public static byte[] decodeBase64(String base64StringParam)
	{
		if(base64StringParam == null)
		{
			return null;
		}

		if(base64StringParam.isEmpty())
		{
			return new byte[]{};
		}

		return Base64.getDecoder().decode(base64StringParam);
	}
public static byte [ ] decodeBase64 ( String base64StringParam ) { if ( base64StringParam == null ) { return null ; } if ( base64StringParam . isEmpty ( ) ) { return new byte [ ] { } ; } return Base64 . getDecoder ( ) . decode ( base64StringParam ) ; }
Decodes the {@code base64StringParam} as {@code byte[]}.

@param base64StringParam String to convert to {@code byte[]}.
@return byte[].