1 /* 2 * Copyright (c) 2021-2022 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 #ifndef OHOS_GLOBAL_I18N_ZONE_UTIL_H 17 #define OHOS_GLOBAL_I18N_ZONE_UTIL_H 18 19 #include <string> 20 #include <unordered_map> 21 #include <vector> 22 #include "phonenumbers/phonenumberutil.h" 23 #include "strenum.h" 24 25 namespace OHOS { 26 namespace Global { 27 namespace I18n { 28 class ZoneUtil { 29 public: 30 /** 31 * default constructor 32 */ ZoneUtil()33 ZoneUtil() : phone_util(*i18n::phonenumbers::PhoneNumberUtil::GetInstance()) {} 34 35 /** 36 * deconstructor 37 */ ~ZoneUtil()38 ~ZoneUtil() {} 39 40 /** 41 * @brief Get the default timezone for the given country 42 * 43 * @param country Indicating the country code 44 * @return Returns the default timezone if the country code is valid, otherwise 45 * returns an empty string. 46 */ 47 std::string GetDefaultZone(const std::string &country); 48 49 /** 50 * @brief Get the default timezone for the given region code 51 * 52 * @param number Indicating the region code, for example 86 can 53 * be used to retrieve the default timezone of China. 54 * @return Returns the default timezone name if the region code is valid, otherwise 55 * returns an empty string. 56 */ 57 std::string GetDefaultZone(const int32_t number); 58 59 /** 60 * @brief Get the default timezone name for the given country code 61 * 62 * @param country Indicating the country code 63 * @param offset Indicating the offset from GMT(in milliseconds) 64 * @return Returns the default timezone name if the country code is valid, otherwise 65 * returns an empty string. 66 */ 67 std::string GetDefaultZone(const std::string country, const int32_t offset); 68 69 /** 70 * @brief Get the default timezone name for the given region code 71 * 72 * @param number Indicating the region code, for example 86 can 73 * be used to retrieve the default timezone of China. 74 * @param offset Indicating the offset from GMT(in milliseconds). 75 * @return Returns the default timezone name if the country code is valid, otherwise 76 * returns an empty string. 77 */ 78 std::string GetDefaultZone(const int32_t number, const int32_t offset); 79 80 /** 81 * @brief Get the timezone list for the given country code 82 * 83 * @param country Indicating the country code 84 * @param retVec used to store the returned timezones 85 */ 86 void GetZoneList(const std::string country, std::vector<std::string> &retVec); 87 88 /** 89 * @brief Get the timezone list for the given country code 90 * 91 * @param country Indicating the country code 92 * @param offset Indicating the offset from GMT(in milliseconds) 93 * @param retVec used to store the returned timezones 94 */ 95 void GetZoneList(const std::string country, const int32_t offset, std::vector<std::string> &retVec); 96 private: 97 const i18n::phonenumbers::PhoneNumberUtil &phone_util; 98 static std::unordered_map<std::string, std::string> defaultMap; 99 static bool icuInitialized; 100 static void GetList(icu::StringEnumeration *strEnum, std::vector<std::string> &ret); 101 static void GetString(icu::StringEnumeration *strEnum, std::string &ret); 102 static bool Init(); 103 }; 104 } // namespace I18n 105 } // namespace Global 106 } // namespace OHOS 107 #endif 108