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:com.sivalabs.jcart.admin.web.controllers.ProductController.java

@GetMapping(value = "/products/images/{productId}")
public void showProductImage(@PathVariable String productId, HttpServletRequest request,
        HttpServletResponse response) {
    try {/*from   w  w  w . jav  a  2s.c o  m*/
        FileSystemResource file = new FileSystemResource(IMAGES_DIR + productId + ".jpg");
        response.setContentType("image/jpg");
        copy(file.getInputStream(), response.getOutputStream());
        response.flushBuffer();
    } catch (IOException e) {
        log.error(e.getMessage(), e);
    }
}

From source file:org.codice.ddf.security.handler.anonymous.AnonymousHandler.java

/**
 * This method handles errors related to failures related to credentials
 * verification. It returns a HTTP status code, 500 Internal Server Error,
 * which is then handled in Menu.view.js of the ddf-ui module.
 *
 * @param servletRequest  http request to obtain attributes from and to pass into any local filter chains required
 * @param servletResponse http response to return http responses or redirects
 * @param chain           original filter chain (should not be called from your handler)
 * @return HandlerResult//from  w  w  w. j  a v a 2 s . c o m
 * @throws ServletException
 */
@Override
public HandlerResult handleError(ServletRequest servletRequest, ServletResponse servletResponse,
        FilterChain chain) throws ServletException {
    HttpServletResponse httpResponse = (HttpServletResponse) servletResponse;
    httpResponse.setStatus(500);
    try {
        httpResponse.getWriter().write("Username/Password is invalid.");
        httpResponse.flushBuffer();
    } catch (IOException e) {
        LOGGER.debug("Failed to send auth response: {}", e);
    }

    HandlerResult result = new HandlerResult();
    LOGGER.debug("In error handler for anonymous - returning no action taken.");
    result.setStatus(HandlerResult.Status.NO_ACTION);
    return result;
}

From source file:org.apache.cxf.fediz.service.idp.kerberos.KerberosEntryPoint.java

public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException ex)
        throws IOException, ServletException {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Sending back Negotiate Header for request: " + request.getRequestURL());
    }/*from  www.ja v  a 2  s. c o m*/
    response.addHeader("WWW-Authenticate", "Negotiate");
    response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    response.flushBuffer();
}

From source file:org.dataconservancy.dcs.access.http.QueryServlet.java

protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    CountingOutputStream countingOs = new CountingOutputStream(resp.getOutputStream());
    search(req, resp, countingOs);/*from  ww w .j  a  va2  s.co  m*/
    resp.setContentLength(countingOs.getCount());
    resp.flushBuffer();
}

From source file:cz.muni.fi.pb138.cvmanager.controller.PDFcontroller.java

/**
 * Http Get request for "/auth/download"
 * Converts cv from xml format to latex and uploads pdf to users pc
 *
 * @param lang     language of  cv in downloaded pdf
 * @param response http server response//  w  ww  .ja v  a 2  s .c  o  m
 */
@RequestMapping(value = "/auth/download", method = RequestMethod.GET)
public void downloadPDF(@RequestParam("l") String lang, HttpServletResponse response) {
    try {
        //uncomment the calling of method when login finished
        pdfGenerator.xmlToLatex(getPrincipalUsername(), lang);
        InputStream pdf = pdfGenerator.latexToPdf(getPrincipalUsername());

        response.setContentType("application/pdf");
        FileCopyUtils.copy(pdf, response.getOutputStream());
        response.flushBuffer();
    } catch (Exception ex) {
        System.out.print(ex.toString());
        try {
            PrintWriter out = response.getWriter();
            out.println("Sorry, generating of CV to PDF failed");
            out.close();
        } catch (Exception e) {
            System.out.print("not able to print on web site");
        }
    }
}

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

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

From source file:dk.dma.msiproxy.web.MessageDetailsServlet.java

/**
 * Generates a HTML page containing the MSI message details
 * @param request the HTTP servlet request
 * @param response the HTTP servlet response
 *///w  w w  .  j  ava 2s  .c om
private void generateHtmlPage(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    // Normal processing
    request.getRequestDispatcher(DETAILS_JSP_FILE).include(request, response);
    response.flushBuffer();
}

From source file:org.alfresco.repo.webdav.auth.HTTPRequestAuthenticationFilter.java

private void reject(HttpServletRequest httpReq, HttpServletResponse httpResp) throws IOException {
    httpResp.setHeader("WWW-Authenticate", "BASIC realm=\"Alfresco DAV Server\"");
    httpResp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    httpResp.flushBuffer();
    return;/* w  ww .  ja  v  a 2 s  .  c o  m*/
}

From source file:be.dnsbelgium.rdap.spring.security.RDAPErrorHandler.java

@Override
public final void handle(final HttpServletRequest request, final HttpServletResponse response,
        final AccessDeniedException e) throws IOException, ServletException {
    if (e instanceof RDAPErrorException) {
        response.setContentType(Controllers.CONTENT_TYPE);
        RDAPErrorException exception = (RDAPErrorException) e;
        response.setStatus(exception.getErrorCode());
        mapper.writeValue(response.getOutputStream(), exception);
        response.flushBuffer();
    } else {//from w  w  w  . j  av a  2s  . c  o  m
        super.handle(request, response, e);
    }
}