Challenge 3 Poor Data V

public void doPost (HttpServletRequest request, HttpServletResponse response) 
	throws ServletException, IOException
	{
		//Setting IpAddress To Log and taking header for original IP if forwarded from proxy
		ShepherdLogManager.setRequestIp(request.getRemoteAddr(), request.getHeader("X-Forwarded-For"));

		//Translation Stuff
		Locale locale = new Locale(Validate.validateLanguage(request.getSession()));
		ResourceBundle errors = ResourceBundle.getBundle("i18n.servlets.errors", locale);
		ResourceBundle bundle = ResourceBundle.getBundle("i18n.servlets.lessons.poorValidation", locale);
		
		//Attempting to recover username of session that made request
		HttpSession ses = request.getSession(true);
		if(Validate.validateSession(ses))
		{
			ShepherdLogManager.setRequestIp(request.getRemoteAddr(), request.getHeader("X-Forwarded-For"), ses.getAttribute("userName").toString());
			log.debug(levelName + " servlet accessed by: " + ses.getAttribute("userName").toString());
			PrintWriter out = response.getWriter();
			out.print(getServletInfo());
			try
			{
				String userData = request.getParameter("userdata");
				log.debug("User Submitted - " + userData);
				String htmlOutput = new String();
				int userNumber = Integer.parseInt(userData);
				if(userNumber < 0)
				{
					// Get key and add it to the output
					String userKey = Hash.generateUserSolution(levelResult, (String)ses.getAttribute("userName"));
					log.debug("Negative Number Submitted");
					htmlOutput = "<h2 class='title'>" + bundle.getString("result.validationBypassed") + "</h2><p>" + bundle.getString("result.youDidIt") + ". " + bundle.getString("result.resultKey") + ": <a>" + userKey + "</a></p>";
				}
				else
				{
					log.debug("Valid Number Submitted");
					htmlOutput = "<h2 class='title'>" + bundle.getString("response.validNumber") + "</h2><p>" + bundle.getString("response.theNumber") + " " + userNumber + " " + bundle.getString("response.valid") + ".";
				}
				log.debug("Outputting HTML");
				out.write(htmlOutput);
			}
			catch(Exception e)
			{
				out.write(errors.getString("error.funky"));
				log.fatal(levelName + " - " + e.toString());
			}
		}
		else
		{
			log.error(levelName + " servlet accessed with no session");
		}
	}