Read text from a file using a FileChannel and MappedByteBuffer

fastReadTextFromFile.java

    public static String fastReadTextFromFile(File file) {
        FileInputStream inputStream = null;
        try {
            inputStream = new FileInputStream(file);
            FileChannel ch = inputStream.getChannel();
            MappedByteBuffer mb = ch.map(FileChannel.MapMode.READ_ONLY,
                    0L, ch.size());
            byte[] barray = new byte[Math.min(mb.remaining(), BYTE_ARRAY_SIZE)];
            int getSize;
            StringBuilder sb = new StringBuilder();
            while (mb.hasRemaining()) {
                getSize = Math.min(mb.remaining(), BYTE_ARRAY_SIZE);
                mb.get(barray, 0, getSize);
                sb.append(new String(barray));
            }
            return sb.toString();
        } catch (FileNotFoundException e) {
            LogHelper.error("Error in readTextFromFile for file " + file.getPath(), e);
        } catch (IOException e) {
            LogHelper.error("Error in readTextFromFile for file " + file.getPath(), e);
        } finally {
            try {
                if (inputStream != null) {
                    LogHelper.verbose("closing inputStream in fastReadTextFromFile");
                    inputStream.close();
                }
            } catch (IOException e) {
                LogHelper.error("Error trying to close inputStream in fastReadTextFromFile for file " + file.getPath(), e);
            }
        }
        return "";
    }