public static boolean isAddress(String address) {
		if (isNull(address)) {
			return false;
		}

		String[] tokens = address.split(StringPool.AT);

		if (tokens.length != 2) {
			return false;
		}

		for (String token : tokens) {
			for (char c : token.toCharArray()) {
				if (Character.isWhitespace(c)) {
					return false;
				}
			}
		}

		return true;
	}