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.haulmont.restapi.controllers.FileDownloadController.java

protected void downloadFromMiddlewareAndWriteResponse(FileDescriptor fd, HttpServletResponse response)
        throws IOException {
    ServletOutputStream os = response.getOutputStream();
    try (InputStream is = fileLoader.openStream(fd)) {
        IOUtils.copy(is, os);//from ww  w  .  j  av a2  s  .  co m
        os.flush();
    } catch (FileStorageException e) {
        throw new RestAPIException("Unable to download file from FileStorage",
                "Unable to download file from FileStorage: " + fd.getId(), HttpStatus.INTERNAL_SERVER_ERROR);
    }
}

From source file:eionet.cr.web.action.ExportTriplesActionBean.java

@DefaultHandler
public Resolution defaultHandler() {

    if (StringUtils.isBlank(uri)) {

        if (Util.isWebBrowser(getContext().getRequest())) {
            getContext().getRequest().setAttribute(StripesExceptionHandler.EXCEPTION_ATTR,
                    new CRException("Graph URI not specified in the request!"));
            return new ForwardResolution(StripesExceptionHandler.ERROR_PAGE);
        } else {/*from  w  w  w  .j av a2s. c o m*/
            return new ErrorResolution(HttpServletResponse.SC_NOT_FOUND);
        }
    }

    return (new StreamingResolution("application/rdf+xml") {

        public void stream(HttpServletResponse response) throws Exception {
            RDFGenerator.generate(uri, response.getOutputStream());
        }
    });
}

From source file:com.crunchify.jsp.servlet.BarServlet.java

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
    response.setContentType("image/png");
    OutputStream outputStream = response.getOutputStream();
    JFreeChart chart = getChart();/*  ww w .j av a2 s. c  om*/
    int width = 500;
    int height = 350;
    ChartUtilities.writeChartAsPNG(outputStream, chart, width, height);

}

From source file:Hello.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    String acceptLanguage = req.getHeader("Accept-Language");
    String acceptCharset = req.getHeader("Accept-Charset");

    res.getOutputStream().println("acceptLanguage: " + acceptLanguage);
    res.getOutputStream().println("acceptCharset" + acceptCharset);
}

From source file:com.aurel.track.exchange.latex.exporter.LaTeXExportBL.java

/**
 * Serializes the docx content into the response's output stream
 * @param response//from w w w  . ja  va 2  s .  c om
 * @param wordMLPackage
 * @return
 */
public static String prepareReportResponse(HttpServletResponse response, TWorkItemBean workItem,
        ReportBeans reportBeans, TPersonBean user, Locale locale, String templateDir, String templateFile) {
    ReportBeansToLaTeXConverter rl = new ReportBeansToLaTeXConverter();
    File pdf = rl.generatePdf(workItem, reportBeans.getItems(), true, locale, user, "", "", false,
            new File(templateFile), new File(templateDir));
    String fileName = workItem.getSynopsis() + ".pdf";
    String contentType = "application/pdf";
    if (pdf.length() < 10) {
        pdf = new File(pdf.getParent() + "/errors.txt");
        fileName = workItem.getSynopsis() + ".txt";
        contentType = "text";
    }
    OutputStream outputStream = null;
    try {
        response.reset();
        response.setHeader("Content-Type", contentType);
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
        DownloadUtil.prepareCacheControlHeader(ServletActionContext.getRequest(), response);
        outputStream = response.getOutputStream();
        InputStream is = new FileInputStream(pdf);
        IOUtils.copy(is, outputStream);
        is.close();
    } catch (FileNotFoundException e) {
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    } catch (IOException e) {
        LOGGER.error("Getting the output stream failed with " + e.getMessage());
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    } catch (Exception e) {
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    }

    //            Docx4J.save(wordMLPackage, outputStream, Docx4J.FLAG_NONE);
    //            //wordMLPackage.save(outputStream);
    //            /*SaveToZipFile saver = new SaveToZipFile(wordMLPackage);
    //         saver.save(outputStream);*/
    //         } catch (Exception e) {
    //            LOGGER.error("Exporting the docx failed with throwable " + e.getMessage());
    //            LOGGER.debug(ExceptionUtils.getStackTrace(e));
    //         }
    return null;
}

From source file:com.zilverline.MockHandler.java

@Override
public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    invariant();/*  w  w w .  j a v a2s  .co m*/
    ServletOutputStream outputStream = response.getOutputStream();
    IOUtils.copy(responseResource.getInputStream(), outputStream);
    outputStream.flush();
}

From source file:org.openmrs.module.odkconnector.web.controller.serializer.DownloadCohortController.java

@RequestMapping(method = RequestMethod.POST)
public void process(final HttpServletRequest request, final HttpServletResponse response) throws Exception {
    Processor processor = new HttpProcessor(HttpProcessor.PROCESS_COHORT);
    processor.process(request.getInputStream(), response.getOutputStream());
}

From source file:eionet.cr.web.action.ExportTriplesActionBean.java

/**
 * Action event that exports properties of the given uri.
 *
 * @return rdf result./*from  w  ww  .j a v  a2  s.  co  m*/
 */
public Resolution exportProperties() {

    if (StringUtils.isBlank(uri)) {

        if (Util.isWebBrowser(getContext().getRequest())) {
            getContext().getRequest().setAttribute(StripesExceptionHandler.EXCEPTION_ATTR,
                    new CRException("Graph URI not specified in the request!"));
            return new ForwardResolution(StripesExceptionHandler.ERROR_PAGE);
        } else {
            return new ErrorResolution(HttpServletResponse.SC_NOT_FOUND);
        }
    }

    return (new StreamingResolution("application/rdf+xml") {

        public void stream(HttpServletResponse response) throws Exception {
            RDFGenerator.generateProperties(uri, response.getOutputStream());
        }
    });
}

From source file:org.openmrs.module.odkconnector.web.controller.serializer.DownloadPatientsController.java

@RequestMapping(method = RequestMethod.POST)
public void process(final HttpServletRequest request, final HttpServletResponse response) throws Exception {
    Processor processor = new HttpProcessor(HttpProcessor.PROCESS_PATIENTS);
    processor.process(request.getInputStream(), response.getOutputStream());
}

From source file:Controlador.ChartServlet.java

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
    response.setContentType("image/png");
    OutputStream outputStream = response.getOutputStream();
    JFreeChart chart = null;//from   w w  w.  j a  v  a 2s .c  om

    try {
        chart = getChart();
    } catch (URISyntaxException ex) {
        Logger.getLogger(ChartServlet.class.getName()).log(Level.SEVERE, null, ex);
    }
    int width = 500;
    int height = 350;
    ChartUtilities.writeChartAsPNG(outputStream, chart, width, height);

}