Example usage for javax.servlet ServletOutputStream write

List of usage examples for javax.servlet ServletOutputStream write

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Introduction

In this page you can find the example usage for javax.servlet ServletOutputStream write.

Prototype

public abstract void write(int b) throws IOException;

Source Link

Document

Writes the specified byte to this output stream.

Usage

From source file:com.mbv.web.rest.controller.DeliveryController.java

@RequestMapping(value = "/printPickBatch", method = RequestMethod.GET)
public void printPickBatch(HttpServletRequest request, HttpServletResponse response) throws MbvException {
    String degIdStr = request.getParameter("degIds");
    String[] degIdStrs = degIdStr.split(",");
    String orderCodes = request.getParameter("orderCodes").replace(",", "?");
    List<Long> degIds = new ArrayList<Long>();
    for (String idStr : degIdStrs) {
        degIds.add(Long.parseLong(idStr));
    }/*from  w w  w . java2  s.c  o  m*/

    List<GoodBean> goodList = deliveryService.queryGoodListByIds(degIds);

    String jasperPath = request.getSession().getServletContext().getRealPath("/reports/pick.jrxml");

    Map<String, Object> parameters = new HashMap<String, Object>();
    parameters.put("SUBREPORT_DIR", jasperPath);
    List<DeliveryDataSource> list = new ArrayList<DeliveryDataSource>();
    List<PickBean> goods = new ArrayList<PickBean>();
    int i = 0;
    for (GoodBean goodBean : goodList) {
        i++;
        PickBean good = new PickBean();
        good.setId(i);
        good.setCode(goodBean.getProdNum());
        good.setName(goodBean.getBrandName() + " " + goodBean.getProductName() + " " + goodBean.getColorName()
                + " " + goodBean.getSizeName());
        good.setNum(goodBean.getQty());
        goods.add(good);
    }

    DeliveryDataSource deliverySource = new DeliveryDataSource();
    deliverySource.setOrdercode(orderCodes);
    deliverySource.setTable_datas(new JRBeanCollectionDataSource(goods));
    list.add(deliverySource);

    try {
        JRDataSource dataSource = new JRBeanCollectionDataSource(list);
        JasperReport jasperReport = JasperCompileManager.compileReport(jasperPath);
        JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, dataSource);
        request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);

        byte[] bytes = JasperExportManager.exportReportToPdf(jasperPrint);

        response.setContentType("application/pdf");
        response.setContentLength(bytes.length);

        ServletOutputStream out = response.getOutputStream();
        out.write(bytes);
        out.flush();
        //end 

        //??
        deliveryService.updatePickPrintCount(degIds);

    } catch (IOException ioe) {
        System.err.println(ioe.getMessage());
    } catch (JRException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:org.fenixedu.academic.ui.struts.action.publico.candidacies.erasmus.ErasmusIndividualCandidacyProcessPublicDA.java

public ActionForward retrieveLearningAgreement(ActionMapping mapping, ActionForm form,
        HttpServletRequest request, HttpServletResponse response) throws Exception {
    MobilityIndividualApplicationProcess process = (MobilityIndividualApplicationProcess) getProcess(request);

    final LearningAgreementDocument document = new LearningAgreementDocument(process);
    byte[] data = ReportsUtils.generateReport(document).getData();

    response.setContentLength(data.length);
    response.setContentType("application/pdf");
    response.addHeader("Content-Disposition", "attachment; filename=" + document.getReportFileName() + ".pdf");

    final ServletOutputStream writer = response.getOutputStream();
    writer.write(data);
    writer.flush();//ww  w . jav a  2  s.  c  o m
    writer.close();

    response.flushBuffer();
    return mapping.findForward("");
}

From source file:com.mbv.web.rest.controller.DeliveryController.java

@RequestMapping(value = "/printDelivery", method = RequestMethod.GET)
public String printDelivery(HttpServletRequest request, HttpServletResponse response) throws MbvException {
    Long degId = Long.parseLong(request.getParameter("degId"));
    DeliveryBean delivery = deliveryService.getDeliveryBeanById(degId);
    if (delivery != null) {
        String province = delivery.getProvince();
        String city = delivery.getCity();
        String district = delivery.getDistrict();
        String address = delivery.getDelivAddress();
        delivery.setDelivAddress(province + city + district + address);
    }/*from w  w w .j  a  v a2s  . co m*/
    List<GoodBean> goodList = deliveryService.queryGoodByParams(degId);

    String jasperPath = request.getSession().getServletContext().getRealPath("/reports/delivery.jrxml");

    try {
        List<PickBean> goods = new ArrayList<PickBean>();
        int i = 0;
        for (GoodBean goodBean : goodList) {
            i++;
            PickBean good = new PickBean();
            good.setId(i);
            good.setCode(goodBean.getProdNum());
            good.setName(goodBean.getBrandName() + " " + goodBean.getProductName() + " "
                    + goodBean.getColorName() + " " + goodBean.getSizeName());
            good.setNum(goodBean.getQty());
            good.setOnBrandPrc(goodBean.getOnBrandPrc());
            good.setUnitPrice(goodBean.getUnitPrice());
            String total = df.format(mul(goodBean.getQty(), goodBean.getUnitPrice(), 2));
            good.setTotal(total);
            goods.add(good);
        }

        SysParameterEntity sysParam = sysParameterService.selectByPramCode("SYSTEM_PHONE");
        String sysPhone = sysParam.getParaVal();
        Map<String, Object> parameters = new HashMap<String, Object>();
        parameters.put("SUBREPORT_DIR", jasperPath);
        List<PdfDetail> pdfDetail = new ArrayList<PdfDetail>();
        PdfDetail detail = new PdfDetail();
        detail.setDoc_code(delivery.getDocCode());
        detail.setOrdernum(delivery.getOrderSn());
        detail.setConsignee(delivery.getConsignee());
        detail.setDeliv_address(delivery.getDelivAddress());
        detail.setMobile(delivery.getMoblie());
        detail.setTtl_qty(delivery.getTtlQty());
        detail.setTtl_val(delivery.getTtlVal());
        detail.setOrderRemark(delivery.getOrderRemark() == null ? "" : delivery.getOrderRemark());
        detail.setSysPhone(sysPhone);
        detail.setTable_datas(new JRBeanCollectionDataSource(goods));
        pdfDetail.add(detail);

        JasperReport jasperReport = JasperCompileManager.compileReport(jasperPath);
        JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters,
                new JRBeanCollectionDataSource(pdfDetail));
        request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);

        byte[] bytes = JasperExportManager.exportReportToPdf(jasperPrint);

        response.setContentType("application/pdf");
        response.setContentLength(bytes.length);

        ServletOutputStream out = response.getOutputStream();
        out.write(bytes);
        out.flush();
        //end 

    } catch (IOException ioe) {
        System.err.println(ioe.getMessage());
        return null;
    } catch (JRException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }

    return null;
}

From source file:com.mbv.web.rest.controller.DeliveryController.java

@RequestMapping(value = "/printDeliveryBacth", method = RequestMethod.GET)
public void printDeliveryBacth(HttpServletRequest request, HttpServletResponse response) throws MbvException {
    String degIdStr = request.getParameter("degIds");
    String[] degIds = degIdStr.split(",");
    List jasperPrintList = new ArrayList<JasperReport>();
    SysParameterEntity sysParam = sysParameterService.selectByPramCode("SYSTEM_PHONE");
    String sysPhone = sysParam.getParaVal();

    try {//from   w  w w .  j a v  a  2 s .c o m
        for (String degStr : degIds) {
            Long degId = Long.parseLong(degStr);
            DeliveryBean delivery = deliveryService.getDeliveryBeanById(degId);
            if (delivery != null) {
                String province = delivery.getProvince();
                String city = delivery.getCity();
                String district = delivery.getDistrict();
                String address = delivery.getDelivAddress();
                delivery.setDelivAddress(province + city + district + address);
            }
            List<GoodBean> goodList = deliveryService.queryGoodByParams(degId);

            String jasperPath = request.getSession().getServletContext().getRealPath("/reports/delivery.jrxml");
            List<PickBean> goods = new ArrayList<PickBean>();
            int i = 0;
            for (GoodBean goodBean : goodList) {
                i++;
                PickBean good = new PickBean();
                good.setId(i);
                good.setCode(goodBean.getProdNum());
                good.setName(goodBean.getBrandName() + " " + goodBean.getProductName() + " "
                        + goodBean.getColorName() + " " + goodBean.getSizeName());
                good.setNum(goodBean.getQty());
                good.setOnBrandPrc(goodBean.getOnBrandPrc());
                good.setUnitPrice(goodBean.getUnitPrice());
                String total = df.format(mul(goodBean.getQty(), goodBean.getUnitPrice(), 2));
                good.setTotal(total);
                goods.add(good);
            }

            Map<String, Object> parameters = new HashMap<String, Object>();
            parameters.put("SUBREPORT_DIR", jasperPath);
            List<PdfDetail> pdfDetail = new ArrayList<PdfDetail>();
            PdfDetail detail = new PdfDetail();
            detail.setDoc_code(delivery.getDocCode());
            detail.setOrdernum(delivery.getOrderSn());
            detail.setConsignee(delivery.getConsignee());
            detail.setDeliv_address(delivery.getDelivAddress());
            detail.setMobile(delivery.getMoblie());
            detail.setTtl_qty(delivery.getTtlQty());
            detail.setTtl_val(delivery.getTtlVal());
            detail.setOrderRemark(delivery.getOrderRemark() == null ? "" : delivery.getOrderRemark());
            detail.setSysPhone(sysPhone);
            detail.setTable_datas(new JRBeanCollectionDataSource(goods));
            pdfDetail.add(detail);

            JasperReport jasperReport = JasperCompileManager.compileReport(jasperPath);
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters,
                    new JRBeanCollectionDataSource(pdfDetail));
            request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);
            jasperPrintList.add(jasperPrint);
        }

        //byte[] bytes = JasperExportManager.exportReportToPdf(jasperPrint);
        //??
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        JRPdfExporter exporter = new JRPdfExporter();
        exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
        exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, baos);
        exporter.exportReport();
        byte[] bytes = baos.toByteArray();

        response.setContentType("application/pdf");
        response.setContentLength(bytes.length);

        ServletOutputStream out = response.getOutputStream();
        out.write(bytes);
        out.flush();
        //end 

    } catch (IOException ioe) {
        System.err.println(ioe.getMessage());
    } catch (JRException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:com.mbv.web.rest.controller.DeliveryController.java

@RequestMapping(value = "/printExpress", method = RequestMethod.GET)
public void printExpress(HttpServletRequest request, HttpServletResponse response) throws MbvException {
    Long degId = Long.parseLong(request.getParameter("degId"));
    int printCount = Integer.parseInt(request.getParameter("printCount"));
    String tspComCode = (String) request.getParameter("tspComCode");
    DeliveryBean delivery = deliveryService.getDeliveryBeanById(degId);
    HttpSession session = request.getSession();
    String warehCode = (String) session.getAttribute(MbvConstant.WAREH_CODE);
    VpSenderEntity sendAddress = deliveryService.getSendAddressByWarehCode(warehCode);
    if (sendAddress != null) {
        if (!"sto".equals(tspComCode) && !"yto".equals(tspComCode)) {
            String province = sendAddress.getProvince();
            String city = sendAddress.getCity();
            String district = sendAddress.getDistrict();
            String address = sendAddress.getAddress();
            sendAddress.setAddress(province + " " + city + " " + district + " " + address);
        }/* ww  w.j a  v  a2 s  . co  m*/
    }

    List jasperPrintList = new ArrayList<JasperReport>();

    if (!"sto".equals(tspComCode) && !"yto".equals(tspComCode)) {
        String province = delivery.getProvince();
        String city = delivery.getCity();
        String district = delivery.getDistrict();
        String address = delivery.getDelivAddress();
        delivery.setDelivAddress(province + " " + city + " " + district + " " + address);
    }

    try {
        for (int i = 0; i < printCount; i++) {
            String templateName = tspComCode + "_express.jrxml";
            String imageName = tspComCode + ".jpg";
            String jasperPath = request.getSession().getServletContext()
                    .getRealPath("/reports/" + templateName);
            String imageurl = request.getSession().getServletContext().getRealPath("/images/" + imageName);

            List tmpList = new ArrayList();
            Map<String, Object> pram = new HashMap<String, Object>();
            pram.put("name", delivery.getConsignee() == null ? "" : delivery.getConsignee());
            pram.put("phone", delivery.getMoblie() == null ? "" : delivery.getMoblie());
            pram.put("code", delivery.getDelivPstd() == null ? "" : delivery.getDelivPstd());
            pram.put("province", delivery.getProvince() == null ? "" : delivery.getProvince());
            pram.put("city", delivery.getCity() == null ? "" : delivery.getCity());
            pram.put("district", delivery.getDistrict() == null ? "" : delivery.getDistrict());
            pram.put("company", "");
            pram.put("address", delivery.getDelivAddress() == null ? "" : delivery.getDelivAddress());
            pram.put("sendName", sendAddress == null ? "" : sendAddress.getConsignor());
            pram.put("sendPhone", sendAddress == null ? "" : sendAddress.getMobile());
            pram.put("sendCode", sendAddress == null ? "" : sendAddress.getZip());
            pram.put("sendAddress", sendAddress == null ? "" : sendAddress.getAddress());
            pram.put("sendProvince", sendAddress == null ? "" : sendAddress.getProvince());
            pram.put("sendCity", sendAddress == null ? "" : sendAddress.getCity());
            pram.put("sendDistrict", sendAddress == null ? "" : sendAddress.getDistrict());
            pram.put("sendCompany", "");
            pram.put("docCode", delivery.getDocCode() == null ? "" : delivery.getDocCode());
            pram.put("imageurl", imageurl);
            tmpList.add(pram);
            JasperReport jasperReport = JasperCompileManager.compileReport(jasperPath);
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, pram,
                    new JRBeanCollectionDataSource(tmpList));
            request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);

            jasperPrintList.add(jasperPrint);
        }

        //byte[] bytes = JasperExportManager.exportReportToPdf(jasperPrint);
        //??
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        JRPdfExporter exporter = new JRPdfExporter();
        exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
        exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, baos);
        exporter.exportReport();
        byte[] bytes = baos.toByteArray();

        response.setContentType("application/pdf");
        response.setContentLength(bytes.length);

        ServletOutputStream out = response.getOutputStream();
        out.write(bytes);
        out.flush();
        //end 

    } catch (IOException ioe) {
        System.err.println(ioe.getMessage());
    } catch (JRException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:com.mbv.web.rest.controller.DeliveryController.java

@RequestMapping(value = "/printExpressBatch", method = RequestMethod.GET)
public void printExpressBatch(HttpServletRequest request, HttpServletResponse response) throws MbvException {
    HttpSession session = request.getSession();
    String warehCode = (String) session.getAttribute(MbvConstant.WAREH_CODE);
    VpSenderEntity sendAddress = deliveryService.getSendAddressByWarehCode(warehCode);
    String tspComCode = (String) request.getParameter("tspComCode");
    if (sendAddress != null) {
        if (!"sto".equals(tspComCode) && !"yto".equals(tspComCode)) {
            String province = sendAddress.getProvince();
            String city = sendAddress.getCity();
            String district = sendAddress.getDistrict();
            String address = sendAddress.getAddress();
            sendAddress.setAddress(province + " " + city + " " + district + " " + address);
        }/*  ww  w.ja  va  2s  .c  o m*/
    }

    String degIdStr = request.getParameter("degIds");
    String[] degIds = degIdStr.split(",");
    List jasperPrintList = new ArrayList<JasperReport>();

    try {
        for (String degStr : degIds) {
            Long degId = Long.parseLong(degStr);
            DeliveryBean delivery = deliveryService.getDeliveryBeanById(degId);

            if (!"sto".equals(tspComCode) && !"yto".equals(tspComCode)) {
                String province = delivery.getProvince();
                String city = delivery.getCity();
                String district = delivery.getDistrict();
                String address = delivery.getDelivAddress();
                delivery.setDelivAddress(province + " " + city + " " + district + " " + address);
            }

            String templateName = tspComCode + "_express.jrxml";
            String imageName = tspComCode + ".jpg";
            String jasperPath = request.getSession().getServletContext()
                    .getRealPath("/reports/" + templateName);
            String imageurl = request.getSession().getServletContext().getRealPath("/images/" + imageName);

            List tmpList = new ArrayList();
            Map<String, Object> pram = new HashMap<String, Object>();
            pram.put("name", delivery.getConsignee() == null ? "" : delivery.getConsignee());
            pram.put("phone", delivery.getMoblie() == null ? "" : delivery.getMoblie());
            pram.put("code", delivery.getDelivPstd() == null ? "" : delivery.getDelivPstd());
            pram.put("province", delivery.getProvince() == null ? "" : delivery.getProvince());
            pram.put("city", delivery.getCity() == null ? "" : delivery.getCity());
            pram.put("district", delivery.getDistrict() == null ? "" : delivery.getDistrict());
            pram.put("company", "");
            pram.put("address", delivery.getDelivAddress() == null ? "" : delivery.getDelivAddress());
            pram.put("sendName", sendAddress == null ? "" : sendAddress.getConsignor());
            pram.put("sendPhone", sendAddress == null ? "" : sendAddress.getMobile());
            pram.put("sendCode", sendAddress == null ? "" : sendAddress.getZip());
            pram.put("sendAddress", sendAddress == null ? "" : sendAddress.getAddress());
            pram.put("sendProvince", sendAddress == null ? "" : sendAddress.getProvince());
            pram.put("sendCity", sendAddress == null ? "" : sendAddress.getCity());
            pram.put("sendDistrict", sendAddress == null ? "" : sendAddress.getDistrict());
            pram.put("sendCompany", "");
            pram.put("docCode", delivery.getDocCode() == null ? "" : delivery.getDocCode());
            pram.put("imageurl", imageurl);
            tmpList.add(pram);
            JasperReport jasperReport = JasperCompileManager.compileReport(jasperPath);
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, pram,
                    new JRBeanCollectionDataSource(tmpList));
            request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);

            jasperPrintList.add(jasperPrint);
        }

        //byte[] bytes = JasperExportManager.exportReportToPdf(jasperPrint);
        //??
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        JRPdfExporter exporter = new JRPdfExporter();
        exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
        exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, baos);
        exporter.exportReport();
        byte[] bytes = baos.toByteArray();

        response.setContentType("application/pdf");
        response.setContentLength(bytes.length);

        ServletOutputStream out = response.getOutputStream();
        out.write(bytes);
        out.flush();
        //end 

    } catch (IOException ioe) {
        System.err.println(ioe.getMessage());
    } catch (JRException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:org.wso2.carbon.webapp.list.ui.WebappAdminClient.java

public void downloadWarFileHandler(String fileName, String hostName, String webappType,
        HttpServletResponse response) throws AxisFault {
    try {/*from  w ww . j a  v a  2  s  .  c o m*/
        ServletOutputStream out = response.getOutputStream();
        DataHandler handler = stub.downloadWarFileHandler(fileName, hostName, webappType);
        if (handler != null) {
            if ("jaggeryWebapp".equals(webappType)) {
                if (!fileName.endsWith(".zip")) {
                    fileName = fileName.concat(".zip");
                }
            } else if (!fileName.endsWith(".war")) {
                fileName = fileName.concat(".war");
            }
            response.setHeader("Content-Disposition", "fileName=" + fileName);
            response.setContentType(handler.getContentType());
            InputStream in = handler.getDataSource().getInputStream();
            int nextChar;
            while ((nextChar = in.read()) != -1) {
                out.write((char) nextChar);
            }
            out.flush();
            in.close();
        } else {
            out.write("The requested webapp was not found on the server".getBytes());
        }
    } catch (RemoteException e) {
        handleException("error.downloading.war", e);
    } catch (IOException e) {
        handleException("error.downloading.war", e);
    }
}

From source file:com.globalsight.everest.webapp.pagehandler.tasks.UpdateLeverageHandler.java

@ActionHandler(action = "getPercentage", formClass = "")
public void getPercentage(HttpServletRequest p_request, HttpServletResponse p_response, Object form)
        throws Exception {
    String jobId = p_request.getParameter("jobId");
    int percentage = percentageMap.get(Long.parseLong(jobId));
    String fakeParam = p_request.getParameter("fresh");
    if (logger.isDebugEnabled()) {
        logger.debug(//from  w  ww  .j av a 2s. c om
                "FakeParam is " + fakeParam + "; Current jobId is " + jobId + "; Percentage is " + percentage);
    }

    ServletOutputStream out = p_response.getOutputStream();
    try {
        p_response.setContentType("text/plain");
        out = p_response.getOutputStream();
        StringBuffer sb = new StringBuffer();
        sb.append("{\"updateLeveragePercentage\":");
        sb.append(percentage).append("}");
        out.write(sb.toString().getBytes("UTF-8"));
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    } finally {
        out.close();
        pageReturn();
    }
}

From source file:org.apache.lucene.replicator.http.ReplicationService.java

/** Executes the replication task. */
public void perform(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String[] pathElements = getPathElements(req);

    if (pathElements.length != 2) {
        throw new ServletException("invalid path, must contain shard ID and action, e.g. */s1/update");
    }//  ww w.  j  av  a 2s  .  c o m

    final ReplicationAction action;
    try {
        action = ReplicationAction.valueOf(pathElements[ACTION_IDX].toUpperCase(Locale.ENGLISH));
    } catch (IllegalArgumentException e) {
        throw new ServletException("Unsupported action provided: " + pathElements[ACTION_IDX]);
    }

    final Replicator replicator = replicators.get(pathElements[SHARD_IDX]);
    if (replicator == null) {
        throw new ServletException("unrecognized shard ID " + pathElements[SHARD_IDX]);
    }

    // SOLR-8933 Don't close this stream.
    ServletOutputStream resOut = resp.getOutputStream();
    try {
        switch (action) {
        case OBTAIN:
            final String sessionID = extractRequestParam(req, REPLICATE_SESSION_ID_PARAM);
            final String fileName = extractRequestParam(req, REPLICATE_FILENAME_PARAM);
            final String source = extractRequestParam(req, REPLICATE_SOURCE_PARAM);
            InputStream in = replicator.obtainFile(sessionID, source, fileName);
            try {
                copy(in, resOut);
            } finally {
                in.close();
            }
            break;
        case RELEASE:
            replicator.release(extractRequestParam(req, REPLICATE_SESSION_ID_PARAM));
            break;
        case UPDATE:
            String currVersion = req.getParameter(REPLICATE_VERSION_PARAM);
            SessionToken token = replicator.checkForUpdate(currVersion);
            if (token == null) {
                resOut.write(0); // marker for null token
            } else {
                resOut.write(1);
                token.serialize(new DataOutputStream(resOut));
            }
            break;
        }
    } catch (Exception e) {
        resp.setStatus(HttpStatus.SC_INTERNAL_SERVER_ERROR); // propagate the failure
        try {
            /*
             * Note: it is assumed that "identified exceptions" are thrown before
             * anything was written to the stream.
             */
            ObjectOutputStream oos = new ObjectOutputStream(resOut);
            oos.writeObject(e);
            oos.flush();
        } catch (Exception e2) {
            throw new IOException("Could not serialize", e2);
        }
    } finally {
        resp.flushBuffer();
    }
}

From source file:com.jd.survey.web.settings.SurveyDefinitionController.java

/**
 * Returns the survey logo image binary  
 * @param departmentId//from w w  w. jav a 2 s.  c o m
 * @param uiModel
 * @param httpServletRequest
 * @return
 */
@Secured({ "ROLE_ADMIN", "ROLE_SURVEY_ADMIN" })
@RequestMapping(value = "/logo/{id}", produces = "text/html")
public void getSurveyLogo(@PathVariable("id") Long surveyDefinitionId, Model uiModel, Principal principal,
        HttpServletRequest httpServletRequest, HttpServletResponse response) {
    try {
        uiModel.asMap().clear();
        User user = userService.user_findByLogin(principal.getName());
        //Check if the user is authorized
        if (!securityService.userIsAuthorizedToManageSurvey(surveyDefinitionId, user)) {
            log.warn("Unauthorized access to url path " + httpServletRequest.getPathInfo()
                    + " attempted by user login:" + principal.getName() + "from IP:"
                    + httpServletRequest.getLocalAddr());
            throw (new RuntimeException("Unauthorized access to logo"));
        }
        SurveyDefinition surveyDefinition = surveySettingsService.surveyDefinition_findById(surveyDefinitionId);
        //response.setContentType("image/png");
        ServletOutputStream servletOutputStream = response.getOutputStream();
        servletOutputStream.write(surveyDefinition.getLogo());
        servletOutputStream.flush();
    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw (new RuntimeException(e));
    }
}