1 /*
2 * Copyright (c) 2021-2023 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_info_cmd.h"
17 #include "cJSON.h"
18
19 #include "distributed_camera_constants.h"
20 #include "distributed_camera_errno.h"
21 #include "distributed_hardware_log.h"
22
23 namespace OHOS {
24 namespace DistributedHardware {
Marshal(std::string & jsonStr)25 int32_t DCameraInfoCmd::Marshal(std::string& jsonStr)
26 {
27 cJSON *rootValue = cJSON_CreateObject();
28 if (rootValue == nullptr) {
29 return DCAMERA_BAD_VALUE;
30 }
31 cJSON_AddStringToObject(rootValue, "Type", type_.c_str());
32 cJSON_AddStringToObject(rootValue, "dhId", dhId_.c_str());
33 cJSON_AddStringToObject(rootValue, "Command", command_.c_str());
34
35 cJSON *info = cJSON_CreateObject();
36 if (info == nullptr) {
37 cJSON_Delete(rootValue);
38 return DCAMERA_BAD_VALUE;
39 }
40 cJSON_AddNumberToObject(info, "State", value_->state_);
41 cJSON_AddItemToObject(rootValue, "Value", info);
42
43 char *data = cJSON_Print(rootValue);
44 if (data == nullptr) {
45 cJSON_Delete(rootValue);
46 return DCAMERA_BAD_VALUE;
47 }
48 jsonStr = std::string(data);
49 cJSON_Delete(rootValue);
50 cJSON_free(data);
51 return DCAMERA_OK;
52 }
53
Unmarshal(const std::string & jsonStr)54 int32_t DCameraInfoCmd::Unmarshal(const std::string& jsonStr)
55 {
56 cJSON *rootValue = cJSON_Parse(jsonStr.c_str());
57 if (rootValue == nullptr) {
58 return DCAMERA_BAD_VALUE;
59 }
60 cJSON *type = cJSON_GetObjectItemCaseSensitive(rootValue, "Type");
61 if (type == nullptr || !cJSON_IsString(type) || (type->valuestring == nullptr)) {
62 cJSON_Delete(rootValue);
63 return DCAMERA_BAD_VALUE;
64 }
65 type_ = type->valuestring;
66 cJSON *dhId = cJSON_GetObjectItemCaseSensitive(rootValue, "dhId");
67 if (dhId == nullptr || !cJSON_IsString(dhId) || (dhId->valuestring == nullptr)) {
68 cJSON_Delete(rootValue);
69 return DCAMERA_BAD_VALUE;
70 }
71 dhId_ = dhId->valuestring;
72 cJSON *command = cJSON_GetObjectItemCaseSensitive(rootValue, "Command");
73 if (command == nullptr || !cJSON_IsString(command) || (command->valuestring == nullptr)) {
74 cJSON_Delete(rootValue);
75 return DCAMERA_BAD_VALUE;
76 }
77 command_ = command->valuestring;
78 cJSON *valueJson = cJSON_GetObjectItemCaseSensitive(rootValue, "Value");
79 if (valueJson == nullptr || !cJSON_IsObject(valueJson)) {
80 cJSON_Delete(rootValue);
81 return DCAMERA_BAD_VALUE;
82 }
83 cJSON *state = cJSON_GetObjectItemCaseSensitive(valueJson, "State");
84 if (state == nullptr || !cJSON_IsNumber(state)) {
85 cJSON_Delete(rootValue);
86 return DCAMERA_BAD_VALUE;
87 }
88 std::shared_ptr<DCameraInfo> info = std::make_shared<DCameraInfo>();
89 info->state_ = state->valueint;
90
91 value_ = info;
92 cJSON_Delete(rootValue);
93 return DCAMERA_OK;
94 }
95 } // namespace DistributedHardware
96 } // namespace OHOS
97