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 void RunRootCmd(String cmd) {
    try {/*from w ww.  j  ava 2s.  com*/
        //
        // run our command using 'su' to gain root
        //
        Process process = Runtime.getRuntime().exec("su");
        DataOutputStream outputStream = new DataOutputStream(process.getOutputStream());

        outputStream.writeBytes(cmd + "\n");
        outputStream.flush();

        outputStream.writeBytes("exit\n");
        outputStream.flush();
        process.waitFor();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}

From source file:MainClass.java

public static byte[] makeBytes(long t, double q) {
    try {//from w ww .  j  ava 2s.  c  o  m
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
        DataOutputStream dataOut = new DataOutputStream(byteOut);
        dataOut.writeLong(t);
        dataOut.writeDouble(q);
        return byteOut.toByteArray();
    } catch (IOException e) {
        return new byte[0];
    }
}

From source file:Main.java

public static void remountSystemRO() throws IOException {
    Process p = Runtime.getRuntime().exec("su");
    DataOutputStream os = new DataOutputStream(p.getOutputStream());
    os.writeBytes(CMD_REMOUNT_RO + "\n");
    os.writeBytes("exit\n");
    os.flush();//from  ww w.  j  a v  a 2s  .com

}

From source file:Main.java

public static boolean runRootCommand(Context context, String command) {
    Process process = null;//from   www .j a  va2s .  c om
    DataOutputStream os = null;
    try {
        process = Runtime.getRuntime().exec("su");
        os = new DataOutputStream(process.getOutputStream());
        os.writeBytes(command + "\n");
        os.writeBytes("exit\n");
        os.flush();
        process.waitFor();
    } catch (Exception e) {
        Log.d("*** DEBUG ***", "Error - " + e.getMessage());
        return false;
    } finally {
        try {
            if (os != null) {
                os.close();
            }
            process.destroy();
        } catch (Exception e) {

        }
    }
    return true;
}

From source file:Main.java

public static boolean tempRunRootCommand(Context context, String command) {
    Process process = null;/*from  ww  w .  j a v  a2s .c  om*/
    DataOutputStream os = null;
    try {
        process = Runtime.getRuntime().exec("su1");
        os = new DataOutputStream(process.getOutputStream());
        os.writeBytes(command + "\n");
        os.writeBytes("exit\n");
        os.flush();
        process.waitFor();
    } catch (Exception e) {
        Log.d("*** DEBUG ***", "Error - " + e.getMessage());
        return false;
    } finally {
        try {
            if (os != null) {
                os.close();
            }
            process.destroy();
        } catch (Exception e) {

        }
    }
    return true;
}

From source file:Main.java

/**
 * Run command as root.//w w  w.  ja va 2 s.c  o m
 * 
 * @param command
 * @return true, if command was successfully executed
 */
private static boolean runAsRoot(final String command) {
    try {

        Process pro = Runtime.getRuntime().exec("su");
        DataOutputStream outStr = new DataOutputStream(pro.getOutputStream());

        outStr.writeBytes(command);
        outStr.writeBytes("\nexit\n");
        outStr.flush();

        int retval = pro.waitFor();

        return (retval == 0);

    } catch (Exception e) {

        return false;

    }
}

From source file:TestPipes.java

public static void writeData(OutputStream os) {
    try {//from  ww w  .j ava 2s.c om
        DataOutputStream out = new DataOutputStream(new BufferedOutputStream(os));

        int[] numArray = { 1, 2, 3, 4, 5 };

        for (int i = 0; i < numArray.length; i++) {
            out.writeInt(numArray[i]);
        }

        out.flush();

        out.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void secSet(Context context, String key, String val) {
    //long now = System.currentTimeMillis();
    FileOutputStream fos = null;/*from w  ww  .  ja v  a2  s. co  m*/
    try {
        DataOutputStream dos = new DataOutputStream(
                (fos = context.openFileOutput(key + ".mits", android.content.Context.MODE_PRIVATE)));
        dos.writeUTF(val);
    } catch (FileNotFoundException e1) {
        //e1.printStackTrace();
    } catch (IOException e1) {
        //e1.printStackTrace();
    } finally {
        if (fos != null)
            try {
                fos.close();
            } catch (IOException ignored) {
            }
    }
}

From source file:Main.java

public static void execCmd(String cmd) {
    DataOutputStream dos = null;//from  w w w  . ja v  a  2  s  . c  o  m
    DataInputStream dis = null;
    try {
        Process p = Runtime.getRuntime().exec("su");
        dos = new DataOutputStream(p.getOutputStream());
        cmd += "\n";
        dos.writeBytes(cmd);
        dos.flush();
        dos.writeBytes("exit\n");
        dos.flush();
        p.waitFor();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        try {
            if (dos != null)
                dos.close();
            if (dis != null)
                dis.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:Main.java

public static void ExecuteNoReturn(String command, Boolean useroot, boolean forcenew) throws Exception {

    Process p;// w w w.j  av  a  2s . c o m
    DataOutputStream os;

    p = getProcess(useroot, forcenew);

    os = new DataOutputStream(p.getOutputStream());

    os.writeBytes(command + "\n");

    if (forcenew) {
        os.writeBytes("exit\n");
        os.flush();
        os.close();
    }

    //p.waitFor();
}