Page Speed Optimization Libraries
1.4.26.1
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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 <set> 00023 00024 #include "net/instaweb/http/public/content_type.h" 00025 #include "net/instaweb/util/public/basictypes.h" 00026 #include "net/instaweb/util/public/string.h" 00027 00028 namespace net_instaweb { 00029 00030 class AsyncFetch; 00031 class MessageHandler; 00032 00036 class UrlAsyncFetcher { 00037 public: 00038 static const int64 kUnspecifiedTimeout; 00039 00041 static const char kStatisticsGroup[]; 00042 00043 virtual ~UrlAsyncFetcher(); 00044 00054 virtual void Fetch(const GoogleString& url, 00055 MessageHandler* message_handler, 00056 AsyncFetch* fetch) = 0; 00057 00060 virtual bool SupportsHttps() const { return true; } 00061 00064 virtual int64 timeout_ms() { return kUnspecifiedTimeout; } 00065 00070 virtual void ShutDown(); 00071 00074 void set_fetch_with_gzip(bool x) { fetch_with_gzip_ = x; } 00075 bool fetch_with_gzip() const { return fetch_with_gzip_; } 00076 00081 AsyncFetch* EnableInflation( 00082 AsyncFetch* fetch, 00083 const std::set<const ContentType*>* inflation_content_type_blacklist) 00084 const; 00085 00086 protected: 00089 UrlAsyncFetcher() : fetch_with_gzip_(false) {} 00090 00091 private: 00092 bool fetch_with_gzip_; 00093 00094 DISALLOW_COPY_AND_ASSIGN(UrlAsyncFetcher); 00095 }; 00096 00097 } 00098 00099 #endif ///< NET_INSTAWEB_HTTP_PUBLIC_URL_ASYNC_FETCHER_H_