ";name=BlueCatL2CAP";
	}else{
		url = "btspp://localhost:" + port + ";name=BlueCatRFCOM";
	}
	
	PrintUtil.verbose("#" + "Creating server on channel " + port);
	
       Connection service = Connector.open(url);

       ServiceRecord rec = LocalDevice.getLocalDevice().getRecord(service);
       
       //PrintUtil.out.println(rec.toString());
       String remoteUrl = rec.getConnectionURL(ServiceRecord.NOAUTHENTICATE_NOENCRYPT, false);
       remoteUrl = remoteUrl.substring(0, remoteUrl.indexOf(";"));

       PrintUtil.verbose("#" + new Date() + " - Listening at " + remoteUrl);
       
       BlucatConnection.handle(service);
}
 

static Set<ServiceRecord> findViaSDP() throws Exception{
		
		Set<ServiceRecord> toReturn = new HashSet<ServiceRecord>();
		
		UUID[] uuidSet ={
				//new UUID(0x1002),
			//BluetoothConsts.RFCOMM_PROTOCOL_UUID,
			BluetoothConsts.L2CAP_PROTOCOL_UUID
//			BluetoothConsts.OBEX_PROTOCOL_UUID,
//			new UUID(0x0003)

			
			
		};
		
        int[] attrIDs =  new int[] {
                0x0100 // Service name
                ,0x0003
        };
		
        
        RemoteDeviceDiscovery.findDevices();
		Set<RemoteDevice> devices  = RemoteDeviceDiscovery.getDevices();
		
		
		for (RemoteDevice remote : devices){
        
	        synchronized(serviceSearchCompletedEvent) {
	        	
	        	PrintUtil.verbose("#" + "Searching for services on ");
	            PrintUtil.out.println("+," + RemoteDeviceDiscovery.deviceName(remote));
	        
	            LocalDevice.getLocalDevice().getDiscoveryAgent()
	            .searchServices(attrIDs, uuidSet, remote, new ServiceDiscoveryListener(toReturn));
	            
	            serviceSearchCompletedEvent.wait();
	        }
		
		}
		return toReturn;
	}