Example usage for javax.servlet ServletOutputStream write

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:be.fedict.eid.applet.service.KmlServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    LOG.debug("doGet");

    HttpSession httpSession = request.getSession();
    EIdData eIdData = (EIdData) httpSession.getAttribute("eid");

    byte[] document;
    try {//from w  w w  .  j  a  va  2s  .c  o m
        document = this.kmlGenerator.generateKml(eIdData);
    } catch (IOException e) {
        throw new ServletException("KML generator error: " + e.getMessage(), e);
    }

    response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate, max-age=-1"); // http 1.1
    if (false == request.getScheme().equals("https")) {
        // else the download fails in IE
        response.setHeader("Pragma", "no-cache"); // http 1.0
    } else {
        response.setHeader("Pragma", "public");
    }
    response.setDateHeader("Expires", -1);
    response.setHeader("Content-disposition", "attachment");
    response.setContentLength(document.length);

    response.setContentType(KmlLight.MIME_TYPE);
    response.setContentLength(document.length);
    ServletOutputStream out = response.getOutputStream();
    out.write(document);
    out.flush();
}

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From source file:ru.ksu.niimm.cll.mocassin.frontend.server.PdfDownloadServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException {
    String requestURI = req.getRequestURI();
    logger.info("The requested URI: {}", requestURI);
    String parameter = requestURI.substring(requestURI.lastIndexOf(ARXIVID_ENTRY) + ARXIVID_ENTRY_LENGTH);
    int signIndex = parameter.indexOf(StringUtil.ARXIVID_SEGMENTID_DELIMITER);
    String arxivId = signIndex != -1 ? parameter.substring(0, signIndex) : parameter;
    String segmentId = signIndex != -1 ? parameter.substring(signIndex + 1) : null;

    if (arxivId == null) {
        logger.error("The request with an empty arxiv id parameter");
        return;//from  w ww.  ja  v  a  2s .c o  m
    }
    String filePath = segmentId == null
            ? format("/opt/mocassin/aux-pdf/%s", StringUtil.arxivid2filename(arxivId, "pdf"))
            : "/opt/mocassin/pdf/" + StringUtil.segmentid2filename(arxivId, Integer.parseInt(segmentId), "pdf");
    if (!new File(filePath).exists()) {
        filePath = format("/opt/mocassin/aux-pdf/%s", StringUtil.arxivid2filename(arxivId, "pdf"));
    }
    try {
        FileInputStream fileInputStream = new FileInputStream(filePath);

        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        IOUtils.copy(fileInputStream, byteArrayOutputStream);
        resp.setContentType("application/pdf");
        resp.setHeader("Content-disposition",
                String.format("attachment; filename=%s", StringUtil.arxivid2filename(arxivId, "pdf")));
        ServletOutputStream outputStream = resp.getOutputStream();
        outputStream.write(byteArrayOutputStream.toByteArray());
        outputStream.close();
    } catch (FileNotFoundException e) {
        logger.error("Error while downloading: PDF file= '{}' not found", filePath);
    } catch (IOException e) {
        logger.error("Error while downloading the PDF file", e);
    }
}

---

From source file:com.octo.captcha.module.acegi.JCaptchaSoundController.java

public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse response)
        throws Exception {
    byte[] captchaChallengeAsWav = null;

    ByteArrayOutputStream wavOutputStream = new ByteArrayOutputStream();

    //get the session id that will identify the generated captcha.
    //the same id must be used to validate the response, the session id is a good candidate!
    String captchaId = httpServletRequest.getSession().getId();

    AudioInputStream challenge = soundCaptchaService.getSoundChallengeForID(captchaId,
            httpServletRequest.getLocale());

    // a jpeg encoder
    AudioInputStream stream = (AudioInputStream) challenge;

    // call the ImageCaptchaService method to retrieve a captcha
    AudioSystem.write(stream, AudioFileFormat.Type.WAVE, wavOutputStream);

    captchaChallengeAsWav = wavOutputStream.toByteArray();

    // configure cache  directives
    response.setHeader("Cache-Control", "no-store");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
    //flush content in the response
    response.setContentType("audio/x-wav");
    ServletOutputStream responseOutputStream = response.getOutputStream();
    responseOutputStream.write(captchaChallengeAsWav);
    responseOutputStream.flush();//from www  . j ava  2s  .c  om
    responseOutputStream.close();
    return null;
}

---

From source file:de.fau.amos4.web.PrintDataController.java

@RequestMapping("/employee/download/text")
public ModelAndView EmployeeDownloadText(HttpServletResponse response,
        @RequestParam(value = "id", required = true) long employeeId) throws IOException {
    // Use the service to get the Employee in the LODAS format
    final String employeeAsLodas = employeeService.getLodasRepresentation(employeeId);

    if (employeeAsLodas == null) {
        return new ModelAndView("redirect:/client/dashboard");
    }/* www .  j a  v  a2  s  . co m*/

    // We want to have a txt file download
    response.setContentType("text/plain");
    response.setHeader("Content-Disposition", "attachment;filename=employee_as_lodas.txt");
    response.setCharacterEncoding("UTF-8");

    // Write the data out
    ServletOutputStream out = response.getOutputStream();
    out.write(employeeAsLodas.getBytes());
    out.flush();
    out.close();
    return null;
}

---

From source file:de.knurt.fam.template.controller.letter.LetterGeneratorShowLetter.java

private void processIntern(HttpServletResponse response, PostMethod post, String customid) {
    //  forward response got
    //  force "save as" in browser
    String downloadFilename = this.df.format(new Date()) + "-" + customid + ".pdf";
    response.setHeader("Content-Disposition", "attachment; filename=" + downloadFilename);
    //  it is a pdf
    response.setContentType("application/pdf");
    try {//from w w  w . j  a  va 2s.  c om
        ServletOutputStream ouputStream = response.getOutputStream();
        ouputStream.write(post.getResponseBody());
        ouputStream.flush();
        ouputStream.close();
    } catch (IOException e) {
        FamLog.exception(e, 201106131408l);
    }
}

---

From source file:org.teiid.olingo.web.gzip.TestGzipMessageResponse.java

@Test
public void testWriteToOutputStream() throws Exception {
    ServletOutputStream sos = response.getOutputStream();
    sos.write(TEST_STRING.getBytes());
    sos.close();//w  w  w  . j a va2s.  com
    Assert.assertArrayEquals("Expected output in GZIP.", TEST_STRING_IN_GZIP,
            ArrayUtils.toPrimitive(streamBytes.toArray(new Byte[streamBytes.size()])));
}

---

From source file:ca.uhn.fhir.rest.server.servlet.ServletRestfulResponse.java

@Override
public Object sendAttachmentResponse(IBaseBinary bin, int stausCode, String contentType) throws IOException {
    addHeaders();//from w  ww  .  ja va2  s .  c  om
    HttpServletResponse theHttpResponse = getRequestDetails().getServletResponse();
    theHttpResponse.setStatus(stausCode);
    theHttpResponse.setContentType(contentType);
    if (bin.getContent() == null || bin.getContent().length == 0) {
        return null;
    } else {
        theHttpResponse.setContentLength(bin.getContent().length);
        ServletOutputStream oos = theHttpResponse.getOutputStream();
        oos.write(bin.getContent());
        oos.close();
        return null;
    }
}

---

From source file:com.google.appinventor.server.WebAppLaunchServlet.java

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

    String userId = userInfoProvider.getUserId();
    String launchFile;/*from w w w.  j  a  v a  2 s  .c o  m*/

    try {
        String uri = req.getRequestURI();
        // First, call split with no limit parameter.
        String[] uriComponents = uri.split("/");
        String launchKind = uriComponents[REQUEST_INDEX];

        if (launchKind.equals(ServerLayout.WEBAPP_FILE)) {
            uriComponents = uri.split("/", SPLIT_LIMIT_FILE);
            if (FILE_PATH_INDEX > uriComponents.length) {
                throw CrashReport.createAndLogError(LOG, req, null,
                        new IllegalArgumentException("Missing web app file path."));
            }
            String fileName = uriComponents[FILE_PATH_INDEX];
            launchFile = storageIo.downloadUserFile(userId, fileName, "UTF-8");

        } else {
            throw CrashReport.createAndLogError(LOG, req, null,
                    new IllegalArgumentException("Unknown launch kind: " + launchKind));
        }

    } catch (IllegalArgumentException e) {
        throw CrashReport.createAndLogError(LOG, req, null, e);
    }

    byte[] content = launchFile.getBytes();
    // Set http response information
    resp.setStatus(HttpServletResponse.SC_OK);
    resp.setContentType("text/html");
    resp.setContentLength(launchFile.length());

    // Attach download data
    ServletOutputStream out = resp.getOutputStream();
    out.write(content);
    out.close();
}

---

From source file:com.tapas.evidence.fe.controller.CaptchaController.java

@RequestMapping("/captcha.jpg")
public void showForm(HttpServletRequest request, HttpServletResponse response) throws Exception {
    byte[] captchaChallengeAsJpeg = null;
    // the output stream to render the captcha image as jpeg into
    ByteArrayOutputStream jpegOutputStream = new ByteArrayOutputStream();
    try {/*from   w w  w .  j av a  2  s  . c o m*/
        // get the session id that will identify the generated captcha.
        // the same id must be used to validate the response, the session id is a good candidate!

        String captchaId = request.getSession().getId();
        BufferedImage challenge = captchaService.getImageChallengeForID(captchaId, request.getLocale());

        ImageIO.write(challenge, CAPTCHA_IMAGE_FORMAT, jpegOutputStream);
    } catch (IllegalArgumentException e) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;
    } catch (CaptchaServiceException e) {
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        return;
    }

    captchaChallengeAsJpeg = jpegOutputStream.toByteArray();

    // flush it in the response
    response.setHeader("Cache-Control", "no-store");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
    response.setContentType("image/" + CAPTCHA_IMAGE_FORMAT);

    ServletOutputStream responseOutputStream = response.getOutputStream();
    responseOutputStream.write(captchaChallengeAsJpeg);
    responseOutputStream.flush();
    responseOutputStream.close();
}

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From source file:org.fenixedu.parking.ui.Action.externalServices.ExportParkingData.java

@Override
public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
        HttpServletResponse response) throws Exception {

    final String password = request.getParameter("password");
    final String username = request.getParameter("username");
    checkPermissions(username, password);

    ParkingDataReportFile parkingDataReportFile = getLastParkingDataReportJob();
    if (parkingDataReportFile != null && parkingDataReportFile.getFile() != null) {
        final byte[] data = parkingDataReportFile.getFile().getContent();
        response.setContentLength(data.length);
        response.setContentType("application/vnd.ms-access");
        response.setHeader("Content-disposition",
                "attachment; filename=" + parkingDataReportFile.getFilename());
        final ServletOutputStream outputStream = response.getOutputStream();
        outputStream.write(data);
        outputStream.flush();/*from  w  w  w  .j  av  a2  s .  c o m*/
        outputStream.close();
    }
    return null;
}

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