1 /*
2 * Copyright (c) 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 #define LOG_TAG "SubscribeStrategy"
16
17 #include "subscribe_strategy.h"
18
19 #include "data_proxy/load_config_from_data_proxy_node_strategy.h"
20 #include "general/load_config_common_strategy.h"
21 #include "general/load_config_data_info_strategy.h"
22 #include "general/permission_strategy.h"
23 #include "log_print.h"
24 #include "utils/anonymous.h"
25
26 namespace OHOS::DataShare {
Execute(std::shared_ptr<Context> context,std::function<int32_t ()> process)27 int32_t SubscribeStrategy::Execute(std::shared_ptr<Context> context, std::function<int32_t()> process)
28 {
29 auto &preProcess = GetStrategy();
30 if (preProcess.IsEmpty()) {
31 ZLOGE("get strategy fail, maybe memory not enough");
32 return -1;
33 }
34 context->isRead = true;
35 context->needAutoLoadCallerBundleName = true;
36 if (!preProcess(context)) {
37 ZLOGE("pre process fail, uri: %{public}s", DistributedData::Anonymous::Change(context->uri).c_str());
38 return context->errCode;
39 }
40 return process();
41 }
42
GetStrategy()43 SeqStrategy &SubscribeStrategy::GetStrategy()
44 {
45 std::lock_guard<decltype(mutex_)> lock(mutex_);
46 if (!strategies_.IsEmpty()) {
47 return strategies_;
48 }
49 std::initializer_list<Strategy *> list = {
50 new (std::nothrow)LoadConfigCommonStrategy(),
51 new (std::nothrow)LoadConfigFromDataProxyNodeStrategy(),
52 new (std::nothrow)PermissionStrategy()
53 };
54 auto ret = strategies_.Init(list);
55 if (!ret) {
56 std::for_each(list.begin(), list.end(), [](Strategy *item) {
57 delete item;
58 });
59 return strategies_;
60 }
61 return strategies_;
62 }
63 } // namespace OHOS::DataShare