1.1 --- a/java/sql-vyuka/src/java/cz/frantovo/sql/vyuka/ajax/Servlet.java	Sun May 31 17:46:11 2009 +0200
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,128 +0,0 @@
     1.4 -package cz.frantovo.sql.vyuka.ajax;
     1.5 -
     1.6 -import cz.frantovo.sql.vyuka.dto.Uzivatel;
     1.7 -import java.io.IOException;
     1.8 -import java.io.PrintWriter;
     1.9 -import javax.servlet.ServletException;
    1.10 -import javax.servlet.http.HttpServlet;
    1.11 -import javax.servlet.http.HttpServletRequest;
    1.12 -import javax.servlet.http.HttpServletResponse;
    1.13 -
    1.14 -/**
    1.15 - * Servlet pro vyřizování AJAXových požadavků.
    1.16 - * @author fiki
    1.17 - */
    1.18 -public class Servlet extends HttpServlet {
    1.19 -
    1.20 -    private static final long serialVersionUID = 9102108273105288056L;
    1.21 -
    1.22 -    private enum akce {
    1.23 -
    1.24 -        /** Provede SQL dotaz. */
    1.25 -        vykonat,
    1.26 -        /** Vypíše historii SQL příkazů daného uživatele. */
    1.27 -        historie,
    1.28 -        /** Nápověda – průvodce */
    1.29 -        napoveda,
    1.30 -        /** Vypíše nějaké nepotřebné informace. */
    1.31 -        test,
    1.32 -        /** Pokud je požadovaná akce nesmysl. */
    1.33 -        chyba
    1.34 -    }
    1.35 -
    1.36 -    /** 
    1.37 -     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
    1.38 -     * @param request servlet request
    1.39 -     * @param response servlet response
    1.40 -     * @throws ServletException if a servlet-specific error occurs
    1.41 -     * @throws IOException if an I/O error occurs
    1.42 -     */
    1.43 -    protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    1.44 -
    1.45 -        /** Používáme pouze UTF-8 */
    1.46 -        response.setContentType("text/html;charset=UTF-8");
    1.47 -        request.setCharacterEncoding("UTF-8");
    1.48 -
    1.49 -        PrintWriter out = response.getWriter();
    1.50 -
    1.51 -        try {
    1.52 -
    1.53 -            akce parametrAkce = akce.chyba;
    1.54 -            try {
    1.55 -                parametrAkce = akce.valueOf(request.getParameter("akce"));
    1.56 -            } catch (Exception e) {
    1.57 -                /** Chyba nebo podvržený AJAXový požadavek → zobrazíme chybovou hlášku */
    1.58 -            }
    1.59 -
    1.60 -
    1.61 -            Ajax a = new Ajax();
    1.62 -
    1.63 -            Uzivatel uzivatel = new Uzivatel(request.getRequestedSessionId(), request.getRemoteAddr());
    1.64 -
    1.65 -            switch (parametrAkce) {
    1.66 -                case vykonat:
    1.67 -                    out.println(a.geSQLVysledek(request.getParameter("sql"), uzivatel));
    1.68 -                    break;
    1.69 -                case historie:
    1.70 -                    out.println(a.getHistorie(uzivatel));
    1.71 -                    break;
    1.72 -                case napoveda:
    1.73 -                    out.println("<p>Nápověda bude…</p>");
    1.74 -                    break;
    1.75 -                case test:
    1.76 -                    out.println("<p>AJAX jede!</p>");
    1.77 -                    out.println("<ol>");
    1.78 -                    out.println("<li>Metoda: " + request.getMethod() + "</li>");
    1.79 -                    out.println("<li>Host: " + request.getRemoteHost() + "</li>");
    1.80 -                    out.println("<li>Adresa: " + request.getRemoteAddr() + "</li>");
    1.81 -                    out.println("<li>Akce: " + request.getParameter("akce") + "</li>");
    1.82 -                    out.println("<li>SQL: " + request.getParameter("sql") + "</li>");
    1.83 -                    out.println("<li>Sezení: " + request.getRequestedSessionId() + "</li>");
    1.84 -                    out.println("<li>URL: " + request.getRequestURL().toString() + "</li>");
    1.85 -                    out.println("</ol>");
    1.86 -                    break;
    1.87 -                case chyba:
    1.88 -                    out.println("<p>chyba</p>");
    1.89 -                    break;
    1.90 -            }
    1.91 -        } finally {
    1.92 -            out.close();
    1.93 -        }
    1.94 -    }
    1.95 -
    1.96 -    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    1.97 -    /** 
    1.98 -     * Handles the HTTP <code>GET</code> method.
    1.99 -     * @param request servlet request
   1.100 -     * @param response servlet response
   1.101 -     * @throws ServletException if a servlet-specific error occurs
   1.102 -     * @throws IOException if an I/O error occurs
   1.103 -     */
   1.104 -    @Override
   1.105 -    protected void doGet(HttpServletRequest request, HttpServletResponse response)
   1.106 -            throws ServletException, IOException {
   1.107 -        processRequest(request, response);
   1.108 -    }
   1.109 -
   1.110 -    /** 
   1.111 -     * Handles the HTTP <code>POST</code> method.
   1.112 -     * @param request servlet request
   1.113 -     * @param response servlet response
   1.114 -     * @throws ServletException if a servlet-specific error occurs
   1.115 -     * @throws IOException if an I/O error occurs
   1.116 -     */
   1.117 -    @Override
   1.118 -    protected void doPost(HttpServletRequest request, HttpServletResponse response)
   1.119 -            throws ServletException, IOException {
   1.120 -        processRequest(request, response);
   1.121 -    }
   1.122 -
   1.123 -    /** 
   1.124 -     * Returns a short description of the servlet.
   1.125 -     * @return a String containing servlet description
   1.126 -     */
   1.127 -    @Override
   1.128 -    public String getServletInfo() {
   1.129 -        return "Servlet pro zpracování AJAXových požadavků.";
   1.130 -    }// </editor-fold>
   1.131 -}