Example usage for javax.servlet.http HttpServletRequest getRequestDispatcher

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

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  4. javax.servlet.http.*
  5. HttpServletRequest
  6. getRequestDispatcher

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:cn.itcast.bbs.controller.BbsServlet.java

private void toeditTopicJsp(HttpServletRequest request, HttpServletResponse response) {
    try {//from  w ww .  j  a v  a 2 s . com
        int typeId = Integer.parseInt(request.getParameter("typeId"));
        int topicId = Integer.parseInt(request.getParameter("topicId"));
        Topic topic = service.findTopicById(topicId);
        request.setAttribute("typeId", typeId);
        request.setAttribute("topic", topic);
        request.getRequestDispatcher("/WEB-INF/bbs/editTopic.jsp").forward(request, response);
    } catch (Exception e) {
        e.printStackTrace();
    }

}

From source file:controller.ViewEC.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from  www  . j  a v a 2 s.  c om*/
 *
 * @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 {
    try {
        response.setContentType("text/html;charset=UTF-8");
        int ecId = Integer.parseInt(request.getParameter("id"));
        String action = request.getParameter("action");
        ExtenuatingCircumstance ec = new ExtenuatingCircumstanceDAO().retrieveECById(ecId);
        ArrayList<Evidence> evidences = new EvidenceDAO().retrieveEvidenceByEcId(ecId);

        request.setAttribute("ec", ec);
        request.setAttribute("evidences", evidences);
        request.setAttribute("role", request.getParameter("role"));

        if (StringUtils.equals(action, "edit")) {
            request.getRequestDispatcher("UpdateEC.jsp").forward(request, response);
        } else {
            request.getRequestDispatcher("ViewECDetail.jsp").forward(request, response);
        }
    } catch (SQLException ex) {
        Logger.getLogger(ViewEC.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    try (PrintWriter out = response.getWriter()) {
        assignmentFoldetService = new AssignmentFolderService();
        HttpSession session = request.getSession();
        username = (String) session.getAttribute("username");

        ArrayList<AssignmentNoticeBean> alstAssignmentNotice = assignmentFoldetService
                .fetchAssignmentNotice(username);
        request.setAttribute("alstAssignmentNotice", alstAssignmentNotice);

        RequestDispatcher dispatcher = request.getRequestDispatcher("dashboard/assignmentfolder.jsp");
        dispatcher.forward(request, response);
    }/*  w w w. j  a  v a 2  s .c  o m*/
}

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

/**
 * The doPost method of the servlet. <br>
 *
 * This method is called when a form has its tag value method equals to post.
 * //from   ww  w.  j  a va2 s .com
 * @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
 */
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    HttpSession httpSession = request.getSession();
    String uid = (String) httpSession.getAttribute("uid");

    if (uid == null) {
        logger.error("User identifier \"uid\" is null\n");
        httpSession.invalidate();
    } else {
        TokenManager tokenManager = new TokenManager();
        try {
            tokenManager.deleteToken(uid);
        } catch (Exception e) {
            handleDataPortalError(logger, e);
        } finally {
            httpSession.invalidate();
        }
    }

    RequestDispatcher requestDispatcher = request.getRequestDispatcher("./home.jsp");
    requestDispatcher.forward(request, response);

}

From source file:com.centurylink.mdw.hub.servlet.RestServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    CodeTimer timer = new CodeTimer("RestServlet.doGet()", true);

    if (request.getPathInfo() == null) {
        // redirect to html documentation
        response.sendRedirect(ApplicationContext.getMdwHubUrl() + "/doc/webServices.html");
        return;/*w  w  w . j a  v  a 2 s. co m*/
    } else if (request.getPathInfo().startsWith("/SOAP")) {
        // forward to SOAP servlet
        RequestDispatcher requestDispatcher = request.getRequestDispatcher(request.getPathInfo());
        requestDispatcher.forward(request, response);
        return;
    } else if (ApplicationContext.isDevelopment() && isFromLocalhost(request)) {
        // this is only allowed from localhost and in dev
        if ("/System/exit".equals(request.getPathInfo())) {
            response.setStatus(200);
            new Thread(new Runnable() {
                public void run() {
                    System.exit(0);
                }
            }).start();
            return;
        }
    }

    Map<String, String> metaInfo = buildMetaInfo(request);
    try {
        String responseString = handleRequest(request, response, metaInfo);

        String downloadFormat = metaInfo.get(Listener.METAINFO_DOWNLOAD_FORMAT);
        if (downloadFormat != null) {
            response.setContentType(Listener.CONTENT_TYPE_DOWNLOAD);
            String fileName = request.getPathInfo().substring(1).replace('/', '-') + "." + downloadFormat;
            response.setHeader("Content-Disposition", "attachment;filename=\"" + fileName + "\"");
            if (downloadFormat.equals(Listener.DOWNLOAD_FORMAT_JSON)
                    || downloadFormat.equals(Listener.DOWNLOAD_FORMAT_XML)
                    || downloadFormat.equals(Listener.DOWNLOAD_FORMAT_TEXT)) {
                response.getOutputStream().write(responseString.getBytes());
            } else if (downloadFormat.equals(Listener.DOWNLOAD_FORMAT_FILE)) {
                String f = metaInfo.get(Listener.METAINFO_DOWNLOAD_FILE);
                if (f == null)
                    throw new ServiceException(ServiceException.INTERNAL_ERROR, "Missing meta");
                File file = new File(f);
                if (!file.isFile())
                    throw new ServiceException(ServiceException.NOT_FOUND,
                            "File not found: " + file.getAbsolutePath());
                int max = PropertyManager.getIntegerProperty(PropertyNames.MAX_DOWNLOAD_BYTES, 104857600);
                if (file.length() > max)
                    throw new ServiceException(ServiceException.NOT_ALLOWED,
                            file.getAbsolutePath() + " exceeds max download size (" + max + "b )");
                response.setHeader("Content-Disposition", "attachment;filename=\"" + file.getName() + "\"");
                try (InputStream in = new FileInputStream(file)) {
                    int read = 0;
                    byte[] bytes = new byte[8192];
                    while ((read = in.read(bytes)) != -1)
                        response.getOutputStream().write(bytes, 0, read);
                }
            } else {
                // for binary content string response will have been Base64 encoded
                response.getOutputStream().write(Base64.decodeBase64(responseString.getBytes()));
            }
        } else {
            if ("/System/sysInfo".equals(request.getPathInfo())
                    && "application/json".equals(metaInfo.get(Listener.METAINFO_CONTENT_TYPE))) {
                responseString = WebAppContext.addContextInfo(responseString, request);
            }
            response.getOutputStream().write(responseString.getBytes());
        }
    } catch (ServiceException ex) {
        logger.severeException(ex.getMessage(), ex);
        response.setStatus(ex.getCode());
        response.getWriter().println(createErrorResponseMessage(request, metaInfo, ex));
    } finally {
        timer.stopAndLogTiming("");
    }
}

From source file:cn.vlabs.umt.ui.servlet.AuthorizationCodeServlet.java

private void dealClientRedirectError(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    request.getRequestDispatcher("/oauth/redirecturlerror.jsp").forward(request, response);
}

From source file:com.sbu.controller.Feed_Personal_Startup_View_Controller.java

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

    request.setCharacterEncoding("UTF-8");

    Startup User = new Startup();

    List<Member1> members = new ArrayList();
    int counter = 1;

    HttpSession session = request.getSession();

    User = (Startup) request.getSession().getAttribute("User");
    //members= (ArrayList<Member1>) request.getSession().getAttribute("members");
    members = memberService.getMemberByStartupId(User.getIdStartup());

    session.setAttribute("SearchQueries", User);
    session.setAttribute("members", members);
    session.setAttribute("counter", counter);

    //request.getRequestDispatcher("EmployeeTest.jsp").forward(request, response);
    request.getRequestDispatcher("/Personal_Startup.jsp").forward(request, response);

}

From source file:com.myhexin.filter.FileMultipartFilter.java

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

    MultipartResolver multipartResolver = lookupMultipartResolver(request);

    HttpServletRequest processedRequest = request;
    if (multipartResolver.isMultipart(processedRequest)) {
        if (logger.isDebugEnabled()) {
            logger.debug("Resolving multipart request [" + processedRequest.getRequestURI()
                    + "] with MultipartFilter");
        }
        processedRequest = multipartResolver.resolveMultipart(processedRequest);

        if (XSSSecurityConfig.IS_CHECK_HEADER || XSSSecurityConfig.IS_CHECK_PARAMETER) {
            if (isIlleageXssParam((MultipartHttpServletRequest) processedRequest)) {//??
                processedRequest.getRequestDispatcher(XSSSecurityConfig.XSS_ERROR_PAGE_PATH).forward(request,
                        response);
                return;
            }
        }

        if (FILE_FILTER_ISOPEN) {
            if (isIllegalFileSuffix((MultipartHttpServletRequest) processedRequest)) {//??
                processedRequest.getRequestDispatcher(XSSSecurityConfig.XSS_ERROR_PAGE_PATH).forward(request,
                        response);
                return;
            }
        }

    } else {
        if (logger.isDebugEnabled()) {
            logger.debug("Request [" + processedRequest.getRequestURI() + "] is not a multipart request");
        }
    }

    try {
        filterChain.doFilter(processedRequest, response);
    } finally {
        if (processedRequest instanceof MultipartHttpServletRequest) {
            multipartResolver.cleanupMultipart((MultipartHttpServletRequest) processedRequest);
        }
    }
}

From source file:com.krawler.esp.servlets.ProfileImageServlet.java

public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    // Get the absolute path of the image
    ServletContext sc = getServletContext();
    String uri = req.getRequestURI();
    String servletBase = req.getServletPath();
    if (!StringUtil.isNullOrEmpty(req.getParameter("flag"))) {
        try {//from w ww .  j  av  a 2 s .  c om
            // TODO: Fix hardcoded url
            if (!StringUtil.isNullOrEmpty(req.getParameter("trackid"))) {
                String url = "/remoteapi.jsp?action=100&data={\"iscommit\":true}&trackid="
                        + req.getParameter("trackid");
                RequestDispatcher rd = req.getRequestDispatcher(url);
                rd.include(req, resp);
            }
            String fileName = StorageHandler.GetProfileImgStorePath() + "blankImage.png";
            File file = new File(fileName);
            if (file.exists()) {
                FileInputStream in = new FileInputStream(file);
                OutputStream out = resp.getOutputStream();

                // Copy the contents of the file to the output stream
                byte[] buf = new byte[4096];
                int count = 0;
                while ((count = in.read(buf)) >= 0) {
                    out.write(buf, 0, count);
                }
                in.close();
                out.close();
            }
        } catch (Exception e) {
            logger.warn(e.getMessage(), e);
        }
    } else {
        boolean Companyflag = (req.getParameter("company") != null) ? true : false;
        String imagePath = defaultImgPath;
        String requestedFileName = "";
        if (Companyflag) {
            imagePath = defaultCompanyImgPath;
            String companyId = null;
            try {
                companyId = sessionHandlerImpl.getCompanyid(req);
            } catch (Exception ee) {
                logger.warn(ee.getMessage(), ee);
            }
            if (StringUtil.isNullOrEmpty(companyId)) {
                String domain = URLUtil.getDomainName(req);
                if (!StringUtil.isNullOrEmpty(domain)) {
                    //@@@
                    //                        companyId = sessionHandlerImpl.getCompanyid(domain);
                    requestedFileName = "/original_" + companyId + ".png";
                } else {
                    requestedFileName = "logo.gif";
                }
            } else {
                requestedFileName = "/" + companyId + ".png";
            }
        } else {
            requestedFileName = uri.substring(uri.lastIndexOf(servletBase) + servletBase.length());
        }
        String fileName = null;

        fileName = StorageHandler.GetProfileImgStorePath() + requestedFileName;
        // Get the MIME type of the image
        String mimeType = sc.getMimeType(fileName);
        if (mimeType == null) {
            sc.log("Could not get MIME type of " + fileName);
            resp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            return;
        }

        // Set content type
        resp.setContentType(mimeType);

        // Set content size
        File file = new File(fileName);
        if (!file.exists()) {
            if (fileName.contains("_100.")) {
                file = new File(fileName.replaceAll("_100.", "."));
            }
            if (!file.exists()) {
                file = new File(sc.getRealPath(imagePath));
            }
        }

        resp.setContentLength((int) file.length());

        // Open the file and output streams
        FileInputStream in = new FileInputStream(file);
        OutputStream out = resp.getOutputStream();

        // Copy the contents of the file to the output stream
        byte[] buf = new byte[4096];
        int count = 0;
        while ((count = in.read(buf)) >= 0) {
            out.write(buf, 0, count);
        }
        in.close();
        out.close();
    }
}

From source file:cn.itcast.bbs.controller.BbsServlet.java

private void deleteType(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    int typeId = Integer.parseInt(request.getParameter("typeId"));
    try {/*from  w  ww.  j  a v a2  s.c om*/
        service.deleteType(typeId);
        response.sendRedirect(request.getContextPath());
    } catch (Exception e) {
        e.printStackTrace();
        request.setAttribute("message", "?");
        request.getRequestDispatcher("/WEB-INF/bbs/message.jsp").forward(request, response);
    }
}