public static String join(String delimiter, String... strings) {
		StringBuilder sb = new StringBuilder();
		for (String str : strings) {
            if (StringUtil.isNotEmpty(str)) {
                sb.append(str).append(delimiter);
            }
        }
		if (sb.length() > 0) {
			sb.setLength(sb.length() - delimiter.length());
		}
		return sb.toString();
    }