peded

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import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author root
 */
@WebServlet(name = "Address", urlPatterns = {"/Address"})
public class AddressServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet AddressServlet</title>");
            out.println("</head>");
            out.println("<body>");
            String fname = request.getParameters("fname");
            String ename = request.getParameters("lname");
            String addr = request.getParameters("addr");
            String post = request.getParameters("post");
            String mail = request.getParameters("mail");
            String date = request.getParameters("date");

            if (fname.length()==0 || ename.length() == 0){
                out.println("<h3>Pead sisestama oma nime</h3><br>");
                out.println("<a href=\"index.html\">Proovi uuesti</a>");

            }
            else if (addr.length() == 0 || post.length()== 0){
                out.println("<h3>Pead sisestama oma aadressi</h3><br>");
                out.println("<a href=\"index.html\">Proovi uuesti</a>");
            }
            else if (mail.length() == 0 && !isMail(mail)){
                out.println("<h3>Pead sisestama eposti aadressi</h3><br>");
                out.println("<a href=\"index.html\">Proovi uuesti</a>");
            }
            out.println("<h1>Servlet AddressServlet at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}