Page Speed Optimization Libraries  1.3.25.1
net/instaweb/http/public/http_value_writer.h
Go to the documentation of this file.
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_
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines