Example usage for javax.servlet ServletOutputStream flush

List of usage examples for javax.servlet ServletOutputStream flush

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Introduction

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

Prototype

public void flush() throws IOException

Source Link

Document

Flushes this output stream and forces any buffered output bytes to be written out.

Usage

From source file:org.kuali.kfs.module.purap.document.web.struts.BulkReceivingAction.java

public ActionForward printReceivingTicket(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    String blkDocId = request.getParameter("docId");
    ByteArrayOutputStream baosPDF = new ByteArrayOutputStream();

    try {/*from w  w w .j a  v  a2  s  .  c  o m*/
        // will throw validation exception if errors occur
        SpringContext.getBean(BulkReceivingService.class).performPrintReceivingTicketPDF(blkDocId, baosPDF);

        response.setHeader("Cache-Control", "max-age=30");
        response.setContentType("application/pdf");
        StringBuffer sbContentDispValue = new StringBuffer();
        String useJavascript = request.getParameter("useJavascript");
        if (useJavascript == null || useJavascript.equalsIgnoreCase("false")) {
            sbContentDispValue.append("attachment");
        } else {
            sbContentDispValue.append("inline");
        }
        StringBuffer sbFilename = new StringBuffer();
        sbFilename.append("PURAP_RECEIVING_TICKET_");
        sbFilename.append(blkDocId);
        sbFilename.append("_");
        sbFilename.append(System.currentTimeMillis());
        sbFilename.append(".pdf");
        sbContentDispValue.append("; filename=");
        sbContentDispValue.append(sbFilename);

        response.setHeader("Content-disposition", sbContentDispValue.toString());

        response.setContentLength(baosPDF.size());

        ServletOutputStream sos = response.getOutputStream();
        baosPDF.writeTo(sos);
        sos.flush();

    } finally {
        if (baosPDF != null) {
            baosPDF.reset();
        }
    }

    return null;
}

From source file:org.betaconceptframework.astroboa.console.export.ExcelExportBean.java

public void exportContentObjectSelection(ContentObjectSelectionBean contentObjectSelection, String locale) {

    if (contentObjectSelection == null
            || CollectionUtils.isEmpty(contentObjectSelection.getSelectedContentObjects())) {
        JSFUtilities.addMessage(null, "object.action.export.message.nullList", null,
                FacesMessage.SEVERITY_WARN);
        return;// w  ww .j a  v  a  2  s  . c  o  m
    }

    if (StringUtils.isEmpty(locale)) {
        locale = "en";
        logger.warn("Provided Locale was empty. The default locale which is 'en' will be used");
    }

    List<ContentObjectUIWrapper> contentObjectUiWrapperList = contentObjectSelection
            .getSelectedContentObjects();

    FacesContext facesContext = FacesContext.getCurrentInstance();
    if (!facesContext.getResponseComplete()) {
        HttpServletResponse response = (HttpServletResponse) facesContext.getExternalContext().getResponse();
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("UTF-8");

        WorkbookBuilder workbookBuilder = new WorkbookBuilder(astroboaClient.getDefinitionService(), locale);

        int rowIndex = 2;
        for (ContentObjectUIWrapper contentObjectUiWrapper : contentObjectUiWrapperList) {
            ContentObject contentObject = contentObjectUiWrapper.getContentObject();

            //Reload object
            ContentObject object = astroboaClient.getContentService().getContentObject(contentObject.getId(),
                    ResourceRepresentationType.CONTENT_OBJECT_INSTANCE, FetchLevel.FULL, CacheRegion.NONE, null,
                    false);

            workbookBuilder.addContentObjectToWorkbook(object);

            ++rowIndex;

            //Limit to the first 5000 content objects
            if (rowIndex > 5000) {
                break;
            }
        }

        String filename = createFilename(workbookBuilder);

        response.setHeader("Content-Disposition", "attachment;filename=" + filename + ".xls");

        try {
            ServletOutputStream servletOutputStream = response.getOutputStream();

            //workbook.write(servletOutputStream);
            workbookBuilder.getWorkbook().write(servletOutputStream);

            servletOutputStream.flush();

            facesContext.responseComplete();

        } catch (IOException e) {
            logger.error("An error occurred while writing excel workbook to servlet output stream", e);
            JSFUtilities.addMessage(null, "object.action.export.message.error", null,
                    FacesMessage.SEVERITY_WARN);
        } finally {
            workbookBuilder.clear();
            workbookBuilder = null;
        }

    } else {
        JSFUtilities.addMessage(null, "object.action.export.message.error", null, FacesMessage.SEVERITY_WARN);
    }

}

From source file:org.betaconceptframework.astroboa.console.export.ExcelExportBean.java

public void exportContentObjectList(ContentObjectCriteria contentObjectCriteria, String locale) {

    // remove offset from criteria and add a limit of 5000
    contentObjectCriteria.setOffset(0);/*from  ww  w  .jav a 2 s  .  c  o m*/
    contentObjectCriteria.setLimit(5000);

    // run the query
    CmsOutcome<ContentObject> cmsOutcome = astroboaClient.getContentService()
            .searchContentObjects(contentObjectCriteria, ResourceRepresentationType.CONTENT_OBJECT_LIST);

    if (cmsOutcome.getCount() == 0) {
        JSFUtilities.addMessage(null, "object.action.export.message.nullList", null,
                FacesMessage.SEVERITY_WARN);
        return;
    }

    if (StringUtils.isEmpty(locale)) {
        locale = "en";
        logger.warn("Provided Locale was empty. The default locale which is 'en' will be used");
    }

    List<ContentObject> cmsOutcomeRowList = cmsOutcome.getResults();

    FacesContext facesContext = FacesContext.getCurrentInstance();
    if (!facesContext.getResponseComplete()) {
        HttpServletResponse response = (HttpServletResponse) facesContext.getExternalContext().getResponse();
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("UTF-8");

        WorkbookBuilder workbookBuilder = new WorkbookBuilder(astroboaClient.getDefinitionService(), locale);

        int rowIndex = 2;
        for (ContentObject contentObject : cmsOutcomeRowList) {

            //Reload object
            ContentObject object = astroboaClient.getContentService().getContentObject(contentObject.getId(),
                    ResourceRepresentationType.CONTENT_OBJECT_INSTANCE, FetchLevel.FULL, CacheRegion.NONE, null,
                    false);

            workbookBuilder.addContentObjectToWorkbook(object);

            ++rowIndex;

        }

        String filename = createFilename(workbookBuilder);

        response.setHeader("Content-Disposition", "attachment;filename=" + filename + ".xls");
        //autoSizeColumns(sheet);

        try {
            ServletOutputStream servletOutputStream = response.getOutputStream();

            //workbook.write(servletOutputStream);
            workbookBuilder.getWorkbook().write(servletOutputStream);

            servletOutputStream.flush();

            facesContext.responseComplete();

        } catch (IOException e) {
            logger.error("An error occurred while writing excel workbook to servlet output stream", e);
            JSFUtilities.addMessage(null, "object.action.export.message.error", null,
                    FacesMessage.SEVERITY_WARN);
        } finally {
            workbookBuilder.clear();
            workbookBuilder = null;
        }

    } else {
        JSFUtilities.addMessage(null, "object.action.export.message.error", null, FacesMessage.SEVERITY_WARN);
    }

}

From source file:com.labimo.portlet.DownloadServlet.java

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

    String hardwareUuid = request.getParameter("hardwareUuid");
    String licenseUuid = request.getParameter("licenseUuid");
    String fileName = "license.txt";
    License license = null;//from w  w w  .ja  v a2 s.  c o m
    try {
        license = LicenseLocalServiceUtil.getLicense(licenseUuid);
        if (license != null && license.getValid()) {
            response.setHeader("Content-Type", "application/octet-stream");
            ServletOutputStream servletOutputStream = response.getOutputStream();
            response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

            IOUtils.write(LicenseUtils.getChargesLicenseContent(hardwareUuid, license.getIssueDate(),
                    license.getValidDate()), servletOutputStream);

            servletOutputStream.flush();
            servletOutputStream.close();

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

    /*
     * String activationId = "1a508567-61f9-3e5a-8923-b27ca6d00028"; String
     * fileName = "license.txt"; List<Activation> activationList =
     * LicenseUtils
     * .getActivationListByLicenseUuid("4091a61b-4b3d-46b9-890d-2a3e63f09d3c"
     * ); if (activationList != null && activationList.size() > 0) { //
     * License license = // LicenseLocalServiceUtil.getLicense(licenseUuid);
     * License license = null; try { license = LicenseLocalServiceUtil
     * .getLicense("4091a61b-4b3d-46b9-890d-2a3e63f09d3c"); } catch
     * (PortalException e) { // TODO Auto-generated catch block
     * e.printStackTrace(); } catch (SystemException e) { // TODO
     * Auto-generated catch block e.printStackTrace(); }
     * System.out.println("getIssueDate = " + license.getIssueDate());
     * System.out.println("getValidDate = " + license.getValidDate());
     * System.out.println("getValid = " + license.getValid()); if
     * (license.getValid()) { response.setHeader("Content-Type",
     * "application/octet-stream"); ServletOutputStream servletOutputStream
     * = response .getOutputStream();
     * response.setHeader("Content-Disposition", "attachment; filename=\"" +
     * fileName + "\"");
     * 
     * try { IOUtils.write(LicenseUtils.getChargesLicenseContent(
     * activationId, license.getIssueDate(), license.getValidDate()),
     * servletOutputStream); } catch (Exception e) { // TODO Auto-generated
     * catch block e.printStackTrace(); } servletOutputStream.flush();
     * servletOutputStream.close();
     * 
     * } }
     */

}

From source file:org.efs.openreports.actions.ReportRunAction.java

public String execute() {
    ReportUser user = (ReportUser) ActionContext.getContext().getSession().get(ORStatics.REPORT_USER);

    Report report = (Report) ActionContext.getContext().getSession().get(ORStatics.REPORT);

    int exportType = Integer
            .parseInt((String) ActionContext.getContext().getSession().get(ORStatics.EXPORT_TYPE));

    Map reportParameters = getReportParameterMap(user, report, exportType);
    Map imagesMap = getImagesMap();

    HttpServletRequest request = ServletActionContext.getRequest();
    HttpServletResponse response = ServletActionContext.getResponse();

    // set headers to disable caching      
    response.setHeader("Pragma", "public");
    response.setHeader("Cache-Control", "max-age=0");

    ReportLog reportLog = new ReportLog(user, report, new Date());

    JRVirtualizer virtualizer = null;/*from  w  ww  . j  a  va 2s  .  c om*/

    try {
        if (exportType == ReportEngine.EXPORT_PDF) {
            // Handle "contype" request from Internet Explorer
            if ("contype".equals(request.getHeader("User-Agent"))) {
                response.setContentType("application/pdf");
                response.setContentLength(0);

                ServletOutputStream outputStream = response.getOutputStream();
                outputStream.close();

                return NONE;
            }
        }

        log.debug("Filling report: " + report.getName());

        reportLogProvider.insertReportLog(reportLog);

        if (report.isVirtualizationEnabled() && exportType != ReportEngine.EXPORT_IMAGE) {
            log.debug("Virtualization Enabled");
            virtualizer = new JRFileVirtualizer(2, directoryProvider.getTempDirectory());
            reportParameters.put(JRParameter.REPORT_VIRTUALIZER, virtualizer);
        }

        ReportEngineInput reportInput = new ReportEngineInput(report, reportParameters);
        reportInput.setExportType(exportType);
        reportInput.setImagesMap(imagesMap);

        // add any charts
        if (report.getReportChart() != null) {
            log.debug("Adding chart: " + report.getReportChart().getName());

            ChartReportEngine chartEngine = new ChartReportEngine(dataSourceProvider, directoryProvider,
                    propertiesProvider);

            ChartEngineOutput chartOutput = (ChartEngineOutput) chartEngine.generateReport(reportInput);

            reportParameters.put("ChartImage", chartOutput.getContent());
        }

        ReportEngineOutput reportOutput = null;
        JasperPrint jasperPrint = null;

        if (report.isJasperReport()) {
            JasperReportEngine jasperEngine = new JasperReportEngine(dataSourceProvider, directoryProvider,
                    propertiesProvider);

            jasperPrint = jasperEngine.fillReport(reportInput);

            log.debug("Report filled - " + report.getName() + " : size = " + jasperPrint.getPages().size());

            log.debug("Exporting report: " + report.getName());

            reportOutput = jasperEngine.exportReport(jasperPrint, exportType, report.getReportExportOption(),
                    imagesMap, false);
        } else {
            ReportEngine reportEngine = ReportEngineHelper.getReportEngine(report, dataSourceProvider,
                    directoryProvider, propertiesProvider);
            reportOutput = reportEngine.generateReport(reportInput);
        }

        response.setContentType(reportOutput.getContentType());

        if (exportType != ReportEngine.EXPORT_HTML && exportType != ReportEngine.EXPORT_IMAGE) {
            response.setHeader("Content-disposition", "inline; filename="
                    + StringUtils.deleteWhitespace(report.getName()) + reportOutput.getContentExtension());
        }

        if (exportType == ReportEngine.EXPORT_IMAGE) {
            if (jasperPrint != null) {
                ActionContext.getContext().getSession().put(ORStatics.JASPERPRINT, jasperPrint);
            }
        } else {
            byte[] content = reportOutput.getContent();

            response.setContentLength(content.length);

            ServletOutputStream out = response.getOutputStream();
            out.write(content, 0, content.length);
            out.flush();
            out.close();
        }

        reportLog.setEndTime(new Date());
        reportLog.setStatus(ReportLog.STATUS_SUCCESS);
        reportLogProvider.updateReportLog(reportLog);

        log.debug("Finished report: " + report.getName());
    } catch (Exception e) {
        if (e.getMessage() != null && e.getMessage().indexOf("Empty") > 0) {
            addActionError(LocalStrings.getString(LocalStrings.ERROR_REPORT_EMPTY));
            reportLog.setStatus(ReportLog.STATUS_EMPTY);
        } else {
            addActionError(e.getMessage());

            log.error(e.getMessage());

            reportLog.setMessage(e.getMessage());
            reportLog.setStatus(ReportLog.STATUS_FAILURE);
        }

        reportLog.setEndTime(new Date());

        try {
            reportLogProvider.updateReportLog(reportLog);
        } catch (Exception ex) {
            log.error("Unable to create ReportLog: " + ex.getMessage());
        }

        return ERROR;
    } finally {
        if (virtualizer != null) {
            reportParameters.remove(JRParameter.REPORT_VIRTUALIZER);
            virtualizer.cleanup();
        }
    }

    if (exportType == ReportEngine.EXPORT_IMAGE)
        return SUCCESS;

    return NONE;
}

From source file:net.sourceforge.fenixedu.presentationTier.Action.manager.enrolments.CurriculumLineLogsDA.java

public ActionForward viewCurriculumLineLogStatisticsChartOperations(ActionMapping mapping, ActionForm form,
        HttpServletRequest request, HttpServletResponse response) throws IOException {

    final ExecutionSemester executionSemester = getDomainObject(request, "executionSemesterId");

    if (executionSemester != null) {
        final CurriculumLineLogStatisticsCalculator curriculumLineLogStatisticsCalculator = new CurriculumLineLogStatisticsCalculator(
                executionSemester);/*from   w ww . ja va 2s  .  co m*/

        ServletOutputStream writer = null;
        try {
            writer = response.getOutputStream();
            response.setContentType("image/jpeg");
            writer.write(curriculumLineLogStatisticsCalculator.getOperationsChart());
            writer.flush();
        } finally {
            writer.close();
            response.flushBuffer();
        }

    }

    return null;
}

From source file:com.controlj.green.istat.web.TreeServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    resp.setHeader("Expires", "Wed, 01 Jan 2003 12:00:00 GMT");
    resp.setHeader("Cache-Control", "no-cache");
    ServletOutputStream out = resp.getOutputStream();
    try {//w w  w.  ja va 2s.co m
        writeLevel(out, req.getParameter(LOCATION_PARAM), req);
    } catch (Exception e) {
        Logging.LOGGER.println("Error getting tree info");
        e.printStackTrace(Logging.LOGGER);
        throw new ServletException(e);
    }
    out.flush();
    /*
    out.println("[");
    out.println("{ display:'Main Conf Room', id:'mainconf'},");
    out.println("{ display:'Board Room', id:'boardroom'},");
    out.println("{ display:'Room 235', id:'room235'}");
    out.println("]");
    */
}

From source file:com.rplt.studioMusik.controller.OperatorController.java

@RequestMapping(value = "/cetakNota", method = RequestMethod.GET)
public String cetakNota(HttpServletResponse response) {
    Connection conn = DatabaseConnection.getmConnection();
    //            File reportFile = new File(application.getRealPath("Coba.jasper"));//your report_name.jasper file
    File reportFile = new File(
            servletConfig.getServletContext().getRealPath("/resources/report/nota_persewaan.jasper"));

    Map parameters = new HashMap();
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("P_KODESEWA", request.getParameter("kodeSewa"));
    byte[] bytes = null;
    try {/*w  w  w .jav  a 2s  .  c  o m*/
        bytes = JasperRunManager.runReportToPdf(reportFile.getPath(), params, conn);
    } catch (JRException ex) {
        Logger.getLogger(OperatorController.class.getName()).log(Level.SEVERE, null, ex);
    }

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

    try {
        ServletOutputStream outStream = response.getOutputStream();
        outStream.write(bytes, 0, bytes.length);
        outStream.flush();
        outStream.close();
    } catch (IOException ex) {
        Logger.getLogger(MemberController.class.getName()).log(Level.SEVERE, null, ex);
    }
    return "halaman-cetakNota-operator";
}

From source file:com.jd.survey.web.security.LoginController.java

@RequestMapping(method = RequestMethod.GET, value = "/w/{uuid}", produces = "image/gif")
public void getWhiteGif(@PathVariable("uuid") String uuid, Principal principal,
        HttpServletRequest httpServletRequest, HttpServletResponse response) {

    try {//from  www . j a v a  2  s .c  o m

        Invitation invitation = surveySettingsService.invitation_findByUuid(uuid);
        if (invitation != null) {
            surveySettingsService.invitation_updateAsRead(invitation.getId());
        }

        //white 1 x 1 pixel gif binary 
        byte[] trackingGif = { 0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x1, 0x0, 0x1, 0x0, (byte) 0x80, 0x0, 0x0,
                (byte) 0xff, (byte) 0xff, (byte) 0xff, 0x0, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1,
                0x0, 0x0, 0x2, 0x2, 0x44, 0x1, 0x0, 0x3b };

        response.setContentType("image/gif");
        ServletOutputStream servletOutputStream = response.getOutputStream();
        servletOutputStream.write(trackingGif);
        servletOutputStream.flush();

    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw (new RuntimeException(e));
    }
}

From source file:org.dataconservancy.ui.api.DataItemController.java

@RequestMapping(value = "/{idpart}", method = RequestMethod.GET)
public void handleDataItemGetRequest(@RequestHeader(value = "Accept", required = false) String mimeType,
        @RequestHeader(value = "If-Match", required = false) String ifMatch,
        @RequestHeader(value = "If-None-Match", required = false) String ifNoneMatch,
        @RequestHeader(value = "If-Modified-Since", required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) Date modifiedSince,
        HttpServletRequest request, HttpServletResponse response)
        throws IOException, ArchiveServiceException, BizPolicyException {

    // Check to see if the user is authenticated (TODO: have Spring Security be responsible for this?)
    // Note that the fact that the user has to be authenticated, and further authorized, is a policy decision,
    // but the pattern for the Project and Person controllers is that the Controller has handled this.
    final Person authenticatedUser = getAuthenticatedUser();

    // Rudimentary Accept Header handling; accepted values are */*, application/*, application/xml,
    // application/octet-stream
    if (mimeType != null && !(mimeType.contains(APPLICATION_XML) || mimeType.contains(ACCEPT_WILDCARD)
            || mimeType.contains(ACCEPT_APPLICATION_WILDCARD) || mimeType.contains(ACCEPT_OCTET_STREAM))) {
        response.sendError(HttpServletResponse.SC_NOT_ACCEPTABLE,
                "Unacceptable value for 'Accept' header: '" + mimeType + "'");
        return;/*from   w  w  w  . j a v a2s . c o  m*/
    }
    // Resolve the Request URL to the ID of the DataItem (in this case URL == ID)
    String dataItemId = requestUtil.buildRequestUrl(request);

    if (dataItemId == null || dataItemId.trim().isEmpty()) {
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        return;
    }
    // Get the DataItem
    final DataItem dataItem = getDataItem(dataItemId);
    // Calculate the ETag for the DataItem, may be null.
    final String etag;
    if (dataItem != null) {
        etag = calculateEtag(dataItem);
    } else {
        etag = null;
    }
    // Handle the 'If-Match' header first; RFC 2616 14.24
    if (this.responseHeaderUtil.handleIfMatch(request, response, this.requestUtil, ifMatch, dataItem, etag,
            dataItemId, "DataItem")) {
        return;
    }

    final DateTime lastModified;
    if (dataItem != null) {
        lastModified = getLastModified(dataItem.getId());
    } else {
        lastModified = null;
    }
    // Handle the 'If-None-Match' header; RFC 2616 14.26
    if (this.responseHeaderUtil.handleIfNoneMatch(request, response, ifNoneMatch, dataItem, etag, dataItemId,
            lastModified, modifiedSince)) {
        return;
    }

    if (dataItem == null) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    // Handle the 'If-Modified-Since' header; RFC 2616 14.26
    if (this.responseHeaderUtil.handleIfModifiedSince(request, response, modifiedSince, lastModified)) {
        return;
    }
    // Check to see if the user is authorized
    if (!authzService.canRetrieveDataSet(authenticatedUser, dataItem)) {
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
        return;
    }
    // Compose the Business Object Package
    Bop businessPackage = new Bop();
    businessPackage.addDataItem(dataItem);

    // Serialize the package to an output stream
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    bob.buildBusinessObjectPackage(businessPackage, out);
    out.close();
    // Compose the Response (headers, entity body)

    this.responseHeaderUtil.setResponseHeaderFields(response, etag, out, lastModified);

    // Send the Response
    final ServletOutputStream servletOutputStream = response.getOutputStream();
    IOUtils.copy(new ByteArrayInputStream(out.toByteArray()), servletOutputStream);
    servletOutputStream.flush();
    servletOutputStream.close();
}