1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (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 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "dcamera_metadata_setting_cmd.h" 17 18 #include "json/json.h" 19 20 #include "distributed_camera_constants.h" 21 #include "distributed_camera_errno.h" 22 #include "distributed_hardware_log.h" 23 24 namespace OHOS { 25 namespace DistributedHardware { Marshal(std::string & jsonStr)26int32_t DCameraMetadataSettingCmd::Marshal(std::string& jsonStr) 27 { 28 Json::Value rootValue; 29 rootValue["Type"] = Json::Value(type_); 30 rootValue["dhId"] = Json::Value(dhId_); 31 rootValue["Command"] = Json::Value(command_); 32 33 Json::Value settings; 34 for (auto iter = value_.begin(); iter != value_.end(); iter++) { 35 Json::Value setting; 36 setting["SettingType"] = (*iter)->type_; 37 setting["SettingValue"] = (*iter)->value_; 38 settings.append(setting); 39 } 40 41 rootValue["Value"] = settings; 42 jsonStr = rootValue.toStyledString(); 43 return DCAMERA_OK; 44 } 45 Unmarshal(const std::string & jsonStr)46int32_t DCameraMetadataSettingCmd::Unmarshal(const std::string& jsonStr) 47 { 48 JSONCPP_STRING errs; 49 Json::CharReaderBuilder readerBuilder; 50 Json::Value rootValue; 51 52 std::unique_ptr<Json::CharReader> const jsonReader(readerBuilder.newCharReader()); 53 if (!jsonReader->parse(jsonStr.c_str(), jsonStr.c_str() + jsonStr.length(), &rootValue, &errs) || 54 !rootValue.isObject()) { 55 return DCAMERA_BAD_VALUE; 56 } 57 58 if (!rootValue.isMember("Type") || !rootValue["Type"].isString()) { 59 return DCAMERA_BAD_VALUE; 60 } 61 type_ = rootValue["Type"].asString(); 62 63 if (!rootValue.isMember("dhId") || !rootValue["dhId"].isString()) { 64 return DCAMERA_BAD_VALUE; 65 } 66 dhId_ = rootValue["dhId"].asString(); 67 68 if (!rootValue.isMember("Command") || !rootValue["Command"].isString()) { 69 return DCAMERA_BAD_VALUE; 70 } 71 command_ = rootValue["Command"].asString(); 72 73 if (!rootValue.isMember("Value") || !rootValue["Value"].isArray()) { 74 return DCAMERA_BAD_VALUE; 75 } 76 77 for (Json::ArrayIndex i = 0; i < rootValue["Value"].size(); i++) { 78 Json::Value valueJsonEle = rootValue["Value"][i]; 79 if (!valueJsonEle.isMember("SettingType") || !valueJsonEle["SettingType"].isInt()) { 80 return DCAMERA_BAD_VALUE; 81 } 82 if (!valueJsonEle.isMember("SettingValue") || !valueJsonEle["SettingValue"].isString()) { 83 return DCAMERA_BAD_VALUE; 84 } 85 std::shared_ptr<DCameraSettings> setting = std::make_shared<DCameraSettings>(); 86 setting->type_ = (DCSettingsType)valueJsonEle["SettingType"].asInt(); 87 setting->value_ = valueJsonEle["SettingValue"].asString(); 88 value_.push_back(setting); 89 } 90 return DCAMERA_OK; 91 } 92 } // namespace DistributedHardware 93 } // namespace OHOS 94