public Object validate()

in src/main/java/org/apache/commons/validator/routines/CodeValidator.java [252:277]

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

    public Object validate(final String input) {
        if (input == null) {
            return null;
        }
        String code = input.trim();
        if (code.isEmpty()) {
            return null;
        }
        // validate/reformat using regular expression
        if (regexValidator != null) {
            code = regexValidator.validate(code);
            if (code == null) {
                return null;
            }
        }
        // check the length (must be done after validate as that can change the code)
        if (minLength >= 0 && code.length() < minLength ||
            maxLength >= 0 && code.length() > maxLength) {
            return null;
        }
        // validate the check digit
        if (checkdigit != null && !checkdigit.isValid(code)) {
            return null;
        }
        return code;
    }