/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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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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package com.android.server.wifi;
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import android.annotation.NonNull;
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import com.android.internal.annotations.VisibleForTesting;
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/** Abstraction of android.os.SystemProperties, to enable mocking out its static methods. */
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@VisibleForTesting
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public interface PropertyService {
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/**
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* Get the current value of |key|.
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* @return value of |key|, if key exists; |defaultValue| or empty string otherwise
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*/
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@NonNull
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String get(String key, String defaultValue);
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/**
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* Set the value for |key|.
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* @throws IllegalArgumentException if the key exceeds 32 characters
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* @throws IllegalArgumentException if the value exceeds 92 characters
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*/
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void set(String key, String val);
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/**
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* Get the current value of |key|.
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* @return value of |key|, if key exists; |defaultValue| otherwise
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*/
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boolean getBoolean(String key, boolean defaultValue);
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/**
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* Get the current value of |key|.
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* @return value of |key|, if key exists; |defaultValue| otherwise
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*/
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String getString(String key, String defaultValue);
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}
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