Example usage for javax.servlet.http HttpServletResponse flushBuffer

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse flushBuffer.

Prototype

public void flushBuffer() throws IOException;

Source Link

Document

Forces any content in the buffer to be written to the client.

Usage

From source file:cs425.yogastudio.controller.CustomerController.java

@RequestMapping(value = "/customerpic/{id}", method = RequestMethod.GET)
public void getUserImage(Model model, @PathVariable int id, HttpServletResponse response) {
    try {//from  w w  w . j a v  a2  s  . c  o m
        Customer c = customerService.get(id);
        if (c != null) {
            OutputStream out = response.getOutputStream();
            out.write(c.getProductImage());
            response.flushBuffer();
        }
    } catch (IOException ex) {
        //Logger.getLogger(CustomerController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:org.nuxeo.ecm.platform.rendition.url.AbstractRenditionRestHelper.java

@Begin(id = "#{conversationIdGenerator.nextMainConversationId}", join = true)
public void render(DocumentView docView) throws Exception {

    DocumentLocation docLoc = docView.getDocumentLocation();
    if (documentManager == null) {
        RepositoryLocation loc = new RepositoryLocation(docLoc.getServerName());
        navigationContext.setCurrentServerLocation(loc);
        documentManager = navigationContext.getOrCreateDocumentManager();
    }/*from  ww w.  jav  a2s  . c  om*/
    DocumentModel doc = documentManager.getDocument(docLoc.getDocRef());
    if (doc != null) {
        String renditionName = docView.getParameter(RenditionBasedCodec.RENDITION_PARAM_NAME);
        FacesContext context = FacesContext.getCurrentInstance();
        Blob rendered = null;
        try {
            rendered = renderAsBlob(doc, renditionName);
        } catch (NuxeoException e) {
            log.error("Unable to generate rendition " + renditionName, e);
            facesMessages.add(StatusMessage.Severity.WARN, messages.get("rendition.not.available"),
                    renditionName);
            // now we need to redirect
            // otherwise the page will be rendered via Seam PDF
            HttpServletRequest req = (HttpServletRequest) context.getExternalContext().getRequest();
            String url = DocumentModelFunctions.documentUrl(doc, req);

            HttpServletResponse response = (HttpServletResponse) context.getExternalContext().getResponse();
            try {
                response.sendRedirect(url);
                // be sure we block the codec chain
                response.flushBuffer();
                FacesContext.getCurrentInstance().responseComplete();
            } catch (IOException ioe) {
                log.error("Error while redirecting to standard view", ioe);
            }
            return;
        }
        if (rendered != null) {
            if (rendered.getMimeType() != null && rendered.getMimeType().startsWith("text/")) {
                HttpServletRequest request = (HttpServletRequest) context.getExternalContext().getRequest();
                // add inline download flag
                request.setAttribute("inline", "true");
            }
            ComponentUtils.download(doc, null, rendered, rendered.getFilename(), "rendition",
                    Collections.singletonMap("rendition", renditionName));
        } else {
            HttpServletResponse response = (HttpServletResponse) context.getExternalContext().getResponse();
            response.sendError(404, "Unable to find rendition " + renditionName);
        }
    }
}

From source file:ee.ria.xroad.proxy.testsuite.testcases.ServerProxyConnectionAborted2.java

@Override
public AbstractHandler getServerProxyHandler() {
    return new AbstractHandler() {
        @Override/*from   ww w.  jav  a 2s  .co m*/
        public void handle(String target, Request baseRequest, HttpServletRequest request,
                HttpServletResponse response) throws IOException {
            // Read all of the request.
            IOUtils.readLines(request.getInputStream());

            response.setContentType("text/xml");
            response.setContentLength(1000);
            response.getOutputStream().close();
            response.flushBuffer();
            baseRequest.setHandled(true);
        }
    };
}

From source file:edu.umn.msi.tropix.transfer.http.server.HttpTransferControllerImpl.java

private void doGet(final HttpServletRequest request, final HttpServletResponse response)
        throws ServletException {
    LOG.info("doGet called");
    final String downloadKey = request.getParameter(ServerConstants.KEY_PARAMETER_NAME);
    LOG.info("Key is " + downloadKey);
    try {//ww w .j  av a  2 s  .c o  m
        response.setStatus(HttpServletResponse.SC_OK);
        response.flushBuffer();
        fileKeyResolver.handleDownload(downloadKey, response.getOutputStream());
    } catch (final Exception e) {
        LOG.info("handleDownload threw exception", e);
        throw new ServletException(e);
    }
}

From source file:com.mnt.base.web.DigestAuthenticator.java

/**
 * WWW-Authenticate: Digest realm="testrealm@host.com",
  *                   qop="auth,auth-int",
  *                   nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
  *                   opaque="5ccc069c403ebaf9f0171e9517f40e41"
 * @param req //from w ww.  java2  s. c om
 *
 * @param resp
 * @param authInfoMap
 */
private static void postAuthRequired(HttpServletRequest req, HttpServletResponse resp,
        Map<String, Object> authInfoMap) {

    resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);

    StringBuilder sb = new StringBuilder();
    String siteHost;
    siteHost = req.getHeader("Host");
    if (siteHost == null) {
        siteHost = "www.mntplay.com";
    }

    sb.append("Digest realm=\"" + siteHost + "\",algorithm=\"md5\",");
    sb.append("qop=\"auth,auth-int\",");

    String nonce = (String) authInfoMap.get("nonce");

    if (nonce == null) {
        nonce = UUID.randomUUID().toString();
    }

    String opaque = UUID.randomUUID().toString();

    sb.append("nonce=\"" + nonce + "\",");
    sb.append("opaque=\"" + opaque + "\"");

    authInfoMap.put("nonce", nonce);
    resp.setHeader("WWW-Authenticate", sb.toString());

    try {
        resp.flushBuffer();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:org.codice.ddf.security.handler.basic.BasicAuthenticationHandler.java

/**
 * Return a 401 response back to the web browser to prompt for basic auth.
 *
 * @param response//  w w w. j av a 2 s.  c  om
 */
private void doAuthPrompt(HttpServletResponse response) {
    try {
        response.setHeader(HttpHeaders.WWW_AUTHENTICATE, AUTHENTICATION_SCHEME_BASIC);
        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        response.setContentLength(0);
        response.flushBuffer();
    } catch (IOException ioe) {
        LOGGER.debug("Failed to send auth response: {}", ioe);
    }
}

From source file:com.oak_yoga_studio.controller.ProductController.java

/**
 * Image display// w  ww  . jav a 2  s.com
 */
@RequestMapping(value = "/productImage/{id}", method = RequestMethod.GET)
public void getProductImage(Model model, @PathVariable int id, HttpServletResponse response) {
    try {
        Product p = productService.getProduct(id);
        if (p != null) {
            OutputStream out = response.getOutputStream();
            out.write(p.getImage());
            response.flushBuffer();
        }
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:eu.freme.common.exception.ExceptionHandlerService.java

public void writeExceptionToResponse(HttpServletRequest request, HttpServletResponse response,
        Throwable exception) throws IOException {
    ResponseEntity<String> responseEntity = handleError(request, exception);
    response.setStatus(responseEntity.getStatusCode().value());
    response.getWriter().write(responseEntity.getBody());
    response.flushBuffer();
}

From source file:org.apache.unomi.web.EventsCollectorServlet.java

@Override
protected void doOptions(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    //        logger.debug(HttpUtils.dumpRequestInfo(request));
    HttpUtils.setupCORSHeaders(request, response);
    response.flushBuffer();
}

From source file:com.ewcms.publication.filter.render.TemplateSourceRender.java

/**
 * ?//ww w  .  ja  va 2 s  . com
 * 
 * @param response
 * @param uri   ?
 * @return
 * @throws IOException
 */
protected boolean output(HttpServletResponse response, Long siteId, String uri) throws IOException {
    TemplateSource source = templateSourcePublishDao.findByUri(siteId, uri);
    if (source == null) {
        logger.debug("TemplateSource is not exist,uri is {}", uri);
        return false;
    }
    IOUtils.write(source.getContent(), response.getOutputStream());
    response.flushBuffer();
    return true;
}