Example usage for javax.servlet RequestDispatcher forward

Introduction

In this page you can find the example usage for javax.servlet RequestDispatcher forward.

Prototype

public void forward(ServletRequest request, ServletResponse response) throws ServletException, IOException;

Source Link

Document

Forwards a request from a servlet to another resource (servlet, JSP file, or HTML file) on the server.

Usage

From source file:com.maya.portAuthority.googleMaps.MapsService.java

/**
 * Web application to determine nearest bus stop from a source location for a given route# and 
 * direction of transit.// ww  w .j a  va2  s.  c o  m
 */
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    //NearestStopLocator p = new NearestStopLocator();

    //Inputs fom UI:
    String source = request.getParameter("source").replaceAll("\\s", "+");
    String route = request.getParameter("route").trim();
    String direction = request.getParameter("direction").trim();

    try {
        Location c = NearestStopLocator.getSourceLocation(source);
        Stop stop = NearestStopLocator.process(c, route, direction);
        request.setAttribute("nearestStopName", stop.getStopName());
    } catch (JSONException ex) {
        Logger.getLogger(MapsService.class.getName()).log(Level.SEVERE, null, ex);
    } catch (InvalidInputException ex) {
        Logger.getLogger(MapsService.class.getName()).log(Level.SEVERE, null, ex);
    }

    //direct to the results page
    RequestDispatcher view = request.getRequestDispatcher("result.jsp");
    view.forward(request, response);

}

From source file:cz.muni.fi.myweb1.RestaurantServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    RequestDispatcher rd = request.getRequestDispatcher("/outline.jsp");
    rd.forward(request, response);
}

From source file:cz.muni.fi.myweb1.registerServlet.java

/**
 * Handles the HTTP <code>POST</code> method.
 *
 * @param request servlet request//from w  ww  .j ava 2  s. 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 {

    String name = (String) request.getAttribute("username");
    String password = (String) request.getAttribute("password");
    Boolean employee = Boolean.parseBoolean(request.getAttribute("employee").toString());

    if (myFacade.register(name, password, employee)) {
        request.getSession().setAttribute("username", name);
        RequestDispatcher rd = request.getRequestDispatcher("/outline.jsp");
        rd.forward(request, response);
    }

    else {
        //TODO error
    }
}

From source file:controller.product.renderUpdateProductServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Product product = new Product();
    ProductDAO productDAO = new ProductDAO();
    String name = request.getParameter("name");
    if (productDAO.connect()) {
        product = productDAO.getProductByName(name);
        request.setAttribute("product", product);
    }//from  ww w . j  av a 2  s.co m

    productDAO.disconnect();
    RequestDispatcher rd = request.getRequestDispatcher("adminpages/updateProduct.jsp");
    rd.forward(request, response);
}

From source file:controller.product.renderUpdateProductServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Product product = new Product();
    ProductDAO productDAO = new ProductDAO();
    String name = request.getParameter("name");
    if (productDAO.connect()) {
        product = productDAO.getProductByName(name);
        request.setAttribute("product", product);
    }/*from   ww  w .j  av a2 s.c  o m*/

    productDAO.disconnect();
    RequestDispatcher rd = request.getRequestDispatcher("adminpages/updateProduct.jsp");
    rd.forward(request, response);

}

From source file:net.hillsdon.reviki.web.dispatching.impl.ResourceHandlerImpl.java

public View handle(final ConsumedPath path, final HttpServletRequest request,
        final HttpServletResponse response) throws Exception {
    if (!path.hasNext()) {
        throw new NotFoundException();
    }/*from  w  w  w  . java2 s .c o m*/

    StringBuilder sb = new StringBuilder("/resources");

    while (path.hasNext()) {
        sb.append("/");
        sb.append(URIUtil.encodeWithinPath(path.next()));
    }

    final String resource = sb.toString();

    return new View() {
        public void render(final HttpServletRequest request, final HttpServletResponse response)
                throws Exception {
            RequestDispatcher requestDispatcher = request.getRequestDispatcher(resource);
            requestDispatcher.forward(request, response);
        }
    };
}

From source file:org.beangle.security.web.access.DefaultAccessDeniedHandler.java

public void handle(ServletRequest request, ServletResponse response, AccessDeniedException exception)
        throws IOException, ServletException {
    if (null != location) {

    }/*  www .ja  v a 2s . c  om*/
    if (errorPage != null) {
        // Put exception into request scope (perhaps of use to a view)
        ((HttpServletRequest) request).setAttribute(ACCESS_DENIED_EXCEPTION_KEY, exception);
        // Perform RequestDispatcher "forward"
        RequestDispatcher rd = request.getRequestDispatcher(errorPage);
        rd.forward(request, response);
    }

    if (!response.isCommitted()) {
        // Send 403 (we do this after response has been written)
        ((HttpServletResponse) response).sendError(HttpServletResponse.SC_FORBIDDEN, exception.getMessage());
    }
}

From source file:alpha.portal.webapp.filter.MockFilterChain.java

public void doFilter(final ServletRequest request, final ServletResponse response)
        throws IOException, ServletException {
    String uri = ((HttpServletRequest) request).getRequestURI();
    final String requestContext = ((HttpServletRequest) request).getContextPath();

    if (StringUtils.isNotEmpty(requestContext) && uri.startsWith(requestContext)) {
        uri = uri.substring(requestContext.length());
    }/*  www. ja  va 2  s.  co m*/

    this.forwardURL = uri;
    this.log.debug("Forwarding to: " + uri);

    final RequestDispatcher dispatcher = request.getRequestDispatcher(uri);
    dispatcher.forward(request, response);
}

From source file:controller.KlantController.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String forward = "";
    String action = request.getParameter("action");

    if (action.equalsIgnoreCase("delete")) {
        int idKlant = Integer.parseInt(request.getParameter("idKlant"));
        dao.deleteKlantById(idKlant);/*from   ww w  .  ja v  a  2s .co m*/
        forward = LIST_KLANT;
        request.setAttribute("klanten", dao.readAlleKlanten());
    } else if (action.equalsIgnoreCase("edit")) {
        forward = INSERT_OR_EDIT;
        int idKlant = Integer.parseInt(request.getParameter("idKlant"));
        Klant klant = dao.readKlantOpId(idKlant);
        request.setAttribute("klant", klant);
    } else if (action.equalsIgnoreCase("listKlant")) {
        forward = LIST_KLANT;
        request.setAttribute("klanten", dao.readAlleKlanten());
    } else {
        forward = INSERT_OR_EDIT;
    }

    RequestDispatcher view = request.getRequestDispatcher(forward);
    view.forward(request, response);
}

From source file:web.KategoriServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./* w  w  w  .  j a v  a  2  s . c o  m*/
 *
 * @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 {
    EntityManager em = emf.createEntityManager();
    KategoriDAO dao = new KategoriDAOImpl(em);
    request.setAttribute("kategoris", dao.getAll());
    RequestDispatcher rd = request.getRequestDispatcher("daftar_kategori.jsp");
    rd.forward(request, response);
}