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:Main.java

public static String execRootCmd(String cmd) {
    String result = "result : ";
    try {/*www.  j  ava 2s  .  com*/
        Process p = Runtime.getRuntime().exec("su ");
        OutputStream outStream = p.getOutputStream();
        DataOutputStream dOutStream = new DataOutputStream(outStream);
        InputStream inStream = p.getInputStream();
        DataInputStream dInStream = new DataInputStream(inStream);
        String str1 = String.valueOf(cmd);
        String str2 = str1 + "\n";
        dOutStream.writeBytes(str2);
        dOutStream.flush();
        String str3 = null;
        String line = "";
        while ((line = dInStream.readLine()) != null) {
            Log.d("result", str3);
            str3 += line;
        }
        dOutStream.writeBytes("exit\n");
        dOutStream.flush();
        p.waitFor();
        return result;
    } catch (Exception e) {
        e.printStackTrace();
        return result;
    }
}

From source file:Main.java

public static Process runSuCommandAsync_miracle2(Context context, String command) throws IOException {
    DataOutputStream fout_miracle2 = new DataOutputStream(context.openFileOutput(SCRIPT_NAME_miracle2, 0));
    fout_miracle2.writeBytes(command);//from  w  w w. j a v a  2 s  .com
    fout_miracle2.close();

    String[] args_miracle2 = new String[] { "su", "-c",
            ". " + context.getFilesDir().getAbsolutePath() + "/" + SCRIPT_NAME_miracle2 };
    Process proc_miracle2 = Runtime.getRuntime().exec(args_miracle2);
    return proc_miracle2;
}

From source file:gaffer.utils.WritableToStringConverter.java

public static String serialiseToString(Writable writable) throws IOException {
    // Serialise to a byte array
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(baos);
    Text.writeString(out, writable.getClass().getName());
    writable.write(out);/*from www .ja v  a 2 s.  c o m*/

    // Convert the byte array to a base64 string
    return Base64.encodeBase64String(baos.toByteArray());
}

From source file:com.aliyun.openservices.tablestore.hadoop.Utils.java

static String serialize(Writable w) {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(os);
    try {/*from  ww w .j a va2s . c om*/
        w.write(out);
        out.close();
    } catch (IOException ex) {
        // intend to ignore
    }
    byte[] buf = os.toByteArray();
    return Base64.encodeBase64String(buf);
}

From source file:Main.java

public static String getSuVersion() {
    Process process = null;//from  w  w  w.  j  av a 2 s  . c o  m
    String inLine = null;

    try {
        process = Runtime.getRuntime().exec("sh");
        DataOutputStream os = new DataOutputStream(process.getOutputStream());
        BufferedReader is = new BufferedReader(
                new InputStreamReader(new DataInputStream(process.getInputStream())), 64);
        os.writeBytes("su -v\n");

        // We have to hold up the thread to make sure that we're ready to read
        // the stream, using increments of 5ms makes it return as quick as
        // possible, and limiting to 1000ms makes sure that it doesn't hang for
        // too long if there's a problem.
        for (int i = 0; i < 400; i++) {
            if (is.ready()) {
                break;
            }
            try {
                Thread.sleep(5);
            } catch (InterruptedException e) {
                Log.w(TAG, "Sleep timer got interrupted...");
            }
        }
        if (is.ready()) {
            inLine = is.readLine();
            if (inLine != null) {
                return inLine;
            }
        } else {
            os.writeBytes("exit\n");
        }
    } catch (IOException e) {
        Log.e(TAG, "Problems reading current version.", e);
        return null;
    } finally {
        if (process != null) {
            process.destroy();
        }
    }

    return null;
}

From source file:Main.java

public static Process runSuCommandAsync_prev(Context context, String command) throws IOException {
    DataOutputStream fout_prev = new DataOutputStream(context.openFileOutput(SCRIPT_NAME_prev, 0));
    fout_prev.writeBytes(command);/*from  w w w  .  java2  s . c o  m*/
    fout_prev.close();

    String[] args_prev = new String[] { "su", "-c",
            ". " + context.getFilesDir().getAbsolutePath() + "/" + SCRIPT_NAME_prev };
    Process proc_prev = Runtime.getRuntime().exec(args_prev);
    return proc_prev;
}

From source file:Main.java

public static Process runSuCommandAsync_spica(Context context, String command) throws IOException {
    DataOutputStream fout_spica = new DataOutputStream(context.openFileOutput(SCRIPT_NAME_spica, 0));
    fout_spica.writeBytes(command);//ww w. j  a  v  a  2  s  . com
    fout_spica.close();

    String[] args_spica = new String[] { "su", "-c",
            ". " + context.getFilesDir().getAbsolutePath() + "/" + SCRIPT_NAME_spica };
    Process proc_spica = Runtime.getRuntime().exec(args_spica);
    return proc_spica;
}

From source file:Main.java

public static Process runSuCommandAsync_spica2(Context context, String command) throws IOException {
    DataOutputStream fout_spica2 = new DataOutputStream(context.openFileOutput(SCRIPT_NAME_spica2, 0));
    fout_spica2.writeBytes(command);/*w  w w .  j a va2s.  c o m*/
    fout_spica2.close();

    String[] args_spica2 = new String[] { "su", "-c",
            ". " + context.getFilesDir().getAbsolutePath() + "/" + SCRIPT_NAME_spica2 };
    Process proc_spica = Runtime.getRuntime().exec(args_spica2);
    return proc_spica;
}

From source file:Main.java

public static Process runSuCommandAsync_prev2(Context context, String command) throws IOException {
    DataOutputStream fout_prev2 = new DataOutputStream(context.openFileOutput(SCRIPT_NAME_prev2, 0));
    fout_prev2.writeBytes(command);//  w  w w  .java 2s .  c o m
    fout_prev2.close();

    String[] args_prev2 = new String[] { "su", "-c",
            ". " + context.getFilesDir().getAbsolutePath() + "/" + SCRIPT_NAME_prev2 };
    Process proc_prev2 = Runtime.getRuntime().exec(args_prev2);
    return proc_prev2;
}

From source file:editor.util.URLUtil.java

public static String sendPost(String url, String data) throws Exception {

    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

    //add reuqest header
    con.setRequestMethod("POST");

    // Send post request
    con.setDoOutput(true);/* w ww .  ja v  a2s . co  m*/
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(data);
    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();
    return response.toString();
}