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.ewcms.publication.filter.render.ResourceRender.java

/**
 * ?/*from w  w w  .j ava 2 s  .  co  m*/
 * 
 * @param response
 * @param uri   ?
 * @return
 * @throws IOException
 */
@Override
protected boolean output(HttpServletResponse response, Long siteId, String uri) throws IOException {
    Resource resource = resourcePublishDao.findByUri(siteId, uri);
    if (resource == null) {
        logger.debug("Resource is not exist,uri is {}", uri);
        return false;
    }
    String realPath = resource.getPath();
    try {
        IOUtils.copy(new FileInputStream(realPath), response.getOutputStream());
    } catch (Exception e) {
        logger.warn("Resource is not exit,real path is{}", realPath);
    }
    response.flushBuffer();

    return true;
}

From source file:com.qubit.solution.fenixedu.bennu.webservices.ui.management.keystores.DomainKeyStoreController.java

@RequestMapping(value = "/read/{oid}/downloadkeystore")
public void processReadToDownloadKeystore(@PathVariable("oid") DomainKeyStore domainKeyStore,
        HttpServletResponse response) {
    InputStream is = domainKeyStore.getKeyStoreFile().getStream();
    response.setContentType("application/octet-stream");
    response.setHeader("Content-disposition", "attachment; filename=" + domainKeyStore.getName() + ".jks");
    try {/*from ww w.  java2  s. co  m*/
        StreamUtils.copy(is, response.getOutputStream());
        response.flushBuffer();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:org.fao.unredd.portal.ApplicationController.java

@RequestMapping("/charts.json")
public void getCharts(HttpServletRequest request, HttpServletResponse response) throws IOException {
    response.setContentType("application/json;charset=UTF-8");
    try {//from ww w  .j  a  va  2  s . c  o m
        response.getWriter().print(getCharts());
        response.flushBuffer();
    } catch (Exception e) {
        logger.error(e);
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    }
}

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

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("GET: " + req.toString());
    }/*  w  w w  .  j a  va 2  s  . c  om*/
    resp.setContentType(APPLICATION_JSON_CONTENT_TYPE);

    String key = getKey(req);
    if (StringUtils.isBlank(key)) {
        resp.getWriter().write(GSON.toJson(getLocks()));
    } else {
        resp.getWriter().write(GSON.toJson(lockService.isLockPresent(key)));
    }
    resp.flushBuffer();
}

From source file:waffle.spring.NegotiateSecurityFilterEntryPoint.java

@Override
public void commence(final HttpServletRequest request, final HttpServletResponse response,
        final AuthenticationException ex) throws IOException, ServletException {

    NegotiateSecurityFilterEntryPoint.LOGGER.debug("[waffle.spring.NegotiateEntryPoint] commence");

    if (this.provider == null) {
        throw new ServletException("Missing NegotiateEntryPoint.Provider");
    }//from  ww  w.j  av a 2s .c o m

    response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    response.setHeader("Connection", "keep-alive");
    this.provider.sendUnauthorized(response);
    response.flushBuffer();
}

From source file:org.codice.ddf.security.idp.client.IdpHandler.java

private void doHttpPostBinding(HttpServletRequest request, HttpServletResponse response)
        throws ServletException {
    try {/*from   w ww.j  av a2s.  c  o  m*/
        response.getWriter().printf(postBindingTemplate, idpMetadata.getSingleSignOnLocation(),
                createAuthnRequest(true), createRelayState(request));
        response.setStatus(200);
        response.flushBuffer();
    } catch (IOException e) {
        LOGGER.warn("Unable to post AuthnRequest to IdP", e);
        throw new ServletException("Unable to post to IdP");
    }
}

From source file:com.norconex.collector.http.website.TestServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String testCaseKey = StringUtils.trimToNull(req.getParameter("case"));
    if (StringUtils.isBlank(testCaseKey)) {
        testCaseKey = "list";
    }//from ww w .  j  a  v  a2  s. c  om
    TestCase testCase = testCases.get(testCaseKey);
    if (testCase == null) {
        testCase = testCases.get("list");
    }
    try {
        testCase.doTestCase(req, resp);
        resp.flushBuffer();
    } catch (Exception e) {
        e.printStackTrace(resp.getWriter());
    }
}

From source file:cn.lhfei.fu.web.controller.HomeworkController.java

/**
 * Method for handling file download request from client
 *//* www .  ja v  a  2s. c  o  m*/
@RequestMapping(method = RequestMethod.GET)
public void doDownload(HttpServletRequest request, HttpServletResponse response) throws IOException {
    try {
        // get your file as InputStream
        InputStream is = null;
        // copy it to response's OutputStream
        org.apache.commons.io.IOUtils.copy(is, response.getOutputStream());
        response.flushBuffer();
    } catch (IOException ex) {
        throw new RuntimeException("IOError writing file to output stream");
    }

}

From source file:com.google.nigori.server.NigoriServlet.java

/**
 * Send an SC_OK and and empty body/*w  w w .j  a  v  a  2  s.  com*/
 * 
 * @param resp
 * @throws ServletException
 */
private void emptyBody(HttpServletResponse resp) throws ServletException {
    try {
        resp.setContentType(MessageLibrary.MIMETYPE_JSON);
        resp.setStatus(HttpServletResponse.SC_OK);
        resp.flushBuffer();
    } catch (IOException ioe) {
        throw new ServletException(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                "Error attempting to write status OK message after successfully handling a PutRequest");
    }
}

From source file:com.almende.eve.transport.http.DebugServlet.java

@Override
public void doPost(final HttpServletRequest req, final HttpServletResponse resp)
        throws IOException, ServletException {

    if (!handleSession(req, resp)) {
        if (!resp.isCommitted()) {
            resp.sendError(HttpServletResponse.SC_UNAUTHORIZED);
        }/*from w  ww.  j av a2s  . c  om*/
        resp.flushBuffer();
        return;
    }

    // retrieve the url and the request body
    final String body = StringUtil.streamToString(req.getInputStream());
    final String url = req.getRequestURI();
    final String id = getId(url);
    if (id == null || id.equals("") || id.equals(myUrl.toASCIIString())) {
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Couldn't parse URL, missing 'id'");
        resp.flushBuffer();
        return;
    }

    String sender = req.getHeader("X-Eve-SenderUrl");
    if (sender == null || sender.equals("")) {
        sender = "web://" + req.getRemoteUser() + "@" + req.getRemoteAddr();
    }
    URI senderUrl = null;
    try {
        senderUrl = new URI(sender);
    } catch (final URISyntaxException e) {
        LOG.log(Level.WARNING, "Couldn't parse senderUrl:" + sender, e);
    }
    final HttpTransport transport = HttpService.get(myUrl, id);
    if (transport != null) {
        try {
            final String response = transport.receive(body, senderUrl);
            // TODO: It doesn't need to be json, should we handle mime-types
            // better?
            resp.addHeader("Content-Type", "application/json");
            resp.getWriter().println(response);
            resp.getWriter().close();
        } catch (final IOException e) {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                    "Receiver raised exception:" + e.getMessage());
        }
    } else {
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Couldn't load transport");
    }
    resp.flushBuffer();
}