| // Copyright 2012 Google Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // Author: jefftk@google.com (Jeff Kaufman) |
| |
| #ifndef PAGESPEED_SYSTEM_ADD_HEADERS_FETCHER_H_ |
| #define PAGESPEED_SYSTEM_ADD_HEADERS_FETCHER_H_ |
| |
| #include "net/instaweb/http/public/url_async_fetcher.h" |
| #include "pagespeed/kernel/base/basictypes.h" |
| #include "pagespeed/kernel/base/string.h" |
| |
| namespace net_instaweb { |
| |
| class AsyncFetch; |
| class RewriteOptions; |
| class MessageHandler; |
| |
| // A simple wrapper around another fetcher that adds headers to requests based |
| // on settings in the rewrite options before passing them on to the backend |
| // fetcher. |
| class AddHeadersFetcher : public UrlAsyncFetcher { |
| public: |
| // Caller keeps ownership of backend_fetcher. |
| AddHeadersFetcher(const RewriteOptions* options, |
| UrlAsyncFetcher* backend_fetcher); |
| virtual ~AddHeadersFetcher(); |
| |
| virtual bool SupportsHttps() const { |
| return backend_fetcher_->SupportsHttps(); |
| } |
| |
| virtual void Fetch(const GoogleString& url, |
| MessageHandler* message_handler, |
| AsyncFetch* callback); |
| |
| private: |
| const RewriteOptions* const options_; |
| UrlAsyncFetcher* const backend_fetcher_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AddHeadersFetcher); |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // PAGESPEED_SYSTEM_ADD_HEADERS_FETCHER_H_ |
| |