Example usage for javax.servlet RequestDispatcher forward

List of usage examples for javax.servlet RequestDispatcher forward

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.*
  5. RequestDispatcher
  6. 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:edu.cornell.mannlib.vitro.webapp.controller.edit.RefactorRetryController.java

public void doGet(HttpServletRequest request, HttpServletResponse response) {
    if (!isAuthorizedToDisplayPage(request, response, SimplePermission.EDIT_ONTOLOGY.ACTION)) {
        return;/*from  ww w .  jav a 2s .  com*/
    }

    //create an EditProcessObject for this and put it in the session
    EditProcessObject epo = super.createEpo(request);

    VitroRequest vreq = new VitroRequest(request);

    String modeStr = request.getParameter("mode");

    if (modeStr != null) {
        if (modeStr.equals("renameResource")) {
            doRenameResource(vreq, response, epo);
        } else if (modeStr.equals("movePropertyStatements")) {
            doMovePropertyStatements(vreq, response, epo);
        } else if (modeStr.equals("moveInstances")) {
            doMoveInstances(vreq, response, epo);
        }
    }

    RequestDispatcher rd = request.getRequestDispatcher(Controllers.BASIC_JSP);
    setRequestAttributes(request, epo);

    try {
        rd.forward(request, response);
    } catch (Exception e) {
        log.error(this.getClass().getName() + " could not forward to view.");
        log.error(e.getMessage());
        log.error(e.getStackTrace());
    }

}

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

/**
 * The doPost method of the servlet. <br>
 *
 * This method is called when a form has its tag value method equals to post.
 * /*from  w ww .  j  a va 2 s .  co m*/
 * @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 forward = "./metadataViewer.jsp";

    if (uid == null || uid.isEmpty())
        uid = "public";

    String html = null;

    boolean isMultipart = ServletFileUpload.isMultipartContent(request);

    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
        try {

            List /* FileItem */ items = upload.parseRequest(request);

            // Process the uploaded items
            Iterator iter = items.iterator();

            while (iter.hasNext()) {

                FileItem item = (FileItem) iter.next();

                if (!(item.isFormField())) {

                    String eml = processUploadedFile(item);

                    EmlUtility emlUtility = new EmlUtility(eml);
                    html = emlUtility.xmlToHtmlSaxon(cwd + xslpath, null);
                }

            }

        } catch (Exception e) {
            handleDataPortalError(logger, e);
        }
    }

    request.setAttribute("metadataHtml", html);
    RequestDispatcher requestDispatcher = request.getRequestDispatcher(forward);
    requestDispatcher.forward(request, response);
}

From source file:controller.controller.java

public void dispatcher(HttpServletRequest request, HttpServletResponse response, String page)
        throws ServletException, IOException {
    RequestDispatcher rd = request.getRequestDispatcher(page);
    rd.forward(request, response);

}

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

/**
 * The doPost method of the servlet. <br>
 * /*  w w  w.  j av  a 2 s. c om*/
 * 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 {
    try {
        HttpSession httpSession = request.getSession();
        String uid = (String) httpSession.getAttribute("uid");
        String warningMessage = null;

        if (uid == null) {
            warningMessage = "<p class=\"warning\">" + LOGIN_WARNING + "</p>";
            request.setAttribute("message", warningMessage);
        } else {
            String reportId = request.getParameter("reportId");
            if (reportId != null && reportId.length() > 0) {
                httpSession.setAttribute("harvestReportID", reportId);
            }
        }

        if (warningMessage == null || warningMessage.length() == 0) {
            response.sendRedirect("./harvestReport.jsp");
        } else {
            RequestDispatcher requestDispatcher = request.getRequestDispatcher("./harvestReport.jsp");
            requestDispatcher.forward(request, response);
        }
    } catch (Exception e) {
        handleDataPortalError(logger, e);
    }
}

From source file:org.apache.struts.chain.commands.servlet.PerformForward.java

private void handleAsForward(String uri, ServletContext servletContext, HttpServletRequest request,
        HttpServletResponse response) throws ServletException, IOException {
    RequestDispatcher rd = servletContext.getRequestDispatcher(uri);

    if (LOG.isDebugEnabled()) {
        LOG.debug("Forwarding to " + uri);
    }//from  w  w w .  jav a 2  s.  c  o  m

    rd.forward(request, response);
}

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

public String doLogin() {
    try {/*from   w  ww.  j  ava 2 s  .c  om*/
        /***** login iin spring security alternatif picketlink*/
        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();
    } catch (ServletException ex) {
        Logger.getLogger(LoginAction.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(LoginAction.class.getName()).log(Level.SEVERE, null, ex);
    }

    return null;
}

From source file:controller.ControlPembayaran.java

public void returnError(HttpServletRequest request, HttpServletResponse response, Exception e)
        throws ServletException, IOException {
    RequestDispatcher dispatcher;
    request.setAttribute("error", e.getMessage());
    dispatcher = request.getRequestDispatcher("error.jsp");
    dispatcher.forward(request, response);
}

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

/**
 * The doPost method of the servlet. <br>
 * /*from  ww w .j a  va  2  s. 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");
    if (uid == null || uid.isEmpty())
        uid = "public";
    String message = null;
    String messageType = "info";
    String createMessage = "";
    String packageId = request.getParameter("packageid");
    String articleDoi = request.getParameter("articledoi");
    String articleUrl = request.getParameter("articleurl");
    String articleTitle = request.getParameter("articletitle");
    String journalTitle = request.getParameter("journaltitle");

    /*
     * Check for valid input
     */
    String inputMessage = validateInput(packageId, articleDoi, articleUrl, articleTitle, journalTitle);

    JournalCitation journalCitation = new JournalCitation();
    journalCitation.setPackageId(packageId);
    journalCitation.setArticleDoi(articleDoi);
    journalCitation.setArticleUrl(articleUrl);
    journalCitation.setArticleTitle(articleTitle);
    journalCitation.setJournalTitle(journalTitle);

    boolean includeDeclaration = true;
    String journalCitationXML = journalCitation.toXML(includeDeclaration);

    if (uid.equals("public")) {
        message = LOGIN_WARNING;
        messageType = "warning";
        request.setAttribute("message", message);
    } else if (inputMessage != null && !inputMessage.isEmpty()) {
        createMessage = inputMessage;
        messageType = "input-error";
    } else {
        try {
            JournalCitationsClient journalCitationsClient = new JournalCitationsClient(uid);
            Integer journalCitationId = journalCitationsClient.create(journalCitationXML);
            String mapbrowseUrl = MapBrowseServlet.getRelativeURL(packageId);
            String mapbrowseHTML = String.format("<a class='searchsubcat' href='%s'>%s</a>", mapbrowseUrl,
                    packageId);
            createMessage = String.format(
                    "A journal citation entry with identifier '<strong>%d</strong>' was created for data package %s",
                    journalCitationId, mapbrowseHTML);
        } catch (Exception e) {
            handleDataPortalError(logger, e);
        }
    }

    request.setAttribute("createMessage", createMessage);
    request.setAttribute("messageType", messageType);
    RequestDispatcher requestDispatcher = request.getRequestDispatcher(forward);
    requestDispatcher.forward(request, response);
}

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

private void showForm(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    Map<String, List<QbAccount>> accountLists = getAccountLists();

    HttpSession session = request.getSession(true);
    session.setAttribute("lists", accountLists);

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

From source file:com.sun.socialsite.web.rest.servlets.ImageServlet.java

/**
 * Handles the HTTP <code>GET</code> method.
 * @param req servlet request// w  ww  .ja  v a 2 s.  c o  m
 * @param resp servlet response
 */
@Override
protected final void doGet(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, IOException {

    String itemName = ((req.getPathInfo() != null) ? req.getPathInfo().substring(1) : null);
    if (itemName != null)
        itemName = URLDecoder.decode(itemName, "UTF-8");

    Result result = getResult(itemName);

    if ((result == null) || (result.imageType == null) || (result.imageType.equals(""))) {
        RequestDispatcher rd = req.getRequestDispatcher(defaultImage);
        rd.forward(req, resp);
        return;
    }

    long ifModifiedTime = 0L;
    if (req.getHeader("If-Modified-Since") != null) {
        try {
            ifModifiedTime = getDateFormat().parse(req.getHeader("If-Modified-Since")).getTime();
        } catch (Throwable intentionallyIgnored) {
        }
    }

    // We've got an EHCache GenericResponseWrapper, it ignores date headers
    //resp.setDateHeader("Last-Modified", lastModifiedString);
    resp.setHeader("Last-Modified", getDateFormat().format(result.lastUpdate));
    resp.setHeader("ETag", result.eTag);

    // Force clients to revalidate each time
    // See RFC 2616 (HTTP 1.1 spec) secs 14.21, 13.2.1
    // We've got an EHCache GenericResponseWrapper, it ignores date headers
    //resp.setDateHeader("Expires", 0);
    resp.setHeader("Expires", epoch);

    // We may also want this (See 13.2.1 and 14.9.4)
    // response.setHeader("Cache-Control","must-revalidate");

    if (result.lastUpdate.getTime() > ifModifiedTime || !handleConditionalGets) {
        resp.setContentType(result.imageType);
        resp.setContentLength(result.imageBytes.length);
        OutputStream out = resp.getOutputStream();
        out.write(result.imageBytes, 0, result.imageBytes.length);
        out.close();
    } else {
        resp.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
    }

    return;
}