Class Validator<T>

  • Type Parameters:
    T - the type of value that this validator can validate

    public abstract class Validator<T>
    extends java.lang.Object
    Validator is responsible for validating the value from the target of a Binding.
    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      class  Validator.Result
      An instance of Result is returned from a Validator's validate method to indicate an invalid value.
    • Constructor Summary

      Constructors 
      Constructor Description
      Validator()  
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      abstract Validator.Result validate​(T value)
      Validates a value; returns null for a valid value, and a Result object describing the problem for an invalid value.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • Validator

        public Validator()
    • Method Detail

      • validate

        public abstract Validator.Result validate​(T value)
        Validates a value; returns null for a valid value, and a Result object describing the problem for an invalid value.
        Parameters:
        value - the value to validate, may be null
        Returns:
        null for a valid value or a Result describing the problem for an invalid value