private void writeData(SelectionKey key) throws IOException {
    Packet outPacket = null;
    synchronized (pendingPacketQue) {
        for (Packet packet : pendingPacketQue) {
            if (packet.getChannel().keyFor(selector).equals(key)) {
                outPacket = packet;
                break;
            }
        }
    }
    if (outPacket == null) {
        Logger.writeException("Couldn't find out bound packet in list.", LogType.SERVER);
        return;
    }
    SocketChannel connection = (SocketChannel) outPacket.getChannel();
    ObjectOutputStream outStream = new ObjectOutputStream(connection.socket().getOutputStream());
    outStream.writeObject(outPacket);
    outStream.flush();
    outStream.close();
    connection.keyFor(selector).interestOps(SelectionKey.OP_READ);
}

private void readData(SelectionKey key) throws IOException, ClassNotFoundException {
    SocketChannel connection = (SocketChannel) key.channel();
    buffer.clear();
    int byteCount;
    try {
        byteCount = connection.read(buffer);
    } catch (IOException e) {
        Logger.writeException("Connenction terminated.", LogType.SERVER);
        connection.close();
        key.cancel();
        return;
    }
    if (byteCount == -1) {
        Logger.writeException("Connection error. Terminating connection.", LogType.SERVER);
        key.channel().close();
        key.cancel();
        return;
    }
    Engine.getInstance().getPacketProcessor().processData(connection, buffer.array(), byteCount);
}

public void processData(SocketChannel connection, byte[] data, int count)
        throws IOException, ClassNotFoundException {
    ByteArrayInputStream byteStream = new ByteArrayInputStream(data);
    ObjectInputStream inStream = new ObjectInputStream(byteStream);
    addToQue(inStream.readObject());
    inStream.close();
}