| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef MOZC_NET_HTTP_CLIENT_H_ |
| #define MOZC_NET_HTTP_CLIENT_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/port.h" |
| |
| namespace mozc { |
| |
| // Simple synchronous HTTP client |
| // |
| // Usage: |
| // 1) Simple GET |
| // string output; |
| // CHECK(mozc::HTTPClient::Get("http://www.google.com/", &output)); |
| // |
| // 2) GET with some manual options. |
| // mozc::HTTPClient::Option option; |
| // option.timeout = 200; // get data within 200msec |
| // option.headers.push_back("Host: foo.bar.com"); // replace/add header |
| // CHECK(mozc::HTTPClient::Get("http://www.google.com/", option, &output)); |
| // |
| // 3) Rewrite an actual implementation (for unittesting) |
| // class MyHandler: public HTTPClientInterface { .. }; |
| // MyHandler handler; |
| // mozc::HTTPClient::SetHTTPClientInterface(handler); |
| class HTTPClientInterface; |
| |
| class HTTPClient { |
| public: |
| struct Option { |
| bool include_header; // include header in output |
| size_t max_data_size; // maximum data size client can retrieve |
| int32 timeout; // timeout |
| vector<string> headers; // additional headers; |
| |
| // set default parameter |
| Option() |
| : include_header(false), |
| max_data_size(10 * 1024 * 1024), // 10Mbyte |
| timeout(600000) {} // 10min |
| }; |
| |
| // Synchronous HTTP GET, HEAD and POST |
| |
| // string interface |
| static bool Get(const string &url, string *output); |
| static bool Head(const string &url, string *output); |
| static bool Post(const string &url, const string &data, string *output); |
| |
| static bool Get(const string &url, const Option &option, string *output); |
| static bool Head(const string &url, const Option &option, string *output); |
| static bool Post(const string &url, const string &data, |
| const Option &option, string *output); |
| |
| // Inject a dependency for unittesting |
| static void SetHTTPClientHandler(const HTTPClientInterface *handler); |
| |
| private: |
| DISALLOW_IMPLICIT_CONSTRUCTORS(HTTPClient); |
| }; |
| |
| // Interface class for injecting an actual implementation |
| class HTTPClientInterface { |
| public: |
| HTTPClientInterface() {} |
| virtual ~HTTPClientInterface() {} |
| |
| virtual bool Get(const string &url, const HTTPClient::Option &option, |
| string *output) const = 0; |
| virtual bool Head(const string &url, const HTTPClient::Option &option, |
| string *output) const = 0; |
| virtual bool Post(const string &url, const string &data, |
| const HTTPClient::Option &option, |
| string *output) const = 0; |
| }; |
| } // namespace mozc |
| #endif // MOZC_NET_HTTP_CLIENT_H_ |