ท่านไดมี Code java action page แบบ list menu บ้างครับ

public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
        FilterChain filterChain) throws IOException, ServletException {
    HttpServletRequest httpRequest = (HttpServletRequest)servletRequest;
    HttpServletResponse httpResponse = (HttpServletResponse)servletResponse;
    if (! httpResponse.isCommitted()) {
        if ((httpRequest.getContextPath() + "/").equals(httpRequest.getRequestURI())) {
            httpResponse.sendRedirect(httpRequest.getContextPath() + "/Action");
        }
        else {
            filterChain.doFilter(servletRequest, servletResponse);
        }
    }
}