Decode/encode hex string

Saturday, 28 August 2010 08:06

hex-static-bytearrayoutputstream for-int-new

// decode/encode hex string



	public static String toHexString(byte[] ba) {

		String hex = "";

		for(int i = 0; i < ba.length; i++)

			hex += zeroPad(Integer.toHexString(ba[i] & 0xFF).toUpperCase(), 2);

		return hex;

		}

	

	public static byte[] fromHexString(String hex) {

		ByteArrayOutputStream bas = new ByteArrayOutputStream();

		for (int i = 0; i < hex.length(); i+=2) {

			int b = Integer.parseInt(hex.substring(i, i + 2), 16);

			bas.write(b);

			}

		return bas.toByteArray();

		}