text: # -*- coding: utf-8 -*-
  
  """
      moesifapi.http.http_call_back
  
  
  """
  
  from .http_request import HttpRequest
  from .http_response import HttpResponse
  
  class HttpCallBack(object):
  
      """An interface for  the callback to be called before and after the 
      HTTP call for an endpoint is made.
      
      This class should not be instantiated but should be used as a base class
      for HttpCallBack classes.  
  
      """
  
      def on_before_request(self,
                            request):
          """The controller will call this method before making the HttpRequest.
         
          Args:
              request (HttpRequest): The request object which will be sent
                  to the HttpClient to be executed.
          """
          raise NotImplementedError("This method has not been implemented.")
  
      def on_after_response(self,
                            context):
          """The controller will call this method after making the HttpRequest.
         
          Args:
              context (HttpContext): The HttpContext of the API call.
          """
          raise NotImplementedError("This method has not been implemented.")
  