Page Speed Optimization Libraries  1.2.24.1
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/resource.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 MessageHandler;
00032 class RewriteDriver;
00033 class RewriteOptions;
00034 
00035 class UrlInputResource : public Resource {
00036  public:
00037   UrlInputResource(RewriteDriver* rewrite_driver,
00038                    const RewriteOptions* options,
00039                    const ContentType* type,
00040                    const StringPiece& url);
00041   virtual ~UrlInputResource();
00042 
00043   virtual bool IsValidAndCacheable() const;
00044   virtual GoogleString url() const { return url_; }
00045   virtual const RewriteOptions* rewrite_options() const {
00046     return rewrite_options_;
00047   }
00048 
00049   virtual void Freshen(FreshenCallback* callback, MessageHandler* handler);
00050 
00051  protected:
00052   virtual bool Load(MessageHandler* message_handler);
00053   virtual void LoadAndCallback(NotCacheablePolicy not_cacheable_policy,
00054                                AsyncCallback* callback,
00055                                MessageHandler* message_handler);
00056 
00057  private:
00058   GoogleString url_;
00061   RewriteDriver* rewrite_driver_;
00062   const RewriteOptions* rewrite_options_;
00063   bool respect_vary_;
00064 
00065   DISALLOW_COPY_AND_ASSIGN(UrlInputResource);
00066 };
00067 
00068 }  
00069 
00070 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_URL_INPUT_RESOURCE_H_
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