Example usage for java.io DataOutputStream DataOutputStream

Introduction

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

Prototype

public DataOutputStream(OutputStream out) 

Source Link

Document

Creates a new data output stream to write data to the specified underlying output stream.

Usage

From source file:com.lyonsdensoftware.vanitymirror.PythonConnectionThread.java

@Override
public void run() {
    // Try connecting to the master server
    try {//from  w  w  w  . j a  va 2s .  com

        // Create a socket to connect to the server
        this.socket = new Socket(this.mainWindow.getConfigFile().getHostname(),
                this.mainWindow.getConfigFile().getPort());

        // Note it in the log
        log.info("LOG", "Connect to MasterServer at IP: " + socket.getInetAddress().getHostAddress()
                + " on PORT: " + socket.getPort());

        connectedToServer = true;

        // Create an input stream to receive data from the server
        mainWindow.setFromServer(new DataInputStream(socket.getInputStream()));

        // Create an output stream to send data to the server
        mainWindow.setToServer(new DataOutputStream(socket.getOutputStream()));

        // Main Loop
        while (runThread) {

            // Check for data from the server
            BufferedReader in = new BufferedReader(new InputStreamReader(mainWindow.getFromServer()));

            if (in.ready()) {
                // Convert in data to json
                Gson gson = new Gson();

                JSONObject json = new JSONObject(gson.fromJson(in.readLine(), JSONObject.class));

                if (json.keys().hasNext()) {
                    // handle the data
                    handleDataFromServer(json);
                } else {
                    System.out.println(json.toString());
                }
            }
        }

        // Loop not running now so close connection
        socket.close();
        mainWindow.getFromServer().close();
        mainWindow.getToServer().close();
    } catch (IOException ex) {
        log.error("ERROR", ex.toString());
    }
}

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From source file:hudson.cli.Connection.java

public Connection(InputStream in, OutputStream out) {
    this.in = in;
    this.out = out;
    this.din = new DataInputStream(in);
    this.dout = new DataOutputStream(out);
}

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From source file:com.snaplogic.snaps.lunex.RequestProcessor.java

public String execute(RequestBuilder rBuilder) throws MalformedURLException, IOException {
    try {/* w ww  . j  a  v  a 2 s.  co m*/
        URL api_url = new URL(rBuilder.getURL());
        HttpURLConnection httpUrlConnection = (HttpURLConnection) api_url.openConnection();
        httpUrlConnection.setRequestMethod(rBuilder.getMethod().toString());
        httpUrlConnection.setDoInput(true);
        httpUrlConnection.setDoOutput(true);
        if (rBuilder.getSnapType() != LunexSnaps.Read) {
            rBuilder.getHeaders().add(Pair.of(CONTENT_LENGTH, rBuilder.getRequestBodyLenght()));
        }
        for (Pair<String, String> header : rBuilder.getHeaders()) {
            if (!StringUtils.isEmpty(header.getKey()) && !StringUtils.isEmpty(header.getValue())) {
                httpUrlConnection.setRequestProperty(header.getKey(), header.getValue());
            }
        }
        log.debug(String.format(LUNEX_HTTP_INFO, rBuilder.getSnapType(), rBuilder.getURL(),
                httpUrlConnection.getRequestProperties().toString()));
        if (rBuilder.getSnapType() != LunexSnaps.Read) {
            String paramsJson = null;
            if (!StringUtils.isEmpty(paramsJson = rBuilder.getRequestBody())) {
                DataOutputStream cgiInput = new DataOutputStream(httpUrlConnection.getOutputStream());
                log.debug(String.format(LUNEX_HTTP_REQ_INFO, paramsJson));
                cgiInput.writeBytes(paramsJson);
                cgiInput.flush();
                IOUtils.closeQuietly(cgiInput);
            }
        }

        List<String> input = null;
        StringBuilder response = new StringBuilder();
        try (InputStream iStream = httpUrlConnection.getInputStream()) {
            input = IOUtils.readLines(iStream);
        } catch (IOException ioe) {
            log.warn(String.format(INPUT_STREAM_ERROR, ioe.getMessage()));
            try (InputStream eStream = httpUrlConnection.getErrorStream()) {
                if (eStream != null) {
                    input = IOUtils.readLines(eStream);
                } else {
                    response.append(String.format(INPUT_STREAM_ERROR, ioe.getMessage()));
                }
            } catch (IOException ioe1) {
                log.warn(String.format(INPUT_STREAM_ERROR, ioe1.getMessage()));
            }
        }
        statusCode = httpUrlConnection.getResponseCode();
        log.debug(String.format(HTTP_STATUS, statusCode));
        if (input != null && !input.isEmpty()) {
            for (String line : input) {
                response.append(line);
            }
        }
        return formatResponse(response, rBuilder);
    } catch (MalformedURLException me) {
        log.error(me.getMessage(), me);
        throw me;
    } catch (IOException ioe) {
        log.error(ioe.getMessage(), ioe);
        throw ioe;
    } catch (Exception ex) {
        log.error(ex.getMessage(), ex);
        throw ex;
    }
}

---

From source file:net.mohatu.bloocoin.miner.SubmitList.java

private void submit() {
    for (int i = 0; i < solved.size(); i++) {
        try {// ww  w.j a  v a2 s  .c  o  m
            Socket sock = new Socket(this.url, this.port);
            String result = new String();
            DataInputStream is = new DataInputStream(sock.getInputStream());
            DataOutputStream os = null;
            BufferedReader in = new BufferedReader(new InputStreamReader(is));
            solution = solved.get(i);
            hash = DigestUtils.sha512Hex(solution);

            String command = "{\"cmd\":\"check" + "\",\"winning_string\":\"" + solution
                    + "\",\"winning_hash\":\"" + hash + "\",\"addr\":\"" + Main.getAddr() + "\"}";
            os = new DataOutputStream(sock.getOutputStream());
            os.write(command.getBytes());

            String inputLine;
            while ((inputLine = in.readLine()) != null) {
                result += inputLine;
            }

            if (result.contains("\"success\": true")) {
                System.out.println("Result: Submitted");
                Main.updateStatusText(solution + " submitted", Color.blue);
                Thread gc = new Thread(new Coins());
                gc.start();
            } else if (result.contains("\"success\": false")) {
                System.out.println("Result: Failed");
                Main.updateStatusText("Submission of " + solution + " failed, already exists!", Color.red);
            }
            is.close();
            os.close();
            os.flush();
            sock.close();
        } catch (UnknownHostException e) {
            e.printStackTrace();
            Main.updateStatusText("Submission of " + solution + " failed, connection failed!", Color.red);
        } catch (IOException e) {
            e.printStackTrace();
            Main.updateStatusText("Submission of " + solution + " failed, connection failed!", Color.red);
        }
    }
    Thread gc = new Thread(new Coins());
    gc.start();
}

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From source file:com.cloudera.dataflow.hadoop.WritableCoder.java

@Override
public void encode(T value, OutputStream outStream, Context context) throws IOException {
    value.write(new DataOutputStream(outStream));
}

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From source file:org.darwinathome.server.controller.HubController.java

@RequestMapping(Hub.AUTHENTICATE_SERVICE)
public void authenticate(@RequestParam(Hub.PARAM_BODY_NAME) String bodyName,
        @RequestParam(Hub.PARAM_PASSWORD) String password, OutputStream outputStream) throws IOException {
    log.info(Hub.AUTHENTICATE_SERVICE);/*w  w w  .j  a va 2  s. c  om*/
    DataOutputStream dos = new DataOutputStream(outputStream);
    Player player = storage.authenticate(bodyName, password);
    if (player != null) {
        PlayerSession session = new PlayerSession(player);
        sessionMap.put(session.getToken(), session);
        dos.writeUTF(Hub.SUCCESS);
        dos.writeUTF(session.getToken());
    } else {
        dos.writeUTF(Hub.FAILURE);
        dos.writeUTF(Failure.AUTHENTICATION.toString());
    }
    dos.close();
}

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From source file:identify.SendMessage.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from   w w  w.j  a v a 2 s  .  c  om*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, ParseException {
    String sender = request.getParameter("sender");
    String receiver = request.getParameter("receiver");
    String message = request.getParameter("body");
    int index = SaveToken.storage.findUsername(receiver);
    System.out.println(index);
    String tokenTo = SaveToken.storage.getData().get(index).getToken();
    JSONObject obj = new JSONObject();
    obj.put("sender", sender);
    obj.put("receiver", receiver);
    obj.put("body", message);
    JSONObject arrayObj = new JSONObject();
    arrayObj.put("to", tokenTo);
    arrayObj.put("data", obj);
    System.out.println(arrayObj.toString());
    String USER_AGENT = "Mozilla/5.0";
    String authKey = "key=AIzaSyBPldzkpB5YtLm3N8cYbdoweqtn5Dk3IfQ";
    String contentType = "application/json";
    String url = "https://fcm.googleapis.com/fcm/send";
    URL connection = new URL(url);
    HttpURLConnection con = (HttpURLConnection) connection.openConnection();

    //add reuqest header
    con.setRequestMethod("POST");
    con.setRequestProperty("User-Agent", USER_AGENT);
    con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
    con.setRequestProperty("Content-Type", contentType);
    con.setRequestProperty("Authorization", authKey);

    String urlParameters = arrayObj.toString();
    // Send post request
    con.setDoOutput(true);
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(urlParameters);
    wr.flush();
    wr.close();

    int responseCode = con.getResponseCode();

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    String inputLine;
    StringBuilder resp = new StringBuilder();
    while ((inputLine = in.readLine()) != null) {
        resp.append(inputLine);
    }
    in.close();
    String acrHeaders = request.getHeader("Access-Control-Request-Headers");
    String acrMethod = request.getHeader("Access-Control-Request-Method");
    response.setHeader("Access-Control-Allow-Origin", "*");
    response.setHeader("Access-Control-Allow-Headers", acrHeaders);
    response.setHeader("Access-Control-Allow-Methods", acrMethod);
    response.setContentType("application/json:charset=UTF-8");
    response.getWriter().write(resp.toString());
}

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From source file:org.darwinathome.server.persistence.impl.WorldHistoryImpl.java

public synchronized Frozen getFrozenWorld() {
    if (frozen == null || (frozen.getAge() < world().getAge())) {
        try {//from   w ww. j a  va 2  s .  c om
            log.info("Freezing...");
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            for (Being being : world().getBeings()) {
                being.getBody().executeTransformations(null);
            }
            world().write(new DataOutputStream(outputStream));
            frozen = new Frozen(outputStream.toByteArray(), world().getAge());
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
    return frozen;
}

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From source file:IntSort.java

public void writeStream(String[] sData, boolean[] bData, int[] iData) {
    try {//from  w  ww .  j a  v  a 2s.  co  m
        // Write data into an internal byte array
        ByteArrayOutputStream strmBytes = new ByteArrayOutputStream();

        // Write Java data types into the above byte array
        DataOutputStream strmDataType = new DataOutputStream(strmBytes);

        byte[] record;

        for (int i = 0; i < sData.length; i++) {
            // Write Java data types      
            strmDataType.writeUTF(sData[i]);
            strmDataType.writeBoolean(bData[i]);
            strmDataType.writeInt(iData[i]);

            // Clear any buffered data
            strmDataType.flush();

            // Get stream data into byte array and write record      
            record = strmBytes.toByteArray();
            rs.addRecord(record, 0, record.length);

            // Toss any data in the internal array so writes 
            // starts at beginning (of the internal array)
            strmBytes.reset();
        }

        strmBytes.close();
        strmDataType.close();

    } catch (Exception e) {
        db(e.toString());
    }
}

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