mirror of
https://gitee.com/openharmony/interface_sdk-js
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103 lines
3.3 KiB
TypeScript
103 lines
3.3 KiB
TypeScript
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { AsyncCallback, BusinessError } from './basic';
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/**
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* The interface of system parameters class.
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*
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* @since 6
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* @syscap SystemCapability.Startup.SystemInfo
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* @systemapi Hide this for inner system use.
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*/
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declare namespace systemParameter {
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/**
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* Gets the value of the attribute with the specified key.
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*
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* @param key Key of the system attribute.
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* @param def Default value.
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* @return if the parameter is empty or doesn't exist, empty string will be returned.
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* @syscap SystemCapability.Startup.SystemInfo
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* @since 6
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*/
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function getSync(key: string, def?: string): string;
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/**
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* Gets the value of the attribute with the specified key.
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*
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* @param key Key of the system attribute.
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* @param callback Callback function.
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* @syscap SystemCapability.Startup.SystemInfo
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* @since 6
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*/
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function get(key: string, callback: AsyncCallback<string>): void;
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/**
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* Gets the value of the attribute with the specified key.
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*
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* @param key Key of the system attribute.
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* @param def Default value.
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* @param callback Callback function.
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* @syscap SystemCapability.Startup.SystemInfo
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* @since 6
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*/
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function get(key: string, def: string, callback: AsyncCallback<string>): void;
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/**
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* Gets the value of the attribute with the specified key.
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*
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* @param key Key of the system attribute.
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* @param def Default value.
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* @return Promise, which is used to obtain the result asynchronously.
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* @syscap SystemCapability.Startup.SystemInfo
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* @since 6
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*/
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function get(key: string, def?: string): Promise<string>;
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/**
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* Sets a value for the attribute with the specified key.
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*
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* @param key Key of the system attribute.
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* @param value System attribute value to set.
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* @syscap SystemCapability.Startup.SystemInfo
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* @since 6
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*/
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function setSync(key: string, value: string): void;
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/**
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* Sets a value for the attribute with the specified key.
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*
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* @param key Key of the system attribute.
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* @param value System attribute value to set.
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* @param callback Callback function.
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* @syscap SystemCapability.Startup.SystemInfo
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* @since 6
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*/
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function set(key: string, value: string, callback: AsyncCallback<void>): void;
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/**
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* Sets a value for the attribute with the specified key.
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*
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* @param key Key of the system attribute.
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* @param value Default value.
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* @return Promise, which is used to obtain the result asynchronously.
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* @syscap SystemCapability.Startup.SystemInfo
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* @since 6
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*/
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function set(key: string, value: string): Promise<void>;
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}
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export default systemParameter;
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