Example usage for javax.servlet.http HttpServletResponse getOutputStream

List of usage examples for javax.servlet.http HttpServletResponse getOutputStream

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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.vh.ds.iam.web.front.jxl.AbstractJxlView.java

/**
 * Renders the Excel view, given the specified model.
 *///from   w  w w .  ja v a 2 s .co  m
@Override
protected final void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {

    // Set the content type and get the output stream.
    response.setContentType(getContentType());
    OutputStream out = response.getOutputStream();

    WorkbookSettings ws = new WorkbookSettings();
    ws.setEncoding("Cp1252");

    WritableWorkbook workbook;
    if (this.url != null) {
        Workbook template = getTemplateSource(this.url, request);
        workbook = Workbook.createWorkbook(out, template, ws);
    } else {
        LOGGER.debug("Creating Excel Workbook from scratch");
        workbook = Workbook.createWorkbook(out, ws);
    }

    buildExcelDocument(model, workbook, request, response);

    workbook.write();
    out.flush();
    workbook.close();
}

From source file:dijalmasilva.controllers.ControladorUser.java

@RequestMapping("/image/{id}")
public void carregaImagem(@PathVariable Long id, HttpServletResponse resp) {
    ServletOutputStream out = null;//from  www. j  a  v a2 s .  co m
    try {
        Usuario usuario = serviceUser.findById(id);
        out = resp.getOutputStream();
        out.write(usuario.getFoto());
        out.flush();
    } catch (IOException ex) {
        ex.printStackTrace();
    } finally {
        try {
            out.close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}

From source file:com.cubusmail.server.services.CubusmailServlet.java

@Override
public void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    String fileName = request.getSession().getServletContext().getRealPath(request.getServletPath());
    BufferedReader reader = new BufferedReader(new FileReader(fileName));

    OutputStream outputStream = response.getOutputStream();
    OutputStreamWriter writer = new OutputStreamWriter(outputStream);
    char[] inBuf = new char[1024];
    int len = 0;// ww w . ja  v a  2  s.c  om
    try {
        while ((len = reader.read(inBuf)) > 0) {
            writer.write(inBuf, 0, len);
        }
    } catch (Throwable e) {
        log.error(e.getMessage(), e);
    }

    writer.flush();
    writer.close();
    outputStream.flush();
    outputStream.close();
}

From source file:com.liferay.arquillian.DeployerServlet.java

private void signalError(Throwable t, HttpServletResponse response) {
    response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);

    try {// w  w w . jav a2s.  co m
        ServletOutputStream outputStream = response.getOutputStream();

        response.setContentType(StringPool.UTF8);

        PrintWriter printWriter = new PrintWriter(outputStream);

        t.printStackTrace(printWriter);

        printWriter.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.silverpeas.silvercrawler.servlets.SilverCrawlerFileServer.java

private void displayWarningHtmlCode(HttpServletResponse res) throws IOException {
    ResourceLocator resourceLocator = new ResourceLocator(
            "com.stratelia.webactiv.util.peasUtil.multiLang.fileServerBundle", "");

    OutputStream out = res.getOutputStream();
    StringReader sr = new StringReader(resourceLocator.getString("warning"));
    try {/*from ww w.  j  a  v a2  s .co m*/
        IOUtils.copy(sr, out);
        out.flush();
    } catch (IOException e) {
        SilverTrace.warn("silverCrawler", "FileServer.displayWarningHtmlCode", "root.EX_CANT_READ_FILE",
                "warning properties");
    } finally {
        IOUtils.closeQuietly(sr);
        IOUtils.closeQuietly(out);
    }
}

From source file:com.carolinarollergirls.scoreboard.jetty.XmlScoreBoardServlet.java

protected void getAll(HttpServletRequest request, HttpServletResponse response)
        throws IOException, JDOMException {
    response.setContentType("text/xml");
    prettyXmlOutputter.output(scoreBoardModel.getXmlScoreBoard().getDocument(), response.getOutputStream());
    response.setStatus(HttpServletResponse.SC_OK);
}

From source file:com.gu.management.switching.SwitchboardServlet.java

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

    response.setContentType("text/html");

    String switchToShow = request.getParameter("switch");

    OutputStreamWriter fileWriter = new OutputStreamWriter(response.getOutputStream());

    fileWriter.write(MANAGEMENT_PAGE_HEAD);

    for (Switchable switchable : switches) {

        if (StringUtils.isEmpty(switchToShow) || switchToShow.equals(switchable.getWordForUrl())) {
            fileWriter.write(String.format(SWITCH_TABLE_ROW, switchable.getWordForUrl(),
                    switchable.getDescription(), getButtonsFor(switchable)));
        }//  ww w. ja v a  2  s . c o  m
    }

    fileWriter.write(MANAGEMENT_PAGE_FOOT);

    fileWriter.flush();
}

From source file:com.impala.paga.all.RouteRemit1.java

/**
 * /* ww w . ja  v a 2 s  .  c o m*/
 * @param request
 * @param response
 * @throws ServletException
 *             , IOException
 */
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    OutputStream out = response.getOutputStream();

    response.setContentType("text/plain;charset=UTF-8");
    response.setDateHeader("Expires", new Date().getTime()); // Expiration
    // date
    response.setDateHeader("Date", new Date().getTime()); // Date and time
    try {
        // that the
        // message was
        // sent
        out.write(moneytransfer(request).getBytes());
    } catch (JSONException ex) {
        Logger.getLogger(RouteRemit1.class.getName()).log(Level.SEVERE, null, ex);
    } catch (NoSuchAlgorithmException ex) {
        Logger.getLogger(RouteRemit1.class.getName()).log(Level.SEVERE, null, ex);
    }
    out.flush();
    out.close();
}

From source file:eu.europa.ejusticeportal.dss.controller.action.DownloadSealedPdf.java

/**
 * Send the PDF to the http response//from   ww  w  .  ja  v  a  2  s . com
 * @param is the stream containing the PDF
 * @param pdfName the name of the PDF
 * @param response the HttpServletResponse to which the PDF will be written
 * @throws IOException
 */
private void sendPdf(InputStream is, String pdfName, HttpServletResponse response) throws IOException {
    response.setContentType("application/pdf");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + pdfName + "\"");

    ServletOutputStream outs = null;
    try {
        outs = response.getOutputStream();
        int r = 0;
        byte[] chunk = new byte[8192];
        while ((r = is.read(chunk)) != -1) {
            outs.write(chunk, 0, r);
        }
        outs.flush();
    } finally {
        IOUtils.closeQuietly(outs);
    }

}

From source file:BubbleChartDemo.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, java.io.IOException {

    Connection conn = null;//from   w ww . j a v  a 2 s.  c  o m
    Statement stmt = null;
    ResultSet rs = null;
    ResultSetMetaData rsm = null;

    OutputStream out = response.getOutputStream();
    try {

        DefaultXYZDataset dataset = new DefaultXYZDataset();
        double[] x = { 2.1, 2.3, 2.3, 2.2, 2.2, 1.8, 1.8, 1.9, 2.3, 3.8 };
        double[] y = { 14.1, 11.1, 10.0, 8.8, 8.7, 8.4, 5.4, 4.1, 4.1, 25 };
        double[] z = { 2.4, 2.7, 2.7, 2.2, 2.2, 2.2, 2.1, 2.2, 1.6, 4 };
        double[][] series = new double[][] { x, y, z };
        dataset.addSeries("Series 1", series);

        JFreeChart chart = ChartFactory.createBubbleChart("Bubble Chart Demo 1", "X", "Y", dataset,
                PlotOrientation.HORIZONTAL, true, true, true);
        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setForegroundAlpha(0.65f);

        XYItemRenderer renderer = plot.getRenderer();
        renderer.setSeriesPaint(0, Color.blue);

        // increase the margins to account for the fact that the auto-range
        // doesn't take into account the bubble size...
        NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
        domainAxis.setLowerMargin(0.15);
        domainAxis.setUpperMargin(0.15);
        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setLowerMargin(0.15);
        rangeAxis.setUpperMargin(0.15);

        response.setContentType("image/png");
        int width = 800;
        int height = 600;
        ChartUtilities.writeChartAsPNG(out, chart, width, height);

    } catch (Exception e) {
        throw new ServletException(e);
    }

}