Java Code Examples for javax.bluetooth.DataElement#U_INT_2

The following examples show how to use javax.bluetooth.DataElement#U_INT_2 . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
public static synchronized byte[] serialize(ServiceRecord record) {
    DataElement seq = new DataElement(DataElement.DATSEQ);
    int[] attrIDs = record.getAttributeIDs();
    for (int i = 0; i < attrIDs.length; i++) {
        DataElement attrID = new DataElement(DataElement.U_INT_2,
                attrIDs[i]);
        DataElement attrValue = record.getAttributeValue(attrIDs[i]);
        if (attrValue != null) {
            seq.addElement(attrID);
            seq.addElement(attrValue);
        }
    }
    try {
        return des.serialize(seq);
    } catch (IOException e) {
        return null;
    }
}
 
Example 2
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");
    }
}
 
Example 3
public long getDataSize(DataElement data) {
    int type = data.getDataType();
    long size = getPureDataSize(data);
    if ((type == DataElement.NULL) || (type == DataElement.BOOL)
            || (type == DataElement.INT_1) || (type == DataElement.U_INT_1)
            || (type == DataElement.INT_2) || (type == DataElement.U_INT_2)
            || (type == DataElement.INT_4) || (type == DataElement.U_INT_4)
            || (type == DataElement.INT_8) || (type == DataElement.U_INT_8)
            || (type == DataElement.INT_16)
            || (type == DataElement.U_INT_16)
            || (type == DataElement.UUID)) {
        return size + 1;
    } else if ((type == DataElement.DATSEQ)
            || (type == DataElement.DATALT) || (type == DataElement.STRING)
            || (type == DataElement.URL)) {
        if (size <= 0xffL) {
            return size + 2;
        } else if (size <= 0xffffL) {
            return size + 3;
        } else if (size <= 0xffffffffL) {
            return size + 5;
        } else {
            throw new RuntimeException("Data size is too large.");
        }
    } else {
        throw new RuntimeException("Unexpected data type.");
    }
}
 
Example 4
public long getPureDataSize(DataElement data) {
    switch (data.getDataType()) {
        case DataElement.NULL:
            return 0;
        case DataElement.BOOL:
        case DataElement.INT_1:
        case DataElement.U_INT_1:
            return 1;
        case DataElement.INT_2:
        case DataElement.U_INT_2:
            return 2;
        case DataElement.INT_4:
        case DataElement.U_INT_4:
            return 4;
        case DataElement.INT_8:
        case DataElement.U_INT_8:
            return 8;
        case DataElement.INT_16:
        case DataElement.U_INT_16:
            return 16;
        case DataElement.DATSEQ:
        case DataElement.DATALT:
            long size = 0;
            Enumeration elements = (Enumeration)data.getValue();
            while (elements.hasMoreElements()) {
                size += getDataSize((DataElement)elements.nextElement());
            }
            return size;
        case DataElement.STRING:
        case DataElement.URL:
            return ((String)data.getValue()).length();
        case DataElement.UUID:
            return 16;
        default:
            throw new RuntimeException("Unknown data type.");
    }
}
 
Example 5
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;
}