Page Speed Optimization Libraries
1.2.24.1
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00001 /* 00002 * Copyright 2010 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http:///www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00018 00019 #ifndef NET_INSTAWEB_HTTP_PUBLIC_URL_ASYNC_FETCHER_H_ 00020 #define NET_INSTAWEB_HTTP_PUBLIC_URL_ASYNC_FETCHER_H_ 00021 00022 #include "net/instaweb/util/public/basictypes.h" 00023 #include "net/instaweb/util/public/string.h" 00024 00025 namespace net_instaweb { 00026 00027 class AsyncFetch; 00028 class MessageHandler; 00029 00033 class UrlAsyncFetcher { 00034 public: 00035 static const int64 kUnspecifiedTimeout; 00036 00038 static const char kStatisticsGroup[]; 00039 00040 virtual ~UrlAsyncFetcher(); 00041 00051 virtual void Fetch(const GoogleString& url, 00052 MessageHandler* message_handler, 00053 AsyncFetch* fetch) = 0; 00054 00057 virtual bool SupportsHttps() const { return true; } 00058 00061 virtual int64 timeout_ms() { return kUnspecifiedTimeout; } 00062 00067 virtual void ShutDown(); 00068 00071 void set_fetch_with_gzip(bool x) { fetch_with_gzip_ = x; } 00072 bool fetch_with_gzip() const { return fetch_with_gzip_; } 00073 00076 AsyncFetch* EnableInflation(AsyncFetch* fetch) const; 00077 00078 protected: 00081 UrlAsyncFetcher() : fetch_with_gzip_(false) {} 00082 00083 private: 00084 bool fetch_with_gzip_; 00085 00086 DISALLOW_COPY_AND_ASSIGN(UrlAsyncFetcher); 00087 }; 00088 00089 } 00090 00091 #endif ///< NET_INSTAWEB_HTTP_PUBLIC_URL_ASYNC_FETCHER_H_