net/url_request/url_request_throttler_header_interface.h

   1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_HEADER_INTERFACE_H_
   6 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_HEADER_INTERFACE_H_
   7
   8 #include <string>
   9
  10 namespace net {
  11
  12 // Interface to an HTTP header to enforce we have the methods we need.
  13 class URLRequestThrottlerHeaderInterface {
  14  public:
  15   virtual ~URLRequestThrottlerHeaderInterface() {}
  16
  17   // Method that enables us to fetch the header value by its key.
  18   // ex: location: www.example.com -> key = "location" value = "www.example.com"
  19   // If the key does not exist, it returns an empty string.
  20   virtual std::string GetNormalizedValue(const std::string& key) const = 0;
  21
  22   // Returns the HTTP response code associated with the request.
  23   virtual int GetResponseCode() const = 0;
  24 };
  25
  26 }  // namespace net
  27
  28 #endif  // NET_URL_REQUEST_URL_REQUEST_THROTTLER_HEADER_INTERFACE_H_