Example usage for java.io OutputStream flush

Introduction

In this page you can find the example usage for java.io OutputStream flush.

Prototype

public void flush() throws IOException

Source Link

Document

Flushes this output stream and forces any buffered output bytes to be written out.

Usage

From source file:gridool.communication.transport.tcp.GridOioSharedClient.java

private synchronized void syncWrite(final Socket socket, final byte[] b) throws IOException {
    OutputStream sockout = socket.getOutputStream();
    sockout.write(b);// ww  w  .  ja v a2s .c o m
    sockout.flush();
}

From source file:org.jasig.portlet.cms.controller.DownloadPostAttachmentController.java

@RequestMapping
protected void handleRequest(final HttpServletRequest request, final HttpServletResponse response)
        throws Exception {

    final HttpSession session = request.getSession();
    final Attachment attachment = (Attachment) session.getAttribute("attachment");

    logDebug("Attempting to download attachment: " + attachment);

    response.setContentType("application/x-download");

    logDebug("Set content type to: " + response.getContentType());

    final String encoding = response.getCharacterEncoding();

    logDebug("Encoded file name based on: " + encoding);

    final String fileName = URLEncoder.encode(attachment.getFileName(), encoding);
    response.setHeader("Content-Disposition", "attachment; filename=" + fileName);

    logDebug("Downloading file: " + fileName);

    final OutputStream out = response.getOutputStream();
    out.write(attachment.getContents());
    out.flush();

    logDebug("Clearing session attribute");
    session.setAttribute("attachment", null);

}

From source file:org.sakaiproject.lap.controller.FileDownloadController.java

@RequestMapping(method = RequestMethod.POST)
public void doDownload(HttpServletRequest request, HttpServletResponse response) {
    String datedDirectory = request.getParameter("extraction-date");
    String action = request.getParameter("action");
    String fileName = action + ".csv";
    String csvData = data.getCsvDataString(datedDirectory, fileName);

    response.setContentType(Constants.MIME_TYPE_CSV);
    response.setHeader("Content-Disposition", "attachment; filename='" + fileName + "'");

    try {/*w w w .  ja  v  a 2s.  com*/
        OutputStream outputStream = response.getOutputStream();
        outputStream.write(csvData.getBytes());
        outputStream.flush();
        outputStream.close();
    } catch (Exception e) {
        log.error("Error sending CSV file to browser: " + e, e);
    }
}

From source file:com.linecorp.armeria.internal.ConnectionLimitingHandlerIntegrationTest.java

private Socket newSocketAndTest() throws IOException {
    Socket socket = new Socket(LOOPBACK, server.httpPort());

    // Test this socket is opened or not.
    OutputStream os = socket.getOutputStream();
    os.write("GET / HTTP/1.1\r\n\r\n".getBytes());
    os.flush();

    // Read the next byte and ignore it.
    socket.getInputStream().read();// w  ww  .  j  a va  2s .c  o m

    return socket;
}

From source file:com.maydesk.base.util.ByteArrayImageReference.java

@Override
public void render(OutputStream out) throws IOException {
    try {/* ww w  .ja  v  a2  s.c  o  m*/
        IOUtils.copy(new ByteArrayInputStream(data), out);
        out.flush();
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.gmail.ferusgrim.util.UuidGrabber.java

public Map<String, UUID> call() throws Exception {
    JSONParser jsonParser = new JSONParser();
    Map<String, UUID> responseMap = new HashMap<String, UUID>();

    URL url = new URL("https://api.mojang.com/profiles/minecraft");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/json");
    connection.setUseCaches(false);// w w w.  j  a v  a2  s  .co  m
    connection.setDoInput(true);
    connection.setDoOutput(true);

    String body = JSONArray.toJSONString(this.namesToLookup);

    OutputStream stream = connection.getOutputStream();
    stream.write(body.getBytes());
    stream.flush();
    stream.close();

    JSONArray array = (JSONArray) jsonParser.parse(new InputStreamReader(connection.getInputStream()));

    for (Object profile : array) {
        JSONObject jsonProfile = (JSONObject) profile;
        String id = (String) jsonProfile.get("id");
        String name = (String) jsonProfile.get("name");
        UUID uuid = Grab.uuidFromResult(id);
        responseMap.put(name, uuid);
    }

    return responseMap;
}

From source file:io.scigraph.services.jersey.writers.BbopJsGraphWriter.java

@Override
public void writeTo(Graph data, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
        MultivaluedMap<String, Object> headers, OutputStream out) throws IOException {
    BbopGraph bbopGraph = graphUtil.convertGraph(data);
    MAPPER.writeValue(out, bbopGraph);//from  w w w  .  j  a  va  2s  .  c  o  m
    out.flush();
}

From source file:gridool.communication.transport.tcp.GridOioClient.java

public void sendMessage(SocketAddress sockAddr, GridCommunicationMessage msg) throws GridException {
    final Socket socket;
    try {//from  w  ww .  j ava 2s  . c  o  m
        socket = SocketUtils.openSocket(sockAddr, 0, 2000L, 3);
    } catch (IOException e) {
        LOG.error("failed to connect: " + sockAddr, e);
        throw new GridException(e);
    }

    final byte[] b = GridUtils.toBytes(msg); // TODO sendfile support
    if (LOG.isDebugEnabled()) {
        LOG.debug("Sending a message [" + msg.getMessageId() + " (" + b.length + " bytes)] to a node ["
                + sockAddr + "] using a socket [" + socket + ']');
    }
    try {
        OutputStream sockout = socket.getOutputStream();
        sockout.write(b);
        sockout.flush();
        NetUtils.shutdownOutputQuietly(socket); // terminate socket output (send FIN)
    } catch (IOException ioe) {
        final String errmsg = "Failed to send a GridCommunicationMessage [" + msg + "] to host [" + sockAddr
                + ']';
        LOG.error(errmsg, ioe);
        throw new GridException(errmsg, ioe);
    } catch (Throwable e) {
        LOG.fatal(PrintUtils.prettyPrintStackTrace(e, -1));
        throw new GridException("Unexpected exception was caused", e);
    } finally {
        NetUtils.closeQuietly(socket);
    }
}

From source file:yadarts.server.json.AbstractJSONWriter.java

@Override
public void writeTo(T t, Class<?> c, Type gt, Annotation[] a, MediaType mt, MultivaluedMap<String, Object> h,
        OutputStream os) throws IOException, WebApplicationException {
    objectWriter.writeValue(os, encode(t, mt));
    os.flush();
}

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

@Override
protected void process(DBKey dbKey, HttpServletRequest req, HttpServletResponse resp) throws IOException {
    String id = req.getParameter(Helper.ID_PARAM);
    resp.setCharacterEncoding("UTF-8");
    Artifact artifact = artifactsDAO.getArtifact(dbKey, id);
    if (artifact != null) {
        resp.setContentType(artifact.getContentType());
        resp.setHeader("Cache-Control", "public, max-age=31536000");

        OutputStream output = resp.getOutputStream();
        IOUtils.copy(artifact.getArtifactStream(), output);
        output.flush();
    } else {//from w ww .  j a va  2 s.  c om
        resp.setStatus(HttpURLConnection.HTTP_BAD_REQUEST);
        resp.setContentType("application/json");
        resp.getWriter()
                .write(responseAsJson("Unable to get artifact with id : %s form %s", id, dbKey.toString()));
    }
}