Java Code Examples for javax.bluetooth.DataElement#getLong()

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 int getHandle() {
    DataElement handle = getAttributeValue(SERVICE_RECORD_HANDLE);
    return handle != null ? (int)handle.getLong() : 0;
}
 

public synchronized boolean populateRecord(int[] attrIDs)
    throws IOException {
    Hashtable dupChecker = new Hashtable();
    Object checkObj = new Object();

    if (remoteDevice == null) {
        throw new RuntimeException("local ServiceRecord");
    }

    if (attrIDs.length == 0) {
        throw new IllegalArgumentException("attrIDs size is zero");
    }

    if (attrIDs.length > RETRIEVABLE_MAX) {
        throw new IllegalArgumentException(
                "attrIDs size exceeds retrievable.max");
    }

    for (int i = 0; i < attrIDs.length; i++) {
        if ((attrIDs[i] & MASK_OVERFLOW) != 0) {
            throw new IllegalArgumentException("attrID does not represent "
                + "a 16-bit unsigned integer");
        }

        // check attribute ID duplication
        if (dupChecker.put(new Integer(attrIDs[i]), checkObj) != null) {
            throw new IllegalArgumentException(
                    "duplicated attribute ID");
        }
    }

    // obtains transaction ID for request
    short transactionID = SDPClientTransactionBase.newTransactionID();

    // SDP connection and listener. They are initialized in try blok.
    SDPClient sdp = null;
    SRSDPListener listener = null;

    try {
        // prepare data for request
        DataElement handleEl = (DataElement) attributesTable.get(
                new Integer(SERVICE_RECORD_HANDLE));
        int handle = (int) handleEl.getLong();

        // create and prepare SDP listner
        listener = new SRSDPListener();

        // create SDP connection and ..
        if (sdpClient == null) {
            sdp = ServiceDiscovererFactory.getServiceDiscoverer().
                    getSDPClient(remoteDevice.getBluetoothAddress());
        } else {
            sdp = sdpClient;
        }

        // ... and make request
        sdp.serviceAttributeRequest(handle, attrIDs, transactionID,
                listener);

        synchronized (listener) {
            if ((listener.ioExcpt == null)
                    && (listener.attrValues == null)) {
                try {
                    listener.wait();
                } catch (InterruptedException ie) {
                    // ignore (breake waiting)
                }
            }
        }
    } finally {

        // Closes SDP connection and frees transaction ID in any case
        SDPClientTransactionBase.freeTransactionID(transactionID);

        // if connection was created try to close it
        if (sdp != null) {
            try {
                sdp.close();
            } catch (IOException ioe) {
                // ignore
            }
        }
    }

    if (listener.ioExcpt != null) {
        throw listener.ioExcpt;
    } else if (listener.attrValues == null) {
        return false;
    } else if (listener.attrValues.length == 0) {
        return false;
    } else {
        attrsInit(listener.attrIDs, listener.attrValues);
        return true;
    }
}
 

protected boolean compareDataElements(DataElement first,
        DataElement second) {
    boolean ret = false;
    int valueType = first.getDataType();
    if (ret = (valueType == second.getDataType())) {
        switch (valueType) {
        case DataElement.BOOL:
            ret = first.getBoolean() == second.getBoolean();
            break;
        case DataElement.U_INT_1:
        case DataElement.U_INT_2:
        case DataElement.U_INT_4:
        case DataElement.INT_1:
        case DataElement.INT_2:
        case DataElement.INT_4:
        case DataElement.INT_8:
            ret = first.getLong() == second.getLong();
            break;
        default:
            Object v1 = first.getValue();
            Object v2 = second.getValue();
            if (v1 instanceof Enumeration && v2 instanceof Enumeration) {
                Enumeration e1 = (Enumeration)v1;
                Enumeration e2 = (Enumeration)v2;
                ret = true;
                while (e1.hasMoreElements() &&
                       e2.hasMoreElements() && ret) {
                    ret &= e1.nextElement().equals(e2.nextElement());
                }
                ret = ret &&
                    !(e1.hasMoreElements() ||
                      e2.hasMoreElements());
            } else if (v1 instanceof byte[] && v2 instanceof byte[]) {
                byte[] a1 = (byte[])v1;
                byte[] a2 = (byte[])v2;
                ret = a1.length == a2.length;
                for (int i = a1.length; --i >= 0 && ret; ) {
                    ret &= (a1[i] == a2[i]);
                }
            } else {
                ret = v1.equals(v2);
            }
            break;
        }
    }
    return ret;
}