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telephony_data_storage/common/include/preferences_util.h
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2021-12-17 16:00:43 +08:00

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef DATA_STORAGE_PREFERENCES_UTILS_H
#define DATA_STORAGE_PREFERENCES_UTILS_H
#include <string>
#include <vector>
#include "singleton.h"
#include "preferences.h"
#include "preferences_errno.h"
#include "preferences_observer.h"
namespace OHOS {
namespace Telephony {
class PreferencesUtil {
DECLARE_DELAYED_SINGLETON(PreferencesUtil);
public:
int SaveString(const std::string &key, const std::string &value);
std::string ObtainString(const std::string &key, const std::string &defValue);
int SaveInt(const std::string &key, int value);
int ObtainInt(const std::string &key, int defValue);
int SaveBool(const std::string &key, bool value);
bool ObtainBool(const std::string &key, bool defValue);
int SaveLong(const std::string &key, int64_t value);
int64_t ObtainLong(const std::string &key, int64_t defValue);
int SaveFloat(const std::string &key, float value);
float ObtainFloat(const std::string &key, float defValue);
bool IsExistKey(const std::string &key);
int RemoveKey(const std::string &key);
int RemoveAll();
void Refresh();
int RefreshSync();
void RegisterObserver(std::shared_ptr<NativePreferences::PreferencesObserver> preferencesObserver);
void UnRegisterObserver(std::shared_ptr<NativePreferences::PreferencesObserver> preferencesObserver);
int DeleteProfiles();
private:
std::shared_ptr<NativePreferences::Preferences> GetProfiles(const std::string &path, int &errCode);
private:
std::string path_ = "/data/data_storage/telephonyProperties.xml";
int errCode_ = NativePreferences::E_OK;
const std::string error_ = "error";
};
} // namespace Telephony
} // namespace OHOS
#endif // DATA_STORAGE_PREFERENCES_UTILS_H