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:bankingclient.TaoTaiKhoanFrame.java

public TaoTaiKhoanFrame(NewOrOldAccFrame acc) {

    initComponents();/* www.j ava 2  s.  c  om*/
    this.jText_ten_tk.setText("");
    this.jText_sd.setText("");

    this.noAcc = acc;
    this.mainCustomerName = null;
    this.setVisible(false);

    jBt_ht.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            if (NumberUtils.isNumber(jText_sd.getText()) && (Long.parseLong(jText_sd.getText()) > 0)) {
                try {
                    Socket client = new Socket("113.22.46.207", 6013);
                    DataOutputStream dout = new DataOutputStream(client.getOutputStream());
                    dout.writeByte(3);
                    dout.writeUTF(jText_ten_tk.getText() + "\n" + mainCustomerName + "\n" + jText_sd.getText());
                    dout.flush();
                    DataInputStream din = new DataInputStream(client.getInputStream());
                    byte check = din.readByte();
                    if (check == 1) {
                        JOptionPane.showMessageDialog(rootPane, "da tao tai khoan thanh cong");
                    } else {
                        JOptionPane.showMessageDialog(rootPane, "tao tai khoan khong thanh cong");
                    }
                    client.close();
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
                noAcc.setVisible(true);
                TaoTaiKhoanFrame.this.setVisible(false);
            } else {
                JOptionPane.showMessageDialog(rootPane, "Can nhap lai so tien gui");
            }

        }
    });
    jBt_ql.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            noAcc.setVisible(true);
            TaoTaiKhoanFrame.this.setVisible(false);

        }
    });
}

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From source file:ict.servlet.UploadToServer.java

public static int upLoad2Server(String sourceFileUri) {
    String upLoadServerUri = "http://vbacdu.ddns.net:8080/WBS/newjsp.jsp";
    // String [] string = sourceFileUri;
    String fileName = sourceFileUri;
    int serverResponseCode = 0;

    HttpURLConnection conn = null;
    DataOutputStream dos = null;/*  www  .ja v  a2  s . co  m*/
    DataInputStream inStream = null;
    String lineEnd = "\r\n";
    String twoHyphens = "--";
    String boundary = "*****";
    int bytesRead, bytesAvailable, bufferSize;
    byte[] buffer;
    int maxBufferSize = 1 * 1024 * 1024;
    String responseFromServer = "";

    File sourceFile = new File(sourceFileUri);
    if (!sourceFile.isFile()) {

        return 0;
    }
    try { // open a URL connection to the Servlet
        FileInputStream fileInputStream = new FileInputStream(sourceFile);
        URL url = new URL(upLoadServerUri);
        conn = (HttpURLConnection) url.openConnection(); // Open a HTTP  connection to  the URL
        conn.setDoInput(true); // Allow Inputs
        conn.setDoOutput(true); // Allow Outputs
        conn.setUseCaches(false); // Don't use a Cached Copy
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.setRequestProperty("ENCTYPE", "multipart/form-data");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
        conn.setRequestProperty("uploaded_file", fileName);
        dos = new DataOutputStream(conn.getOutputStream());

        dos.writeBytes(twoHyphens + boundary + lineEnd);
        dos.writeBytes("Content-Disposition: form-data; name=\"uploaded_file\";filename=\"" + fileName + "\""
                + lineEnd);
        dos.writeBytes(lineEnd);

        bytesAvailable = fileInputStream.available(); // create a buffer of  maximum size

        bufferSize = Math.min(bytesAvailable, maxBufferSize);
        buffer = new byte[bufferSize];

        // read file and write it into form...
        bytesRead = fileInputStream.read(buffer, 0, bufferSize);

        while (bytesRead > 0) {
            dos.write(buffer, 0, bufferSize);
            bytesAvailable = fileInputStream.available();
            bufferSize = Math.min(bytesAvailable, maxBufferSize);
            bytesRead = fileInputStream.read(buffer, 0, bufferSize);
        }

        // send multipart form data necesssary after file data...
        dos.writeBytes(lineEnd);
        dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

        // Responses from the server (code and message)
        serverResponseCode = conn.getResponseCode();
        String serverResponseMessage = conn.getResponseMessage();

        m_log.info("Upload file to server" + "HTTP Response is : " + serverResponseMessage + ": "
                + serverResponseCode);
        // close streams
        m_log.info("Upload file to server" + fileName + " File is written");
        fileInputStream.close();
        dos.flush();
        dos.close();
    } catch (MalformedURLException ex) {
        //         ex.printStackTrace();
        m_log.error("Upload file to server" + "error: " + ex.getMessage(), ex);
    } catch (Exception e) {
        //      e.printStackTrace();
    }
    //this block will give the response of upload link
    /* try {
      BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
      String line;
      while ((line = rd.readLine()) != null) {
      m_log.info("Huzza" + "RES Message: " + line);
      }
      rd.close();
      } catch (IOException ioex) {
      m_log.error("Huzza" + "error: " + ioex.getMessage(), ioex);
      }*/
    return serverResponseCode; // like 200 (Ok)

}

---

From source file:delete.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//from w  w  w  .ja va  2 s  . c o  m
 *
 * @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 {
    response.setContentType("text/html;charset=UTF-8");

    Socket s = new Socket("localhost", 9999);

    DataInputStream in = new DataInputStream(s.getInputStream());
    DataOutputStream outD = new DataOutputStream(s.getOutputStream());

    outD.writeUTF(request.getParameter("employee_id"));

    in.readUTF();

    s.close();

    try (PrintWriter out = response.getWriter()) {
        /* TODO output your page here. You may use following sample code. */

        out.println("Deleted");
    }
}

---

From source file:com.tc.simple.apn.factories.PushByteFactory.java

@Override
public byte[] buildPushBytes(int id, Payload payload) {
    byte[] byteMe = null;
    ByteArrayOutputStream baos = null;
    DataOutputStream dos = null;/*w ww  .  j ava 2s.c o  m*/

    try {
        baos = new ByteArrayOutputStream();

        dos = new DataOutputStream(baos);

        int expiry = 0; // (int) ((System.currentTimeMillis () / 1000L) + 7200);

        char[] cars = payload.getToken().trim().toCharArray();

        byte[] tokenBytes = Hex.decodeHex(cars);

        //command
        dos.writeByte(1);

        //id
        dos.writeInt(id);

        //expiry
        dos.writeInt(expiry);

        //token length.
        dos.writeShort(tokenBytes.length);

        //token
        dos.write(tokenBytes);

        //payload length
        dos.writeShort(payload.getJson().length());

        logger.log(Level.FINE, payload.getJson());

        //payload.
        dos.write(payload.getJson().getBytes());

        byteMe = baos.toByteArray();

    } catch (Exception e) {
        logger.log(Level.SEVERE, null, e);

    } finally {
        CloseUtils.close(dos);
        CloseUtils.close(baos);
    }

    return byteMe;

}

---

From source file:net.indialend.web.component.GCMComponent.java

public void setMessage(User user, String deactivate) {

    try {//from www.  j ava 2 s.c  o m
        URL obj = new URL(serviceUrl);
        HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();

        //add reuqest header
        con.setRequestMethod("POST");
        con.setRequestProperty("Content-Type", "application/json");
        con.setRequestProperty("Authorization", "key=" + API_KEY);

        String urlParameters = "{" + "   \"data\": {" + "     \"deactivate\": \"" + deactivate + "\"," + "   },"
                + "   \"to\": \"" + user.getGcmToken() + "\"" + " }";

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.write(urlParameters.getBytes("UTF-8"));
        wr.flush();
        wr.close();

        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + serviceUrl);
        System.out.println("Post parameters : " + urlParameters);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        //print result
        System.out.println(response.toString());
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:com.netflix.zeno.hash.HashOrderDependent.java

public HashOrderDependent() {
    try {/*from   w ww .j ava 2 s  .com*/
        digest = MessageDigest.getInstance("MD5");
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
    digestOutputStream = new DigestOutputStream(NullOutputStream.NULL_OUTPUT_STREAM, digest);
    dataOutputStream = new DataOutputStream(digestOutputStream);
}

---

From source file:com.offbynull.peernetic.debug.visualizer.XStreamRecorder.java

/**
 * Constructs a {@link XStreamRecorder} object.
 * @param os output stream/*ww w.ja v a 2s .  co m*/
 * @throws NullPointerException if any arguments are {@code null}
 */
public XStreamRecorder(OutputStream os) {
    Validate.notNull(os);

    this.os = new DataOutputStream(os);
    xstream = new XStream();
}

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

/**
 * (non-Javadoc)// ww w .ja  v a2  s .  c o m
 * 
 * @see org.jmangos.sniffer.handler.PacketLogHandler#init()
 */
@Override
public void init() {
    final String date = String.format("%X", System.currentTimeMillis());
    try {
        this.fous = new DataOutputStream(new FileOutputStream(new File(this.build + "_" + date + ".dmp")));
        setInit(true);
    } catch (final FileNotFoundException e) {
        e.printStackTrace();
    }
}

---

From source file:software.uncharted.util.HTTPUtil.java

public static String post(String urlToRead, String postData) {
    URL url;//ww  w.j  a  v a2  s .  com
    HttpURLConnection conn;
    try {
        url = new URL(urlToRead);
        conn = (HttpURLConnection) url.openConnection();

        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        conn.setRequestProperty("Content-Type", "application/json");

        DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
        wr.writeBytes(postData);
        wr.flush();
        wr.close();

        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        int nRead;
        byte[] data = new byte[16384];
        InputStream is = conn.getInputStream();
        while ((nRead = is.read(data, 0, data.length)) != -1) {
            buffer.write(data, 0, nRead);
        }
        buffer.flush();
        return buffer.toString();
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Failed to read URL: " + urlToRead + " <" + e.getMessage() + ">");
    }
    return null;
}

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From source file:ml.shifu.shifu.core.dtrain.dt.BinaryDTSerializer.java

public static void save(ModelConfig modelConfig, List<ColumnConfig> columnConfigList,
        List<List<TreeNode>> baggingTrees, String loss, int inputCount, OutputStream output)
        throws IOException {
    DataOutputStream fos = null;/* www. j a v a 2 s .  co  m*/

    try {
        fos = new DataOutputStream(new GZIPOutputStream(output));
        // version
        fos.writeInt(CommonConstants.TREE_FORMAT_VERSION);
        fos.writeUTF(modelConfig.getAlgorithm());
        fos.writeUTF(loss);
        fos.writeBoolean(modelConfig.isClassification());
        fos.writeBoolean(modelConfig.getTrain().isOneVsAll());
        fos.writeInt(inputCount);

        Map<Integer, String> columnIndexNameMapping = new HashMap<Integer, String>();
        Map<Integer, List<String>> columnIndexCategoricalListMapping = new HashMap<Integer, List<String>>();
        Map<Integer, Double> numericalMeanMapping = new HashMap<Integer, Double>();
        for (ColumnConfig columnConfig : columnConfigList) {
            if (columnConfig.isFinalSelect()) {
                columnIndexNameMapping.put(columnConfig.getColumnNum(), columnConfig.getColumnName());
            }
            if (columnConfig.isCategorical() && CollectionUtils.isNotEmpty(columnConfig.getBinCategory())) {
                columnIndexCategoricalListMapping.put(columnConfig.getColumnNum(),
                        columnConfig.getBinCategory());
            }

            if (columnConfig.isNumerical() && columnConfig.getMean() != null) {
                numericalMeanMapping.put(columnConfig.getColumnNum(), columnConfig.getMean());
            }
        }

        if (columnIndexNameMapping.size() == 0) {
            boolean hasCandidates = CommonUtils.hasCandidateColumns(columnConfigList);
            for (ColumnConfig columnConfig : columnConfigList) {
                if (CommonUtils.isGoodCandidate(columnConfig, hasCandidates)) {
                    columnIndexNameMapping.put(columnConfig.getColumnNum(), columnConfig.getColumnName());
                }
            }
        }

        // serialize numericalMeanMapping
        fos.writeInt(numericalMeanMapping.size());
        for (Entry<Integer, Double> entry : numericalMeanMapping.entrySet()) {
            fos.writeInt(entry.getKey());
            // for some feature, it is null mean value, it is not selected, just set to 0d to avoid NPE
            fos.writeDouble(entry.getValue() == null ? 0d : entry.getValue());
        }
        // serialize columnIndexNameMapping
        fos.writeInt(columnIndexNameMapping.size());
        for (Entry<Integer, String> entry : columnIndexNameMapping.entrySet()) {
            fos.writeInt(entry.getKey());
            fos.writeUTF(entry.getValue());
        }
        // serialize columnIndexCategoricalListMapping
        fos.writeInt(columnIndexCategoricalListMapping.size());
        for (Entry<Integer, List<String>> entry : columnIndexCategoricalListMapping.entrySet()) {
            List<String> categories = entry.getValue();
            if (categories != null) {
                fos.writeInt(entry.getKey());
                fos.writeInt(categories.size());
                for (String category : categories) {
                    // There is 16k limitation when using writeUTF() function.
                    // if the category value is larger than 10k, write a marker -1 and write bytes instead of
                    // writeUTF;
                    // in read part logic should be changed also to readByte not readUTF according to the marker
                    if (category.length() < Constants.MAX_CATEGORICAL_VAL_LEN) {
                        fos.writeUTF(category);
                    } else {
                        fos.writeShort(UTF_BYTES_MARKER); // marker here
                        byte[] bytes = category.getBytes("UTF-8");
                        fos.writeInt(bytes.length);
                        for (int i = 0; i < bytes.length; i++) {
                            fos.writeByte(bytes[i]);
                        }
                    }
                }
            }
        }

        Map<Integer, Integer> columnMapping = getColumnMapping(columnConfigList);
        fos.writeInt(columnMapping.size());
        for (Entry<Integer, Integer> entry : columnMapping.entrySet()) {
            fos.writeInt(entry.getKey());
            fos.writeInt(entry.getValue());
        }

        // after model version 4 (>=4), IndependentTreeModel support bagging, here write a default RF/GBT size 1
        fos.writeInt(baggingTrees.size());
        for (int i = 0; i < baggingTrees.size(); i++) {
            List<TreeNode> trees = baggingTrees.get(i);
            int treeLength = trees.size();
            fos.writeInt(treeLength);
            for (TreeNode treeNode : trees) {
                treeNode.write(fos);
            }
        }
    } catch (IOException e) {
        LOG.error("Error in writing output.", e);
    } finally {
        IOUtils.closeStream(fos);
    }
}

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