ama-team / ruby-entity-mapper

          class Denormalizer < API::Denormalizer

            include Mixin::Errors

            # @param [AMA::Entity::Mapper::API::Denormalizer] processor

            def initialize(processor)

              @processor = processor

              @fallback = Default::Denormalizer::INSTANCE

            end

            # @param [Hash] source

            # @param [AMA::Entity::Mapper::Type] type

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

            def denormalize(source, type, context = nil)

              ctx = context || Context.new

              @processor.denormalize(source, type, ctx) do |s, t, c|

                @fallback.denormalize(s, t, c)

              end

            rescue StandardError => e

              raise_if_internal(e)

              message = "Error while denormalizing #{type} " \

                "(type: #{type}) from #{source.class} using #{@processor}"

              if e.is_a?(ArgumentError)

                message += "Does #{@processor}#denormalize have signature " \

                  '(entity, source, type, context = nil)?'

              end

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

            end

          end