Examples of javax.bluetooth.DataElement

javax.bluetooth.DataElement

The DataElement class defines the various data types that a Bluetooth service attribute value may have. The following table describes the data types and valid values that a DataElement object can store.

Data Type	Valid Values
`NULL`	represents a `null` value
`U_INT_1`	`long` value range [0, 255]
`U_INT_2`	`long` value range [0, 2¹⁶-1]
`U_INT_4`	`long` value range [0, 2³²-1]
`U_INT_8`	`byte[]` value range [0, 2⁶⁴-1]
`U_INT_16`	`byte[]` value range [0, 2¹²⁸-1]
`INT_1`	`long` value range [-128, 127]
`INT_2`	`long` value range [-2¹⁵, 2¹⁵-1]
`INT_4`	`long` value range [-2³¹, 2³¹-1]
`INT_8`	`long` value range [-2⁶³, 2⁶³-1]
`INT_16`	`byte[]` value range [-2¹²⁷, 2¹²⁷-1]
`URL`	`java.lang.String`
`UUID`	`javax.bluetooth.UUID`
`BOOL`	`boolean`
`STRING`	`java.lang.String`
`DATSEQ`	`java.util.Enumeration`
`DATALT`	`java.util.Enumeration`

@author Christian Lorenz

        attributes.put(new Integer(attrID), attrValue);
        return true;
    }


    public byte[] toByteArray() {
        DataElement resultAttributes = new DataElement(DataElement.DATSEQ);
        Enumeration keys = attributes.keys();
        while (keys.hasMoreElements()) {
            Integer key = (Integer)keys.nextElement();
            DataElement value = (DataElement)attributes.get(key);
            resultAttributes.addElement(new DataElement(DataElement.U_INT_2, key.intValue()));
            resultAttributes.addElement(value);
        }
        return resultAttributes.toByteArray();
    }

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            //System.out.println("minor dev class :"+remoteDevice.deviceClass.getMinorDeviceClass());
            //System.out.println("service classes :"+remoteDevice.deviceClass.getServiceClasses());
            SDPClientChannel sdpChannel = new SDPClientChannel(remoteDevice, blue);
            bluetooth.connectL2CAPChannel(sdpChannel, remoteDevice, (short)0x0001);
            byte[] uuidList = { 0x35, 0x03, 0x19, 0x10, 0x02 };
            DataElement uuidListElement = new DataElement(uuidList);
            sdpChannel.send_SDP_ServiceSearchRequest((short)1, (short)14, uuidListElement);
        }
        while (serviceRecords == null) { Thread.sleep(1000); }
        for (int i = 0; i < serviceRecords.length; i++) {
            System.out.println("  " + serviceRecords[i]);

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        BluetoothStack.init(new BluetoothTCPClient("192.168.10.2", 2600));
        LocalDevice localDev = LocalDevice.getLocalDevice();
        localDev.setDiscoverable(DiscoveryAgent.GIAC);
        L2CAPConnectionNotifier connNotifier = (L2CAPConnectionNotifier)Connector.open("btl2cap://localhost:3;");
        ServiceRecord serviceRecord = connNotifier.getRecord();
        serviceRecord.setAttributeValue(256, new DataElement(DataElement.STRING, "Tini Demo Service"));
        connNotifier.acceptAndOpen();
    }

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        while (remoteDevice == null) { Thread.sleep(1000); }
        System.out.println("Remote Name is " + remoteDevice.getFriendlyName(false));
        SDPClientChannel sdpChannel = new SDPClientChannel(remoteDevice, blue);
        bluetooth.connectL2CAPChannel(sdpChannel, remoteDevice, (short)0x0001);
        byte[] uuidList = { 0x35, 0x03, 0x19, 0x10, 0x02 };
        DataElement uuidListElement = new DataElement(uuidList);
        sdpChannel.send_SDP_ServiceSearchRequest((short)1, (short)14, uuidListElement);
        while (true) { Thread.sleep(600); }
    }

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        this.record = record;
    }


    public void mouseEntered(MouseEvent e) {
        bluetoothBrowser.mainFrame.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
        DataElement connectionInfo = record.getAttributeValue(4);
        if (connectionInfo != null) { bluetoothBrowser.statusLabel.setText(connectionInfo.toString()); }
    }

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        top.removeAll();
        for (int i = 0; i < services.size(); i++) {
            ServiceRecord record = (ServiceRecord)services.get(i);
            JLabel devLabel = new JLabel(serviceIcon);
            devLabel.addMouseListener(new ServiceRecordMouseListener(devLabel, this, record));
            DataElement nameElement = record.getAttributeValue(256);
            if (nameElement != null) {
                String serviceName = (String)nameElement.getValue();
                devLabel.setText(serviceName);
            }
            top.add(devLabel);
        }
        top.revalidate();

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    /** found a service on this device */
    public void servicesDiscovered(int arg0, ServiceRecord[] servRecord) {
        for (int i = 0; i < servRecord.length; i++) {


            DataElement nameElement = servRecord[i].getAttributeValue(0x100);
            if ((nameElement != null) && (nameElement.getDataType() == DataElement.STRING)) {


                /** retrieve the name of the service */
                String name = (String) nameElement.getValue();
                name = name.trim();


                constants.info("found ------- [" + name + "]", this);
                if (name.equals("Bluetooth Serial Port")) {
                    constants.info(" ..is a port " + name, this);

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      rd = requests.get(new Integer(transID));
      if (rd == null) return;


      for (int i = 0; i < servRecord.length; i++) {
        
         DataElement nameElement = (DataElement)servRecord[i].getAttributeValue(0x100);
         if ((nameElement != null) && (nameElement.getDataType() == DataElement.STRING)) {


                    /** retrieve the name of the service */
                  serviceName = (String)nameElement.getValue();
                  
                  constants.info(rd + " service name was = " + serviceName, this);  
                  
                  /** add serial devices if found */
                  if (serviceName.equals("Bluetooth Serial Port"))

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Related Classes of javax.bluetooth.DataElement

gui.ClientConnection

org.javabluetooth.demo.BluetoothClient

org.javabluetooth.demo.BluetoothLocalStack

org.javabluetooth.demo.BluetoothServiceProvider

org.javabluetooth.demo.gui.BluetoothBrowser

org.javabluetooth.demo.gui.ServiceRecordMouseListener

org.javabluetooth.stack.sdp.SDPClientChannel

org.javabluetooth.stack.sdp.SDPLocalServiceRecord

org.javabluetooth.stack.sdp.SDPRemoteServiceRecord

org.javabluetooth.stack.sdp.SDPServer

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