public static String toUnderScoreCase()

in paimon-web-server/src/main/java/org/apache/paimon/web/server/util/PageSupport.java [69:100]

• 28 lines of code
• 11 McCabe index (conditional complexity)

    public static String toUnderScoreCase(String str) {
        if (StringUtils.isBlank(str)) {
            return null;
        }
        StringBuilder sb = new StringBuilder();
        boolean preCharIsUpperCase = true;
        boolean curreCharIsUpperCase = true;
        boolean nexteCharIsUpperCase = true;
        for (int i = 0; i < str.length(); i++) {
            char c = str.charAt(i);
            if (i > 0) {
                preCharIsUpperCase = Character.isUpperCase(str.charAt(i - 1));
            } else {
                preCharIsUpperCase = false;
            }

            curreCharIsUpperCase = Character.isUpperCase(c);

            if (i < (str.length() - 1)) {
                nexteCharIsUpperCase = Character.isUpperCase(str.charAt(i + 1));
            }

            if (preCharIsUpperCase && curreCharIsUpperCase && !nexteCharIsUpperCase) {
                sb.append(SEPARATOR);
            } else if ((i != 0 && !preCharIsUpperCase) && curreCharIsUpperCase) {
                sb.append(SEPARATOR);
            }
            sb.append(Character.toLowerCase(c));
        }

        return sb.toString();
    }