Class UniqueUsernameValidator

  • All Implemented Interfaces:
    javax.validation.ConstraintValidator<UniqueUsername,​String>

    public class UniqueUsernameValidator
    extends Object
    implements javax.validation.ConstraintValidator<UniqueUsername,​String>
    Class used to check username uniqueness
    • Constructor Detail

      • UniqueUsernameValidator

        public UniqueUsernameValidator()
    • Method Detail

      • initialize

        public void initialize​(UniqueUsername constraintAnnotation)
        Initializes validator
        Specified by:
        initialize in interface javax.validation.ConstraintValidator<UniqueUsername,​String>
        Parameters:
        constraintAnnotation - annotation
      • isValid

        public boolean isValid​(String value,
                               javax.validation.ConstraintValidatorContext constraintValidatorContext)
        Gets if username is unique
        Specified by:
        isValid in interface javax.validation.ConstraintValidator<UniqueUsername,​String>
        Parameters:
        value - username
        constraintValidatorContext - validator context
        Returns:
        if username is unique