| /* |
| * Copyright (C) 2021 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.bedstead.nene.utils; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * Collection of {@link String} values which can change behaviour of APIs. |
| */ |
| public final class Tags { |
| |
| public static final String USES_DEVICESTATE = "uses_devicestate"; |
| public static final String USES_NOTIFICATIONS = "uses_notifications"; |
| public static final String INSTANT_APP = "instant_app"; |
| |
| private Tags() { |
| |
| } |
| |
| private static final Set<String> sTags = Collections.newSetFromMap(new ConcurrentHashMap<>()); |
| |
| /** |
| * {@code true} if the tag has been added. |
| */ |
| public static boolean hasTag(String tag) { |
| return sTags.contains(tag); |
| } |
| |
| /** |
| * Clear all added tags. |
| */ |
| public static void clearTags() { |
| sTags.clear(); |
| } |
| |
| /** |
| * Add a tag. |
| */ |
| public static void addTag(String tag) { |
| sTags.add(tag); |
| } |
| } |