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1 // Copyright (C) 2013 Google Inc. | 1 // Copyright (C) 2013 Google Inc. |
2 // | 2 // |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
6 // | 6 // |
7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
8 // | 8 // |
9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
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43 typedef i18n::addressinput::Callback<std::string, std::string> Callback; | 43 typedef i18n::addressinput::Callback<std::string, std::string> Callback; |
44 | 44 |
45 Retriever(const std::string& validation_data_url, | 45 Retriever(const std::string& validation_data_url, |
46 scoped_ptr<const Downloader> downloader, | 46 scoped_ptr<const Downloader> downloader, |
47 scoped_ptr<Storage> storage); | 47 scoped_ptr<Storage> storage); |
48 ~Retriever(); | 48 ~Retriever(); |
49 | 49 |
50 // Retrieves the data for |key| and invokes the |retrieved| callback. Checks | 50 // Retrieves the data for |key| and invokes the |retrieved| callback. Checks |
51 // for the data in storage first. If storage does not have the data for |key|, | 51 // for the data in storage first. If storage does not have the data for |key|, |
52 // then downloads the data and places it in storage. | 52 // then downloads the data and places it in storage. |
53 void Retrieve(const std::string& key, scoped_ptr<Callback> retrieved) const; | 53 void Retrieve(const std::string& key, scoped_ptr<Callback> retrieved); |
54 | 54 |
55 private: | 55 private: |
56 const LookupKeyUtil lookup_key_util_; | 56 const LookupKeyUtil lookup_key_util_; |
57 scoped_ptr<const Downloader> downloader_; | 57 scoped_ptr<const Downloader> downloader_; |
58 scoped_ptr<Storage> storage_; | 58 scoped_ptr<Storage> storage_; |
59 | 59 |
60 DISALLOW_COPY_AND_ASSIGN(Retriever); | 60 DISALLOW_COPY_AND_ASSIGN(Retriever); |
61 }; | 61 }; |
62 | 62 |
63 } // namespace addressinput | 63 } // namespace addressinput |
64 } // namespace i18n | 64 } // namespace i18n |
65 | 65 |
66 #endif // I18N_ADDRESSINPUT_RETRIEVER_H_ | 66 #endif // I18N_ADDRESSINPUT_RETRIEVER_H_ |
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