Example usage for javax.servlet.http HttpServletResponse sendError

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse sendError.

Prototype

public void sendError(int sc, String msg) throws IOException;

Source Link

Document

Sends an error response to the client using the specified status and clears the buffer.

Usage

From source file:com.ss.Controller.T4uApproveRefundServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//from www.  ja  v a2  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 {
    HttpSession session = request.getSession(true);
    T4uUser user = (T4uUser) session.getAttribute(T4uConstants.T4uUser);
    if (!user.getUserGroup().equals("officer")) // Not authorised, only user himself can cancel order
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Not authorised");
    else
        try {
            long orderId = Long.parseLong(request.getParameter("orderId"));
            T4uOrder order = T4uOrderDAO.getOrderById(orderId);
            if (order.getOrderStatus() == 2) { // Current status is Pending
                T4uOrderDAO.changeOrderStatus(orderId, 3, user);
                T4uOrder t4uOrder = new T4uOrder();
                t4uOrder.setOrderId(orderId);
                String json = new Gson().toJson(t4uOrder);
                response.setContentType("application/json");
                // Get the printwriter object from response to write the required json object to the output stream      
                PrintWriter out = response.getWriter();
                // Assuming your json object is **jsonObject**, perform the following, it will return your json object  
                out.print(json);
                out.flush();
            } else // Not pending status
                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Bad order status");
        } catch (NumberFormatException ex) {
            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "NumberFormatException");
        }
}

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From source file:org.dspace.app.webui.cris.controller.OUDetailsController.java

@Override
public ModelAndView handleDetails(HttpServletRequest request, HttpServletResponse response) throws Exception {
    Map<String, Object> model = new HashMap<String, Object>();

    OrganizationUnit ou = extractOrganizationUnit(request);

    if (ou == null) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND, "OU page not found");
        return null;
    }//from  w  ww  .  j av a 2 s.c o  m

    Context context = UIUtil.obtainContext(request);
    EPerson currentUser = context.getCurrentUser();
    if ((ou.getStatus() == null || ou.getStatus().booleanValue() == false)
            && !AuthorizeManager.isAdmin(context)) {

        if (currentUser != null || Authenticate.startAuthentication(context, request, response)) {
            // Log the error
            log.info(LogManager.getHeader(context, "authorize_error",
                    "Only system administrator can access to disabled researcher page"));

            JSPManager.showAuthorizeError(request, response,
                    new AuthorizeException("Only system administrator can access to disabled researcher page"));
        }
        return null;
    }

    if (AuthorizeManager.isAdmin(context)) {
        model.put("ou_page_menu", new Boolean(true));
    }

    ModelAndView mvc = null;

    try {
        mvc = super.handleDetails(request, response);
    } catch (RuntimeException e) {
        return null;
    }

    if (subscribeService != null) {
        boolean subscribed = subscribeService.isSubscribed(currentUser, ou);
        model.put("subscribed", subscribed);
    }

    request.setAttribute("sectionid", StatsConfig.DETAILS_SECTION);
    new DSpace().getEventService().fireEvent(new UsageEvent(UsageEvent.Action.VIEW, request, context, ou));

    mvc.getModel().putAll(model);
    mvc.getModel().put("ou", ou);
    return mvc;
}

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From source file:org.opens.urlmanager.rest.controller.GenericRestControllerTest.java

/**
 * Test of handleRestException method, of class GenericRestController.
 *//*from www .  java2s .  c o  m*/
public void testHandleRestException() throws Exception {
    System.out.println("handleRestException");
    /* parameters */
    int errorCode = 404;
    String errorMessage = "resource not found";
    /* creating mock */
    GenericRestException exception = createMock(GenericRestException.class);
    HttpServletRequest request = createMock(HttpServletRequest.class);
    HttpServletResponse response = createMock(HttpServletResponse.class);
    /* set up mock */
    expect(exception.getCode()).andReturn(errorCode);
    expect(exception.getMessage()).andReturn(errorMessage);
    response.sendError(errorCode, errorMessage);
    /* create instance */
    GenericRestController instance = new GenericRestController();
    /* playing mock */
    replay(exception);
    replay(request);
    replay(response);

    /* running test */
    instance.handleRestException(exception, request, response);
    /* verifying mock */
    verify(exception);
    verify(request);
    verify(response);
}

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From source file:org.magnum.dataup.VideoSvcCtrl.java

/**
 * POST /video/{id}/data//from ww  w.  j a  va 2s . c  om
 * Upload a video... after the user has created it
 * 
 * The binary mpeg data for the video should be provided in a multipart
 * request as a part with the key "data". The id in the path should be
 * replaced with the unique identifier generated by the server for the
 * Video
 * @param videoData
 * @return
 * @throws IOException 
 */
@RequestMapping(value = VIDEO_DATA_PATH, method = RequestMethod.POST)
public @ResponseBody VideoStatus addVideoData(@PathVariable(ID_PARAMETER) long id,
        final @RequestParam(DATA_PARAMETER) MultipartFile videoData, HttpServletResponse response)
        throws IOException {

    Video video;
    try {
        video = videos.get(id);
        saveSomeData(video, videoData);
    } catch (Throwable e) {
        response.sendError(404, ERROR_MSG);
    } finally {
        return new VideoStatus(VideoState.READY);
    }

}

---

From source file:com.sesnu.orion.web.controller.PaymentController.java

@RequestMapping(value = "/api/user/pay/{id}", method = RequestMethod.DELETE)

public @ResponseBody List<PayView> deleteItem(@PathVariable("id") long id, HttpServletResponse response)
        throws Exception {
    Payment pay = payDao.get(id);/*from ww  w .  j a v a 2s.  c om*/
    long orderRef = pay.getOrderRef();

    if (pay.getStatus() != null && pay.getStatus().equals("Approved")) {
        response.sendError(400, Util.parseError("Payment is approved, it can not be deleted"));
        return null;
    }

    if (pay != null) {
        payDao.delete(pay);
        List<PayView> pays = payDao.listAll();
        if (pays.size() > 0) {
            return pays;
        }
    }
    response.sendError(400);
    return null;
}

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From source file:com.sesnu.orion.web.controller.BudgetController.java

@RequestMapping(value = "/api/user/budget/{year}/{month}", method = RequestMethod.GET)
public @ResponseBody List<Budget> items(@PathVariable("year") int year, @PathVariable("month") String month,
        HttpServletResponse response) throws IOException {
    List<SalesView> salesViews = null;
    if (year == 0 || month.equals("latest")) {
        salesViews = getLatestSalesPlan();
    } else {//from w w w .  j ava2  s.  co m
        salesViews = salesPlanDao.list(year, month.trim());
    }

    if (salesViews.size() < 0) {
        response.sendError(404, Util.parseError("Sales Plan not found"));
        return null;
    }

    List<Budget> budgets = new ArrayList<Budget>();
    for (SalesView sp : salesViews) {
        budgets.add(generateBudget(sp));
    }

    return budgets;
}

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From source file:com.headstartech.iam.web.controllers.ExceptionMapper.java

/**
 * Handle constraint violation exceptions.
 *
 * @param response The HTTP response/*w w  w. j a va2  s  . c o m*/
 * @param cve      The exception to handle
 * @throws IOException on error in sending error
 */
@ExceptionHandler(ConstraintViolationException.class)
public void handleConstraintViolation(final HttpServletResponse response,
        final ConstraintViolationException cve) throws IOException {
    final StringBuilder builder = new StringBuilder();
    for (final ConstraintViolation<?> cv : cve.getConstraintViolations()) {
        if (builder.length() != 0) {
            builder.append(NEW_LINE);
        }
        builder.append(cv.getMessage());
    }
    response.sendError(HttpStatus.PRECONDITION_FAILED.value(), builder.toString());
}

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From source file:org.magnum.dataup.VideoServiceController.java

@RequestMapping(value = DATA_PATH, method = RequestMethod.POST)
public @ResponseBody VideoStatus setVideoData(@PathVariable("id") long id,
        @RequestParam("data") MultipartFile videoData, HttpServletResponse response) throws IOException {

    VideoStatus result = null;/*from   w  ww. j a v  a2s. c  o  m*/

    if (videos.containsKey(id)) {
        if (videoData != null) {
            manager.saveVideoData(videos.get(id), videoData.getInputStream());
            result = new VideoStatus(VideoState.READY);
        } else {
            response.sendError(400, "No video data given.");
        }
    } else {
        response.sendError(404, "No video with id=" + id + " exists.");
    }

    return result;
}

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From source file:edu.northwestern.bioinformatics.studycalendar.web.template.ExportActivitiesController.java

@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    String identifier = extractIdentifier(request.getPathInfo(), ID_PATTERN);
    String fullPath = request.getPathInfo();
    String extension = fullPath.substring(fullPath.lastIndexOf(".") + 1).toLowerCase();

    if (identifier == null) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Could not extract study identifier");
        return null;
    }//from www.  j a v a  2 s .c  o  m
    Source source = sourceDao.getByName(identifier);
    if (source == null) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return null;
    }
    if (!(extension.equals("csv") || extension.equals("xls") || extension.equals("xml"))) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Wrong extension type");
        return null;
    }
    String elt;

    if (extension.equals("xml")) {
        response.setContentType("text/xml");
        elt = activitySourceXmlSerializer.createDocumentString(source);
    } else {
        if (extension.equals("csv")) {
            response.setContentType("text/plain");
            elt = sourceSerializer.createDocumentString(source, ',');
        } else {
            response.setContentType("text");
            elt = sourceSerializer.createDocumentString(source, '\t');
        }
    }

    byte[] content = elt.getBytes();
    response.setContentLength(content.length);
    response.setHeader("Content-Disposition", "attachment");
    FileCopyUtils.copy(content, response.getOutputStream());
    return null;
}

---

From source file:io.liuwei.web.StaticContentServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // ??/*from  w  ww.j  av  a  2s .  co m*/
    String contentPath = request.getPathInfo();
    if (StringUtils.isBlank(contentPath) || "/".equals(contentPath)) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "contentPath parameter is required.");
        return;
    }

    // ??.
    ContentInfo contentInfo = getContentInfo(contentPath);
    if (!contentInfo.file.exists()) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND, "file not found.");
        return;
    }

    // ?EtagModifiedSince Header?, ??304,.
    if (!Servlets.checkIfModifiedSince(request, response, contentInfo.lastModified)
            || !Servlets.checkIfNoneMatchEtag(request, response, contentInfo.etag)) {
        return;
    }

    // Etag/
    Servlets.setExpiresHeader(response, Servlets.ONE_YEAR_SECONDS);
    Servlets.setLastModifiedHeader(response, contentInfo.lastModified);
    Servlets.setEtag(response, contentInfo.etag);

    // MIME
    response.setContentType(contentInfo.mimeType);

    // ?Header
    if (request.getParameter("download") != null) {
        Servlets.setFileDownloadHeader(response, contentInfo.fileName);
    }

    // OutputStream
    OutputStream output;
    if (checkAccetptGzip(request) && contentInfo.needGzip) {
        // outputstream, http1.1 trunked??content-length.
        output = buildGzipOutputStream(response);
    } else {
        // outputstream, content-length.
        response.setContentLength(contentInfo.length);
        output = response.getOutputStream();
    }

    // ?,?input file
    FileUtils.copyFile(contentInfo.file, output);
    output.flush();
}

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