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json_method_codec.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef FLUTTER_SHELL_PLATFORM_COMMON_JSON_METHOD_CODEC_H_
6 #define FLUTTER_SHELL_PLATFORM_COMMON_JSON_METHOD_CODEC_H_
7
8 #include <rapidjson/document.h>
9
10 #include "flutter/shell/platform/common/client_wrapper/include/flutter/method_call.h"
11 #include "flutter/shell/platform/common/client_wrapper/include/flutter/method_codec.h"
12
13 namespace flutter {
14
15 // An implementation of MethodCodec that uses JSON strings as the serialization.
16 class JsonMethodCodec : public MethodCodec<rapidjson::Document> {
17 public:
18 // Returns the shared instance of the codec.
19 static const JsonMethodCodec& GetInstance();
20
21 ~JsonMethodCodec() = default;
22
23 // Prevent copying.
24 JsonMethodCodec(JsonMethodCodec const&) = delete;
25 JsonMethodCodec& operator=(JsonMethodCodec const&) = delete;
26
27 protected:
28 // Instances should be obtained via GetInstance.
29 JsonMethodCodec() = default;
30
31 // |flutter::MethodCodec|
32 std::unique_ptr<MethodCall<rapidjson::Document>> DecodeMethodCallInternal(
33 const uint8_t* message,
34 const size_t message_size) const override;
35
36 // |flutter::MethodCodec|
37 std::unique_ptr<std::vector<uint8_t>> EncodeMethodCallInternal(
38 const MethodCall<rapidjson::Document>& method_call) const override;
39
40 // |flutter::MethodCodec|
41 std::unique_ptr<std::vector<uint8_t>> EncodeSuccessEnvelopeInternal(
42 const rapidjson::Document* result) const override;
43
44 // |flutter::MethodCodec|
45 std::unique_ptr<std::vector<uint8_t>> EncodeErrorEnvelopeInternal(
46 const std::string& error_code,
47 const std::string& error_message,
48 const rapidjson::Document* error_details) const override;
49
50 // |flutter::MethodCodec|
51 bool DecodeAndProcessResponseEnvelopeInternal(
52 const uint8_t* response,
53 const size_t response_size,
54 MethodResult<rapidjson::Document>* result) const override;
55 };
56
57 } // namespace flutter
58
59 #endif // FLUTTER_SHELL_PLATFORM_COMMON_JSON_METHOD_CODEC_H_
flutter::JsonMethodCodec::DecodeMethodCallInternal
std::unique_ptr< MethodCall< rapidjson::Document > > DecodeMethodCallInternal(const uint8_t *message, const size_t message_size) const override
Definition: json_method_codec.cc:42
flutter::JsonMethodCodec
Definition: json_method_codec.h:16
method_codec.h
flutter::JsonMethodCodec::EncodeSuccessEnvelopeInternal
std::unique_ptr< std::vector< uint8_t > > EncodeSuccessEnvelopeInternal(const rapidjson::Document *result) const override
Definition: json_method_codec.cc:86
flutter::JsonMethodCodec::operator=
JsonMethodCodec & operator=(JsonMethodCodec const &)=delete
flutter::JsonMethodCodec::GetInstance
static const JsonMethodCodec & GetInstance()
Definition: json_method_codec.cc:36
flutter::MethodCall
Definition: method_call.h:18
flutter::JsonMethodCodec::DecodeAndProcessResponseEnvelopeInternal
bool DecodeAndProcessResponseEnvelopeInternal(const uint8_t *response, const size_t response_size, MethodResult< rapidjson::Document > *result) const override
Definition: json_method_codec.cc:118
flutter::JsonMethodCodec::EncodeMethodCallInternal
std::unique_ptr< std::vector< uint8_t > > EncodeMethodCallInternal(const MethodCall< rapidjson::Document > &method_call) const override
Definition: json_method_codec.cc:67
flutter
Definition: AccessibilityBridgeMac.h:16
flutter::JsonMethodCodec::~JsonMethodCodec
~JsonMethodCodec()=default
flutter::MethodResult
Definition: method_result.h:17
flutter::MethodCodec
Definition: method_codec.h:20
flutter::JsonMethodCodec::EncodeErrorEnvelopeInternal
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
Definition: json_method_codec.cc:100
flutter::JsonMethodCodec::JsonMethodCodec
JsonMethodCodec()=default
method_call.h