Example usage for java.io DataOutputStream DataOutputStream

List of usage examples for java.io DataOutputStream DataOutputStream

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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.android.dialer.omni.PlaceUtil.java

/**
 * Executes a post request and return a JSON object
 * @param url The API URL/*www  .  ja v  a 2s  .  c o m*/
 * @param data The data to post in POST field
 * @return the JSON object
 * @throws IOException
 * @throws JSONException
 */
public static JSONObject postJsonRequest(String url, String postData) throws IOException, JSONException {
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

    con.setRequestMethod("POST");

    if (DEBUG)
        Log.d(TAG, "Posting: " + postData + " to " + url);

    // Send post request
    con.setDoOutput(true);
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(postData);
    wr.flush();
    wr.close();

    int responseCode = con.getResponseCode();

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

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

    JSONObject json = new JSONObject(response.toString());
    return json;
}

From source file:com.microsoft.office365.connectmicrosoftgraph.ConnectUnitTests.java

@BeforeClass
public static void getAccessTokenUsingPasswordGrant()
        throws IOException, KeyStoreException, NoSuchAlgorithmException, KeyManagementException, JSONException {
    URL url = new URL(TOKEN_ENDPOINT);
    HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();

    String urlParameters = String.format(
            "grant_type=%1$s&resource=%2$s&client_id=%3$s&username=%4$s&password=%5$s", GRANT_TYPE,
            URLEncoder.encode(Constants.MICROSOFT_GRAPH_API_ENDPOINT_RESOURCE_ID, "UTF-8"), clientId, username,
            password);//  w  w w  . j av  a  2 s  . c  om

    connection.setRequestMethod(REQUEST_METHOD);
    connection.setRequestProperty("Content-Type", CONTENT_TYPE);
    connection.setRequestProperty("Content-Length", String.valueOf(urlParameters.getBytes("UTF-8").length));

    connection.setDoOutput(true);
    DataOutputStream dataOutputStream = new DataOutputStream(connection.getOutputStream());
    dataOutputStream.writeBytes(urlParameters);
    dataOutputStream.flush();
    dataOutputStream.close();

    connection.getResponseCode();

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

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

    JsonParser jsonParser = new JsonParser();
    JsonObject grantResponse = (JsonObject) jsonParser.parse(response.toString());
    accessToken = grantResponse.get("access_token").getAsString();
}

From source file:com.pubkit.network.PubKitNetwork.java

public static JSONObject sendPost(String apiKey, JSONObject jsonObject) {
    URL url;//from ww  w .j a v a2  s. c  om
    HttpURLConnection connection = null;
    try {
        //Create connection
        url = new URL(PUBKIT_API_URL);
        String encodedData = jsonObject.toString();
        byte[] postDataBytes = jsonObject.toString().getBytes("UTF-8");

        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setRequestProperty("Accept", "application/json");
        connection.setRequestProperty("Content-Length", "" + String.valueOf(postDataBytes.length));
        connection.setRequestProperty("api_key", apiKey);

        connection.setUseCaches(false);
        connection.setDoOutput(true);

        //Send request
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(encodedData);//set data
        wr.flush();

        //Get Response
        InputStream inputStream = connection.getErrorStream(); //first check for error.
        if (inputStream == null) {
            inputStream = connection.getInputStream();
        }
        BufferedReader rd = new BufferedReader(new InputStreamReader(inputStream));

        String line;
        StringBuilder response = new StringBuilder();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\r');
        }
        wr.close();
        rd.close();

        String responseString = response.toString();
        if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
            return new JSONObject("{'error':'" + responseString + "'}");
        } else {
            try {
                return new JSONObject(responseString);
            } catch (JSONException e) {
                Log.e("PUBKIT", "Error parsing data", e);
            }
        }
    } catch (Exception e) {
        Log.e("PUBKIT", "Network exception:", e);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
    return null;
}

From source file:cc.aileron.commons.resource.ResourceImpl.java

/**
 * @return byte[]/*from w w w.  j  av a2  s . c  o  m*/
 * @throws IOException
 */
@Override
public byte[] toBytes() throws IOException {
    final BufferedInputStream in = new BufferedInputStream(content.getInputStream());
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final DataOutputStream os = new DataOutputStream(baos);

    byte[] buffer = new byte[8192];
    while (in.read(buffer) != -1) {
        os.write(buffer);
        buffer = new byte[8192];
    }

    return baos.toByteArray();
}

From source file:com.px100systems.util.serialization.DataStream.java

public DataStream() {
    os = new ByteArrayOutputStream(1024);
    dos = new DataOutputStream(os);
}

From source file:com.gagein.crawler.FileDownLoader.java

/**
 * ? filePath ???//  w w  w  .  ja  v a 2  s  .c om
 */
private void saveToLocal(byte[] data, String filePath) {
    try {
        System.out.println("========SaveToLocal========filePath===" + filePath);
        DataOutputStream out = new DataOutputStream(new FileOutputStream(new File(filePath)));
        for (int i = 0; i < data.length; i++)
            out.write(data[i]);
        out.flush();
        out.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.snaker.ocr.TesseractOCR.java

@Override
public String recognize(byte[] image) throws OCRException {
    if (tessExecutable == null) {
        tessExecutable = getDefaultTessExecutable();
    }/*from  ww w.j  a v a2s.  c om*/

    File source = null;
    File dest = null;
    try {
        String prefix = System.nanoTime() + "";
        source = File.createTempFile(prefix, ".jpg");
        DataOutputStream dos = new DataOutputStream(new FileOutputStream(source));
        dos.write(image);
        dos.flush();
        dos.close();
        String sourceFileName = source.getAbsolutePath();
        Process p = Runtime.getRuntime().exec(String.format("%s %s %s -l eng nobatch digits", tessExecutable,
                sourceFileName, sourceFileName));
        String destFileName = sourceFileName + ".txt";
        dest = new File(destFileName);
        int result = p.waitFor();
        if (result == 0) {
            BufferedReader in = new BufferedReader(new FileReader(dest));
            StringBuilder sb = new StringBuilder();
            String str;
            while ((str = in.readLine()) != null) {
                sb.append(str).append("\n");
            }
            in.close();
            return sb.toString().trim();
        } else {
            String msg;
            switch (result) {
            case 1:
                msg = "Errors accessing files. There may be spaces in your image's filename.";
                break;
            case 29:
                msg = "Cannot recognize the image or its selected region.";
                break;
            case 31:
                msg = "Unsupported image format.";
                break;
            default:
                msg = "Errors occurred.";
            }
            throw new OCRException(msg);
        }
    } catch (IOException e) {
        throw new OCRException("recognize failed", e);
    } catch (InterruptedException e) {
        logger.error("interrupted", e);
    } finally {
        if (source != null) {
            source.delete();
        }
        if (dest != null) {
            dest.delete();
        }
    }
    return null;
}

From source file:io.v.positioning.gae.ServletPostAsyncTask.java

@Override
protected String doInBackground(Context... params) {
    mContext = params[0];/*  ww  w .  j  a  va2  s  .  c o m*/
    DataOutputStream os = null;
    InputStream is = null;
    try {
        URLConnection conn = mUrl.openConnection();
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setUseCaches(false);
        conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
        conn.connect();
        os = new DataOutputStream(conn.getOutputStream());
        os.write(mData.toString().getBytes("UTF-8"));
        is = conn.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        return br.readLine();
    } catch (IOException e) {
        return "IOException while contacting GEA: " + e.getMessage();
    } catch (Exception e) {
        return "Exception while contacting GEA: " + e.getLocalizedMessage();
    } finally {
        if (os != null)
            try {
                os.close();
            } catch (IOException e) {
                return "IOException closing os: " + e.getMessage();
            }
        if (is != null)
            try {
                is.close();
            } catch (IOException e) {
                return "IOException closing is: " + e.getMessage();
            }
    }
}

From source file:gaffer.serialisation.implementation.raw.CompactRawLongSerialiserTest.java

private static void test(final long value) throws SerialisationException {
    final byte[] b = SERIALISER.serialise(value);
    final Object o = SERIALISER.deserialise(b);
    assertEquals(Long.class, o.getClass());
    assertEquals(value, o);//from w w  w.j av  a2 s . c o m
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CompactRawSerialisationUtils.write(value, new DataOutputStream(baos));
    final long result = CompactRawSerialisationUtils
            .read(new DataInputStream(new ByteArrayInputStream(baos.toByteArray())));
    assertEquals(result, value);
}

From source file:bankingclient.DNFrame.java

public DNFrame(MainFrame vmain) {

    initComponents();/* w w  w.  j  a v a  2  s .co m*/

    this.jTextField1.setText("");
    this.jTextField2.setText("");
    this.jTextField_cmt.setText("");
    this.jTextField_sdt.setText("");

    this.main = vmain;
    noAcc = new NewOrOldAccFrame(this);
    this.setVisible(false);
    jL_sdt.setVisible(false);
    jL_cmtnd.setVisible(false);
    jTextField_cmt.setVisible(false);
    jTextField_sdt.setVisible(false);

    jBt_dn.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            if (!jCheck_qmk.isSelected()) {
                try {
                    Socket client = new Socket("113.22.46.207", 6013);
                    DataOutputStream dout = new DataOutputStream(client.getOutputStream());
                    dout.writeByte(2);
                    dout.writeUTF(jTextField1.getText() + "\n" + jTextField2.getText());
                    dout.flush();
                    while (true) {
                        break;
                    }
                    DataInputStream din = new DataInputStream(client.getInputStream());
                    byte check = din.readByte();
                    if (check == 1) {
                        noAcc.setVisible(true);
                        DNFrame.this.setVisible(false);
                        noAcc.setMainCustomer(jTextField1.getText());

                    } else {
                        JOptionPane.showMessageDialog(new JFrame(),
                                "Tn ?ang Nhp Khng Tn Ti, hoac mat khau sai");
                    }

                } catch (Exception ex) {
                    ex.printStackTrace();
                    JOptionPane.showMessageDialog(rootPane, "C Li Kt Ni Mng....");
                }
            } else if ((!jTextField_cmt.getText().equals("")) && (!jTextField_sdt.getText().equals(""))
                    && (NumberUtils.isNumber(jTextField_cmt.getText()))
                    && (NumberUtils.isNumber(jTextField_sdt.getText()))) {
                try {
                    Socket client = new Socket("113.22.46.207", 6013);
                    DataOutputStream dout = new DataOutputStream(client.getOutputStream());
                    dout.writeByte(9);
                    dout.writeUTF(jTextField1.getText() + "\n" + jTextField_sdt.getText() + "\n"
                            + jTextField_cmt.getText());
                    dout.flush();
                    DataInputStream din = new DataInputStream(client.getInputStream());
                    byte check = din.readByte();
                    if (check == 1) {
                        noAcc.setVisible(true);
                        DNFrame.this.setVisible(false);
                        noAcc.setMainCustomer(jTextField1.getText());
                    } else {
                        JOptionPane.showMessageDialog(new JFrame(), "Khong dang nhap duoc, thong tin sai");
                    }
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
            } else {
                JOptionPane.showMessageDialog(new JFrame(), "Can dien day du thong tin va dung mau");
            }
        }
    });
    jBt_ql.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            main.setVisible(true);
            DNFrame.this.setVisible(false);
        }
    });
    jCheck_qmk.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            if (jCheck_qmk.isSelected()) {
                jL_sdt.setVisible(true);
                jL_cmtnd.setVisible(true);
                jTextField_cmt.setVisible(true);
                jTextField_sdt.setVisible(true);
            } else {
                jL_sdt.setVisible(false);
                jL_cmtnd.setVisible(false);
                jTextField_cmt.setVisible(false);
                jTextField_sdt.setVisible(false);
            }
        }
    });
}