ama-team / ruby-entity-mapper

          class AttributeValidator < API::AttributeValidator

            # @param [AMA::Entity::Mapper::API::AttributeValidator] validator

            def initialize(validator)

              @validator = validator

            end

            # @param [Object] value Attribute value

            # @param [AMA::Entity::Mapper::Type::Attribute] attr

            # @param [AMA::Entity::Mapper::Context] ctx

            # @return [Array<String>] List of violations

            def validate(value, attr, ctx)

              violations = @validator.validate(value, attr, ctx) do |v, a, c|

                API::Default::AttributeValidator::INSTANCE.validate(v, a, c)

              end

              violations = [violations] if violations.is_a?(String)

              violations.nil? ? [] : violations

            rescue StandardError => e

              raise_if_internal(e)

              message = "Error during #{attr} validation (value: #{value})"

              if e.is_a?(ArgumentError)

                message += '. Does provided validator have ' \

                  '(value, attribute, context) signature?'

              end

              compliance_error(message, context: ctx, parent: e)

            end

          end