authenticate(request, response)

public void doGet(HttpServletRequest request,
                      HttpServletResponse response) throws ServletException, IOException {response.setContentType(CONTENT_TYPE);

        if (authenticate(request, response) == true) {}

}
//------------------------------------
 private boolean authenticate(HttpServletRequest request, HttpServletResponse response) {
        boolean isLogin = false;        

        try {
            ResourceBundle bundle = ResourceBundle.getBundle("com.xx.mil.application.xxx.HttpConnection");
            String uid = bundle.getString("username");
            String pwd = bundle.getString("password");

            String authentication = request.getHeader("Authorization");

            if (authentication != null) {
                String userpass = Base64.decode(authentication.substring(6));
                String username = userpass.substring(0,userpass.indexOf(":"));
                String password = userpass.substring(userpass.indexOf(":") + 1);

                if (username.equals(uid) && password.equals(pwd)) {
                    isLogin = true;
                }
            }
        }
        catch (Exception e) {
             try {
                PrintWriter out = (PrintWriter) response.getWriter();
                out.write("<result>FAIL</result>");
                out.flush();

//                Logger.logError(e.getClass().getName(), e);
                logger.logError(logAction + ":" + e.getMessage());

                SendEmail mail = new SendEmail();
                mail.sendErrorEmail(e);
            }
            catch(Exception ex) {}
         }
        return isLogin;

//return true; //Set true for debug
    }