gistfile1.rb

module Arango
  class HttpRequest
    attr_reader :body, :headers, :parameters, :request_type, :suffix
  end
end

module Arango
  class HttpResponse
    attr_accessor :content_type, :body
    attr_reader :status

    def status=(new_status)
      @status = case new_status
                when :ok then 200
                when :created then 201
                when :method_not_allowed then 405
                else new_status.to_i
                end
    end
  end
end


module Arango
  class AbstractServlet
    HTTP_METHODS = [:get, :put, :post, :delete, :head]

    def service(req, res)
      requested_method = req.request_type.to_s.downcase.to_sym
      if HTTP_METHODS.include? requested_method
        self.send(requested_method, req, res)
      else
        self.unknown_method(req, res, requested_method)
      end
    end

    HTTP_METHODS.each do |meth|
      define_method(meth.to_sym) do |req, res|
        res.status = :method_not_allowed
      end
    end

    def unknown_method(req, res, method)
      res.status = :method_not_allowed
    end
  end
end