Example usage for javax.servlet RequestDispatcher forward

List of usage examples for javax.servlet RequestDispatcher forward

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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:Controller.ControllerImage.java

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

    boolean isMultipart = ServletFileUpload.isMultipartContent(request);
    if (!isMultipart) {

    } else {
        FileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        List items = null;
        try {
            items = upload.parseRequest(request);
        } catch (Exception e) {
            e.printStackTrace();
        }
        Iterator iter = items.iterator();
        Hashtable params = new Hashtable();
        String fileName = null;
        while (iter.hasNext()) {
            FileItem item = (FileItem) iter.next();
            if (item.isFormField()) {
                params.put(item.getFieldName(), item.getString());
            } else {

                try {
                    String itemName = item.getName();
                    fileName = itemName.substring(itemName.lastIndexOf("\\") + 1);
                    String RealPath = getServletContext().getRealPath("/") + "upload\\" + fileName;
                    String code = (String) params.get("txtCode");
                    String name = (String) params.get("txtName");
                    String price = (String) params.get("txtPrice");
                    int a = Integer.parseInt(price);
                    String image = (String) params.get("txtImage");
                    //Update  product
                    if (fileName.equals("")) {

                        Products sp = new Products();
                        sp.Update(code, name, price, image);
                        RequestDispatcher rd = request.getRequestDispatcher("product.jsp");
                        rd.forward(request, response);

                    } else {
                        // bat dau ghi file
                        File savedFile = new File(RealPath);
                        item.write(savedFile);
                        //ket thuc ghi
                        Products sp = new Products();
                        sp.Update(code, name, price, "upload\\" + fileName);

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

                } catch (Exception e) {
                    RequestDispatcher rd = request.getRequestDispatcher("InformationError.jsp");
                    rd.forward(request, response);
                }
            }

        }
    }

    this.processRequest(request, response);

}

From source file:com.kesdip.license.web.servlet.UpdateServlet.java

/**
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
 *      javax.servlet.http.HttpServletResponse)
 *///from   w  ww  .  ja  v a  2s . co m
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {

    // make sure this is not a browser
    String userAgent = req.getHeader("user-agent");
    if (!userAgent.startsWith("Java")) {
        if (logger.isDebugEnabled()) {
            logger.debug("'" + userAgent + "' forbidden");
        }
        res.sendError(HttpServletResponse.SC_FORBIDDEN, FORBIDDEN_MESSAGE);
        return;
    }
    // get the customer UUID
    String uuid = req.getRemoteUser();
    if (StringUtils.isEmpty(uuid)) {
        logger.debug("Empty customer uuid");
        res.sendError(HttpServletResponse.SC_FORBIDDEN, FORBIDDEN_MESSAGE);
        return;
    }
    // if requesting site.xml or the root (Eclipse does both), check the DB
    String uri = req.getRequestURI();
    String servletPath = req.getServletPath();
    if (uri.endsWith(servletPath) || uri.endsWith(SITE_XML)) {
        if (!supportEnabled(uuid)) {
            logger.warn("Update denied for '" + uuid + "'");
            res.sendError(HttpServletResponse.SC_FORBIDDEN, FORBIDDEN_MESSAGE);
            return;
        }
    }
    // if requesting site.xml, log the request
    if (uri.endsWith(SITE_XML)) {
        logUpdateRequest(uuid, req.getRemoteAddr(), userAgent);
    }
    // all OK, forward to the actual file
    String translatedUri = uri.substring(req.getContextPath().length()).replace(servletPath, actualUpdateRoot);
    if (logger.isTraceEnabled()) {
        logger.trace("Forwarding to '" + translatedUri + "'");
    }
    RequestDispatcher rd = servletContext.getRequestDispatcher(translatedUri);
    rd.forward(req, res);
}

From source file:com.mockey.ui.TwistInfoToggleServlet.java

/**
 * Handles the following activities for <code>TwistInfo</code>
 * /*from  w w  w.  j  a v  a  2s  .  c o m*/
 */
public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    String responseType = req.getParameter("response-type");
    // If type is JSON, then respond with JSON
    // Otherwise, direct to JSP

    Long twistInfoId = null;
    TwistInfo twistInfo = null;
    String coachingMessage = null;
    JSONObject jsonObject = new JSONObject();

    try {
        twistInfoId = new Long(req.getParameter(PARAMETER_KEY_TWIST_ID));
        boolean enable = Boolean.parseBoolean(req.getParameter(PARAMETER_KEY_TWIST_ENABLE));
        twistInfo = store.getTwistInfoById(twistInfoId);
        if (enable) {
            store.setUniversalTwistInfoId(twistInfo.getId());
            if (twistInfo != null) {
                jsonObject.put(PARAMETER_KEY_TWIST_ID, "" + twistInfo.getId());
                jsonObject.put(PARAMETER_KEY_TWIST_NAME, "" + twistInfo.getName());
                coachingMessage = "Twist configuration on";
            }

        } else if (store.getUniversalTwistInfoId() != null
                && store.getUniversalTwistInfoId().equals(twistInfoId)) {
            // Disable
            // The only way to DISABLE _all_ twist configurations, both ENABLE (false) and TWIST-ID value (equal 
            // to the current universal twist-id have to be passed in. 
            // Why? To prevent random 'ENABLE=false' arguments past to this service from users 
            // clicking OFF/disable when things are already disabled. 
            // 
            store.setUniversalTwistInfoId(null);
            coachingMessage = "Twist configuration off";
        }

    } catch (Exception e) {
        logger.error("Unable to properly set Twist configuration.", e);
    }

    if (PARAMETER_KEY_RESPONSE_TYPE_VALUE_JSON.equalsIgnoreCase(responseType)) {
        // ***********************
        // BEGIN - JSON response
        // ***********************
        resp.setContentType("application/json");
        PrintWriter out = resp.getWriter();
        try {
            JSONObject jsonResponseObject = new JSONObject();
            if (twistInfo != null) {
                jsonObject.put("success", coachingMessage);

            } else {
                jsonObject.put("fail", "Unable to set twist configuration.");

            }
            jsonResponseObject.put("result", jsonObject);
            out.println(jsonResponseObject.toString());

        } catch (JSONException jsonException) {
            throw new ServletException(jsonException);
        }

        out.flush();
        out.close();
        return;
        // ***********************
        // END - JSON response
        // ***********************

    } else {
        List<TwistInfo> twistInfoList = store.getTwistInfoList();
        Util.saveSuccessMessage("Twist configuration updated", req);
        req.setAttribute("twistInfoList", twistInfoList);
        req.setAttribute("twistInfoIdEnabled", store.getUniversalTwistInfoId());
        RequestDispatcher dispatch = req.getRequestDispatcher("/twistinfo_setup.jsp");
        dispatch.forward(req, resp);
        return;
    }

}

From source file:edu.lternet.pasta.portal.UserBrowseServlet.java

/**
 * The doPost method of the servlet. <br>
 * /*from   w  w  w .ja  v a2s. c  o  m*/
 * This method is called when a form has its tag value method equals to post.
 * 
 * @param request
 *          the request send by the client to the server
 * @param response
 *          the response send by the server to the client
 * @throws ServletException
 *           if an error occurred
 * @throws IOException
 *           if an error occurred
 */
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    HttpSession httpSession = request.getSession();
    String uid = (String) httpSession.getAttribute("uid");
    String distinguishedName = (String) httpSession.getAttribute("uid");
    String forward = null;
    String browseMessage = "View a data package you have uploaded.";

    if (uid == null || uid.isEmpty() || uid.equals("public") || distinguishedName == null
            || distinguishedName.isEmpty()) {
        String message = LOGIN_WARNING;
        forward = "./login.jsp";
        request.setAttribute("message", message);
        request.setAttribute("from", "userBrowseServlet");
    } else {
        forward = "./dataPackageBrowser.jsp";

        String text = null;
        String html = null;
        Integer count = 0;

        try {

            DataPackageManagerClient dpmClient = new DataPackageManagerClient(uid);
            text = dpmClient.listUserDataPackages(distinguishedName);
            StrTokenizer tokens = new StrTokenizer(text);
            html = "<ol>\n";
            EmlPackageIdFormat epif = new EmlPackageIdFormat();

            while (tokens.hasNext()) {
                String packageId = tokens.nextToken();
                EmlPackageId epid = epif.parse(packageId);
                String scope = epid.getScope();
                Integer identifier = epid.getIdentifier();
                Integer revision = epid.getRevision();
                html += String.format(
                        "<li><a class=\"searchsubcat\" href=\"./mapbrowse?scope=%s&identifier=%d&revision=%d\">%s</a></li>\n",
                        scope, identifier, revision, packageId);
                count++;
            }

            html += "</ol>\n";
            request.setAttribute("html", html);
            request.setAttribute("count", count.toString());
            if (count < 1) {
                browseMessage = String.format("No data packages have been uploaded by user '%s'.",
                        distinguishedName);
            }
            request.setAttribute("browsemessage", browseMessage);
        } catch (Exception e) {
            handleDataPortalError(logger, e);
        }
    }

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

From source file:com.camel.action.base.LoginAction.java

public String doLogOut() throws IOException, ServletException {
    ExternalContext context = FacesContext.getCurrentInstance().getExternalContext();

    RequestDispatcher dispatcher = ((ServletRequest) context.getRequest())
            .getRequestDispatcher("/j_spring_security_logout");

    dispatcher.forward((ServletRequest) context.getRequest(), (ServletResponse) context.getResponse());

    FacesContext.getCurrentInstance().responseComplete();
    return null;//from w  w w.  j av a  2  s .c  o  m
}

From source file:controller.uploadPergunta3.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//from   www.ja  va 2  s  . co 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 idLocal = (String) request.getParameter("idLocal");

    String name = "";
    //process only if its multipart content
    if (ServletFileUpload.isMultipartContent(request)) {
        try {
            List<FileItem> multiparts = new ServletFileUpload(new DiskFileItemFactory()).parseRequest(request);

            for (FileItem item : multiparts) {
                if (!item.isFormField()) {
                    name = new File(item.getName()).getName();
                    //                        item.write( new File(UPLOAD_DIRECTORY + File.separator + name));
                    item.write(new File(AbsolutePath + File.separator + name));
                }
            }

            //File uploaded successfully
            request.setAttribute("message", "File Uploaded Successfully");
        } catch (Exception ex) {
            request.setAttribute("message", "File Upload Failed due to " + ex);
        }

    } else {
        request.setAttribute("message", "Sorry this Servlet only handles file upload request");
    }

    //        request.getRequestDispatcher("/novoLocalPergunta3?id="+idLocal+"&fupload=1&nomeArquivo="+name).forward(request, response);
    //        String x = "/novoLocalPergunta3.jsp?id="+idLocal+"&nomeArquivo="+name;
    //        request.getRequestDispatcher(x).forward(request, response);

    RequestDispatcher view = getServletContext()
            .getRequestDispatcher("/novoLocalPergunta3?id=" + idLocal + "&nomeArquivo=" + name);
    view.forward(request, response);

}

From source file:gov.nih.nci.ncicb.cadsr.common.security.LogoutServlet.java

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

    //unlock all forms locked by this session
    HttpSession session = request.getSession();
    String logTjsp = getServletConfig().getInitParameter("LogthroughJSP");
    if (logTjsp != null && !logTjsp.equals(""))
        LOGTHROUGH_JSP = logTjsp;/* w  ww  . ja v  a 2 s.com*/

    String lojsp = getServletConfig().getInitParameter("LogoutJSP");
    if (lojsp != null && !lojsp.equals(""))
        LOGOUT_JSP = lojsp;
    String authjsp = getServletConfig().getInitParameter("ErrorJSP");
    if (authjsp != null && !authjsp.equals(""))
        AUTHORIZATION_ERROR_JSP = authjsp;

    if (!request.getContextPath().contains("CDEBrowser")) {
        getApplicationServiceLocator(session.getServletContext()).findLockingService()
                .unlockFormByUser(request.getRemoteUser());
    }
    synchronized (SessionUtils.sessionObjectCache) {
        log.error("LogoutServlet.doPost at start:" + TimeUtils.getEasternTime());
        String error = request.getParameter("authorizationError");
        String forwardUrl;
        //// GF29128 Begin. D.An, 20130729. 
        String un = (String) session.getAttribute("myUsername");
        ;
        ////   if (un == null)
        ////      un = "viewer";
        System.out.println("logoutServlet: " + session.getAttribute("myUsername"));
        if (error == null) {
            if (un.equals("viewer"))
                forwardUrl = LOGTHROUGH_JSP;
            //// GF29128  end.      
            else
                forwardUrl = LOGOUT_JSP;
        } else {
            forwardUrl = AUTHORIZATION_ERROR_JSP;
        }

        if ((session != null) && isLoggedIn(request)) {
            for (int i = 0; i < logoutKeys.length; i++) {
                session.removeAttribute(logoutKeys[i]);
            }

            //remove formbuilder specific objects
            //TODO has to be moved to an action
            Collection keys = (Collection) session.getAttribute(FormBuilderConstants.CLEAR_SESSION_KEYS);
            if (keys != null) {
                Iterator it = keys.iterator();
                while (it.hasNext()) {
                    session.removeAttribute((String) it.next());
                }
            }
            HashMap allMap = new HashMap();
            allMap.put(CaDSRConstants.GLOBAL_SESSION_KEYS, copyAllsessionKeys(session));
            allMap.put(CaDSRConstants.GLOBAL_SESSION_MAP, copyAllsessionObjects(session));
            SessionUtils.addToSessionCache(session.getId(), allMap);
            forwardUrl = forwardUrl + "?" + CaDSRConstants.PREVIOUS_SESSION_ID + "=" + session.getId();
            session.invalidate();
        }

        RequestDispatcher dispacher = request.getRequestDispatcher(forwardUrl);
        dispacher.forward(request, response);
        log.error("LogoutServlet.doPost at end:" + TimeUtils.getEasternTime());
    }
}

From source file:com.mkmeier.quickerbooks.LoadAccounts.java

/**
 * Redirect to the Load Accounts form./*w w  w  .  j  a  v  a 2  s  .co m*/
 *
 * @param request
 * @param response
 * @throws ServletException
 * @throws IOException
 */
private void redirect(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    RequestDispatcher rd = request.getRequestDispatcher("LoadAccounts.jsp");
    rd.forward(request, response);
}

From source file:com.squid.kraken.v4.auth.ChangePasswordServlet.java

/**
 * Perform the action via API calls./* ww  w  . jav a2 s. c  o  m*/
 *
 * @param request
 * @param response
 * @throws ServletException
 * @throws IOException
 */
private void proceed(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, URISyntaxException {
    try {
        User user = getUser(request);
        user.setPassword(request.getParameter("password"));

        // create a POST method to execute the change password request
        URIBuilder builder = new URIBuilder(privateServerURL + "/rs/users/");
        String token = request.getParameter("access_token");
        builder.addParameter("access_token", token);

        // execute the request
        HttpPost req = new HttpPost(builder.build());
        Gson gson = new Gson();
        String json = gson.toJson(user);
        StringEntity stringEntity = new StringEntity(json);
        stringEntity.setContentType("application/json");
        req.setEntity(stringEntity);
        user = RequestHelper.processRequest(User.class, request, req);
        request.setAttribute("message", "Password updated");
        request.setAttribute("user", user);
        RequestDispatcher rd = getServletContext().getRequestDispatcher("/password.jsp");
        rd.forward(request, response);
    } catch (ServerUnavailableException e1) {
        logger.error(e1.getLocalizedMessage());
        request.setAttribute(KRAKEN_UNAVAILABLE, Boolean.TRUE);
        show(request, response);
    } catch (ServiceException e1) {
        WebServicesException wsException = e1.getWsException();
        String error;
        if (wsException == null) {
            error = AN_ERROR_OCCURRED;
        } else {
            error = wsException.getError();
        }
        request.setAttribute(ERROR, error);
        show(request, response);
    } catch (SSORedirectException error) {
        response.sendRedirect(error.getRedirectURL());
    }
}

From source file:controller.ControlPembayaran.java

public void tampil(HttpServletRequest request, HttpServletResponse response, String information)
        throws ServletException, IOException {
    RequestDispatcher dispatcher;
    request.setAttribute("info", information);
    dispatcher = request.getRequestDispatcher("info.jsp");
    dispatcher.forward(request, response);
}