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:com.vigglet.oei.vehicle.GetVehiclePdfServlet.java

@Override
protected void downloadPdf(HttpServletRequest req, HttpServletResponse resp, User user, final int modelId)
        throws Exception {
    File file = new ServicereportPdf(VehicleUtil.getInstance().findById(modelId), user).createServiceReport();
    resp.setContentLength((int) file.length());

    FileInputStream fis = new FileInputStream(file);
    IOUtils.copy(fis, resp.getOutputStream());
    IOUtils.closeQuietly(fis);/*from   www  .  java2s  .  c  o m*/
}

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From source file:com.ibm.BestSellerServlet.java

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
 *//*from w w w . j a  va  2  s .  c o  m*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // TODO Auto-generated method stub
    response.setContentType("text/json");
    response.setCharacterEncoding("UTF-8");

    OutputStream stream = response.getOutputStream();
    OutputStreamWriter writer = new OutputStreamWriter(stream, "UTF-8");

    String listName = request.getParameter("list");
    String date = request.getParameter("date");

    logger.debug("Requested list {} and requested date {}", listName, date);

    NewYorkTimes times = new NewYorkTimes(listName, date);

    try {
        BestSellerList bestSellers = times.getList();
        ObjectMapper mapper = new ObjectMapper();

        String listContents = mapper.writeValueAsString(bestSellers.getBooks());
        logger.debug("Booklist is {}", listContents);
        writer.write(listContents);
        writer.flush();
        writer.close();
    } catch (Exception e) {
        logger.error("New York times list unavailable");
        throw new IOException("Could not get book list from ny times");
    }

}

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From source file:controllers.BaseParamController.java

@RequestMapping("/getXls")
public void getXls(Map<String, Object> model, HttpServletResponse response) throws Exception {
    response.setContentType("application/octet-stream");
    response.setHeader("Content-Disposition", "attachment; filename=BaseParamMap.xls");
    baseParamService.getXls().write(response.getOutputStream());
}

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

@RequestMapping(value = VideoSvcApi.VIDEO_DATA_PATH, method = RequestMethod.GET)
public @ResponseBody void getVideoData(@PathVariable(VideoSvcApi.ID_PARAMETER) long id,
        HttpServletResponse response) throws IOException {
    if (!videos.containsKey(id)) {
        response.setStatus(HttpStatus.NOT_FOUND.value());
    } else {//  w  w w.j av a2  s . c  om

        Video v = videos.get(id);
        videoDataMgr.copyVideoData(v, response.getOutputStream());
    }
}

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From source file:com.formkiq.web.config.TestDataController.java

/**
 * Provider Sample generic XML data with text/xml content type.
 * @param request {@link HttpServletRequest}
 * @param response {@link HttpServletResponse}
 * @throws IOException IOException/*from   w  ww .ja  va2 s .c om*/
 */
@RequestMapping(value = "/testdata/sample-generic2.xml", method = RequestMethod.GET)
public void sampleGeneric2(final HttpServletRequest request, final HttpServletResponse response)
        throws IOException {

    byte[] data = Resources.getResourceAsBytes("/testdata/sample-generic.xml");

    response.setContentType("application/xml");
    response.setContentLengthLong(data.length);
    IOUtils.write(data, response.getOutputStream());
}

---

From source file:com.gae.ImageServlet.java

@SuppressWarnings("unchecked")
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    MemoryFileItemFactory factory = new MemoryFileItemFactory();
    ServletFileUpload upload = new ServletFileUpload(factory);
    //resp.setContentType("image/png");
    ServletOutputStream out = resp.getOutputStream();
    try {/*www . ja  v  a 2 s  . c om*/
        List<FileItem> list = upload.parseRequest(req);
        for (FileItem item : list) {
            if (!(item.isFormField())) {
                String fileName = item.getName();

                //Map<String, BlobKey> blobs = blobstoreService.getUploadedBlobs(req);
                //BlobKey blobKey = blobs.get("myFile");                 

                if (fileName != null && !"".equals(fileName)) {
                    int size = (int) item.getSize();
                    byte[] data = new byte[size];
                    InputStream in = item.getInputStream();
                    in.read(data);
                    //ImagesService imagesService = ImagesServiceFactory.getImagesService(); 

                    /*
                    Image oldImage = ImagesServiceFactory.makeImage(data); 
                    Transform resize = ImagesServiceFactory.makeResize(180, 150); 
                    Image newImage = imagesService.applyTransform(resize, oldImage, OutputEncoding.PNG); 
                    byte[] newImageData = newImage.getImageData();
                    out.write(newImageData);
                    */
                    /*
                    Image image = ImagesServiceFactory.makeImage(data); 
                    byte[] ImageData = image.getImageData();
                    */
                    out.flush();
                }
            }
        }
    } catch (FileUploadException e) {
        e.printStackTrace();
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

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From source file:org.psystems.dicom.browser.server.stat.StatClientRequestsChartServlet.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 = 400;
    int height = 250;
    ChartUtilities.writeChartAsPNG(outputStream, chart, width, height);

}

---

From source file:com.gsr.myschool.server.reporting.convocation.ConvocationController.java

@RequestMapping(method = RequestMethod.GET, produces = "application/pdf")
@ResponseStatus(HttpStatus.OK)/*from   ww w .j  av  a  2  s.  c om*/
public void generateConvocation(@RequestParam String number, HttpServletResponse response) {
    ReportDTO dto = convocationService.generateConvocation(number);
    try {
        response.addHeader("Content-Disposition", "attachment; filename=" + dto.getFileName());

        BufferedOutputStream outputStream = new BufferedOutputStream(response.getOutputStream());
        byte[] result = reportService.generatePdf(dto);

        outputStream.write(result, 0, result.length);
        outputStream.flush();
        outputStream.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:net.sf.appstatus.web.pages.StatusPage.java

public void doGetJSON(StatusWebHandler webHandler, HttpServletRequest req, HttpServletResponse resp)
        throws UnsupportedEncodingException, IOException {

    setup(resp, "application/json");

    ServletOutputStream os = resp.getOutputStream();
    int statusCode = 200;
    List<ICheckResult> results = webHandler.getAppStatus().checkAll(req.getLocale());
    for (ICheckResult r : results) {
        if (r.isFatal()) {
            resp.setStatus(500);//from  w w w.j  av a 2s. c  o  m
            statusCode = 500;
            break;
        }
    }

    os.write("{".getBytes(ENCODING));

    os.write(("\"code\" : " + statusCode + ",").getBytes(ENCODING));
    os.write(("\"status\" : {").getBytes(ENCODING));

    boolean first = true;
    for (ICheckResult r : results) {
        if (!first) {
            os.write((",").getBytes(ENCODING));
        }

        os.write(("\"" + r.getProbeName() + "\" : " + r.getCode()).getBytes(ENCODING));

        if (first) {
            first = false;
        }
    }

    os.write("}".getBytes(ENCODING));
    os.write("}".getBytes(ENCODING));

}

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

@RequestMapping(value = Routes.ROOT_READING_TYPE_COLLECTION, method = RequestMethod.GET, produces = "application/atom+xml")
@ResponseBody//from w  ww .  j a  v a  2  s. c  o m
public void index(HttpServletResponse response, @RequestParam Map<String, String> params)
        throws IOException, FeedException {

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

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