/// <summary>
/// Converts B36 encoded string into Hexadecimal EPC
/// </summary>
/// <param name="b36"></param>
/// <returns>Hex string</returns>
public static String ConvertBase36ToHex(String b36)
{
StringBuilder sb = new StringBuilder(b36.ToUpper());
char[] charArray = sb.ToString().ToCharArray();
Array.Reverse(charArray);
BigInteger big = new BigInteger(new string(charArray), 36);
return big.ToString(16).ToUpper();
}
/// <summary>
/// Returns BigInteger as System.UInt64 if possible.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
/// <exception cref="System.Exception">When BigInteger is too large to fit into System.UInt64</exception>
public static ulong ToUInt64(BigInteger value)
{
if (object.ReferenceEquals(value, null))
{
throw new ArgumentNullException("value");
}
return System.UInt64.Parse(value.ToString(), System.Globalization.NumberStyles.Integer, System.Globalization.CultureInfo.CurrentCulture);
}
/// <summary>
/// Converts Hexadecimal EPC into reversed B36 encoded string
/// </summary>
/// <param name="hex"></param>
/// <returns></returns>
public static String ConvertHexToBase36(String hex)
{
BigInteger big = new BigInteger(hex.ToUpper(), 16);
StringBuilder sb = new StringBuilder(big.ToString(36));
char[] charArray = sb.ToString().ToCharArray();
Array.Reverse(charArray);
return new string(charArray).ToUpper();
}