Page Speed Optimization Libraries  1.6.29.3
net/instaweb/rewriter/public/url_input_resource.h
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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 
00020 
00021 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_URL_INPUT_RESOURCE_H_
00022 #define NET_INSTAWEB_REWRITER_PUBLIC_URL_INPUT_RESOURCE_H_
00023 
00024 #include "net/instaweb/rewriter/public/cacheable_resource_base.h"
00025 #include "net/instaweb/util/public/basictypes.h"
00026 #include "net/instaweb/util/public/string.h"
00027 #include "net/instaweb/util/public/string_util.h"
00028 
00029 namespace net_instaweb {
00030 struct ContentType;
00031 class ResponseHeaders;
00032 class RewriteDriver;
00033 class RewriteOptions;
00034 class Statistics;
00035 
00036 class UrlInputResource : public CacheableResourceBase {
00037  public:
00039   virtual ~UrlInputResource();
00040 
00041   static void InitStats(Statistics* stats);
00042 
00043   virtual GoogleString url() const { return url_; }
00044 
00045  protected:
00046   friend class UrlInputResourceTest;
00047   virtual bool IsValidAndCacheableImpl(const ResponseHeaders& headers) const;
00048 
00049  private:
00050   friend class RewriteDriver;
00051   UrlInputResource(RewriteDriver* rewrite_driver,
00052                    const RewriteOptions* options,
00053                    const ContentType* type,
00054                    const StringPiece& url);
00055 
00056   GoogleString url_;
00057   bool respect_vary_;
00058 
00059   DISALLOW_COPY_AND_ASSIGN(UrlInputResource);
00060 };
00061 
00062 }  
00063 
00064 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_URL_INPUT_RESOURCE_H_
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