public void service(HttpServletRequest req, HttpServletResponse res)
     throws IOException, ServletException {
   HttpSession sess = req.getSession(false);
   sess.invalidate();
   System.out.println("Session Closed");
   res.sendRedirect("index.html");
 }
Esempio n. 2
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  public void doGet(HttpServletRequest req, HttpServletResponse res)
      throws ServletException, IOException {

    res.setContentType("text/html");
    PrintWriter out = res.getWriter();
    Enumeration values = req.getParameterNames();
    String name = "";
    String value = "";
    String id = "";
    while (values.hasMoreElements()) {
      name = ((String) values.nextElement()).trim();
      value = req.getParameter(name).trim();
      if (name.equals("id")) id = value;
    }
    if (url.equals("")) {
      url = getServletContext().getInitParameter("url");
      cas_url = getServletContext().getInitParameter("cas_url");
    }
    HttpSession session = null;
    session = req.getSession(false);
    if (session != null) {
      session.invalidate();
    }
    res.sendRedirect(cas_url);
    return;
  }
  /**
   * this is the main method of the servlet that will service all get requests.
   *
   * @param request HttpServletRequest
   * @param responce HttpServletResponce
   */
  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    HttpSession session = null;
    try {
      try {
        session = request.getSession(true);
      } catch (Exception e) {
        Log.error(e, "PingSession2.doGet(...): error getting session");
        // rethrow the exception for handling in one place.
        throw e;
      }

      // Get the session data value
      Integer ival = (Integer) session.getAttribute("sessiontest.counter");
      // if there is not a counter then create one.
      if (ival == null) {
        ival = new Integer(1);
      } else {
        ival = new Integer(ival.intValue() + 1);
      }
      session.setAttribute("sessiontest.counter", ival);
      // if the session count is equal to five invalidate the session
      if (ival.intValue() == 5) {
        session.invalidate();
      }

      try {
        // Output the page
        response.setContentType("text/html");
        response.setHeader("SessionTrackingTest-counter", ival.toString());

        PrintWriter out = response.getWriter();
        out.println(
            "<html><head><title>Session Tracking Test 2</title></head><body><HR><BR><FONT size=\"+2\" color=\"#000066\">HTTP Session Test 2: Session create/invalidate <BR></FONT><FONT size=\"+1\" color=\"#000066\">Init time: "
                + initTime
                + "</FONT><BR><BR>");
        hitCount++;
        out.println(
            "<B>Hit Count: " + hitCount + "<BR>Session hits: " + ival + "</B></body></html>");
      } catch (Exception e) {
        Log.error(e, "PingSession2.doGet(...): error getting session information");
        // rethrow the exception for handling in one place.
        throw e;
      }

    } catch (Exception e) {
      // log the excecption
      Log.error(e, "PingSession2.doGet(...): error.");
      // set the server responce to 500 and forward to the web app defined error page
      response.sendError(500, "PingSession2.doGet(...): error. " + e.toString());
    }
  } // end of the method
Esempio n. 4
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  /** @service the servlet service request. called once for each servlet request. */
  public void service(HttpServletRequest servReq, HttpServletResponse servRes) throws IOException {
    String name;
    String value[];
    String val;

    servRes.setHeader("AUTHORIZATION", "user fred:mypassword");
    ServletOutputStream out = servRes.getOutputStream();

    HttpSession session = servReq.getSession(true);
    session.setAttribute("timemilis", new Long(System.currentTimeMillis()));
    if (session.isNew()) {
      out.println("<p> Session is new ");
    } else {
      out.println("<p> Session is not new ");
    }
    Long l = (Long) session.getAttribute("timemilis");
    out.println("<p> Session id = " + session.getId());
    out.println("<p> TimeMillis = " + l);

    out.println("<H2>Servlet Params</H2>");
    Enumeration e = servReq.getParameterNames();
    while (e.hasMoreElements()) {
      name = (String) e.nextElement();
      value = servReq.getParameterValues(name);
      out.println(name + " : ");
      for (int i = 0; i < value.length; ++i) {
        out.println(value[i]);
      }
      out.println("<p>");
    }

    out.println("<H2> Request Headers : </H2>");
    e = servReq.getHeaderNames();
    while (e.hasMoreElements()) {
      name = (String) e.nextElement();
      val = (String) servReq.getHeader(name);
      out.println("<p>" + name + " : " + val);
    }
    try {
      BufferedReader br = servReq.getReader();
      String line = null;
      while (null != (line = br.readLine())) {
        out.println(line);
      }
    } catch (IOException ie) {
      ie.printStackTrace();
    }

    session.invalidate();
  }
Esempio n. 5
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 public void doGet(HttpServletRequest request, HttpServletResponse response)
     throws IOException, ServletException {
   HttpSession session = request.getSession();
   String food = (String) session.getAttribute("FOOD");
   String animal = request.getParameter("ANIMAL");
   session.invalidate();
   response.setContentType("text/html;charset=euc-kr");
   PrintWriter out = response.getWriter();
   out.println("<HEAD><TITLE>성격 테스트</TITLE></HEAD>");
   out.println("<BODY>");
   out.println("<H3>성격 테스트</H3>");
   out.printf("당신은 %s와 %s를 좋아하는 성격입니다.", food, animal);
   out.println("</BODY>");
   out.println("</HTML>");
 }
Esempio n. 6
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File: Logout.java Progetto: rcg0/arc
  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    // tengo que eliminar al usuario de la sesión
    HttpSession session = request.getSession(false);

    String next = "/error.html";
    if (session != null) {
      User user = (User) session.getAttribute("user");
      session.removeAttribute("user");
      session.invalidate();
      next = "/login.html"; // JSP destino
    }

    RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(next);
    dispatcher.forward(request, response);
  }
  /**
   * Logout a Trade User Dispatch to the Trade Welcome JSP for display
   *
   * @param userID The User to logout
   * @param ctx the servlet context
   * @param req the HttpRequest object
   * @param resp the HttpResponse object
   * @param results A short description of the results/success of this web request provided on the
   *     web page
   * @exception javax.servlet.ServletException If a servlet specific exception is encountered
   * @exception javax.io.IOException If an exception occurs while writing results back to the user
   */
  void doLogout(ServletContext ctx, HttpServletRequest req, HttpServletResponse resp, String userID)
      throws ServletException, IOException {
    String results = "";

    try {
      tAction.logout(userID);

    } catch (java.lang.IllegalArgumentException e) { // this is a user error so I will
      // forward them to another page, at the end of the page.
      req.setAttribute("results", results + "illegal argument:" + e.getMessage());

      // log the exception with an error level of 3 which means, handled exception but would
      // invalidate a automation run
      Log.error(
          e,
          "TradeServletAction.doLogout(...)",
          "illegal argument, information should be in exception string",
          "treating this as a user error and forwarding on to a new page");
    } catch (Exception e) {
      // log the exception and foward to a error page
      Log.error(
          e,
          "TradeServletAction.doLogout(...):",
          "Error logging out" + userID,
          "fowarding to an error page");
      // set the status_code to 500
      throw new ServletException(
          "TradeServletAction.doLogout(...)" + "exception logging out user " + userID, e);
    }
    HttpSession session = req.getSession();
    if (session != null) {
      session.invalidate();
    }

    Object o = req.getAttribute("TSS-RecreateSessionInLogout");
    if (o != null && ((Boolean) o).equals(Boolean.TRUE)) {
      // Recreate Session object before writing output to the response
      // Once the response headers are written back to the client the opportunity
      // to create a new session in this request may be lost
      // This is to handle only the TradeScenarioServlet case
      session = req.getSession(true);
    }
    requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.WELCOME_PAGE));
  }
Esempio n. 8
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  /**
   * Creates a db connecton.
   *
   * @return true if OK, false if there's a problem
   */
  private boolean createDbConnection(
      HttpSession session, HttpServletRequest req, HttpServletResponse res) throws Exception {

    // At this point a driver and connection may already be set
    // up.  So here it first tests if a connection can be made.
    // If not, set params up, and test the setup.
    if (ConnManager.getConn() == null) {
      ConnManager.getInstance()
          .setLoginParams(
              session.getAttribute("dbtDbDriver"),
              session.getAttribute("dbtDbUrl"),
              session.getAttribute("dbtDbUser"),
              session.getAttribute("dbtDbPassword"));
      if (ConnManager.getConn() == null) {
        Util.putMessagePage(res, "Cannot login to DBT database");
        // Invalidates the session in case connection is "stuck" in error
        session.invalidate();
        return false;
      }
    }
    return true;
  }
  public void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    boolean orderCompleted = true;

    // Get the user's session and shopping cart
    HttpSession session = request.getSession(true);
    ResourceBundle messages = (ResourceBundle) session.getAttribute("messages");
    ShoppingCart cart = (ShoppingCart) session.getAttribute("cart");

    if (cart == null) {
      cart = new ShoppingCart();
      session.setAttribute("cart", cart);
    }

    // Update the inventory
    try {
      utx.begin();
      bookDB.buyBooks(cart);
      utx.commit();
    } catch (Exception ex) {
      try {
        utx.rollback();
      } catch (Exception e) {
        System.out.println("Rollback failed: " + e.getMessage());
      }

      System.err.println(ex.getMessage());
      orderCompleted = false;
    }

    // Payment received -- invalidate the session
    session.invalidate();

    // set content type header before accessing the Writer
    response.setContentType("text/html");
    response.setBufferSize(8192);

    PrintWriter out = response.getWriter();

    // then write the response
    out.println(
        "<html>" + "<head><title>" + messages.getString("TitleReceipt") + "</title></head>");

    // Get the dispatcher; it gets the banner to the user
    RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/banner");

    if (dispatcher != null) {
      dispatcher.include(request, response);
    }

    if (orderCompleted) {
      out.println("<h3>" + messages.getString("ThankYou") + request.getParameter("cardname") + ".");
    } else {
      out.println("<h3>" + messages.getString("OrderError"));
    }

    out.println(
        "<p> &nbsp; <p><strong><a href=\""
            + response.encodeURL(request.getContextPath())
            + "/bookstore\">"
            + messages.getString("ContinueShopping")
            + "</a> &nbsp; &nbsp; &nbsp;"
            + "</body></html>");
    out.close();
  }
Esempio n. 10
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  /** Cracks the command and invokes the appropriate next screen */
  public void doPost(HttpServletRequest req, HttpServletResponse res)
      throws ServletException, IOException {

    try {
      // Sets up session tracking
      ServletContext context = getServletContext();
      HttpSession session = req.getSession();

      // Gets command, which says what button was pressed
      String command = req.getParameter("command");
      if (command == null) {
        Util.putMessagePage(res, "Please go back and use a button");
        return;
      }

      // "Exit" invalidates the session
      if (command.equals("Exit")) {
        Util.exitSession(session, res);
        return;
      }

      // "Relogin" invalidates the session and starts over
      if (command.equals("Relogin")) {
        session.invalidate();
        RequestDispatcher dispatcher = context.getRequestDispatcher(Util.BASE + "index.jsp");
        dispatcher.forward(req, res);
        return;
      }

      // At this point the session may be new, or may be already
      // validated.  If session is not valid, or if a login was
      // specified, do a dbt database login, and validate the
      // user's login.
      if (!Util.isSessionValid(session, null) || req.getParameter("Username") != null) {
        if (!createDbConnection(session, req, res)) return;
        if (!validateLogin(session, req, res)) return;
      }

      // Shows the DBT_DB records
      if (command.indexOf("Databases") > -1) {
        RequestDispatcher dispatcher = context.getRequestDispatcher(Util.BASE + "ShowDbs.jsp");
        dispatcher.forward(req, res);
        return;
      }

      // Displays all the history records
      if (command.indexOf("History") > -1) {
        RequestDispatcher dispatcher = context.getRequestDispatcher(Util.BASE + "ShowHistory.jsp");
        dispatcher.forward(req, res);
        return;
      }

      // Changes the user's password
      if (command.indexOf("Password") > -1) {
        RequestDispatcher dispatcher =
            context.getRequestDispatcher(Util.BASE + "ChangePassword.jsp");
        dispatcher.forward(req, res);
        return;
      }

      // Performs admin functions
      if (command.indexOf("Admin") > -1) {
        RequestDispatcher dispatcher = context.getRequestDispatcher(Util.BASE + "AdminFnc.jsp");
        dispatcher.forward(req, res);
        return;
      }

      Util.putMessagePage(
          res, "<p>Dbtracker internal error<p>Unknown command in " + getServletInfo());
    } catch (ServletException e) {
      throw e;
    } catch (IOException e) {
      throw e;
    } catch (Throwable t) {
      Util.putExceptionPage(res, t);
    }
  }