Example usage for javax.servlet.http HttpServletResponse flushBuffer

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

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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:org.ejbca.ui.web.RequestHelper.java

/**
 * Sends back a number of bytes//from  w  ww.java 2 s  .c  o m
 *
 * @param bytes DER encoded certificate to be returned
 * @param out output stream to send to
 * @param contentType mime type to send back bytes as
 * @param fileName to call the file in a Content-disposition, can be null to leave out this header
 *
 * @throws Exception on error
 */
public static void sendBinaryBytes(final byte[] bytes, final HttpServletResponse out, final String contentType,
        final String filename) throws Exception {
    if ((bytes == null) || (bytes.length == 0)) {
        log.error("0 length can not be sent to client!");
        return;
    }

    if (filename != null) {
        // We must remove cache headers for IE
        ServletUtils.removeCacheHeaders(out);
        out.setHeader("Content-disposition", "filename=\"" + StringTools.stripFilename(filename) + "\"");
    }

    // Set content-type to general file
    out.setContentType(contentType);
    out.setContentLength(bytes.length);

    // Write the certificate
    final ServletOutputStream os = out.getOutputStream();
    os.write(bytes);
    out.flushBuffer();
    if (log.isDebugEnabled()) {
        log.debug("Sent " + bytes.length + " bytes to client");
    }
}

From source file:org.mule.transport.servlet.ServletResponseWriter.java

/**
 * Writes a servlet response based on a mule message.
 *
 * @param servletResponse response object
 * @param message must be a not null message which content will be sent as response
 * @param httpHeaders headers to be set in the response object. Can be null.
 * @throws Exception/*from  ww  w.j  a v a2 s .  c om*/
 */
public void writeResponse(HttpServletResponse servletResponse, MuleMessage message,
        Map<String, String> httpHeaders) throws Exception {
    addHeaders(servletResponse, httpHeaders);
    writeResponseFromMessage(servletResponse, message);
    servletResponse.flushBuffer();
}

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

private void doPost(final HttpServletRequest request, final HttpServletResponse response)
        throws ServletException {
    LOG.info("doPost called");
    final String uploadKey = request.getParameter(ServerConstants.KEY_PARAMETER_NAME);
    LOG.info("Key is " + uploadKey);
    try {//from  ww  w  . ja v  a2s.  com
        fileKeyResolver.handleUpload(uploadKey, request.getInputStream());
        response.flushBuffer();
        response.setStatus(HttpServletResponse.SC_OK);
    } catch (final Exception e) {
        throw new ServletException(e);
    }
}

From source file:com.pm.myshop.controller.FilesController.java

@RequestMapping("/pictures/{thumb}/{fileName}")
@ResponseBody/*from   w  ww . j a va 2 s  .  c  om*/
public void viewFiles(@PathVariable("fileName") String fileName, @PathVariable("thumb") String thumb,
        HttpServletRequest request, HttpServletResponse response) throws IOException {
    try {

        String path = request.getRealPath("/");

        response.setContentType("image/jpeg");

        InputStream inputStream = new FileInputStream(path + "../../files/" + thumb + "/" + fileName + ".jpg");
        IOUtils.copy(inputStream, response.getOutputStream());
        response.flushBuffer();

    } catch (IOException ex) {
        System.out.println(ex.getMessage());
        response.getWriter().print("File Not Found");
    }

}

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

@RequestMapping(value = "/facultyProfileImage/{id}", method = RequestMethod.GET)
public void getProfileImage(Model model, @PathVariable int id, HttpServletResponse response) {
    try {/*  w  ww . ja  v  a  2 s .c  o m*/
        Faculty f = facultyService.getFacultyById(id);
        if (f != null) {
            OutputStream out = response.getOutputStream();
            out.write(f.getProfilePicture());
            response.flushBuffer();
        }
    } catch (IOException ex) {
        // Logger.getLogger(CustomerController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:com.shadows.liquiblq.webapi.controllers.SongsController.java

@RequestMapping(value = "/play/{id}", method = RequestMethod.GET)
public void doPlayById(@PathVariable("id") UUID id, @RequestParam("sessionKey") UUID Session,
        @RequestParam("UserId") Integer UserId, HttpServletResponse response) {
    try {//w  w w.  j  a  va  2  s .  c  o  m
        Validator.ValidateRequest(Session, UserId);
        Song song = Context.getSongsSet().GetById(id);
        InputStream File = SongsController.class.getResourceAsStream("/songs/" + song.Filename);
        IOUtils.copy(File, response.getOutputStream());
        response.flushBuffer();
    } catch (Exception Exp) {
        throw new RuntimeException("IOError writing file to output stream");
    }
}

From source file:ee.ria.xroad.proxy.testsuite.testcases.ServerProxyConnectionAborted3.java

@Override
public AbstractHandler getServerProxyHandler() {
    return new AbstractHandler() {
        @Override//from www. j  a v a 2  s  .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("multipart/mixed; boundary=foobar");
            response.setContentLength(1000);
            response.getOutputStream().close();
            response.flushBuffer();
            baseRequest.setHandled(true);
        }
    };
}

From source file:com.sishuok.chapter3.web.controller.StreamingController.java

@RequestMapping("/async3")
public void doGet(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
    resp.setHeader("Connection", "Keep-Alive");
    resp.addHeader("Cache-Control", "private");
    resp.addHeader("Pragma", "no-cache");
    resp.setContentType("text/html;charset=utf-8");
    resp.flushBuffer();

    //1??//from w  w  w  .j ava  2s .  c  o  m
    final AsyncContext asyncContext = req.startAsync();

    asyncContext.addListener(new AsyncListener() {
        @Override
        public void onComplete(final AsyncEvent event) throws IOException {
            queue.remove(event.getAsyncContext());
        }

        @Override
        public void onTimeout(final AsyncEvent event) throws IOException {
            event.getAsyncContext().complete();
            queue.remove(event.getAsyncContext());
        }

        @Override
        public void onError(final AsyncEvent event) throws IOException {
            queue.remove(event.getAsyncContext());
        }

        @Override
        public void onStartAsync(final AsyncEvent event) throws IOException {
        }
    });

    //????
    queue.add(asyncContext);

}

From source file:org.codehaus.groovy.grails.plugins.springsecurity.GrailsNtlmProcessingFilterEntryPoint.java

/**
 * {@inheritDoc}/*  w w w  .ja  v a 2 s.  c  o  m*/
 * @see org.springframework.security.ui.ntlm.NtlmProcessingFilterEntryPoint#commence(
 *    javax.servlet.ServletRequest, javax.servlet.ServletResponse,
 *    org.springframework.security.AuthenticationException)
 */
@Override
public void commence(final ServletRequest req, final ServletResponse res,
        final AuthenticationException authException) throws IOException, ServletException {

    // start authentication, if necessary and forceIdentification in NtlmProcessingFilter is false
    if (!(authException instanceof NtlmBaseException || authException instanceof BadCredentialsException)) {

        HttpServletRequest request = (HttpServletRequest) req;
        request.getSession().setAttribute(STATE_ATTR, BEGIN);

        HttpServletResponse response = (HttpServletResponse) res;

        response.setHeader("WWW-Authenticate", new NtlmBeginHandshakeException().getMessage());
        response.setHeader("Connection", "Keep-Alive");
        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        response.setContentLength(0);
        response.flushBuffer();
    } else {
        super.commence(req, res, authException);
    }
}

From source file:com.adobe.acs.commons.mcp.impl.processes.RefreshFolderTumbnails.java

private void rebuildThumbnail(ResourceResolver rr, String folderPath) throws ServletException, IOException {
    HttpServletRequest req = requestFactory.createRequest("GET", folderPath + ".folderthumbnail.jpg",
            THUMBNAIL_PARAMS);//w  w w. ja  v a2  s .  c o m
    try (NullOutputStream out = new NullOutputStream()) {
        HttpServletResponse res = requestFactory.createResponse(out);
        slingProcessor.processRequest(req, res, rr);
        res.flushBuffer();
    }
    record(folderPath, "Rebuild", "Thumbnail was rebuilt");
}