public HttpConnection getConnection(String url) throws IOException{
        HttpConnection conn = (HttpConnection)Connector.open(url);
        conn.setRequestMethod(HttpConnection.POST);
        conn.setRequestProperty("User-Agent","Profile/MIDP-2.0, Configuration/CLDC-1.0");
        conn.setRequestProperty("Content-type", "binary/x-java-serialized");
        conn.setRequestProperty("Content-Language","pt-BR");
        conn.setRequestProperty("Content-Length","27");
      return conn;
}


public static int downloadNovaVersao(String idEmpresa,String idUsuario) throws IOException{
    Vector v = new Vector();
    String remoteURL = "http://www.ray.system.nom.br/KrakenESB/device/MobiNote.jar";
    HttpConnection conn         = Proxy.getInstancia().getConnection(remoteURL);
    OutputStream rawOutStream = conn.openOutputStream();
    DataOutputStream dFluxo = new DataOutputStream(rawOutStream);
    dFluxo.writeInt(3);
    rawOutStream.flush();
    //=================================================================================
    InputStream is = conn.openInputStream();
    DataInputStream dis = new DataInputStream(is);
    int id = dis.readInt();
    is.close();
    dis.close();
    rawOutStream.close();
    conn.close();
}