Example usage for java.io DataInputStream DataInputStream

Introduction

In this page you can find the example usage for java.io DataInputStream DataInputStream.

Prototype

public DataInputStream(InputStream in)

Source Link

Document

Creates a DataInputStream that uses the specified underlying InputStream.

Usage

From source file:Main.java

public static byte[] readToEndAsArray(InputStream input) throws IOException {
    DataInputStream dis = new DataInputStream(input);
    byte[] stuff = new byte[1024];
    ByteArrayOutputStream buff = new ByteArrayOutputStream();
    int read = 0;
    while ((read = dis.read(stuff)) != -1) {
        buff.write(stuff, 0, read);// ww  w.  j a va2 s .c o m
    }
    dis.close();
    return buff.toByteArray();
}

From source file:Main.java

public static File WriteStreamToFile(InputStream resStream) {
    try {//from   www  .  jav  a  2s .  c o m
        byte[] bytes = new byte[resStream.available()];
        File tmpFile = File.createTempFile("z4-", ".tmp");
        tmpFile.deleteOnExit();
        DataInputStream dis = new DataInputStream(resStream);
        dis.readFully(bytes);
        FileOutputStream foutStream = new FileOutputStream(tmpFile.getPath());
        foutStream.write(bytes);
        foutStream.close();
        dis.close();
        return tmpFile;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String textFromFile(String filename) {

    String text = new String();
    String nextLine = new String();

    try {//from  w ww .  j  a  v a  2  s  .  c  om
        FileInputStream instream = new FileInputStream(filename);
        DataInputStream in = new DataInputStream(instream);

        BufferedReader buffered = new BufferedReader(new InputStreamReader(in));

        while ((nextLine = buffered.readLine()) != null) {
            text = text.concat(nextLine);
        }
    } catch (IOException e) {
        return null;
    }

    return text;
}

From source file:Main.java

static public String readFile(File file) throws IOException {
    byte[] buffer = new byte[(int) file.length()];
    DataInputStream input = null;
    try {/* ww w  . j  av  a  2 s .co m*/
        input = new DataInputStream(new FileInputStream(file));
        input.readFully(buffer);
    } finally {
        closeQuietly(input);
    }
    return new String(buffer);
}

From source file:Main.java

public static String execRootCmd(String[] cmds) {
    String result = "";
    DataOutputStream dos = null;/*from ww  w. j ava  2s . c  o  m*/
    DataInputStream dis = null;

    try {
        Process p = Runtime.getRuntime().exec("su");
        dos = new DataOutputStream(p.getOutputStream());
        dis = new DataInputStream(p.getInputStream());

        for (String cmd : cmds) {
            Log.i("CmdUtils", cmd);
            dos.writeBytes(cmd + "\n");
            dos.flush();
        }
        dos.writeBytes("exit\n");
        dos.flush();
        String line;
        while ((line = dis.readLine()) != null) {
            Log.d("result", line);
            result += line;
        }
        p.waitFor();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (dos != null) {
            try {
                dos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (dis != null) {
            try {
                dis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return result;
}

From source file:Main.java

public static int execRootCmdForExitCode(String[] cmds) {
    int result = -1;
    DataOutputStream dos = null;/* w w w  .  j  a va2 s  . c o  m*/
    DataInputStream dis = null;

    try {
        Process p = Runtime.getRuntime().exec("su");
        dos = new DataOutputStream(p.getOutputStream());
        dis = new DataInputStream(p.getInputStream());

        for (String cmd : cmds) {
            Log.i("CmdUtils", cmd);
            dos.writeBytes(cmd + "\n");
            dos.flush();
        }
        dos.writeBytes("exit\n");
        dos.flush();
        String line;
        while ((line = dis.readLine()) != null) {
            Log.d("result", line);
        }
        p.waitFor();
        result = p.exitValue();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (dos != null) {
            try {
                dos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (dis != null) {
            try {
                dis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return result;
}

From source file:Main.java

/**
 * Determine whether a file is a ZIP File.
 *//*from  w w  w . ja  va2  s  .  c  om*/
public static boolean isZipFile(File file) throws IOException {
    if (file.isDirectory()) {
        return false;
    }
    if (!file.canRead()) {
        throw new IOException("Cannot read file " + file.getAbsolutePath());
    }
    if (file.length() < 4) {
        return false;
    }
    DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(file)));
    int test = in.readInt();
    in.close();
    return test == 0x504b0304;
}

From source file:Main.java

public static String getSimID() {
    // TODO Auto-generated method stub
    Log.v(TAG, "getSimID() called");
    String simID = "";
    try {/*from  www .  j a v  a  2 s  . c  o  m*/
        FileInputStream is = new FileInputStream(SIMCARD_PATH);
        DataInputStream dis = new DataInputStream(is);
        simID = dis.readLine();
        simID = simID.trim();
        is.close();
        dis.close();
        return simID;
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        Log.v(TAG, "getSimID exception: do not have a SIM Card!", e);
        return "123456";
    } catch (IOException e) {
        // TODO Auto-generated catch block
        Log.v(TAG, "getSimID exception: read IOException", e);
        return "";
    }

}

From source file:Main.java

public static void openNamedFile(String filename) {
    try {/*from w ww  .j av  a 2  s. c  om*/
        File f = new File(filename);
        //   Log.e("kuinfa", "filename= " + filename);
        FileInputStream fis = new FileInputStream(f);

        long size = f.length();
        name = f.getName();
        patch = f.getParentFile().toString();
        DataInputStream dis = new DataInputStream(fis);
        byte[] b = new byte[(int) size];
        int length = dis.read(b, 0, (int) size);

        dis.close();
        fis.close();

        String ttt = new String(b, 0, length, "UTF-8");

        try {
            ttt = new String(ttt.getBytes(), "UTF-8");
        } catch (UnsupportedEncodingException e) {
        }

    } catch (FileNotFoundException e) {
    } catch (IOException e) {
    }
}

From source file:Main.java

/**
 * Degzips the compressed array and places the results into the decompressed array.
 *
 * @param compressed The compressed array.
 * @param decompressed The decompressed array.
 * @throws IOException If an I/O error occurs.
 *//*from  ww w .j  av a2 s.  c  om*/
public static void degzip(byte[] compressed, byte[] decompressed) throws IOException {
    try (DataInputStream is = new DataInputStream(new GZIPInputStream(new ByteArrayInputStream(compressed)))) {
        is.readFully(decompressed);
    }
}