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.aboutdata.web.controller.AvatarsController.java

/**
 * Get download from file-system//from  w  ww. j av  a2s  .  co m
 *
 * @param avatar
 * @param t type png jpg
 * @param v ? v=1
 * @param s
 * @param response {@link HttpServletResponse}
 */
@RequestMapping(value = "/{avatar}", method = RequestMethod.GET)
public void download(@PathVariable("avatar") String avatar, String t, String v, String s,
        HttpServletResponse response) {
    if (StringUtils.isEmpty(s)) {
        File file = new File("/var/avatars/" + avatar + "." + t);
        try {
            FileUtils.copyFile(file, response.getOutputStream());
        } catch (IOException ex) {
            logger.error("error {}", ex);
            response.setHeader("message", "?");
            response.setStatus(404);
        }
    } else {
        File file = new File("/var/avatars/" + avatar + "-" + s + "." + t);
        try {
            FileUtils.copyFile(file, response.getOutputStream());
        } catch (IOException ex) {
            logger.error("error {}", ex);
            response.setHeader("message", "?");
            response.setStatus(404);
        }
    }

}

From source file:org.magnum.dataup.VideoServiceController.java

@RequestMapping(value = DATA_PATH, method = RequestMethod.GET)
public void getData(@PathVariable("id") long id, HttpServletResponse response) throws IOException {
    if (videos.containsKey(id)) {
        Video v = videos.get(id);/* w ww .j  ava 2  s . c  o  m*/
        manager.copyVideoData(v, response.getOutputStream());
    } else {
        response.sendError(404, "No video with id=" + id + " exists.");
    }
}

From source file:org.apache.hadoop.gateway.ha.dispatch.DefaultHaDispatchTest.java

@Test
public void testConnectivityFailover() throws Exception {
    String serviceName = "OOZIE";
    HaDescriptor descriptor = HaDescriptorFactory.createDescriptor();
    descriptor.addServiceConfig(//  w ww.j a  v a  2  s.  co  m
            HaDescriptorFactory.createServiceConfig(serviceName, "true", "1", "1000", "2", "1000", null, null));
    HaProvider provider = new DefaultHaProvider(descriptor);
    URI uri1 = new URI("http://unreachable-host");
    URI uri2 = new URI("http://reachable-host");
    ArrayList<String> urlList = new ArrayList<String>();
    urlList.add(uri1.toString());
    urlList.add(uri2.toString());
    provider.addHaService(serviceName, urlList);
    FilterConfig filterConfig = EasyMock.createNiceMock(FilterConfig.class);
    ServletContext servletContext = EasyMock.createNiceMock(ServletContext.class);

    EasyMock.expect(filterConfig.getServletContext()).andReturn(servletContext).anyTimes();
    EasyMock.expect(servletContext.getAttribute(HaServletContextListener.PROVIDER_ATTRIBUTE_NAME))
            .andReturn(provider).anyTimes();

    BasicHttpParams params = new BasicHttpParams();

    HttpUriRequest outboundRequest = EasyMock.createNiceMock(HttpRequestBase.class);
    EasyMock.expect(outboundRequest.getMethod()).andReturn("GET").anyTimes();
    EasyMock.expect(outboundRequest.getURI()).andReturn(uri1).anyTimes();
    EasyMock.expect(outboundRequest.getParams()).andReturn(params).anyTimes();

    HttpServletRequest inboundRequest = EasyMock.createNiceMock(HttpServletRequest.class);
    EasyMock.expect(inboundRequest.getRequestURL()).andReturn(new StringBuffer(uri2.toString())).once();
    EasyMock.expect(inboundRequest.getAttribute("dispatch.ha.failover.counter")).andReturn(new AtomicInteger(0))
            .once();
    EasyMock.expect(inboundRequest.getAttribute("dispatch.ha.failover.counter")).andReturn(new AtomicInteger(1))
            .once();

    HttpServletResponse outboundResponse = EasyMock.createNiceMock(HttpServletResponse.class);
    EasyMock.expect(outboundResponse.getOutputStream())
            .andAnswer(new IAnswer<SynchronousServletOutputStreamAdapter>() {
                @Override
                public SynchronousServletOutputStreamAdapter answer() throws Throwable {
                    return new SynchronousServletOutputStreamAdapter() {
                        @Override
                        public void write(int b) throws IOException {
                            throw new IOException("unreachable-host");
                        }
                    };
                }
            }).once();
    EasyMock.replay(filterConfig, servletContext, outboundRequest, inboundRequest, outboundResponse);
    Assert.assertEquals(uri1.toString(), provider.getActiveURL(serviceName));
    DefaultHaDispatch dispatch = new DefaultHaDispatch();
    dispatch.setHttpClient(new DefaultHttpClient());
    dispatch.setHaProvider(provider);
    dispatch.setServiceRole(serviceName);
    dispatch.init();
    long startTime = System.currentTimeMillis();
    try {
        dispatch.executeRequest(outboundRequest, inboundRequest, outboundResponse);
    } catch (IOException e) {
        //this is expected after the failover limit is reached
    }
    long elapsedTime = System.currentTimeMillis() - startTime;
    Assert.assertEquals(uri2.toString(), provider.getActiveURL(serviceName));
    //test to make sure the sleep took place
    Assert.assertTrue(elapsedTime > 1000);
}

From source file:com.sun.portal.os.portlets.ChartServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    OutputStream out = response.getOutputStream();

    try {// w w  w .  jav  a2s  .  c  o  m
        JFreeChart chart = createChart(request);
        if (chart != null) {
            response.setContentType(CONTENT_TYPE_IMG_PNG);
            ChartUtilities.writeChartAsPNG(out, chart, 400, 300);
        }
    } catch (Exception e) {
        System.err.println(e.toString());
    } finally {
        out.close();
    }
}

From source file:net.mindengine.oculus.frontend.web.controllers.trm.tasks.AjaxTaskSearchController.java

@Override
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
    verifyPermissions(request);//  w w  w. j  a  v  a 2 s. c  om

    OutputStream os = response.getOutputStream();
    response.setContentType("text/xml");

    String rId = request.getParameter("id");

    OutputStreamWriter w = new OutputStreamWriter(os);

    w.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
    w.write("<tree id=\"" + rId + "\" >");

    if (rId.equals("0")) {
        w.write("<item text=\"My Tasks\" " + "id=\"mytasks\" "
                + "im0=\"tombs.gif\" im1=\"tombs_open.gif\" im2=\"tombs.gif\" child=\"1\" "
                + " nocheckbox=\"1\" >");
        w.write("</item>");
        w.write("<item text=\"Shared Tasks\" " + "id=\"shared\" "
                + "im0=\"tombs.gif\" im1=\"tombs_open.gif\" im2=\"tombs.gif\" child=\"1\" "
                + " nocheckbox=\"1\" >");
        w.write("</item>");
    } else {
        User user = getUser(request);

        Collection<TrmTask> tasks = null;
        Long projectId = null;
        String strProject = request.getParameter("projectId");
        if (strProject != null) {
            projectId = Long.parseLong(strProject);
        }

        if (rId.equals("mytasks")) {
            tasks = trmDAO.getUserTasks(user.getId(), projectId);

        } else if (rId.equals("shared")) {
            Collection<User> users = trmDAO.getUsersWithSharedTasks(user.getId(), projectId);
            for (User u : users) {
                w.write("<item text=\"" + XmlUtils.escapeXml(u.getName()) + "\" " + "id=\"u" + u.getId() + "\" "
                        + "im0=\"workflow-icon-user.png\" im1=\"workflow-icon-user.png\" im2=\"workflow-icon-user.png\" child=\"1\" "
                        + " nocheckbox=\"1\" >");
                w.write("</item>");
            }
        } else if (rId.startsWith("u")) {
            Long userId = Long.parseLong(rId.substring(1));
            tasks = trmDAO.getUserSharedTasks(userId, projectId);
        }

        if (tasks != null) {
            for (TrmTask task : tasks) {
                w.write("<item text=\"" + XmlUtils.escapeXml(task.getName()) + "\" " + "id=\"t" + task.getId()
                        + "\" " + "im0=\"iconTask.png\" im1=\"iconTask.png\" im2=\"iconTask.png\" child=\"0\" "
                        + " >");
                w.write("</item>");
            }
        }

    }

    w.write("</tree>");
    w.flush();
    os.flush();
    os.close();
    return null;
}

From source file:se.vgregion.mobile.qr.QrController.java

@RequestMapping("/qr")
public void image(@RequestParam("url") String url,
        @RequestParam(value = "width", defaultValue = "300") int width,
        @RequestParam(value = "height", defaultValue = "300") int height, HttpServletResponse response)
        throws ServletException {

    OutputStream out = null;/*w ww.j a  v  a 2  s  .  co m*/
    try {
        response.setContentType("image/png");
        out = response.getOutputStream();
        Writer writer = new QRCodeWriter();
        BitMatrix matrix = writer.encode(url, BarcodeFormat.QR_CODE, width, height);
        MatrixToImageWriter.writeToStream(matrix, "png", out);
        out.flush();
    } catch (WriterException e) {
        throw new ServletException("Failed writing QR", e);
    } catch (IOException e) {
        throw new ServletException("Failed writing QR", e);
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                // ignore
            }
        }
    }

}

From source file:com.climate.oada.security.oauth.LogoutImpl.java

@Override
public void onLogoutSuccess(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse,
        Authentication authentication) throws IOException, ServletException {

    this.removeAccess(httpServletRequest);
    httpServletResponse.getOutputStream().write("Logged Out".getBytes());
}

From source file:company.gonapps.loghut.controller.BackupController.java

@RequestMapping(value = "/backup.do", method = RequestMethod.GET)
public void backup(HttpServletResponse response) throws Exception {
    response.setHeader("Content-Type", "application/x-gzip");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + "BACKUP.tar.gz" + "\"");
    postService.backup(response.getOutputStream());
}

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

/**
 * Handles the request for viewing VoID.
 *
 * @return//from  w  ww .  j a  v a 2 s.co m
 */
@DefaultHandler
public Resolution getVoID() {
    contextRoot = StringUtils.substringBeforeLast(getContext().getRequest().getRequestURL().toString(), "/");

    StreamingResolution result = new StreamingResolution("application/xml") {
        public void stream(HttpServletResponse response) throws Exception {
            List<UploadDTO> uploads = DAOFactory.get().getDao(HelperDAO.class).getAllRdfUploads();
            VoIDXmlWriter xmlWriter = new VoIDXmlWriter(response.getOutputStream(), contextRoot);
            xmlWriter.writeVoIDXml(uploads);
        }
    };
    return result;
}

From source file:authentication.DefaultAuthenticationFailureHandler.java

/** {@inheritDoc} */
@Override//from  w ww.  j  a v  a2 s  .  c o m
public void onAuthenticationFailure(final HttpServletRequest request, final HttpServletResponse response,
        final AuthenticationException exception) throws IOException {
    response.setContentType(MediaType.APPLICATION_JSON_VALUE);
    response.setStatus(HttpStatus.UNAUTHORIZED.value());
    response.getOutputStream()
            .print(String.format(JSON, HttpStatus.UNAUTHORIZED.value(), exception.getMessage()));
}