Thinking Outside the Block v2

request.rb

require 'net/http'

response = Net::HTTP.start 'api.example.com', 80 { |http|
  http.get '/endpoint'
}

response_base_class = response.class.name.split('::').last
begin
  handler_class = Object.const_get("ApiResponse::#{response_base_class}")
  handler_class.new(response).handle
rescue NameError => e
  ApiResponse::DefaultHandler.new(response).handle
end

module ApiResponse
  class DefaultHandler
    # ...
  end
  class HTTPOK
    # ...
  end
end