1 /*
2  * Copyright (c) 2024 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 #ifndef OHOS_DP_STATIC_CAPABILITY_LOADER_H
17 #define OHOS_DP_STATIC_CAPABILITY_LOADER_H
18 
19 #include "cJSON.h"
20 #include <unordered_map>
21 
22 #include "characteristic_profile.h"
23 #include "distributed_device_profile_log.h"
24 #include "single_instance.h"
25 
26 namespace OHOS {
27 namespace DistributedDeviceProfile {
28 class StaticCapabilityLoader {
29 DECLARE_SINGLE_INSTANCE(StaticCapabilityLoader)
30 
31 public:
32     int32_t Init();
33     int32_t UnInit();
34     int32_t LoadStaticCapability(std::string& staticCapability);
35     int32_t LoadStaticInfo(const std::string& staticCapability, std::string& staticVersion,
36         std::unordered_map<std::string, CharacteristicProfile>& charProfiles);
37     int32_t LoadStaticProfiles(const std::string& deviceId, const std::string& staticCapability,
38         const std::string& staticVersion, std::unordered_map<std::string, CharacteristicProfile>& charProfiles);
39 
40 private:
41     int32_t LoadJsonFile(const std::string& filePath, std::string& fileContent);
42     int32_t GetStaticCapability(const cJSON* const staticCapabilityJson, std::string& staticCapability);
43     int32_t GetStaticInfo(const cJSON* const staticInfoJson, const std::string& staticCapability,
44         std::string& staticVersion, std::unordered_map<std::string, CharacteristicProfile>& charProfiles);
45     int32_t GetStaticInfoByVersion(const std::string& deviceId, const std::string& staticCapability,
46         const cJSON* const staticInfoJson, const std::string& staticVersion,
47         std::unordered_map<std::string, CharacteristicProfile>& charProfiles);
48     cJSON* GetLatestStaticInfoJson(const cJSON* const staticInfoJson);
49     cJSON* GetStaticInfoJsonByVersion(const cJSON* const staticInfoJson, const std::string& staticVersion);
50     int32_t GetStaticVersion(const cJSON* const staticInfoJson, std::string& staticVersion);
51     int32_t GenerateStaticProfiles(const std::string& deviceId, const std::string& staticCapability,
52         const cJSON* const staticInfoJson, std::unordered_map<std::string, CharacteristicProfile>& charProfiles);
53     void InitStaticCapability(int32_t size, std::string& staticCapability);
54     void SetStaticCapability(const cJSON* const staticCapabilities, std::string& staticCapability);
55     void SetStaticCapabilityFlag(const std::string& handlerName, const std::string& handlerLoc,
56         std::string& staticCapability);
57     bool GetStaticCapabilityValue(const std::string& handlerLoc);
58     bool HasStaticCapability(const std::string& serviceId, const std::string& staticCapability);
59     bool StaticVersionCheck(const std::string& peerVersion, const std::string& localVersion);
60     bool IsValidVersion(const std::string& version);
61 };
62 }
63 }
64 #endif // OHOS_DP_STATIC_CAPABILITY_LOADER_H
65