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:org.mule.transport.servlet.AbstractReceiverServlet.java

protected void writeResponse(HttpServletResponse servletResponse, MuleMessage message) throws Exception {
    if (message == null) {
        writeEmptyResponse(servletResponse);
    } else {/* ww w.j a  v a2  s. c  om*/
        writeResponseFromMessage(servletResponse, message);
    }
    servletResponse.flushBuffer();
}

From source file:org.ejbca.ui.web.RequestHelper.java

/**
 * Sends back certificate as binary file (application/octet-stream)
 *
 * @param b64cert base64 encoded certificate to be returned
 * @param out output stream to send to// w  w w  .j a v a  2 s.c  o m
 * @param filename filename sent as 'Content-disposition' header 
 * @param beginKey String containing key information, i.e. BEGIN_CERTIFICATE_WITH_NL or BEGIN_PKCS7_WITH_NL
 * @param endKey String containing key information, i.e. END_CERTIFICATE_WITH_NL or END_PKCS7_WITH_NL
 * @throws IOException 
 * @throws Exception on error
 */
public static void sendNewB64File(byte[] b64cert, HttpServletResponse out, String filename, String beginKey,
        String endKey) throws IOException {
    if (b64cert.length == 0) {
        log.error("0 length certificate can not be sent to client!");
        return;
    }

    // We must remove cache headers for IE
    ServletUtils.removeCacheHeaders(out);

    // Set content-type to general file
    out.setContentType("application/octet-stream");
    out.setHeader("Content-disposition", "filename=\"" + StringTools.stripFilename(filename) + "\"");

    out.setContentLength(b64cert.length + beginKey.length() + endKey.length());

    // Write the certificate
    ServletOutputStream os = out.getOutputStream();
    os.write(beginKey.getBytes());
    os.write(b64cert);
    os.write(endKey.getBytes());
    out.flushBuffer();
    if (log.isDebugEnabled()) {
        log.debug("Sent reply to client");
        log.debug(new String(b64cert));
    }
}

From source file:cs544.wamp_blog_engine.controller.UserController.java

@RequestMapping(value = "/image/{id}", method = RequestMethod.GET)
public void getUserImage(Model model, @PathVariable int id, HttpServletResponse response) {
    try {/*w  w  w  .j a  va2s .com*/
        User u = userService.getUser(id);
        if (u != null) {
            OutputStream out = response.getOutputStream();
            out.write(u.getProfilepic());
            response.flushBuffer();
        }
    } catch (IOException ex) {
        Logger.getLogger(UserController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:io.druid.server.AsyncManagementForwardingServlet.java

private void handleBadRequest(HttpServletResponse response, String errorMessage) throws IOException {
    if (!response.isCommitted()) {
        response.resetBuffer();/*from   ww w  .jav a2  s. c  o  m*/
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        jsonMapper.writeValue(response.getOutputStream(), ImmutableMap.of("error", errorMessage));
    }
    response.flushBuffer();
}

From source file:org.cloudfoundry.practical.demo.web.controller.TimeoutController.java

@RequestMapping("/timeout/ajaxdrip")
public void ajax(HttpServletResponse response) throws IOException {
    ServletOutputStream outputStream = response.getOutputStream();
    this.logger.info("Long running task...");
    try {//from w  w  w.  j  a v  a2s  .  c o m
        for (int i = 1; i <= TOTAL_SECONDS_DELAY; i++) {
            Thread.sleep(ONE_SECOND);
            this.logger.info(" Thinking..." + i);
            outputStream.write('.');
            response.flushBuffer();
        }
    } catch (InterruptedException e) {
    }
    outputStream.write("Hello from the server".getBytes());
}

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

/**
 * Writes a servlet response with an error code without html code wrapping the error message.
 *
 * @param servletResponse response object
 * @param errorCode http error code to be sent back to the client
 * @param errorMessage http error message
 * @param httpHeaders headers to be set in the response object. Can be null.
 * @throws Exception//from   w w  w.  j a va  2  s.  c  o  m
 */
public void writeNonHtmlErrorResponse(HttpServletResponse servletResponse, int errorCode, String errorMessage,
        Map<String, String> httpHeaders) throws Exception {
    addHeaders(servletResponse, httpHeaders);
    servletResponse.setStatus(errorCode);
    servletResponse.getOutputStream().write(errorMessage.getBytes());
    servletResponse.flushBuffer();
}

From source file:com.goodhuddle.huddle.web.api.ExportApiController.java

@RequestMapping(value = "/{fileName:.+}", method = RequestMethod.GET)
public void downloadExport(@PathVariable String fileName, HttpServletResponse response) throws IOException {
    log.debug("Downloading export file: {}", fileName);
    response.setContentType("text/csv");
    response.setHeader("Content-Disposition", "attachment; filename=\"members.csv\"");
    File exportFile = exportService.getExportFile(fileName);
    try (FileInputStream in = new FileInputStream(exportFile)) {
        IOUtils.copy(in, response.getOutputStream());
        response.flushBuffer();
    }// w w  w . j  ava  2s .c o m
}

From source file:org.dataone.proto.trove.mn.rest.v1.CoreController.java

/**
 * return the object requested//  w w  w  .j  a  va 2s . c  o  m
 *
 * @param request
 * @param response
 * @param pid
 * @throws InvalidToken
 * @throws ServiceFailure
 * @throws IOException
 * @throws NotAuthorized
 * @throws NotFound
 * @throws NotImplemented
 */
@RequestMapping(value = "/v1/monitor/ping", method = RequestMethod.GET)
public void ping(HttpServletRequest request, HttpServletResponse response) throws InvalidToken, ServiceFailure,
        IOException, NotAuthorized, NotFound, NotImplemented, InvalidRequest, InsufficientResources {

    debugRequest(request);

    mnCore.ping();
    response.setStatus(200);
    OutputStream out = response.getOutputStream();
    response.flushBuffer();
    out.close();

}

From source file:nl.strohalm.cyclos.controls.customization.documents.AbstractViewDocumentAction.java

@Override
protected ActionForward executeAction(final ActionContext context) throws Exception {
    final PreviewDocumentForm form = context.getForm();
    final long documentId = form.getDocumentId();
    if (documentId < 1) {
        throw new ValidationException();
    }/*from  ww  w  .  j  a v a2 s. c o m*/
    final StaticDocument document = (StaticDocument) documentService.load(documentId,
            StaticDocument.Relationships.BINARY_FILE);
    final BinaryFile binaryFile = document.getBinaryFile();
    final HttpServletResponse response = context.getResponse();
    ResponseHelper.setDownload(response, binaryFile.getName());
    response.setContentType(binaryFile.getContentType());
    response.setContentLength(binaryFile.getSize());
    response.setDateHeader("Last-Modified", binaryFile.getLastModified().getTimeInMillis());
    IOUtils.copy(binaryFile.getContents().getBinaryStream(), response.getOutputStream());
    response.flushBuffer();
    return null;
}

From source file:org.deegree.services.authentication.HttpBasicAuthentication.java

/**
 * Handles the authentication./*from  w ww . j a va 2s . co m*/
 * 
 * @param response
 * @param e
 * @throws IOException
 */
private void doAuthenticationException(HttpServletResponse response, SecurityException e) throws IOException {

    LOG.debug("SecurityException: ");
    response.reset();
    response.resetBuffer();
    response.setHeader("WWW-Authenticate", "Basic realm=\" Backroom ");
    response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    response.flushBuffer();

}