private InputStream getDefault(String fileName) {
		InputStream result = null;
		try {
			result = new BufferedInputStream(new FileInputStream(fileName));
		} catch (IOException ignore) {
		}

		return result;
	}
private InputStream getDefault ( String fileName ) { InputStream result = null ; try { result = new BufferedInputStream ( new FileInputStream ( fileName ) ) ; } catch ( IOException ignore ) { } return result ; }
Get default InputStream to read the data from the file

@param fileName
@return FileInputStream(fileName)