Example usage for javax.servlet.http HttpServletRequest getRequestDispatcher

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getRequestDispatcher.

Prototype

public RequestDispatcher getRequestDispatcher(String path);

Source Link

Document

Returns a RequestDispatcher object that acts as a wrapper for the resource located at the given path.

Usage

From source file:com.netcracker.financeapp.controller.spending.SpendingServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    ArrayList<String> spendingTypeList = typeService.getSpendingTypeNames();
    request.setAttribute("spendingTypeList", spendingTypeList);

    ArrayList<String> bankCardNumbers = bankCardService.getBankCardNumbers();
    request.setAttribute("fromList", bankCardNumbers);

    ArrayList<String> agentNames = agentService.getAgentNames();
    request.setAttribute("toList", agentNames);

    request.getRequestDispatcher("spending/spendingPage.jsp").forward(request, response);

}

From source file:io.github.benas.todolist.web.servlet.todo.CreateTodoServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    HttpSession session = request.getSession();
    User user = (User) session.getAttribute(TodoListUtils.SESSION_USER);

    String title = request.getParameter("title");
    String dueDate = request.getParameter("dueDate");
    String priority = request.getParameter("priority");

    Todo todo = new Todo(user.getId(), title, false, Priority.valueOf(priority), new Date(dueDate));
    todoService.create(todo);/*ww w . jav  a  2  s . co m*/
    request.getRequestDispatcher("/todos").forward(request, response);

}

From source file:org.blanco.gae.blog.BlogServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    //Parse the input form
    Entry entry = new Entry();
    entry.setAuthor(req.getParameter("author"));
    entry.setEntry(req.getParameter("entry"));
    entry.setDate(new Date(System.currentTimeMillis()));
    //store the entry
    Session session = (Session) ctx.getBean("session");
    session.persist(entry);//  w  w  w  .  j  a  v a2 s .c o  m
    session.flush();
    session.close();
    req.setAttribute("entry", entry);
    //forward to presentation
    req.getRequestDispatcher("entry_created.jsp").forward(req, resp);
}

From source file:io.github.benas.todolist.web.servlet.user.LoginServlet.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    String email = request.getParameter("email");
    String password = request.getParameter("password");

    LoginForm loginForm = new LoginForm();
    loginForm.setEmail(email);/* www  .j  a  v  a 2  s. co m*/
    loginForm.setPassword(password);

    String nextPage = LOGIN_PAGE;

    validateCredentials(request, loginForm);

    if (isInvalid(request)) {
        request.getRequestDispatcher(nextPage).forward(request, response);
        return;
    }

    if (isInvalidCombination(email, password)) {
        request.setAttribute("error", resourceBundle.getString("login.error.global.invalid"));
    } else {
        HttpSession session = request.getSession(true);//create session
        User user = userService.getUserByEmail(email);
        session.setAttribute(TodoListUtils.SESSION_USER, user);
        nextPage = "/todos";
    }
    request.getRequestDispatcher(nextPage).forward(request, response);
}

From source file:com.gigglinggnus.controllers.AdminClockController.java

/**
 *
 * @param request servlet request/*  ww  w  .ja va2s  . c o  m*/
 * @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 {
    EntityManager em = (EntityManager) request.getSession().getAttribute("em");

    String strTime = request.getParameter("systemTime");
    LocalDateTime ldTime = LocalDateTime.parse(strTime);
    Instant instant = ldTime.atZone(ZoneId.systemDefault()).toInstant();

    Clock clk = Clock.fixed(instant, ZoneId.systemDefault());

    request.getSession().setAttribute("clock", clk);

    RequestDispatcher rd = request.getRequestDispatcher("/home.jsp");
    rd.forward(request, response);
}

From source file:com.netcracker.financeapp.controller.type.typeAddServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String typeName = request.getParameter("typeName");
    if (request.getParameter("radios") != null) {
        int typeId = 0;
        if (request.getParameter("radios").equals("INCOME")) {
            typeId = typeService.insertIncomeType(typeName);
        } else if (request.getParameter("radios").equals("SPENDING")) {
            typeId = typeService.insertSpendingType(typeName);
        }//www . j av  a  2s. co m

        if (typeId > 0) {
            request.getRequestDispatcher("templates/success.jsp").forward(request, response);
        } else {
            request.getRequestDispatcher("templates/error.jsp").forward(request, response);
        }
    } else {
        request.getRequestDispatcher("templates/error.jsp").forward(request, response);
    }

}

From source file:com.mondospider.spiderlocationapi.SetSpiderLocation.java

public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {

    if (!req.isSecure()) {
        resp.getWriter()/*from   w w  w  .  jav  a2 s  . co m*/
                .println("{\"result:error\", \"reason\":\"SSL secured connection required for updates.\"}");
        return;
    }

    if (req.getParameter("lat") == null || req.getParameter("lng") == null || req.getParameter("pwd") == null) {
        //Display Error&Help
        try {
            req.getRequestDispatcher("/index.html").forward(req, resp);
        } catch (ServletException e) {
            resp.getWriter().println("{\"result:error\", \"reason\":\"Forward failed\"}");
            e.printStackTrace();
            return;
        }
    }

    // Permission Check
    String key = req.getParameter("pwd");
    if (!isSecretKeyTrue(key)) {
        // accessDenied
        resp.getWriter().println("{\"result:error\", \"reason\":\"Wrong Key\"}");
        return;
    }

    try {

        // Get lat/lng Parameters and validate
        double lat = 0;
        double lng = 0;

        try {
            lat = Double.parseDouble(req.getParameter("lat"));
            lng = Double.parseDouble(req.getParameter("lng"));
        } catch (NumberFormatException e) {
            responseResp.put("result", "error");
            responseResp.put("reason", "Parameter lat or log missing or invalid");

            resp.getWriter().println(responseResp.toString(2));

            return;
        }

        String status = req.getParameter("status");

        // Update Position
        updatePosition("spider", lat, lng, status);

        responseResp.put("result", "success");
        responseResp.put("updated_on", new Date());

        resp.setContentType("text/plain");

        resp.getWriter().println(responseResp.toString(2));
        return;

    } catch (JSONException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    resp.sendRedirect("/index.html");

}

From source file:org.jtwig.functions.SpringFunctions.java

@JtwigFunction(name = "render")
public String render(HttpServletRequest request, @Parameter String url,
        @Parameter Map<String, String> parameters) throws FunctionException {
    RenderHttpServletResponse responseWrapper = new RenderHttpServletResponse();
    RenderHttpServletRequest builder = new RenderHttpServletRequest(request).to(url).withMethod(GET);

    for (Map.Entry<String, String> entry : parameters.entrySet()) {
        builder.withGetParameter(entry.getKey(), entry.getValue());
    }/*from  www.  ja  v a 2  s  .c  o  m*/

    try {
        RequestDispatcher requestDispatcher = request.getRequestDispatcher(request.getServletPath());
        requestDispatcher.include(builder, responseWrapper);

        return responseWrapper.toString();
    } catch (ServletException | IOException e) {
        throw new FunctionException(e);
    }
}

From source file:com.ibm.bluemix.samples.HomeServlet.java

/**
 * Returns information about the files stored in the database to the home.jsp
 *///from  w w  w.  j  a  v a2 s. c  o  m
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    System.out.println("Home Servlet");

    try {
        List<JSONObject> files = db.getResults();
        request.setAttribute("files", files);
    } catch (Exception e) {
        request.setAttribute("msg", e.getMessage());
        request.setAttribute("files", new ArrayList<JSONObject>());
        e.printStackTrace(System.err);
    }

    response.setContentType("text/html");
    response.setStatus(200);
    request.getRequestDispatcher("/home.jsp").forward(request, response);
}

From source file:common.interceptors.MyInterceptor.java

@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler,
        Exception ex) throws Exception {
    if (ex != null) {
        log.error(":(", ex);
        //trying to show error page
        Pages errorPage = (Pages) request.getAttribute("error_page");
        if (errorPage != null) {
            request.setAttribute(gallery.web.controller.pages.Config.CURRENT_PAGE_ATTRIBUTE, errorPage);
            UrlBean url = type.execute(request, response);
            request.setAttribute(config.getUrlAttribute(), url);
            request.getRequestDispatcher(config.getTemplateUrl()).forward(request, response);
        }/*  w  w  w. j a v  a2 s. c  om*/
    }
}