
 import java.io.*;

 import javax.servlet.*;

 import javax.servlet.http.*;

 import java.util.*;

 import java.lang.*;





 public class RepBack extends HttpServlet

 {

     public void doPost(HttpServletRequest req,

                        HttpServletResponse res)

                                throws ServletException,IOException

   {

        res.setContentType("text/html");



        PrintWriter toClient = res.getWriter();



        try

         {

// Ordre lagres i filen K:\studwww\lab\oving1\order.txt

         FileWriter resultsFile = new FileWriter("k:" +

              System.getProperty("file.separator") +

              "studwww" + System.getProperty("file.separator") +

              "lab" + System.getProperty("file.separator") +

              "oving1" + System.getProperty("file.separator") +

              "orders" + ".txt",true);

         PrintWriter toFile = new PrintWriter(resultsFile);



          toFile.println("<BEGIN>");



          Enumeration values = req.getParameterNames();



          while (values.hasMoreElements())

          {



                String name = (String)values.nextElement();

                String value = req.getParameterValues(name)[0];

                if(name.compareTo("submit") != 0) {

                    toFile.println(name + ": " + value);

                }



          }



           toFile.println("<END>");



           resultsFile.close();

           toFile.close();



           toClient.println("<HTML>");

           toClient.println("<title>Thank you</title>");

           toClient.println("Thank you for ordering");

           toClient.println("computer books for the Internet course.");



           toClient.println("</HTML>");



        } catch(IOException e){

          toClient.println("<HTML>");

          toClient.println("Problem occured while recording order");

          toClient.println("<BR>");

          toClient.println("Probably user error. OK.");

          toClient.println("</HTML>");



        }







   toClient.close();

 }



 }