@RequestMapping(value = "/changeDocMode", method = RequestMethod.GET, produces = "text/html")
 public String changeDocMode(
     HttpServletRequest request, HttpServletResponse response, Model model) {
   HttpSession session = request.getSession();
   session.removeAttribute("xUaCompatibleTag");
   String userAgent = request.getHeader("User-Agent");
   UserAgent userAgentObj = BroswerUtils.parseUserAgent(userAgent);
   Browser browser = userAgentObj.getBrowser();
   if (browser.toString().equalsIgnoreCase("ie8")) {
     // String metaTag = "<meta http-equiv=\"X-UA-Compatible\" content=\"IE=7\"/>";
     String metaTag = "http-equiv=\"X-UA-Compatible\" content=\"IE=7\"";
     session.setAttribute("xUaCompatibleTag", metaTag);
     model.addAttribute("ua", userAgent);
     model.addAttribute("userAgent", userAgentObj);
   } else {
     model.addAttribute("notie8", "This will only work if you are on IE8.");
   }
   return "browserUtils/detect";
 }
  @RequestMapping(
      value = "/changeDocModeUseHeader",
      method = RequestMethod.GET,
      produces = "text/html")
  public String changeDocModeUseHeader(
      HttpServletRequest request, HttpServletResponse response, Model model) {
    HttpSession session = request.getSession();
    session.removeAttribute("xUaCompatibleTag");
    String userAgent = request.getHeader("User-Agent");
    UserAgent userAgentObj = BroswerUtils.parseUserAgent(userAgent);
    Browser browser = userAgentObj.getBrowser();
    if (browser.toString().equalsIgnoreCase("ie8")) {
      response.addHeader("x-ua-compatible", "IE=7"); // "IE=EmulateIE7");
      model.addAttribute("ua", userAgent);
      model.addAttribute("userAgent", userAgentObj);
    } else {
      model.addAttribute("notie8", "This will only work if you are on IE8.");
    }

    return "browserUtils/detect";
  }