class Aws::DynamoDB::Plugins::SimpleAttributes::Handler

def call(context)
  context.params = translate_input(context)
  @handler.call(context).on(200) do |response|
    response.data = translate_output(response)
  end
rescue Aws::Errors::ServiceError => e
  e.data = translate_error_data(context, e.data)
  raise e
end

def translate_error_data(context, error_data)
  shape = context.operation.errors.find do |e|
    error_data.is_a?(e.shape.struct_class)
  end
  if shape
    ValueTranslator.new(shape, :unmarshal).apply(error_data)
  else
    error_data
  end
end

def translate_input(context)
  if (shape = context.operation.input)
    ValueTranslator.new(shape, :marshal).apply(context.params)
  else
    context.params
  end
end

def translate_output(response)
  if (shape = response.context.operation.output)
    ValueTranslator.new(shape, :unmarshal).apply(response.data)
  else
    response.data
  end
end