Example usage for javax.servlet.http HttpServletRequest getRequestDispatcher

List of usage examples for javax.servlet.http HttpServletRequest getRequestDispatcher

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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:Movies.SearchMovies.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*  w  w  w . j a va2 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 {

    String search = request.getParameter("search");
    search = URLEncoder.encode(search, "UTF-8");
    URL url = new URL("http://www.omdbapi.com/?s=" + search);
    ObjectMapper mapper = new ObjectMapper();
    Map<String, Object> map = mapper.readValue(url, Map.class);

    List list = (List) map.get("Search");

    request.setAttribute("list", list);

    request.getRequestDispatcher("movies.jsp").forward(request, response);

}

From source file:com.iwancool.dsm.admin.filter.DsmSecurityInterceptor.java

/**
 * controller?//from ww  w.  jav  a2 s  .  c o m
 */
@SuppressWarnings("unchecked")
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
        throws Exception {

    String requestPath = request.getRequestURI().substring(request.getContextPath().length());
    //???
    if (excludeUrls.contains(requestPath))
        return true;
    //
    if (!SessionUtils.isLogin(request)) {
        request.setAttribute("msg", "");
        request.getRequestDispatcher("/login/index").forward(request, response);
        return false;
    }

    List<PermissionModel> permissionList = (List<PermissionModel>) SessionUtils.getAttr(request,
            SessionUtils.ADMIN_PERMISSION_CACHE_KEY);
    return true;
    //return hasPermission(permissionList, requestPath);
}

From source file:com.sielpe.controller.GestionarCandidatos.java

/**
 * peticion redireccion a nuevo candidato
 *
 * @param request// w ww .j  av a 2  s  . co m
 * @param response
 * @throws IOException
 * @throws ServletException
 * @throws MiExcepcion
 */
public void redireccionNuevoCandidato(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    if (request.getParameter("add") != null) {
        ArrayList<Eleccion> eleccionesVigentes = (ArrayList) facadeDAO.eleccionesVigentes();
        request.setAttribute("eleccionesVigentes", eleccionesVigentes);
        request.getRequestDispatcher("nuevoCandidato.jsp").forward(request, response);
    } else {
        nuevoCandidato(request, response);
    }
}

From source file:it.volaconnoi.servlet.CheckInServlet.java

/**
 * Handles the HTTP <code>POST</code> method.
 *
 * @param request servlet request//from w  w w  .j  a v  a2 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 reserv_id = request.getParameter("reserv_id");

    List<Reservation> reserv = reservationBean.getValidReservation(StringUtils.upperCase(reserv_id));

    if (reserv != null) {
        request.setAttribute("reserv", reserv.get(0));
    } else {
        request.setAttribute("notfoundreserv", "Nessuna prenotazione corrispondete al PNR inserito!");
    }

    request.getRequestDispatcher("/WEB-INF/checkin/checkin.jsp").forward(request, response);
}

From source file:com.afspq.web.ProcessQuery.java

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
 *//*from  w ww.  ja  va 2s.  c  o m*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    response.setContentType("text/html");
    String searchType = request.getParameter("searchType");

    if (searchType != null && searchType.equals("image")) {
        request.setAttribute("results", new ImageResults().getResults(request.getParameter("imgQuery"),
                imageSearch, Integer.parseInt(request.getParameter("similar")), false));
        request.getRequestDispatcher("imageResults.jsp").forward(request, response);

    } else if (searchType != null && searchType.equals("web")) {
        request.setAttribute("results", new Results().getResults(request.getParameter("query"), fullTextSearch,
                Integer.parseInt(request.getParameter("page")), 8));
        request.getRequestDispatcher("results.jsp").forward(request, response);
    }
}

From source file:org.zkoss.zkgrails.ZKGrailsPageFilter.java

protected void applyDecorator(Page page, Decorator decorator, HttpServletRequest request,
        HttpServletResponse response) throws ServletException, IOException {
    final String uriPath = decorator.getURIPath();
    if (uriPath != null && uriPath.endsWith(".gsp")) {
        request.setAttribute(PAGE, page);

        detectContentTypeFromPage(page, response);

        RequestDispatcher rd = request.getRequestDispatcher(decorator.getURIPath());
        if (!response.isCommitted()) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Rendering layout using forward: " + decorator.getURIPath());
            }/*from ww  w. j  av  a  2s .  c o  m*/
            rd.forward(request, response);
        } else {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Rendering layout using include: " + decorator.getURIPath());
            }
            request.setAttribute(GrailsApplicationAttributes.GSP_TO_RENDER, decorator.getURIPath());
            rd.include(request, response);
            request.removeAttribute(GrailsApplicationAttributes.GSP_TO_RENDER);
        }

        // set the headers specified as decorator init params
        while (decorator.getInitParameterNames().hasNext()) {
            String initParam = (String) decorator.getInitParameterNames().next();
            if (initParam.startsWith("header.")) {
                response.setHeader(initParam.substring(initParam.indexOf('.')),
                        decorator.getInitParameter(initParam));
            }
        }
        request.removeAttribute(PAGE);
    } else {

        super.applyDecorator(page, decorator, request, response);

    }
}

From source file:ar.com.zauber.commons.web.filter.HttpRequestHeaderFilter.java

/** @see OncePerRequestFilter#doFilterInternal(
 *       HttpServletRequest, HttpServletResponse, FilterChain) */
@Override/*from  www.  ja v  a 2 s. c o  m*/
protected final void doFilterInternal(final HttpServletRequest request, final HttpServletResponse response,
        final FilterChain filterChain) throws ServletException, IOException {

    final String headerValue = request.getHeader(headerName);

    if (headerValue != null && isAcceptableValue(headerValue)) {
        //se contina procesando el request
        filterChain.doFilter(request, response);
    } else {
        //se detiene el proceso y redirecciona a target
        response.setStatus(statusCode);
        request.getRequestDispatcher(target).forward(request, response);
    }
}

From source file:cn.org.pomer.web.DirectResult.java

private void doDispatcher(HttpServletResponse response, HttpServletRequest request, String resultCodeAsLocation)
        throws IOException, ServletException {
    if (_log.isInfoEnabled()) {
        _log.info("Forwarding to location:" + resultCodeAsLocation);
    }//from   ww  w .  jav  a 2s.  co m

    PageContext pageContext = ServletActionContext.getPageContext();
    if (pageContext != null) {
        pageContext.include(resultCodeAsLocation);
        return;
    }

    RequestDispatcher dispatcher = request.getRequestDispatcher(resultCodeAsLocation);
    if (dispatcher == null) {
        response.sendError(404, "result '" + resultCodeAsLocation + "' not found");
        return;
    }

    if (!response.isCommitted() && (request.getAttribute("javax.servlet.include.servlet_path") == null)) {
        request.setAttribute("struts.view_uri", resultCodeAsLocation);
        request.setAttribute("struts.request_uri", request.getRequestURI());

        dispatcher.forward(request, response);
    } else {
        dispatcher.include(request, response);
    }
}

From source file:Control.LoadImage.java

/**
 * Handles the HTTP <code>GET</code> method.
 *
 * @param request servlet request/*from   ww  w  .  ja  v  a 2 s .co  m*/
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {
        List<Image> images = loadImages(request, response);
        request.setAttribute("images", images);

    } catch (SQLException | ClassNotFoundException ex) {
        Logger.getLogger(LoadImage.class.getName()).log(Level.SEVERE, null, ex);
    }
    RequestDispatcher dispatcher = request.getRequestDispatcher("/LoadImage.jsp");
    dispatcher.forward(request, response);
}

From source file:com.sielpe.controller.GestionarCandidatos.java

/**
 * peticion listar Elecciones/*from  www . j a va 2  s  .com*/
 *
 * @param request
 * @param response
 * @throws IOException
 * @throws ServletException
 */
public void ListarCandidatos(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    if (request.getQueryString() == null || request.getParameter("msg") != null) {
        ArrayList<Candidato> listaCandidatos = (ArrayList) facadeDAO.listarCandidatos();
        request.setAttribute("listCandidatos", listaCandidatos);
        request.getRequestDispatcher("GestionCandidatos.jsp").forward(request, response);
    } else {
        redireccionNuevoCandidato(request, response);
    }
}