| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.wifi; |
| |
| import android.annotation.NonNull; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| /** Abstraction of android.os.SystemProperties, to enable mocking out its static methods. */ |
| @VisibleForTesting |
| public interface PropertyService { |
| /** |
| * Get the current value of |key|. |
| * @return value of |key|, if key exists; |defaultValue| or empty string otherwise |
| */ |
| @NonNull |
| String get(String key, String defaultValue); |
| |
| /** |
| * Set the value for |key|. |
| * @throws IllegalArgumentException if the key exceeds 32 characters |
| * @throws IllegalArgumentException if the value exceeds 92 characters |
| */ |
| void set(String key, String val); |
| } |