Interface IInputValidator

  • public interface IInputValidator
    The IInputValidator is the interface for simple validators.
    See Also:
    • Method Detail

      • isValid

        String isValid​(String newText)
        Validates the given string. Returns an error message to display if the new text is invalid. Returns null if there is no error. Note that the empty string is not treated the same as null; it indicates an error state but with no message to display.
        newText - the text to check for validity
        an error message or null if no error