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 #include "nfc_preferences.h"
16 #include "loghelper.h"
17 #include "nfc_data_share_impl.h"
18
19 namespace OHOS {
20 namespace NFC {
NfcPreferences()21 NfcPreferences::NfcPreferences()
22 {
23 fileName_ = "/data/nfc/nfc_preferences.xml";
24 errCode_ = 0;
25 }
26
~NfcPreferences()27 NfcPreferences::~NfcPreferences()
28 {
29 }
30
GetInstance()31 NfcPreferences& NfcPreferences::GetInstance()
32 {
33 static NfcPreferences nfcPrefImpl;
34 return nfcPrefImpl;
35 }
36
GetPreference(const std::string & fileName)37 std::shared_ptr<NativePreferences::Preferences> NfcPreferences::GetPreference(const std::string& fileName)
38 {
39 DebugLog("Getting preference from distributed data management system");
40 return NativePreferences::PreferencesHelper::GetPreferences(fileName, errCode_);
41 }
42
SetString(const std::string & key,const std::string & value)43 void NfcPreferences::SetString(const std::string& key, const std::string& value)
44 {
45 std::shared_ptr<NativePreferences::Preferences> pref = GetPreference(fileName_);
46 if (!pref) {
47 ErrorLog("NfcPreferences: Preference get null");
48 return;
49 }
50 DebugLog("Set preference with key %{public}s, value %{public}s", key.c_str(), value.c_str());
51 pref->PutString(key, value);
52 pref->Flush();
53 }
54
GetString(const std::string & key)55 std::string NfcPreferences::GetString(const std::string& key)
56 {
57 std::shared_ptr<NativePreferences::Preferences> pref = GetPreference(fileName_);
58 if (!pref) {
59 ErrorLog("NfcPreferences: Preference get null");
60 return "";
61 }
62 DebugLog("Get preference with key %{public}s", key.c_str());
63 return pref->GetString(key, "");
64 }
65
SetInt(const std::string & key,const int value)66 void NfcPreferences::SetInt(const std::string& key, const int value)
67 {
68 std::shared_ptr<NativePreferences::Preferences> pref = GetPreference(fileName_);
69 if (!pref) {
70 ErrorLog("NfcPreferences: Preference get null");
71 return;
72 }
73 DebugLog("Set preference with key %{public}s, value %{public}d", key.c_str(), value);
74 pref->PutInt(key, value);
75 pref->Flush();
76 }
77
GetInt(const std::string & key)78 int NfcPreferences::GetInt(const std::string& key)
79 {
80 std::shared_ptr<NativePreferences::Preferences> pref = GetPreference(fileName_);
81 if (!pref) {
82 ErrorLog("NfcPreferences: Preference get null");
83 return 0;
84 }
85 DebugLog("Get preference with key %{public}s", key.c_str());
86 return pref->GetInt(key, 0);
87 }
88
Clear()89 void NfcPreferences::Clear()
90 {
91 std::shared_ptr<NativePreferences::Preferences> pref = GetPreference(fileName_);
92 if (!pref) {
93 ErrorLog("NfcPreferences: Preference get null");
94 return;
95 }
96 pref->Clear();
97 DebugLog("NfcPreferences: Clear preferences");
98 NativePreferences::PreferencesHelper::DeletePreferences(fileName_);
99 }
100
Delete(const std::string & key)101 void NfcPreferences::Delete(const std::string& key)
102 {
103 std::shared_ptr<NativePreferences::Preferences> pref = GetPreference(fileName_);
104 if (!pref) {
105 ErrorLog("NfcPreferences: Preference get null");
106 return;
107 }
108 DebugLog("NfcPreferences: Delete preference with key %{public}s", key.c_str());
109 pref->Delete(key);
110 pref->FlushSync();
111 }
112 } // NFC
113 } // OHOS