Untitled



import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class helloservlet
 */
@WebServlet("/helloservlet")
public class helloservlet extends HttpServlet {


	private static final long serialVersionUID = 1L;

	//String username = null;
	//String password = null;

    /**
     * Default constructor.
     */
    public helloservlet() {
        super();
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {


			PrintWriter out = response.getWriter();
			//Cookie cookie = null;
			Cookie[] cookies = null;
			cookies = request.getCookies();

			response.setContentType("text/html");


			out.println("<html>");
			out.println("<form name='loginForm' method='post' action='helloservlet'>");

			if (cookies==null)
			{
			out.println("Username: <input type='text' name='username'><br />");
			out.println("Password: <input type='password' name='password'><br />");
			out.println("Cookiet ovat null");
			}
			else
			{

			String username = null;
			String password = null;

			for (int i = 0; i < cookies.length; i++) {
				Cookie cookie = cookies[i];

				if(cookie.getName().equals("Username")) {
					username = cookie.getValue();
				}
				if (cookie.getName().equals("Password")) {

					password = cookie.getValue();
				}
			}
			out.println("Username: <input type='text' value='" + username + "' name='username'/> <br/>");
            out.println("Password: <input type='password' value='" + password + "' name='password'/> <br/>");
            out.println(request.getParameter("Username"));
			}
			out.println("<input type='submit' value='Login' />");
			out.println("</form>");
			out.println("</html>");

	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		PrintWriter out = response.getWriter();
		//String un = request.getParameter("Username");
		//String pw = request.getParameter("Password");
		Cookie uname = new Cookie("Username", request.getParameter("username"));
		Cookie pword = new Cookie("Password", request.getParameter("password"));
		System.out.println(request.getParameter("username"));
		uname.setMaxAge(60*60*24);
		pword.setMaxAge(60*60*24);

		response.addCookie(uname);
		response.addCookie(pword);

		out.println("Evästeet tallennettu onnistuneesti!");
		response.sendRedirect("helloservlet");


	}

}