| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef FLUTTER_SHELL_PLATFORM_COMMON_JSON_METHOD_CODEC_H_ |
| #define FLUTTER_SHELL_PLATFORM_COMMON_JSON_METHOD_CODEC_H_ |
| |
| #include <rapidjson/document.h> |
| |
| #include "flutter/shell/platform/common/client_wrapper/include/flutter/method_call.h" |
| #include "flutter/shell/platform/common/client_wrapper/include/flutter/method_codec.h" |
| |
| namespace flutter { |
| |
| // An implementation of MethodCodec that uses JSON strings as the serialization. |
| class JsonMethodCodec : public MethodCodec<rapidjson::Document> { |
| public: |
| // Returns the shared instance of the codec. |
| static const JsonMethodCodec& GetInstance(); |
| |
| ~JsonMethodCodec() = default; |
| |
| // Prevent copying. |
| JsonMethodCodec(JsonMethodCodec const&) = delete; |
| JsonMethodCodec& operator=(JsonMethodCodec const&) = delete; |
| |
| protected: |
| // Instances should be obtained via GetInstance. |
| JsonMethodCodec() = default; |
| |
| // |flutter::MethodCodec| |
| std::unique_ptr<MethodCall<rapidjson::Document>> DecodeMethodCallInternal( |
| const uint8_t* message, |
| const size_t message_size) const override; |
| |
| // |flutter::MethodCodec| |
| std::unique_ptr<std::vector<uint8_t>> EncodeMethodCallInternal( |
| const MethodCall<rapidjson::Document>& method_call) const override; |
| |
| // |flutter::MethodCodec| |
| std::unique_ptr<std::vector<uint8_t>> EncodeSuccessEnvelopeInternal( |
| const rapidjson::Document* result) const override; |
| |
| // |flutter::MethodCodec| |
| std::unique_ptr<std::vector<uint8_t>> EncodeErrorEnvelopeInternal( |
| const std::string& error_code, |
| const std::string& error_message, |
| const rapidjson::Document* error_details) const override; |
| |
| // |flutter::MethodCodec| |
| bool DecodeAndProcessResponseEnvelopeInternal( |
| const uint8_t* response, |
| const size_t response_size, |
| MethodResult<rapidjson::Document>* result) const override; |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_SHELL_PLATFORM_COMMON_JSON_METHOD_CODEC_H_ |