How to use

getNullIsAnInvalidTypeForAConstraintValidatorException

method

in

org.hibernate.validator.internal.util.logging.Log

public static Type extractConstraintValidatorTypeArgumentType(Class<? extends ConstraintValidator<?, ?>> validator, int typeArgumentIndex) {
  Map<Type, Type> resolvedTypes = new HashMap<>();
  Type constraintValidatorType = resolveTypes( resolvedTypes, validator );
  //we now have all bind from a type to its resolution at one level
  Type type = ( (ParameterizedType) constraintValidatorType ).getActualTypeArguments()[typeArgumentIndex];
  if ( type == null ) {
    throw LOG.getNullIsAnInvalidTypeForAConstraintValidatorException();
  }
  else if ( type instanceof GenericArrayType ) {
    type = TypeHelper.getArrayType( TypeHelper.getComponentType( type ) );
  }
  while ( resolvedTypes.containsKey( type ) ) {
    type = resolvedTypes.get( type );
  }
  //FIXME raise an exception if validatorType is not a class
  return type;
}

private static Type extractType(Class<? extends ConstraintValidator<?, ?>> validator) {
  Map<Type, Type> resolvedTypes = newHashMap();
  Type constraintValidatorType = resolveTypes( resolvedTypes, validator );
  //we now have all bind from a type to its resolution at one level
  Type validatorType = ( (ParameterizedType) constraintValidatorType ).getActualTypeArguments()[VALIDATOR_TYPE_INDEX];
  if ( validatorType == null ) {
    throw log.getNullIsAnInvalidTypeForAConstraintValidatorException();
  }
  else if ( validatorType instanceof GenericArrayType ) {
    validatorType = TypeHelper.getArrayType( TypeHelper.getComponentType( validatorType ) );
  }
  while ( resolvedTypes.containsKey( validatorType ) ) {
    validatorType = resolvedTypes.get( validatorType );
  }
  //FIXME raise an exception if validatorType is not a class
  return validatorType;
}