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:com.kolich.spring.views.mappers.KolichMappingHTMLView.java

@Override
public void myRenderMergedOutputModel(final KolichViewSerializable payload, final HttpServletRequest request,
        final HttpServletResponse response) throws Exception {
    final ServletOutputStream os = response.getOutputStream();
    // Convert the payload into a JSON response.
    os.write(payload.getEntity().getBytes());
    // Quietly close the output stream.
    IOUtils.closeQuietly(os);/*from  w ww  . j  av a2s .  c om*/
}

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From source file:no.feide.moria.servlet.PictureServlet.java

/**
 * Implements the HttpServlet.doGet method.
 * @param request//from www .  j  a va 2 s. c  o  m
 *            The HTTP request.
 * @param response
 *            The HTTP response.
 * @throws IOException
 * @throws ServletException
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
 *      javax.servlet.http.HttpServletResponse)
 */
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    try {

        int idx = 0;
        String index = request.getParameter("index");
        if (index != null) {
            idx = Integer.parseInt(index);
        }

        // login.feide.no/Picture can be entered as an URL without any further arguments.
        // That will lead to a null pointer exception, caught by the catch-clause below, but 
        // we really should avoid creating such errors. For one, they end up in the log file looking
        // horribly serious, when there is little reason to worry.

        response.setContentType("image/jpeg");
        String[] picture = (String[]) request.getSession().getAttribute(PICTURE_ATTRIBUTE);

        if (picture == null) {
            log.logWarn("PictureServlet called without picture context. Nothing to display");
        } else {
            byte[] decoded = Base64.decodeBase64(picture[idx].getBytes("ISO-8859-1"));

            ServletOutputStream writer = response.getOutputStream();
            writer.write(decoded);
            writer.close();
        }

    } catch (Throwable t) {
        log.logWarn("Picture display failed", t);
    }

}

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From source file:net.sourceforge.fenixedu.presentationTier.Action.externalServices.ISTConnectDA.java

private void writeJSONObject(HttpServletResponse response, final JSONArray jsonObject) throws IOException {
    final ServletOutputStream outputStream = response.getOutputStream();
    outputStream.write(jsonObject.toJSONString().getBytes());
    outputStream.close();/*ww  w.ja  v a 2  s. co m*/
}

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From source file:org.codelibs.fess.helper.OpenSearchHelper.java

public void write(final HttpServletResponse response) {
    if (osddFile == null) {
        throw new FessSystemException("Unsupported OpenSearch response.");
    }//  ww w . j  a v  a 2  s.c o  m

    response.setContentType(contentType + "; charset=" + encoding);
    ServletOutputStream os = null;
    try {
        os = response.getOutputStream();
        os.write(FileUtil.getBytes(osddFile));
    } catch (final IOException e) {
        throw new FessSystemException("Failed to write OpenSearch response.", e);
    } finally {
        IOUtils.closeQuietly(os);
    }

}

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From source file:com.geminimobile.web.DownloadCSVController.java

@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    String msisdn = (String) request.getParameter("msisdn");
    String startTime = (String) request.getParameter("starttime");
    String endTime = (String) request.getParameter("endtime");
    String market = (String) request.getParameter("market");
    String type = (String) request.getParameter("type");

    Date toDate = SearchCommand.m_sdf.parse(endTime);
    //String maxTimestamp = Long.toString(toDate.getTime());

    Date fromDate = SearchCommand.m_sdf.parse(startTime);
    //String minTimestamp = Long.toString(fromDate.getTime());

    CDRDataAccess cdrAccess = new CDRDataAccess();
    Vector<CDREntry> cdrs = cdrAccess.getCDRsByMSISDN(msisdn, fromDate.getTime(), toDate.getTime(), market,
            type, 100000); // 100,000 entries max

    //Vector<CDREntry> cdrs = (Vector<CDREntry>) request.getSession().getAttribute("cdrResults");

    StringBuffer sb = new StringBuffer();

    // Write column headers 
    sb.append("Date/Time,Market,Type,MSISDN,MO IP address,MT IP Address,Sender Domain,Recipient Domain\n");

    for (CDREntry entry : cdrs) {
        sb.append(entry.getDisplayTimestamp() + "," + entry.getMarket() + "," + entry.getType() + ","
                + entry.getMsisdn() + "," + entry.getMoIPAddress() + "," + entry.getMtIPAddress() + ","
                + entry.getSenderDomain() + "," + entry.getRecipientDomain() + "\n");
    }/*from  www  . ja  va2  s  .  com*/

    String csvString = sb.toString();

    response.setBufferSize(sb.length());
    response.setContentLength(sb.length());

    response.setContentType("text/plain; charset=UTF-8");
    //response.setContentType( "text/csv" );
    //response.setContentType("application/ms-excel");
    //response.setHeader("Content-disposition", "attachment;filename=cdrResults.csv");
    response.setHeader("Content-Disposition", "attachment; filename=" + "cdrResults.csv" + ";");
    ServletOutputStream os = response.getOutputStream();

    os.write(csvString.getBytes());

    os.flush();
    os.close();

    return null;
}

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From source file:com.dreamwork.web.FrontJsonController.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html; charset=UTF-8");
    ServletOutputStream out = response.getOutputStream();

    String message = "Not supported";

    out.write(message.getBytes("UTF-8"));
    out.flush();//from w w  w  . j a v  a 2  s  . com

}

---

From source file:ostepu.cconfig.help.java

/**
 * der Aufruf des help-Befehls//from   ww  w  .  j  ava  2 s  .  c o m
 *
 * @param context  der Kontext des Servlet
 * @param request  die eingehende Anfrage
 * @param response das Antwortobjekt
 */
public static void request(ServletContext context, HttpServletRequest request, HttpServletResponse response) {
    String pathInfo = request.getPathInfo();

    if (pathInfo == null) {
        try {
            response.sendError(404);
        } catch (IOException ex) {
            Logger.getLogger(help.class.getName()).log(Level.SEVERE, null, ex);
            response.setStatus(500);
        }
        return;
    }

    if (!"GET".equals(request.getMethod())) {
        try {
            response.sendError(404);
        } catch (IOException ex) {
            Logger.getLogger(help.class.getName()).log(Level.SEVERE, null, ex);
            response.setStatus(500);
        }
        return;
    }

    ServletOutputStream out;
    try {
        out = response.getOutputStream();
    } catch (IOException ex) {
        Logger.getLogger(help.class.getName()).log(Level.SEVERE, null, ex);
        response.setStatus(500);
        return;
    }

    String[] helpPath = pathInfo.split("/");
    String extension = FilenameUtils.getExtension(pathInfo);
    String language = helpPath[1];
    helpPath[helpPath.length - 1] = helpPath[helpPath.length - 1].substring(0,
            helpPath[helpPath.length - 1].length() - extension.length() - 1);
    helpPath = Arrays.copyOfRange(helpPath, 2, helpPath.length);

    Path helpFile = Paths.get(
            context.getRealPath("/data/help/" + String.join("_", helpPath) + "_" + language + "." + extension));

    try {
        if (Files.exists(helpFile)) {
            InputStream inp = new FileInputStream(helpFile.toFile());
            byte[] res = IOUtils.toByteArray(inp);
            inp.close();
            out.write(res);
            response.setStatus(200);
            response.setHeader("Content-Type", "charset=utf-8");
        } else {
            response.sendError(404);
        }
    } catch (IOException ex) {
        Logger.getLogger(help.class.getName()).log(Level.SEVERE, null, ex);
        response.setStatus(500);
    } finally {
        try {
            out.close();
        } catch (IOException ex) {
            Logger.getLogger(help.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

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From source file:com.octo.captcha.module.struts.image.RenderImageCaptchaAction.java

public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm,
        HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {

    ImageCaptchaService service = (ImageCaptchaService) CaptchaServicePlugin.getInstance().getService();
    String captchaID = CaptchaModuleConfigHelper.getId(httpServletRequest);
    //(String) theRequest.getParameter(captchaIDParameterName);

    // call the ManageableImageCaptchaService methods
    byte[] captchaChallengeAsJpeg = null;
    ByteArrayOutputStream jpegOutputStream = new ByteArrayOutputStream();
    try {//w w  w  .ja  va2 s.co m
        BufferedImage challenge = service.getImageChallengeForID(captchaID, httpServletRequest.getLocale());
        // the output stream to render the captcha image as jpeg into

        // a jpeg encoder
        JPEGImageEncoder jpegEncoder = JPEGCodec.createJPEGEncoder(jpegOutputStream);
        jpegEncoder.encode(challenge);
    } catch (IllegalArgumentException e) {
        // log a security warning and return a 404...
        if (log.isWarnEnabled()) {
            log.warn("There was a try from " + httpServletRequest.getRemoteAddr()
                    + " to render an URL without ID" + " or with a too long one");
            httpServletResponse.sendError(HttpServletResponse.SC_NOT_FOUND);
            log.error("should never pass here!");
            return actionMapping.findForward("error");
        }
    } catch (CaptchaServiceException e) {
        // log and return a 404 instead of an image...
        log.warn("Error trying to generate a captcha and " + "render its challenge as JPEG", e);
        httpServletResponse.sendError(HttpServletResponse.SC_NOT_FOUND);
        // log.error("should never pass here!");
        return actionMapping.findForward("error");
    }

    captchaChallengeAsJpeg = jpegOutputStream.toByteArray();

    // render the captcha challenge as a JPEG image in the response
    httpServletResponse.setHeader("Cache-Control", "no-store");
    httpServletResponse.setHeader("Pragma", "no-cache");
    httpServletResponse.setDateHeader("Expires", 0);
    httpServletResponse.setContentType("image/jpeg");
    ServletOutputStream responseOutputStream = httpServletResponse.getOutputStream();
    responseOutputStream.write(captchaChallengeAsJpeg);
    responseOutputStream.flush();
    responseOutputStream.close();
    // log.error("should never pass here!");
    return null;
}

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From source file:mx.com.quadrum.contratos.controller.busquedas.MuestraPdf.java

@RequestMapping(value = "muestraPdf/{idContrato}", method = RequestMethod.GET)
public void muestraPdf(@PathVariable("idContrato") Integer idContrato, HttpSession session,
        HttpServletRequest request, HttpServletResponse response) {
    if (session.getAttribute(USUARIO) == null && session.getAttribute(CLIENTE) == null) {
        return;//from  w ww.  j av a  2 s  .co m
    }
    Contrato contrato = contratoService.buscarPorId(idContrato);

    Usuario usuario = (Usuario) session.getAttribute(USUARIO);
    response.setContentType("application/pdf");

    response.setHeader("Cache-Control", "no-cache");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
    File pdf = new File(
            USUARIOS + usuario.getMail() + "\\" + contrato.getNombre() + "\\" + contrato.getNombre() + ".pdf");
    try {
        InputStream in = new FileInputStream(pdf);
        byte[] data = new byte[in.available()];
        in.read(data);
        javax.servlet.ServletOutputStream servletoutputstream = response.getOutputStream();

        servletoutputstream.write(data);
        servletoutputstream.flush();
        servletoutputstream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

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From source file:unUtils.WikittyPublicationServlet.java

protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    Object result;//  w  ww .  jav  a 2 s  . c  om
    WikittyPublicationContext context = new WikittyPublicationContext(appConfig);
    try {
        context.parse(req, resp);

        if ("true".equals(context.getArguments().get("debug"))) {
            // debug asked, not do action, but show context
            result = context.toString();
            context.setContentType("text/plain");
        } else {
            WikittyPublicationAction action = context.getAction();
            result = action.doAction(context);
        }
    } catch (Throwable eee) {
        WikittyPublicationAction action = new ActionError(eee);
        result = action.doAction(context);
    }

    String contentType = context.getContentType();
    if (contentType != null && contentType.startsWith("forward")) {
        req.getRequestDispatcher(String.valueOf(result)).forward(req, resp);
    } else {
        if (contentType != null) {
            resp.setContentType(contentType);
        }
        if (result instanceof byte[]) {
            ServletOutputStream out = resp.getOutputStream();
            out.write((byte[]) result);
            out.flush();
        } else {
            PrintWriter out = resp.getWriter();
            out.write(String.valueOf(result));
            out.flush();
        }
    }
}

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