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

/**
 * @param context/*from w w  w. j a  v a2s.  co m*/
 * @param filePath file path relative to assets, like request_init1/search_index.json
 * @return
 */
public static String readAssert(Context context, String filePath) {
    try {
        if (filePath.startsWith(File.separator)) {
            filePath = filePath.substring(File.separator.length());
        }
        AssetManager assetManager = context.getAssets();
        InputStream inputStream = assetManager.open(filePath);
        DataInputStream stream = new DataInputStream(inputStream);
        int length = stream.available();
        byte[] buffer = new byte[length];
        stream.readFully(buffer);
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        byteArrayOutputStream.write(buffer);
        stream.close();
        return byteArrayOutputStream.toString();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:TestPipes.java

public static void readData(InputStream is) {
    DataInputStream in = new DataInputStream(new BufferedInputStream(is));
    boolean eof = false;
    try {/*from  w  w  w  . j  a v a 2s. c o m*/
        while (!eof) {
            int iValue = in.readInt();
            System.out.println("read value = " + iValue);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    System.out.println("End of Data");
}

From source file:Main.java

public static void makeInternalCopy(Context c, String path, int resource) {
    InputStream is = c.getResources().openRawResource(resource);
    try {/*  w ww  .j av  a2 s  .  c  o  m*/

        Process process = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(process.getOutputStream());
        File sniff = new File(path);
        if (sniff.exists()) {
            os.writeBytes("rm " + path + "\n");
        }
        byte[] bytes = new byte[is.available()];

        FileOutputStream setdbOutStream = new FileOutputStream(path);
        DataInputStream dis = new DataInputStream(is);
        dis.readFully(bytes);

        setdbOutStream.write(bytes);
        setdbOutStream.close();

        os.writeBytes("chmod 777 " + path + "\n");
        os.writeBytes("exit\n");
        os.flush();
    } catch (Exception e) {
        //           Toast.makeText(c, "Error Copying file: " + e.toString(),Toast.LENGTH_SHORT).show();
        e.printStackTrace();
    }

}

From source file:Main.java

public static String runCommand(String[] commands) {
    DataOutputStream outStream = null;
    DataInputStream responseStream;
    try {/*from   ww w  .j av  a 2  s. c  o  m*/
        ArrayList<String> logs = new ArrayList<String>();
        Process process = Runtime.getRuntime().exec("su");
        Log.i(TAG, "Executed su");
        outStream = new DataOutputStream(process.getOutputStream());
        responseStream = new DataInputStream(process.getInputStream());

        for (String single : commands) {
            Log.i(TAG, "Command = " + single);
            outStream.writeBytes(single + "\n");
            outStream.flush();
            if (responseStream.available() > 0) {
                Log.i(TAG, "Reading response");
                logs.add(responseStream.readLine());
                Log.i(TAG, "Read response");
            } else {
                Log.i(TAG, "No response available");
            }
        }
        outStream.writeBytes("exit\n");
        outStream.flush();
        String log = "";
        for (int i = 0; i < logs.size(); i++) {
            log += logs.get(i) + "\n";
        }
        Log.i(TAG, "Execution compeleted");
        return log;
    } catch (IOException e) {
        Log.d(TAG, e.getMessage());
    }
    return null;
}

From source file:Main.java

public static int[] readBin83PtIndex(String dir, String fileName) {
    int i = 0;//from   www. j a  va 2s .co  m
    int x = 0;
    int[] tab = new int[83];
    File sdLien = Environment.getExternalStorageDirectory();
    File inFile = new File(sdLien + File.separator + dir + File.separator + fileName);
    Log.d(TAG, "path of file : " + inFile);
    if (!inFile.exists()) {
        throw new RuntimeException("File doesn't exist");
    }
    DataInputStream in = null;
    try {
        in = new DataInputStream(new FileInputStream(inFile));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    try {
        x = in.readInt();
        while (true) {
            tab[i] = x;
            i++;
            x = in.readInt();
        }
    } catch (EOFException e) {
        try {
            Log.d(TAG, "close");
            in.close();
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (in != null) {
            try { //free ressources
                Log.d(TAG, "close");
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return tab;
}

From source file:Main.java

public static int[] readBinIntArray(String dir, String fileName, int size) {
    int x;//  w w w . ja v  a2  s . com
    int i = 0;
    int[] tab = new int[size];
    File sdLien = Environment.getExternalStorageDirectory();
    File inFile = new File(sdLien + File.separator + dir + File.separator + fileName);
    Log.d(TAG, "path of file : " + inFile);
    if (!inFile.exists()) {
        throw new RuntimeException("File doesn't exist");
    }
    DataInputStream in = null;
    try {
        in = new DataInputStream(new FileInputStream(inFile));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    try {
        x = in.readInt();
        while (true) {
            tab[i] = x;
            i++;
            x = in.readInt();
        }
    } catch (EOFException e) {
        try {
            Log.d(TAG, "close");
            in.close();
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (in != null) {
            try { //free ressources
                Log.d(TAG, "close");
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return tab;
}

From source file:Main.java

public static float[] readBinFloat(String dir, String fileName, int size) {
    float x;//from   w w w  .  j a  va2s. co  m
    int i = 0;
    float[] tab = new float[size];
    File sdLien = Environment.getExternalStorageDirectory();
    File inFile = new File(sdLien + File.separator + dir + File.separator + fileName);
    Log.d(TAG, "path of file : " + inFile);
    if (!inFile.exists()) {
        throw new RuntimeException("File doesn't exist");
    }
    DataInputStream in = null;
    try {
        in = new DataInputStream(new FileInputStream(inFile));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    try {
        x = in.readFloat();
        while (i < size) {
            tab[i] = x;
            i++;
            x = in.readFloat();
        }
    } catch (EOFException e) {
        try {
            Log.d(TAG, "close");
            in.close();
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (in != null) {
            try { //free ressources
                Log.d(TAG, "close");
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return tab;
}

From source file:Main.java

public static float[] readBinTextureArray(String dir, String fileName, int size) {
    float x;//from   ww w.  j  ava  2s . c om
    int i = 0;
    float[] tab = new float[size];
    File sdLien = Environment.getExternalStorageDirectory();
    File inFile = new File(sdLien + File.separator + dir + File.separator + fileName);
    Log.d(TAG, "path of file : " + inFile);
    if (!inFile.exists()) {
        throw new RuntimeException("File doesn't exist");
    }
    DataInputStream in = null;
    try {
        in = new DataInputStream(new FileInputStream(inFile));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    try {
        x = in.readFloat(); // convert here for OpenGl
        while (true) {
            tab[i] = x / 255.0f;
            i++;
            x = in.readFloat(); // convert here for OpenGl
        }
    } catch (EOFException e) {
        try {
            Log.d(TAG, "close");
            in.close();
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (in != null) {
            try { //free ressources
                Log.d(TAG, "close");
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return tab;
}

From source file:Main.java

public static float[] readBinShapeArray(String dir, String fileName, int size) {
    float x;//from w  w  w  .j  a v a 2s .c om
    int i = 0;
    float[] tab = new float[size];

    File sdLien = Environment.getExternalStorageDirectory();
    File inFile = new File(sdLien + File.separator + dir + File.separator + fileName);
    Log.d(TAG, "path of file : " + inFile);
    if (!inFile.exists()) {
        throw new RuntimeException("File doesn't exist");
    }
    DataInputStream in = null;
    try {
        in = new DataInputStream(new FileInputStream(inFile));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    try {
        //read first x
        x = in.readFloat();
        while (true) {
            tab[i] = x;
            i++;
            x = in.readFloat();
        }
    } catch (EOFException e) {
        try {
            Log.d(TAG, "close");
            in.close();
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (in != null) {
            try { //free ressources
                Log.d(TAG, "close");
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return tab;
}

From source file:PipedBytes.java

public static void readStuff(InputStream rawIn) {
    try {//from   w w w .j  a  v  a 2 s. com
        DataInputStream in = new DataInputStream(new BufferedInputStream(rawIn));

        boolean eof = false;
        while (!eof) {
            try {
                int i = in.readInt();
                System.out.println("just read: " + i);
            } catch (EOFException eofx) {
                eof = true;
            }
        }

        System.out.println("Read all data from the pipe");
    } catch (IOException x) {
        x.printStackTrace();
    }
}