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.thoughtworks.go.agent.testhelpers.FakeAgentCertificateServlet.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    ObjectOutputStream outputStream = null;
    try {//from   ww w .j a va 2  s .c  o m
        outputStream = new ObjectOutputStream(response.getOutputStream());
        outputStream.writeObject(AgentCertificateMother.agentCertificate());
    } finally {
        IOUtils.closeQuietly(outputStream);
    }
}

From source file:com.github.dbourdette.glass.web.controller.FilesController.java

private void serveResource(String name, HttpServletResponse response) throws IOException {
    InputStream inputStream = getClass().getResourceAsStream(name);
    OutputStream outputStream = response.getOutputStream();

    byte[] buffer = new byte[BUFFER_SIZE];

    int size = 0;
    while ((size = inputStream.read(buffer)) != -1) {
        outputStream.write(buffer, 0, size);
    }//from   w w w  .  j  av  a  2 s.  co m

    inputStream.close();
}

From source file:fi.okm.mpass.shibboleth.profile.impl.WriteMonitoringResultTest.java

@Test
public void testIOError() throws Exception {
    HttpServletResponse httpResponse = Mockito.mock(HttpServletResponse.class);
    Mockito.when(httpResponse.getOutputStream()).thenThrow(new IOException("mock"));
    action = new WriteMonitoringResult();
    action.setHttpServletResponse(httpResponse);
    action.initialize();/*  w w w  . j a v a2 s  .c om*/
    Event event = action.execute(src);
    Assert.assertEquals(event.getId(), EventIds.IO_ERROR);
}

From source file:com.webbfontaine.valuewebb.model.util.Utils.java

public static void sendBytes(byte[] bytes, String filename, String contentType) {
    if (bytes != null) {
        HttpServletResponse response = (HttpServletResponse) FacesContext.getCurrentInstance()
                .getExternalContext().getResponse();

        response.setContentType(contentType);
        response.addHeader("Content-disposition", "attachment; filename=" + filename);
        response.addHeader("Content-Length", String.valueOf(bytes.length));
        ServletOutputStream os = null;//from ww  w.  j  av  a2s  .c  o  m
        try {
            os = response.getOutputStream();
            os.write(bytes);
            os.flush();
            FacesContext.getCurrentInstance().responseComplete();
        } catch (IOException e) {
            LOGGER.error("Sending content failed {0}", filename, e);
        } finally {
            if (os != null) {
                try {
                    os.close();
                } catch (IOException e) {
                    LOGGER.error("Failed to close stream after sending", e);
                }
            }
        }
    }
}

From source file:com.mycompany.thymeleafspringapp.controller.DealsController.java

@RequestMapping(value = "/deals/{dealid}/{imgid}", method = RequestMethod.GET)
public void getImage(@PathVariable(value = "imgid") long imgId, @PathVariable(value = "dealid") long dealId,
        HttpServletResponse response) throws IOException {
    Users user = getUserDetails();// ww  w  .ja v a 2  s. co m
    response.setContentType("image/jpeg, image/jpg, image/png, image/gif");
    response.getOutputStream().write(ds.getScreenshotById(user.getUserId(), imgId));
    response.getOutputStream().close();
}

From source file:com.sharksharding.util.web.http.QueryViewServlet.java

/**
 * ?/*w  ww . ja va  2  s . co m*/
 * 
 * @author gaoxianglong
 * 
 * @param response
 *            http?
 * 
 * @param data
 *            ??
 * 
 * @throws IOException
 * 
 * @return void
 */
public void write(HttpServletResponse response, byte[] data) throws IOException {
    response.getOutputStream().write(data);
    response.getOutputStream().flush();
    response.getOutputStream().close();
}

From source file:net.sf.jsfcomp.chartcreator.ChartListener.java

private void writeChartWithServletResponse(HttpServletResponse response, JFreeChart chart, ChartData chartData)
        throws IOException {
    OutputStream stream = response.getOutputStream();
    response.setContentType(ChartUtils.resolveContentType(chartData.getOutput()));
    writeChart(stream, chart, chartData);
}

From source file:org.bedework.webcommon.location.FetchLocationsAction.java

protected void writeJson(final HttpServletResponse resp, final Object val) throws ServletException {
    try {//from   w w  w  . j av  a 2s  . com
        mapper.writeValue(resp.getOutputStream(), val);
    } catch (final Throwable t) {
        throw new ServletException(t);
    }
}

From source file:fr.ensimag.biblio.controllers.StatImg.java

/**
 * Handles the HTTP <code>GET</code> method.
 *
 * @param request servlet request//from   w  ww.  j  a v  a 2  s  .  c o m
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    OutputStream out = response.getOutputStream();
    response.setContentType("image/png");
    //int val1 = 40;
    //int val2 = 60;
    try {
        DefaultPieDataset dataset = new DefaultPieDataset();
        String title = "Statistiques";
        boolean legend = true;

        Map<String, String[]> params = request.getParameterMap();
        for (Map.Entry<String, String[]> param : params.entrySet()) {
            String key = param.getKey();
            String[] value = param.getValue();
            System.out.println("key : " + key + "value : " + value[0]);
            if (key.equals("legend"))
                legend = Boolean.parseBoolean(value[0]);
            else
                dataset.setValue(key, Double.parseDouble(value[0]));
        }

        //dataset.setValue("Valeur 1", val1);
        //dataset.setValue("Valeur 2", val2);
        JFreeChart chart = ChartFactory.createPieChart(title, dataset, legend, false, false);
        chart.setBackgroundPaint(Color.WHITE);
        ChartUtilities.writeChartAsPNG(out, chart, 500, 300);
    } finally {
        out.close();
    }
}

From source file:com.healthcit.cacure.web.controller.FormExportController.java

@RequestMapping(method = RequestMethod.GET)
public void exportForm(@RequestParam(value = "id", required = true) Long formId,
        @RequestParam(value = "format", required = true) String format, HttpServletResponse response) {

    try {//from   w  w w.  j  a v  a  2 s.  c  om
        OutputStream oStream = response.getOutputStream();
        Cure cureXml = dataExporter.constructFormXML(formId);
        JAXBContext jc = JAXBContext.newInstance("com.healthcit.cacure.export.model");

        if (ExportFormat.XML.name().endsWith(format)) {
            String fileNameHeader = String.format("attachment; filename=form-%d.xml;", formId);
            response.setHeader("Content-Disposition", fileNameHeader);
            response.setContentType("application/xml");

            Marshaller m = jc.createMarshaller();
            m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
            m.marshal(cureXml, oStream);
            oStream.flush();
        } else if (ExportFormat.EXCEL.name().equals(format)) {
            String fileNameHeader = String.format("attachment; filename=form-%d.xlxml;", formId);
            response.setHeader("Content-Disposition", fileNameHeader);
            response.setContentType("application/xml");
            StreamSource xslSource = new StreamSource(this.getClass().getClassLoader()
                    .getResourceAsStream(AppConfig.getString(Constants.EXPORT_EXCEL_XSLT_FILE)));
            JAXBSource xmlSource = new JAXBSource(jc, cureXml);
            Transformer transformer = TransformerFactory.newInstance().newTransformer(xslSource);
            transformer.transform(xmlSource, new StreamResult(oStream));
        }
    } catch (IOException e) {
        log.error("Unable to obtain output stream from the response");
        log.error(e.getMessage(), e);
    } catch (JAXBException e) {
        log.error("Unable to marshal the object");
        log.error(e.getMessage(), e);
    } catch (TransformerException e) {
        log.error("XSLT transformation failed");
        log.error(e.getMessage(), e);
    }
}