public BufferedReader getReader(String fileDir, String fileName,
			String encoding) {
		try {
			File file = new File(fileDir, fileName);
			InputStreamReader read = new InputStreamReader(new FileInputStream(
					file), encoding);
			BufferedReader br = new BufferedReader(read);
			return br;

		} catch (FileNotFoundException ex) {
			ex.printStackTrace();
			return null;
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}

	}