public static String readFile(String filePath) {
		File file = new File(filePath);
		StringBuilder fileContent = new StringBuilder("");
		if (file == null || !file.isFile()) {
			return fileContent.toString();
		}
		BufferedReader reader = null;

		try {
			reader = new BufferedReader(new FileReader(file));
			String line = null;
			while ((line = reader.readLine()) != null) {
				if (!fileContent.toString().equals("")) {
					fileContent.append("\r\n");
				}
				fileContent.append(line);
			}
			reader.close();
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (reader != null) {
				try {
					reader.close();
				} catch (Exception e1) {
					e1.printStackTrace();
				}
			}
		}
		return fileContent.toString();
	}