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:de.highbyte_le.weberknecht.request.view.WebActionProcessor.java

protected void processJsp(HttpServletRequest request, HttpServletResponse response, View view,
        Map<String, Object> modelMap, Object action) throws ServletException, IOException {
    if (log.isDebugEnabled())
        log.debug("processJsp() - forward the request to the given view: " + view.getJspFileName());

    //add models to request
    if (modelMap != null) {
        ModelHelper modelHelper = new ModelHelper(request, servletContext);
        for (Entry<String, Object> e : modelMap.entrySet()) {
            modelHelper.set(e.getKey(), e.getValue());
        }//from w  ww  .  ja v  a 2  s .c  o m
    }

    //forward the request to the given view
    RequestDispatcher dispatcher = request.getRequestDispatcher("/WEB-INF/jsp/" + view.getJspFileName());
    dispatcher.forward(request, response);
}

From source file:ForwardException.java

/** Called in response to a GET request (data encoded in the URL) */
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    ServletContext application = getServletContext();

    // BOILERPLATE beginning 
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();

    try {//from   w  w w  .  j a va  2  s .c om
        // to do: logic code and main HTML goes here.

        // simulate an error condition happening at run time.
        if (this instanceof Servlet)
            throw new RuntimeException("Test exception");

        out.println("<!DOCTYPE html PUBLIC " + "\"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
                + "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\"\n" + ">");
        out.println("<html>");
        out.println("<head><title>Servlet Output</title></head>");
        out.println("<body>");

        // BOILERPLATE ending
        out.println("</body>");
        out.println("</html>");
        out.close();

    } catch (Exception exc) {

        // dispatch to JSP to display the error.
        RequestDispatcher rd = application.getRequestDispatcher("/oops.jsp");
        request.setAttribute("javax.servlet.jsp.jspException", exc);
        rd.forward(request, response);
    }
}

From source file:Functions.UploadFileServlet.java

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

    String houseId = "";
    String owner = (String) request.getSession().getAttribute("username");
    String url = "/errorPage.jsp";
    String message = "fgd";
    //System.out.println("houseId= "+houseId);
    //System.out.println("owner= "+owner);
    response.setContentType("text/html");
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);
    if (isMultipart) {
        ServletFileUpload upload = new ServletFileUpload();
        try {//from  ww  w  .j  a va2s  .c  o  m
            FileItemIterator itr = upload.getItemIterator(request);
            while (itr.hasNext()) {
                FileItemStream item = itr.next();
                if (item.isFormField()) {
                    //do something
                    String fieldName = item.getFieldName();
                    InputStream is = item.openStream();
                    byte b[] = new byte[is.available()];
                    is.read(b);
                    String value = new String(b);
                    if ("houseIddd".equals(fieldName)) {
                        houseId = value;
                    }
                    response.getWriter().println(fieldName + ":" + value + "<br/>");
                } else {
                    System.out.println("MPHKE STO ELSE GIA NA BALEI SPITIA");
                    //upload file
                    String path = getServletContext().getRealPath("/");
                    //String path = getServletContext().getContextPath()+"/";

                    if (FileUpload.processFile(path, item, houseId, owner)) {
                        System.out.println("MPHKE STO processfile!");
                        //response.getWriter().println("file uploaded successfully");
                        message = "file uploaded successfully";

                        url = "/Estateprofile.jsp?houseId=" + houseId + "&houseOwner=" + owner + "&message="
                                + message;

                    } else {
                        message = "file uploading failed";
                        url = "/Estateprofile.jsp?houseId=" + houseId + "&houseOwner=" + owner + "&message="
                                + message;

                        //response.getWriter().println("file uploading failed");
                    }
                }
            }
        } catch (FileUploadException ex) {
            ex.printStackTrace();
            //Logger.getLogger(UploadFileServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
        RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
        dispatcher.forward(request, response);
    }
}

From source file:com.gigglinggnus.controllers.CheckinController.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    EntityManager em = (EntityManager) request.getSession().getAttribute("em");

    RequestDispatcher rd = request.getRequestDispatcher("/admin/check-in-student.jsp");
    rd.forward(request, response);
}

From source file:algorithm.laddress.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*w  w  w . j a  va  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 doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");

    // Create path components to save the file
    final String path = "C:\\Users\\Rads\\Documents\\NetBeansProjects\\capstone\\src\\java\\algorithm\\";
    final Part filePart = request.getPart("file");
    final String fileName = getFileName(filePart);

    OutputStream out = null;
    InputStream filecontent = null;
    final PrintWriter writer = response.getWriter();

    try {
        out = new FileOutputStream(new File(path + File.separator + fileName));
        filecontent = filePart.getInputStream();

        int read = 0;
        final byte[] bytes = new byte[1024];

        while ((read = filecontent.read(bytes)) != -1) {
            out.write(bytes, 0, read);
        }
        // writer.println("New file " + fileName + " created at " + path);
        LOGGER.log(Level.INFO, "File{0}being uploaded to {1}", new Object[] { fileName, path });
    } catch (FileNotFoundException fne) {
        writer.println("You either did not specify a file to upload or are "
                + "trying to upload a file to a protected or nonexistent " + "location.");
        writer.println("<br/> ERROR: " + fne.getMessage());

        LOGGER.log(Level.SEVERE, "Problems during file upload. Error: {0}", new Object[] { fne.getMessage() });
    }

    Scanner s = null;
    String listOfAddresses = "";
    try {
        String address = fileName;
        String dname = "C:\\Users\\Rads\\Documents\\NetBeansProjects\\capstone\\src\\java\\algorithm\\"
                + address;
        File f = new File(dname);
        s = new Scanner(f);
        //s.useDelimiter(",");   //Use the normal expression and exclude data we imagine they are not "WORDS"
    } catch (FileNotFoundException e) {

    }
    while (s.hasNextLine()) {
        String[] curr = s.nextLine().split(",");
        listOfAddresses = listOfAddresses + "<br/>" + curr[1];
    }
    String nextView = "user.jsp";
    request.setAttribute("Address", listOfAddresses);
    RequestDispatcher view = request.getRequestDispatcher(nextView);
    view.forward(request, response);
}

From source file:eu.impact_project.iif.t2.client.InfoGenerator.java

/**
 * Gets information about a workflow./*from  w w w .j  a  v  a 2s .  c  om*/
 */
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    HttpSession session = request.getSession(true);
    String wfId = request.getParameter("id");
    String urlString = "http://www.myexperiment.org/workflow.xml?id=" + wfId;

    String user = (String) session.getAttribute("user");
    String password = (String) session.getAttribute("password");

    // prepare httpclient for basic authentication
    HttpClient client = new HttpClient();
    client.getParams().setAuthenticationPreemptive(true);
    client.getState().setCredentials(new AuthScope("www.myexperiment.org", 80),
            new UsernamePasswordCredentials(user, password));

    GetMethod get = new GetMethod(urlString);
    get.setDoAuthentication(true);

    client.executeMethod(get);
    InputStream responseBody = get.getResponseBodyAsStream();

    try {

        SAXBuilder builder = new SAXBuilder();

        Document doc = builder.build(responseBody);

        WorkflowDetails details = new WorkflowDetails();

        Element root = doc.getRootElement();
        details.setTitle(root.getChild("title").getTextTrim());
        details.setDescription(root.getChild("description").getTextTrim());
        details.setImageUrl(root.getChild("preview").getTextTrim());

        session.setAttribute("wfDetails", details);

    } catch (JDOMException e) {
        e.printStackTrace();
    }

    RequestDispatcher rd = getServletContext().getRequestDispatcher("/info.jsp");
    rd.forward(request, response);
}

From source file:org.beangle.security.web.auth.LoginUrlEntryPoint.java

/**
 * Performs the redirect (or forward) to the login form URL.
 *///from   w  ww.j a  v  a 2s  . c  o  m
public void commence(ServletRequest request, ServletResponse response, AuthenticationException authException)
        throws IOException, ServletException {
    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpServletResponse httpResponse = (HttpServletResponse) response;

    String redirectUrl = null;
    if (serverSideRedirect) {
        String loginForm = determineUrlToUseForThisRequest(httpRequest, httpResponse, authException);
        logger.debug("Server side forward to: {}", loginForm);
        RequestDispatcher dispatcher = httpRequest.getRequestDispatcher(loginForm);
        dispatcher.forward(request, response);
        return;
    } else {
        // redirect to login page. Use https if forceHttps true
        redirectUrl = determineUrlToUseForThisRequest(httpRequest, httpResponse, authException);
    }
    if (!("XMLHttpRequest".equals(httpRequest.getHeader("x-requested-with"))
            || StringUtils.isNotEmpty(httpRequest.getParameter("x-requested-with")))) {
        String backurl = new UrlBuilder(httpRequest.getContextPath()).scheme(request.getScheme())
                .serverName(request.getServerName()).port(request.getServerPort())
                .servletPath(httpRequest.getServletPath()).queryString(httpRequest.getQueryString()).buildUrl();
        redirectUrl += "?backurl=" + URLEncoder.encode(backurl);
    }
    //      httpRequest.getSession().setAttribute("backurl", backurl);
    //      httpRequest.getSession().setAttribute("backurltime", System.currentTimeMillis());
    RedirectUtils.sendRedirect(httpRequest, httpResponse, redirectUrl);
}

From source file:com.adobe.acs.commons.wcm.vanity.impl.VanityURLServiceImpl.java

public boolean dispatch(SlingHttpServletRequest request, SlingHttpServletResponse response)
        throws ServletException, IOException, RepositoryException {
    if (request.getAttribute(VANITY_DISPATCH_CHECK_ATTR) != null) {
        log.trace("Processing a previously vanity dispatched request. Skipping...");
        return false;
    }/*from w ww.ja v  a 2  s  .  c o  m*/

    request.setAttribute(VANITY_DISPATCH_CHECK_ATTR, true);

    final String requestURI = request.getRequestURI();
    final RequestPathInfo mappedPathInfo = new PathInfo(request.getResourceResolver(), requestURI);
    final String candidateVanity = mappedPathInfo.getResourcePath();
    final String pathScope = StringUtils.removeEnd(requestURI, candidateVanity);

    log.debug("Candidate vanity URL to check and dispatch: [ {} ]", candidateVanity);

    // Check if...
    // 1) the candidateVanity and the requestURI are the same; If they are it means the request has already
    // gone through resource resolution and failed so there is no sense in sending it through again.
    // 2) the candidate is in at least 1 sling:vanityPath under /content
    if (!StringUtils.equals(candidateVanity, requestURI) && isVanityPath(pathScope, candidateVanity, request)) {
        log.debug("Forwarding request to vanity resource [ {} ]", candidateVanity);

        final RequestDispatcher requestDispatcher = request.getRequestDispatcher(candidateVanity);
        requestDispatcher.forward(new ExtensionlessRequestWrapper(request), response);
        return true;
    }

    return false;
}

From source file:com.arcadian.loginservlet.ViewAssignmentServlet.java

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    try (PrintWriter out = response.getWriter()) {
        assignmentService = new ViewAssignmentService();
        HttpSession session = request.getSession();
        username = (String) session.getAttribute("username");
        System.out.println("hello");
        ArrayList alstAssignments = assignmentService.getAssignments(username);
        request.setAttribute("alstAssignmentNotice", alstAssignments);

        RequestDispatcher dispatcher = request.getRequestDispatcher("dashboard/viewassignment.jsp");
        dispatcher.forward(request, response);
    }/*from   w ww .  ja  va  2 s . co m*/
}

From source file:forumbox.PostingnewpostServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    DateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmssms");
    Date date = new Date();
    String id = dateFormat.format(date);
    //response.addHeader("Access-Control-Allow-Origin", "*");
    PrintWriter out = response.getWriter();

    String typed = request.getParameter("userInput"); //getting the parameter which was sent by the client

    String[] data = new String[3];
    data = typed.split("/");
    // out.print(data[0]);

    String username = data[0];/*from   ww  w . j  a  v a 2 s . c o m*/
    String title = data[1];
    String description = data[2];
    filewrite("/home/dinalidabarera/NetBeansProjects/NewFolder/forum4/admin01/post/", username, title,
            description, response, id);

    //ompare each name in the names array with the user input pattern and when a matching name is found send that in the response
    ServletContext sc = getServletContext();
    RequestDispatcher view = sc.getRequestDispatcher("/addPost.jsp");
    view.forward(request, response);

}