public class XMLHandler
{
    public static <T> boolean writeSerialFile(T writeable, String fileName)
    {
        if (hasStorage(true))
        {
            // write
            Serializer serial = new Persister();

            File sdCard = Environment.getExternalStorageDirectory();
            File dir = new File(sdCard.getAbsolutePath() + "/rfr");
            dir.mkdirs();

            File sdcardFile = new File(dir, fileName + ".xml");
            try
            {
                if (sdcardFile.exists())
                    sdcardFile.delete();

                sdcardFile.createNewFile();
            }
            catch (IOException e)
            {
                Log.e("JAKOBERR", e.toString());
            }

            try
            {
                serial.write(writeable, sdcardFile);
                return true;
            }
            catch (Exception e)
            {
                // There is the possibility of error for a number of reasons.
                // Handle
                // this appropriately in your code
                Log.e("JAKOBERR", e.toString());
            }
        }

        return false;
    }

    private static boolean hasStorage(boolean requireWriteAccess)
    {
        String state = Environment.getExternalStorageState();

        if (Environment.MEDIA_MOUNTED.equals(state))
        {
            return true;
        }
        else if (!requireWriteAccess && Environment.MEDIA_MOUNTED_READ_ONLY.equals(state))
        {
            return true;
        }
        return false;
    }

    public static <T> T readSerialFile(String fileName, Class<? extends T> type)
    {
        T finalReturn = null;
        Serializer serial = new Persister();

        if (hasStorage(false))
        {
            File sdCard = Environment.getExternalStorageDirectory();
            File dir = new File(sdCard.getAbsolutePath() + "/rfr");

            File sdcardFile = new File(dir, fileName + ".xml");
            try
            {
                if (sdcardFile.exists())
                {
                    byte[] temp = ioStremtoByteArray(new FileInputStream(sdcardFile));
                    String temp2 = new String(temp, "UTF-8");
                    try
                    {
                        finalReturn = serial.read(type, temp2);
                    }
                    catch (Exception e)
                    {
                        Log.e("JAKOBERR", e.toString());
                    }
                }
            }
            catch (IOException e)
            {
                Log.e("JAKOBERR", e.toString());
            }
        }

        return finalReturn;
    }

    public static <T> T readSerialFile(Resources resources, int identity, Class<? extends T> type)
    {
        T finalReturn = null;
        Serializer serial = new Persister();

        try
        {
            byte[] temp = ioStremtoByteArray(resources.openRawResource(identity));
            String temp2 = new String(temp, "UTF-8");
            finalReturn = serial.read(type, temp2);
        }
        catch (NotFoundException e)
        {
            Log.e("JAKOBERR", e.toString());
        }
        catch (Exception e)
        {
            Log.e("JAKOBERR", e.toString());
        }

        return finalReturn;
    }

    public static byte[] ioStremtoByteArray(InputStream is)
    {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();

        int nRead;
        byte[] data = new byte[16384];

        try
        {
            while ((nRead = is.read(data, 0, data.length)) != -1)
            {
                buffer.write(data, 0, nRead);
            }
        }
        catch (IOException e)
        {
            Log.e("JAKOBERR", e.toString());
        }

        try
        {
            buffer.flush();
        }
        catch (IOException e)
        {
            Log.e("JAKOBERR", e.toString());
        }

        return buffer.toByteArray();
    }
}