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.codice.ddf.security.filter.websso.WebSSOFilter.java

/**
 * Sends the given response code back to the caller.
 *
 * @param code     HTTP response code for this request
 * @param response the servlet response object
 *///from   www  .  j  a v  a2 s. c  om
private void returnSimpleResponse(int code, HttpServletResponse response) {
    try {
        LOGGER.debug("Sending response code {}", code);
        response.setStatus(code);
        if (code >= 400) {
            response.sendError(code);
        } else {
            response.setContentLength(0);
        }
        response.flushBuffer();
    } catch (IOException ioe) {
        LOGGER.debug("Failed to send auth response", ioe);
    }
}

From source file:ch.sbb.releasetrain.jsfbootadapter.FileDownloadUtil.java

@RequestMapping(value = "/static/**", method = RequestMethod.GET)
public void getFile(HttpServletResponse response, HttpServletRequest request) {
    try {/*from w ww . java 2  s  .  c  o  m*/

        String path = (String) request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);
        PathMatchingResourcePatternResolver res = new PathMatchingResourcePatternResolver();

        Resource template = res.getResource(path);

        if (!template.exists()) {
            log.info("file n/a... " + path);
            return;
        }

        org.apache.commons.io.IOUtils.copy(template.getInputStream(), response.getOutputStream());
        response.flushBuffer();

    } catch (IOException ex) {
        log.info("Error writing file to output stream", ex);
    }
}

From source file:com.cognifide.aet.rest.LockServlet.java

@Override
protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("PUT: " + req.toString());
    }/*from   w w w  . j  av  a2 s .co  m*/
    resp.setContentType(APPLICATION_JSON_CONTENT_TYPE);
    String value = req.getParameter(VALUE_PARAM);
    String key = getKey(req);
    if (StringUtils.isBlank(key) || StringUtils.isBlank(value)) {
        resp.setStatus(404);
    } else {
        lockService.setLock(key, value);
    }
    resp.flushBuffer();
}

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

/**
 * Writes an empty {@link javax.servlet.http.HttpServletResponse}.
 *
 * @param servletResponse response object
 * @param httpHeaders headers to be set in the response object. Can be null.
 * @throws IOException//  w  w  w.j  ava 2  s . c  om
 */
public void writeEmptyResponse(HttpServletResponse servletResponse, Map<String, String> httpHeaders)
        throws IOException {
    addHeaders(servletResponse, httpHeaders);
    servletResponse.setStatus(HttpServletResponse.SC_NO_CONTENT);
    if (feedbackOnEmptyResponse) {
        servletResponse.setStatus(HttpServletResponse.SC_OK);
        servletResponse.getWriter().write("Action was processed successfully. There was no result");
    }
    servletResponse.flushBuffer();
}

From source file:org.surfnet.oaaas.auth.AuthorizationServerFilter.java

protected void sendError(HttpServletResponse response, int statusCode, String reason) {
    LOG.warn("No valid access-token on request. Will respond with error response: {} {}", statusCode, reason);
    try {/*from w  ww .jav a  2  s  .  co m*/
        response.sendError(statusCode, reason);
        response.flushBuffer();
    } catch (IOException e) {
        throw new RuntimeException(reason, e);
    }
}

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

@RequestMapping(value = "/image/{id}", method = RequestMethod.GET)
public void getUserImage(Model model, @PathVariable int id, HttpServletResponse response) {
    try {//  w  w  w.  j ava2  s .  com
        Customer c = customerService.getCustomerById(id);
        if (c != null) {
            OutputStream out = response.getOutputStream();
            out.write(c.getProfilePicture());
            response.flushBuffer();
        }
    } catch (IOException ex) {
        Logger.getLogger(CustomerController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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

/**
 * In order to upload the users profile picture
 *
 * @param model/*from  ww w  .  j  a v a 2  s . c o m*/
 * @param id
 * @param response
 */
@RequestMapping(value = "/profileImage/{id}", method = RequestMethod.GET)
public void getProfileImage(Model model, @PathVariable int id, HttpServletResponse response) {
    try {
        Customer c = customerService.getCustomerById(id);
        if (c != null) {
            OutputStream out = response.getOutputStream();
            out.write(c.getProfilePicture());
            response.flushBuffer();
        }
    } catch (IOException ex) {
        Logger.getLogger(CustomerController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:fr.treeptik.cloudunit.controller.MonitoringController.java

/**
 * * Is a wrapper to cAdvisor API/* ww w  .  java 2  s . com*/
 *
 * @param containerName
 * @throws ServiceException
 * @throws CheckException
 */
@RequestMapping(value = "/api/containers/docker/{containerName}", method = RequestMethod.GET)
public void infoContainer(HttpServletRequest request, HttpServletResponse response,
        @PathVariable String containerName) throws ServiceException, CheckException {
    String containerId = monitoringService.getFullContainerId(containerName);

    String responseFromCAdvisor = monitoringService.getJsonFromCAdvisor(containerId);

    if (logger.isDebugEnabled()) {
        logger.debug("containerId=" + containerId);
        logger.debug("responseFromCAdvisor=" + responseFromCAdvisor);
    }

    try {
        response.getWriter().write(responseFromCAdvisor);
        response.flushBuffer();
    } catch (Exception e) {
        logger.error("error during write and flush response", containerName);
    }
}

From source file:com.digitalizat.control.TdocController.java

@RequestMapping(value = "obtenerFichero/{codigo}")
public void obtenerFichero(@PathVariable(value = "codigo") String codigo, HttpServletResponse response)
        throws FileNotFoundException, IOException, Exception {

    Document doc = tdocManager.getDocument(Integer.valueOf(codigo));

    response.setContentType("application/pdf");
    response.setHeader("Content-Disposition", "attachment; filename=" + doc.getFileName().replace(" ", ""));

    InputStream is = new FileInputStream(doc.getBasePath() + doc.getFileName());

    IOUtils.copy(is, response.getOutputStream());

    response.flushBuffer();

}

From source file:gob.osinergmin.inpsweb.controller.DocumentoAdjuntoController.java

@RequestMapping(value = "/descargaArchivoAlfresco", method = RequestMethod.GET)
//public @ResponseBody Map<String, Object> descargaArchivoAlfresco(DocumentoAdjuntoDTO filtro){
public void descargaArchivoAlfresco(DocumentoAdjuntoDTO filtro, HttpServletResponse response) {
    LOG.info("procesando descargaArchivoAlfresco--->" + filtro.getNombreArchivo());
    InputStream is = documentoAdjuntoServiceNeg.descargarDatosAlfresco(filtro);

    try {/*from   w w w . j  a v  a2 s  .  c  o  m*/
        if (is == null) {
            response.getWriter().write("Error al insertar Documento");
            return;
        }
        String nombreFichero = filtro.getNombreArchivo();
        response.setHeader("Content-Disposition", "attachment; filename=\"" + nombreFichero + "\"");
        IOUtils.copy(is, response.getOutputStream());
        response.flushBuffer();

    } catch (Exception ex) {
        LOG.info("--->" + ex.getMessage());
        LOG.info("Error writing file to output stream. Filename was '" + filtro.getNombreArchivo() + "'");
        throw new RuntimeException("IOError writing file to output stream");
    }
}