ama-team / ruby-entity-mapper

          class Denormalizer < API::Denormalizer

            include Mixin::Reflection

            include Mixin::Errors

            INSTANCE = new

            # @param [Hash] source

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

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

            def denormalize(source, type, context = nil)

              validate_source!(source, type, context)

              entity = type.factory.create(type, source, context)

              type.attributes.values.each do |attribute|

                next if attribute.virtual

                [attribute.name.to_s, attribute.name].each do |name|

                  next unless source.key?(name)

                  set_object_attribute(entity, name, source[name])

                end

              end

              entity

            end

            private

            def validate_source!(source, type, context)

              return if source.is_a?(Hash)

              message = "Expected Hash, #{source.class} provided " \

                "(while denormalizing #{type})"

              mapping_error(message, context: context)

            end

          end