Page Speed Optimization Libraries
1.6.29.3
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00001 /* 00002 * Copyright 2012 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 */ 00017 00018 #ifndef NET_INSTAWEB_HTTP_PUBLIC_HTTP_VALUE_WRITER_H_ 00019 #define NET_INSTAWEB_HTTP_PUBLIC_HTTP_VALUE_WRITER_H_ 00020 00021 #include "net/instaweb/util/public/basictypes.h" 00022 #include "net/instaweb/util/public/string_util.h" 00023 00024 namespace net_instaweb { 00025 00026 class HTTPCache; 00027 class HTTPValue; 00028 class MessageHandler; 00029 class ResponseHeaders; 00030 00033 class HTTPValueWriter { 00034 public: 00035 HTTPValueWriter(HTTPValue* value, HTTPCache* cache) 00036 : value_(value), 00037 cache_(cache), 00038 has_buffered_(true) {} 00039 00040 void SetHeaders(ResponseHeaders* headers); 00041 00042 bool Write(const StringPiece& str, MessageHandler* handler); 00043 00044 bool has_buffered() const { return has_buffered_; } 00045 00050 bool CheckCanCacheElseClear(ResponseHeaders* headers); 00051 00054 bool CanCacheContent(const StringPiece& str) const; 00055 00056 private: 00057 HTTPValue* value_; 00058 HTTPCache* cache_; 00059 bool has_buffered_; 00060 DISALLOW_COPY_AND_ASSIGN(HTTPValueWriter); 00061 }; 00062 00063 } 00064 #endif ///< NET_INSTAWEB_HTTP_PUBLIC_HTTP_VALUE_WRITER_H_