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