1 /*
2  * Copyright (c) 2022 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 #ifndef NFC_PREFERENCES_H
16 #define NFC_PREFERENCES_H
17 #include "preferences.h"
18 #include "preferences_helper.h"
19 
20 namespace OHOS {
21 namespace NFC {
22 const std::string PREF_KEY_STATE = "pref_key_nfc_state";
23 class NfcPreferences {
24 public:
25     NfcPreferences();
26     ~NfcPreferences();
27     static NfcPreferences& GetInstance();
28 
29     void SetString(const std::string& key, const std::string& value);
30     std::string GetString(const std::string& key);
31     void SetInt(const std::string& key, const int value);
32     int GetInt(const std::string& key);
33     void Clear();
34     void Delete(const std::string& key);
35 
36     void UpdateNfcState(int newState);
37     int GetNfcState();
38 
39 private:
40     std::shared_ptr<NativePreferences::Preferences> GetPreference(const std::string& fileName);
41     int errCode_;
42     std::string fileName_;
43 };
44 } // NFC
45 } // OHOS
46 #endif // NFC_PREFERENCES_H