public static Validator createLongValidator()

in src/main/java/org/apache/nifi/processor/util/StandardValidators.java [742:764]

• 20 lines of code
• 8 McCabe index (conditional complexity)

    public static Validator createLongValidator(final long minimum, final long maximum, final boolean inclusive) {
        return new Validator() {
            @Override
            public ValidationResult validate(final String subject, final String input, final ValidationContext context) {
                if (context.isExpressionLanguageSupported(subject) && context.isExpressionLanguagePresent(input)) {
                    return new ValidationResult.Builder().subject(subject).input(input).explanation("Expression Language Present").valid(true).build();
                }

                String reason = null;
                try {
                    final long longVal = Long.parseLong(input);
                    if (longVal < minimum || (!inclusive && longVal == minimum) | longVal > maximum || (!inclusive && longVal == maximum)) {
                        reason = "Value must be between " + minimum + " and " + maximum + " (" + (inclusive ? "inclusive" : "exclusive") + ")";
                    }
                } catch (final NumberFormatException e) {
                    reason = "not a valid integer";
                }

                return new ValidationResult.Builder().subject(subject).input(input).explanation(reason).valid(reason == null).build();
            }

        };
    }