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.syrup.ui.UploadConfigurationServlet.java

/**
 * /*  ww  w  . j  a  v  a  2 s  . c  o  m*/
 * 
 * @param req
 *            basic request
 * @param resp
 *            basic resp
 * @throws ServletException
 *             basic
 * @throws IOException
 *             basic
 */
@SuppressWarnings("unchecked")
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    try {
        // Create a new file upload handler
        DiskFileUpload upload = new DiskFileUpload();

        // Parse the request
        List<FileItem> items = upload.parseRequest(req);
        Iterator<FileItem> iter = items.iterator();
        while (iter.hasNext()) {
            FileItem item = (FileItem) iter.next();

            if (!item.isFormField()) {

                byte[] data = item.get();

                // Hmm...parse images?
                Util.saveSuccessMessage("Service definitions uploaded.", req);

            }
        }
    } catch (Exception e) {
        Util.saveErrorMessage("Unable to upload or parse file.", req);
    }

    RequestDispatcher dispatch = req.getRequestDispatcher("/upload.jsp");
    dispatch.forward(req, resp);
}

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From source file:org.yestech.lib.web.HtmlWriter.java

@Override
public void writeTo(Object obj, Class type, Type genericType, Annotation[] annotations, MediaType mediaType,
        MultivaluedMap httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException {
    HttpServletRequest request = ResteasyProviderFactory.getContextData(HttpServletRequest.class);
    HttpServletResponse response = ResteasyProviderFactory.getContextData(HttpServletResponse.class);
    try {//from   ww w.  j  a v  a 2s . c  o  m
        Location location = AnnotationUtil.getAnnotation(Location.class, annotations);
        if (location == null || StringUtils.isBlank(location.value())) {
            throw new RuntimeException("A Location annotation must be supplied and value must be supplied...");
        }
        if (obj != null) {
            request.setAttribute(location.modelKey(), obj);
        }
        RequestDispatcher requestDispatcher = request.getRequestDispatcher(location.value());

        requestDispatcher.forward(request, response);
    } catch (ServletException ex) {
        throw new WebApplicationException(ex);
    }
}

---

From source file:com.mustafaderyol.inventory.beans.LoginControlClass.java

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

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

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

    FacesContext.getCurrentInstance().responseComplete();

    return null;//from   w  w w  .  ja  v a 2 s . c om
}

---

From source file:com.taobao.diamond.server.controller.CheckServlet.java

public void forward(HttpServletRequest request, HttpServletResponse response, String page, String basePath,
        String postfix) throws IOException, ServletException {
    RequestDispatcher requestDispatcher = request.getRequestDispatcher(basePath + page + postfix);
    requestDispatcher.forward(request, response);
}

---

From source file:com.github.mike10004.stormpathacctmgr.NewPasswordFormServlet.java

/**
 * Handles the HTTP {@code GET} method. Gets the password reset token 
 * parameter value from the request query string and forwards to 
 * a JSP page for rendering.//from   w w w .j a  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
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, ResourceException {
    boolean tokenVerified = false;
    String token = request.getParameter(PasswordReset.PARAM_RESET_TOKEN);
    if (token != null && !token.isEmpty()) {
        checkNotNullAndNotEmpty(token, "token");
        Stormpaths stormpaths = createStormpaths();
        Application application = stormpaths.buildApplication();
        Account account;
        try {
            account = application.verifyPasswordResetToken(token);
            tokenVerified = true;
            log.log(Level.INFO, "verified token {0} and got account {1}",
                    new Object[] { StringUtils.abbreviate(token, 32), account.getEmail() });
            request.setAttribute(ATTR_TARGET_EMAIL, account.getEmail());
        } catch (ResourceException e) {
            log.log(Level.INFO, "verifyPasswordResetToken failed: {0}", (Object) e);
        }
    } else {
        log.info("'sptoken' query parameter is empty or not present");
    }
    request.setAttribute(ATTR_TOKEN_VERIFIED, tokenVerified);
    RequestDispatcher dispatcher = request.getRequestDispatcher(RESET_ENTER_NEW_PASSWORD_JSP_PATH);
    dispatcher.forward(request, response);
}

---

From source file:FYPManagementSystem.FileUploadHandler.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String address = "";

    String option = request.getParameter("Option");
    String addTitle = "";
    String addContent = "";

    String query = "";
    String queryLastID = "";
    DB objDB = new DB();
    //process only if its multipart content
    if (option.equals("Add")) {

        if (ServletFileUpload.isMultipartContent(request)) {
            try {

                List<FileItem> multiparts = new ServletFileUpload(new DiskFileItemFactory())
                        .parseRequest(request);

                for (FileItem item : multiparts) {
                    if (!item.isFormField()) {
                        String name = new File(item.getName()).getName();
                        item.write(new File(UPLOAD_DIRECTORY + File.separator + addTitle + ".jpg"));
                    } else if (item.isFormField()) {
                        if (item.getFieldName().contentEquals("addTitle")) { //Check if the item in the loop is the user_id
                            addTitle = item.getString(); //If yes store the value
                        }//ww  w .  jav  a 2  s  .c o  m
                        if (item.getFieldName().contentEquals("addContent")) { //Check if the item in the loop is the user_id
                            addContent = item.getString(); //If yes store the value
                        }
                    }
                }
                query = "insert into news (newsTitle,newsContent) values('"
                        + Common.replaceSingleQuote(addTitle) + "','" + Common.replaceSingleQuote(addContent)
                        + "')";

                //File uploaded successfully
                request.setAttribute("message", "File Uploaded Successfully");
            } catch (Exception ex) {
                request.setAttribute("message", "File Upload Failed due to " + ex);
            }
            address = "WEB-INF/AdNews.jsp";
        } else {
            request.setAttribute("message", "Sorry this Servlet only handles file upload request");
        }
    }
    objDB.connect();
    objDB.query(query);
    objDB.close();

    RequestDispatcher dispatcher = request.getRequestDispatcher(address);
    dispatcher.forward(request, response);

}

---

From source file:jeeves.config.springutil.JeevesAccessDeniedHandler.java

@Override
public void handle(HttpServletRequest request, HttpServletResponse response,
        AccessDeniedException accessDeniedException) throws IOException, ServletException {
    if (!response.isCommitted()) {
        if (matcher != null && matcher.matches(request)) {
            response.sendError(HttpServletResponse.SC_FORBIDDEN, accessDeniedException.getMessage());
        }/*from w w  w. ja va2 s .  c o m*/
        if (_errorPage != null) {
            request.setAttribute(WebAttributes.ACCESS_DENIED_403, accessDeniedException);
            response.setStatus(HttpServletResponse.SC_FORBIDDEN);
            final String referer = _escaper.escape(request.getRequestURI());
            RequestDispatcher dispatcher = request.getRequestDispatcher(_errorPage + "?referer=" + referer);
            dispatcher.forward(request, response);
        } else {
            response.sendError(HttpServletResponse.SC_FORBIDDEN, accessDeniedException.getMessage());
        }
    }
}

---

From source file:Controller.UpLoadFile.java

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, Exception {
    response.setContentType("text/html;charset=UTF-8");
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);

    // process only if its multipart content
    if (isMultipart) {
        // Create a factory for disk-based file items
        FileItemFactory factory = new DiskFileItemFactory();

        // Create a new file upload handler
        ServletFileUpload upload = new ServletFileUpload(factory);

        // Parse the request
        List<FileItem> multiparts = upload.parseRequest(request);

        for (FileItem item : multiparts) {
            if (!item.isFormField()) {
                String name = new File(item.getName()).getName();
                item.write(new File(UPLOAD_DIRECTORY + File.separator + name));
            }/*from   w ww  .  ja  v a2 s.c o m*/
        }
    }
    RequestDispatcher rd = request.getRequestDispatcher("loadimage.jsp");
    rd.forward(request, response);
}

---

From source file:org.apache.sling.dynamicinclude.SyntheticResourceFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    final SlingHttpServletRequest slingRequest = (SlingHttpServletRequest) request;
    final String resourceType = getResourceTypeFromSuffix(slingRequest);
    final Configuration config = configurationWhiteboard.getConfiguration(slingRequest, resourceType);

    if (config == null || !config.hasIncludeSelector(slingRequest)
            || !ResourceUtil.isSyntheticResource(slingRequest.getResource())) {
        chain.doFilter(request, response);
        return;//from   w  w  w .j a va2  s  .  co  m
    }

    final RequestDispatcherOptions options = new RequestDispatcherOptions();
    options.setForceResourceType(resourceType);
    final RequestDispatcher dispatcher = slingRequest.getRequestDispatcher(slingRequest.getResource(), options);
    dispatcher.forward(request, response);
}

---

From source file:com.gunjan.businessLayer.dictServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from  w  w  w .  ja v  a2  s .  com*/
 *
 * @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 queryWord = request.getParameter("word").trim();
    //        System.out.println("queryword----------------" + queryWord);
    //        DBConnection conn = DBConnection.getConnection();
    //        System.out.println("conn  ------------------------" + conn);
    //        ArrayList<Definition> wordDefinitions = conn.getDefinition(queryWord);
    //        if (wordDefinitions != null) {
    //            String definitions = wordDefinitions.stream().map(d -> "<br>" + d).collect(Collectors.joining());
    //            request.setAttribute("definitions", definitions);
    //        }
    String JSONObject = getJSONObjectForWord(queryWord);
    request.getSession().setAttribute("JSONObject", JSONObject);

    RequestDispatcher dispatch = request.getRequestDispatcher("getJSON.jsp");
    dispatch.forward(request, response);

}

---

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