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:net.mohatu.bloocoin.miner.RegCustom.java

private void register() {
    try {//from  w  w  w.j  a v  a  2 s.co  m
        String result = new String();
        Socket sock = new Socket(this.url, this.port);
        String command = "{\"cmd\":\"register" + "\",\"addr\":\"" + addr + "\",\"pwd\":\"" + key + "\"}";
        DataInputStream is = new DataInputStream(sock.getInputStream());
        DataOutputStream os = new DataOutputStream(sock.getOutputStream());
        os.write(command.getBytes());
        os.flush();

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

        is.close();
        os.close();
        sock.close();
        System.out.println(result);
        if (result.contains("\"success\": true")) {
            System.out.println("Registration successful: " + addr);
            saveBloostamp();
        } else if (result.contains("\"success\": false")) {
            System.out.println("Result: Failed");
            JOptionPane.showMessageDialog(Main.scrollPane,
                    "Registration failed.\nCheck your network connection", "Registration Failed",
                    JOptionPane.ERROR_MESSAGE);
            System.exit(0);
        }
    } catch (UnknownHostException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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

private void register() {
    try {//  w  ww .  java2  s.c om
        String result = new String();
        Socket sock = new Socket(this.url, this.port);
        String command = "{\"cmd\":\"register" + "\",\"addr\":\"" + addr + "\",\"pwd\":\"" + key + "\"}";
        DataInputStream is = new DataInputStream(sock.getInputStream());
        DataOutputStream os = new DataOutputStream(sock.getOutputStream());
        os.write(command.getBytes());
        os.flush();

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

        is.close();
        os.close();
        sock.close();
        System.out.println(result);
        if (result.contains("\"success\": true")) {
            System.out.println("Registration successful: " + addr);
            saveBloostamp();
        } else if (result.contains("\"success\": false")) {
            System.out.println("Result: Failed");
            MainView.updateStatusText("Registration failed. ");
            System.exit(0);
        }
    } catch (UnknownHostException e) {
        System.out.println("Error: Unknown host.");
    } catch (IOException e) {
        System.out.println("Error: Network error.");
    }
}

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From source file:dualcontrol.CryptoHandler.java

public void handle(DualControlKeyStoreSession dualControl, Socket socket) throws Exception {
    try {//  w ww .j  a v a2s .  co m
        this.dualControl = dualControl;
        DataInputStream dis = new DataInputStream(socket.getInputStream());
        int length = dis.readShort();
        byte[] bytes = new byte[length];
        dis.readFully(bytes);
        String data = new String(bytes);
        String[] fields = data.split(":");
        String mode = fields[0];
        String alias = fields[1];
        this.dos = new DataOutputStream(socket.getOutputStream());
        if (mode.equals("GETKEY")) {
            if (enableGetKey) {
                SecretKey key = dualControl.loadKey(alias);
                dos.writeUTF(key.getAlgorithm());
                write(key.getEncoded());
            }
        } else {
            cipher(mode, alias, fields[2], fields[3], fields[4]);
        }
    } finally {
        dos.close();
    }
}

---

From source file:com.pinterest.deployservice.events.EventSenderImpl.java

public void sendDeployEvent(String what, String tags, String data) throws Exception {
    JsonObject object = new JsonObject();
    object.addProperty("what", what);
    object.addProperty("tags", tags);
    object.addProperty("data", data);
    final String paramsToSend = object.toString();
    DataOutputStream output = null;
    HttpURLConnection connection = null;
    int retry = 0;
    while (retry < TOTAL_RETRY) {
        try {/*from w  ww . j a va 2  s  .com*/
            URL requestUrl = new URL(this.URL);
            connection = (HttpURLConnection) requestUrl.openConnection();
            connection.setDoOutput(true);

            connection.setRequestProperty("Content-Type", "application/json; charset=utf8");
            connection.setRequestProperty("Content-Length", Integer.toString(paramsToSend.getBytes().length));
            connection.setRequestProperty("Content-Language", "en-US");
            connection.setRequestMethod("POST");
            output = new DataOutputStream(connection.getOutputStream());
            output.writeBytes(paramsToSend);
            output.flush();
            output.close();
            String result = IOUtils.toString(connection.getInputStream(), "UTF-8").toLowerCase();
            LOG.info("Successfully send events to the statsboard: " + result);
            return;
        } catch (Exception e) {
            LOG.error("Failed to send event", e);
        } finally {
            IOUtils.closeQuietly(output);
            if (connection != null) {
                connection.disconnect();
            }
            retry++;
        }
    }
    throw new DeployInternalException("Failed to send event");
}

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From source file:com.koda.common.lcm.Tool.java

public static void toFile(String fn, Serializable obj) throws IOException {
    FileOutputStream fos = new FileOutputStream(fn);
    DataOutputStream dos = new DataOutputStream(fos);
    dos.writeUTF(doObject(obj));//w  w  w . j  ava 2  s  .c  om

}

---

From source file:com.example.networkPacketFormats.ServeFunction.java

public ServeFunction(Socket s, Connection con) {
    this.con = con;
    sock = s;/*from   www. j a  v a2 s. c o  m*/
    try {
        /*
        Get the input stream
        */
        inFromClient = new BufferedReader(new InputStreamReader(sock.getInputStream()));
        /*
        Get the Output stream
        */
        outToClient = new DataOutputStream(sock.getOutputStream());

    } catch (IOException ex) {
        Logger.getLogger(ServeFunction.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:com.cloudmaster.cmp.util.AlarmSystem.transfer.HttpSender.java

public ResponseObject send(TransportObject object) throws Exception {
    ResponseObject rs = new ResponseObject();
    ByteArrayOutputStream bOs = null;
    DataOutputStream dOs = null;/*from  w  w w .  j  a va 2s . co m*/
    DataInputStream dIs = null;
    HttpClient client;
    PostMethod meth = null;
    byte[] rawData;
    try {
        bOs = new ByteArrayOutputStream();
        dOs = new DataOutputStream(bOs);
        object.toStream(dOs);
        bOs.flush();
        rawData = bOs.toByteArray();

        client = new HttpClient();
        client.setConnectionTimeout(this.timeout);
        client.setTimeout(this.datatimeout);
        client.setHttpConnectionFactoryTimeout(this.timeout);

        meth = new PostMethod(object.getValue(SERVER_URL));
        // meth = new UTF8PostMethod(url);
        meth.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, ENCODING);
        // meth.addParameter(SERVER_ARGS, new String(rawData,"UTF-8"));

        // meth.setRequestBody(new String(rawData));
        // meth.setRequestBody(new String(rawData,"UTF-8"));

        byte[] base64Array = Base64.encode(rawData).getBytes();
        meth.setRequestBody(new String(base64Array));

        // System.out.println(new String(rawData));

        client.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
                new DefaultHttpMethodRetryHandler(1, false));
        client.executeMethod(meth);

        dIs = new DataInputStream(meth.getResponseBodyAsStream());

        if (meth.getStatusCode() == HttpStatus.SC_OK) {

            Header errHeader = meth.getResponseHeader(HDR_ERROR);

            if (errHeader != null) {
                rs.setError(meth.getResponseBodyAsString());
                return rs;
            }

            rs = ResponseObject.fromStream(dIs);

            return rs;
        } else {
            meth.releaseConnection();
            throw new IOException("Connection failure: " + meth.getStatusLine().toString());
        }
    } finally {
        if (meth != null) {
            meth.releaseConnection();
        }
        if (bOs != null) {
            bOs.close();
        }
        if (dOs != null) {
            dOs.close();
        }
        if (dIs != null) {
            dIs.close();
        }
    }
}

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From source file:MethodHashing.java

public static long methodHash(Method method) throws Exception {
    Class[] parameterTypes = method.getParameterTypes();
    String methodDesc = method.getName() + "(";
    for (int j = 0; j < parameterTypes.length; j++) {
        methodDesc += getTypeString(parameterTypes[j]);
    }//from  w w w. j a va  2  s . co m
    methodDesc += ")" + getTypeString(method.getReturnType());

    long hash = 0;
    ByteArrayOutputStream bytearrayoutputstream = new ByteArrayOutputStream(512);
    MessageDigest messagedigest = MessageDigest.getInstance("SHA");
    DataOutputStream dataoutputstream = new DataOutputStream(
            new DigestOutputStream(bytearrayoutputstream, messagedigest));
    dataoutputstream.writeUTF(methodDesc);
    dataoutputstream.flush();
    byte abyte0[] = messagedigest.digest();
    for (int j = 0; j < Math.min(8, abyte0.length); j++)
        hash += (long) (abyte0[j] & 0xff) << j * 8;
    return hash;
}

---

From source file:com.base2.kagura.core.authentication.RestAuthentication.java

public InputStream httpPost(String suffix, HashMap<String, String> values) {
    try {// ww  w . ja v a2  s  .  c  o m
        URL obj = new URL(url + "/" + suffix);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        con.setRequestMethod("POST");

        String data = new ObjectMapper().writeValueAsString(values);

        con.setRequestProperty("Content-Type", "application/json");
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(data);
        wr.flush();
        wr.close();

        int responseCode = con.getResponseCode();
        if (responseCode != 200)
            throw new Exception("Got error code: " + responseCode);
        return con.getInputStream();
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

---

From source file:org.jmangos.sniffer.handler.PKTLogHandler.java

@Override
public void init() {
    final String date = String.format("%X", System.currentTimeMillis());
    final ByteBuffer buffer = ByteBuffer.allocate(66);
    buffer.order(ByteOrder.LITTLE_ENDIAN);
    buffer.put("PKT".getBytes());
    buffer.put((byte) 1);
    buffer.put((byte) 3);
    buffer.put((byte) 12);
    buffer.putInt(this.build);
    buffer.put("xxXX".getBytes());
    buffer.put(this.keyReader.getKey());
    buffer.putInt((int) (System.currentTimeMillis() / 1000L));
    buffer.putInt(0);//from   w  ww .  j  a v a2 s  .co  m
    buffer.putInt(0);
    try {
        this.fous = new DataOutputStream(new FileOutputStream(new File(this.build + "_" + date + ".pkt")));
        this.fous.write(buffer.array());
        setInit(true);
    } catch (final FileNotFoundException e) {
        e.printStackTrace();
    } catch (final IOException e) {
        e.printStackTrace();
    }
}

---

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