Example usage for javax.servlet.http HttpServletResponse getOutputStream

Introduction

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

Prototype

public ServletOutputStream getOutputStream() throws IOException;

Source Link

Document

Returns a ServletOutputStream suitable for writing binary data in the response.

Usage

From source file:org.openxdata.server.servlet.FormDownloadServlet.java

private void downloadForms(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String studyId = request.getParameter("studyId");
    if (studyId == null)
        formDownloadService.downloadForms(response.getOutputStream(),
                request.getParameter(OpenXDataConstants.REQUEST_PARAM_FORM_SERIALIZER),
                request.getParameter(OpenXDataConstants.REQUEST_PARAM_LOCALE));
    else/*  w ww. j  a  va2  s .c  o m*/
        formDownloadService.downloadForms(Integer.parseInt(studyId), response.getOutputStream(),
                request.getParameter(OpenXDataConstants.REQUEST_PARAM_FORM_SERIALIZER),
                request.getParameter(OpenXDataConstants.REQUEST_PARAM_LOCALE));
}

From source file:org.psystems.dicom.browser.server.stat.StatClientRequestsChartServlet2.java

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

    response.setContentType("image/png");

    OutputStream outputStream = response.getOutputStream();

    CategoryDataset dataset = createDataset();
    JFreeChart chart = getChart(dataset);
    int width = 800;
    int height = 250;
    ChartUtilities.writeChartAsPNG(outputStream, chart, width, height);

}

From source file:com.gantzgulch.sharing.controller.SharedFileDownloadController.java

@RequestMapping(method = RequestMethod.GET)
public void showUploadForm(@RequestParam(required = true) String id, final HttpServletResponse response,
        final HttpServletRequest request) {

    SharedFile sharedFile = sharedFileManager.findById(id);

    InputStream is = null;//ww w .  j  av  a  2s. c  o  m
    OutputStream os = null;

    try {
        is = sharedFileManager.download(id, userManager.getCurrentUser());
        os = response.getOutputStream();

        response.setHeader("Content-Disposition", "attachment; filename=\"" + sharedFile.getFilename() + "\"");
        response.setHeader("Content-Type", "application/force-download");

        if (sharedFile.getSize() < Integer.MAX_VALUE) {
            response.setContentLength((int) sharedFile.getSize());
        }

        IOUtils.copyLarge(is, os);

        os.flush();
    } catch (IOException ioe) {
        throw new RuntimeException(ioe);
    } finally {
        IOUtils.closeQuietly(is);
    }
}

From source file:de.mpg.imeji.presentation.servlet.ExportServlet.java

/**
 * {@inheritDoc}// w ww.jav  a  2  s  . co m
 */
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    SessionBean session = getSessionBean(req, resp);
    String instanceName = session.getInstanceName();
    User user = session.getUser();
    try {
        ExportManager exportManager = new ExportManager(resp.getOutputStream(), user, req.getParameterMap());
        String exportName = instanceName + "_";
        exportName += new Date().toString().replace(" ", "_").replace(":", "-");
        if (exportManager.getContentType().equalsIgnoreCase("application/xml")) {
            exportName += ".xml";
        }
        if (exportManager.getContentType().equalsIgnoreCase("application/zip")) {
            exportName += ".zip";
        }
        resp.setHeader("Connection", "close");
        resp.setHeader("Content-Type", exportManager.getContentType());
        resp.setHeader("Content-disposition", "filename=" + exportName);
        resp.setStatus(HttpServletResponse.SC_OK);
        SearchResult result = exportManager.search();
        exportManager.export(result);
        resp.getOutputStream().flush();
    } catch (HttpResponseException he) {
        resp.sendError(he.getStatusCode(), he.getMessage());
    } catch (Exception e) {
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
    }
}

From source file:org.energyos.espi.datacustodian.web.api.ReadingTypeRESTController.java

@RequestMapping(value = Routes.ROOT_READING_TYPE_MEMBER, method = RequestMethod.GET, produces = "application/atom+xml")
@ResponseBody/*from   w  ww.j  a  va  2s  . c om*/
public void show(HttpServletResponse response, @PathVariable Long readingTypeId,
        @RequestParam Map<String, String> params) throws IOException, FeedException {

    response.setContentType(MediaType.APPLICATION_ATOM_XML_VALUE);
    exportService.exportReadingType(readingTypeId, response.getOutputStream(), new ExportFilter(params));
}

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

@RequestMapping(value = "/video/{id}/data", method = RequestMethod.GET)
@Streaming//  www .  j a  v a 2 s.co  m
Response getData(@PathVariable("id") long id, HttpServletResponse response) {
    Video v = videos.get(id);
    if (v == null) {
        response.setStatus(404);
        return null;
    }
    try {
        VideoFileManager vfm = VideoFileManager.get();
        vfm.copyVideoData(v, response.getOutputStream());
    } catch (Exception e) {
        e.printStackTrace();
    }

    return null;
}

From source file:io.dacopancm.jfee.managedController.ReportBean.java

public void sendPdf(JasperPrint jasperPrint, String filename) throws JRException, IOException {
    HttpServletResponse httpServletResponse = (HttpServletResponse) FacesContext.getCurrentInstance()
            .getExternalContext().getResponse();
    httpServletResponse.addHeader("Content-disposition", "attachment; filename=" + filename + ".pdf");
    ServletOutputStream servletOutputStream = httpServletResponse.getOutputStream();
    JasperExportManager.exportReportToPdfStream(jasperPrint, servletOutputStream);
    FacesContext.getCurrentInstance().responseComplete();

}

From source file:it.cilea.osd.jdyna.web.controller.AutocompleteUsersView.java

protected void renderMergedOutputModel(Map model, HttpServletRequest httpServletRequest,
        HttpServletResponse response) throws Exception {

    response.setContentType("text/xml");
    response.setHeader("Cache-Control", "no-cache");

    List<DTOAutocomplete> users = (List<DTOAutocomplete>) model.get("result");

    String xml = new AjaxXmlBuilder().addItems(users, "display", "id", true).toString();

    ServletOutputStream out = response.getOutputStream();
    out.print(xml);/*from   w w w  . jav  a  2 s .  com*/
    out.close();

}

From source file:org.fishwife.jrugged.spring.StatusController.java

private void writeOutCurrentStatusInResponseBody(HttpServletResponse resp, Status currentStatus)
        throws IOException {
    resp.setHeader("Content-Type", "text/plain;charset=utf-8");
    String body = currentStatus + "\n";
    byte[] bytes = body.getBytes();
    resp.setHeader("Content-Length", bytes.length + "");
    OutputStream out = resp.getOutputStream();
    out.write(bytes);//from   www . jav a  2  s  .c o  m
    out.flush();
    out.close();
}