public void setup()

in serverless-ui/jwt-stack/src/main/java/com/awssamples/client/create/CreateView.java [82:135]
27 lines of code
4 McCabe index (conditional complexity)

    public void setup() {
        root = binder.createAndBindUi(this);

        expirationInSeconds.addValidator(new Validator<String>() {
            @Override
            public int getPriority() {
                return 0;
            }

            @Override
            public List<EditorError> validate(Editor<String> editor, String value) {
                List<EditorError> errors = new ArrayList<>();

                Try<Integer> parseIntTry = Try.of(() -> Integer.parseInt(value));

                if (parseIntTry.isFailure()) {
                    // Failed to parse as an integer, return early since none of the other errors apply
                    errors.add(new BasicEditorError(editor, value, "Not a valid integer"));

                    return errors;
                }

                int intValue = parseIntTry.get();

                if (intValue < JwtService.EXPIRATION_IN_SECONDS_MIN) {
                    // Too low
                    errors.add(new BasicEditorError(editor, value, "Value is below the minimum [" + JwtService.EXPIRATION_IN_SECONDS_MIN + "]"));
                } else if (intValue > JwtService.EXPIRATION_IN_SECONDS_MAX) {
                    // Too high
                    errors.add(new BasicEditorError(editor, value, "Value is above the maximum [" + JwtService.EXPIRATION_IN_SECONDS_MAX + "]"));
                }

                return errors;

                // Check to see if the value is valid
                /* Can't use this in GWT!
                Match(parseIntTry)
                        .option(
                                // Failed to parse as an integer
                                Case($Failure($()), n -> new BasicEditorError(editor, value, "Not a valid integer")),
                                // Too low
                                Case($Success($(n -> n < EXPIRATION_IN_SECONDS_MIN)), n -> new BasicEditorError(editor, value, "Value is below the minimum [" + EXPIRATION_IN_SECONDS_MIN + "]")),
                                // Too high
                                Case($Success($(n -> n > EXPIRATION_IN_SECONDS_MAX)), n -> new BasicEditorError(editor, value, "Value is above the maximum [" + EXPIRATION_IN_SECONDS_MAX + "]"))
                        )
                        // If any error was generated then add them to the error list
                        .forEach(errors::add);
                 */
            }
        });

        expirationInSeconds.validate(true);
        enableDisableButtons();
    }