1182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski/* 2182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * Copyright (C) 2013 The Android Open Source Project 3182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * 4182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * Licensed under the Apache License, Version 2.0 (the "License"); 5182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * you may not use this file except in compliance with the License. 6182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * You may obtain a copy of the License at 7182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * 8182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * http://www.apache.org/licenses/LICENSE-2.0 9182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * 10182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * Unless required by applicable law or agreed to in writing, software 11182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * distributed under the License is distributed on an "AS IS" BASIS, 12182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * See the License for the specific language governing permissions and 14182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * limitations under the License. 15182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski */ 16182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski 17182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinskipackage com.android.server; 18182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski 19cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onukiimport com.android.internal.annotations.VisibleForTesting; 20cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki 21182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinskiimport android.util.ArrayMap; 22182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski 23182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski/** 24182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * This class is used in a similar way as ServiceManager, except the services registered here 25182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * are not Binder objects and are only available in the same process. 26182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * 27182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * Once all services are converted to the SystemService interface, this class can be absorbed 28182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * into SystemServiceManager. 29b102b2cc73baa20e8cc9e4c081235b031c4e8fe0Adam Lesinski * 30b102b2cc73baa20e8cc9e4c081235b031c4e8fe0Adam Lesinski * {@hide} 31182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski */ 32182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinskipublic final class LocalServices { 33182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski private LocalServices() {} 34182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski 35182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski private static final ArrayMap<Class<?>, Object> sLocalServiceObjects = 36182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski new ArrayMap<Class<?>, Object>(); 37182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski 38182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski /** 39182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * Returns a local service instance that implements the specified interface. 40182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * 41182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * @param type The type of service. 42182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * @return The service object. 43182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski */ 44182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski @SuppressWarnings("unchecked") 45182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski public static <T> T getService(Class<T> type) { 46182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski synchronized (sLocalServiceObjects) { 47182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski return (T) sLocalServiceObjects.get(type); 48182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski } 49182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski } 50182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski 51182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski /** 52182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski * Adds a service instance of the specified interface to the global registry of local services. 53182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski */ 54182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski public static <T> void addService(Class<T> type, T service) { 55182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski synchronized (sLocalServiceObjects) { 56182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski if (sLocalServiceObjects.containsKey(type)) { 57182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski throw new IllegalStateException("Overriding service registration"); 58182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski } 59182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski sLocalServiceObjects.put(type, service); 60182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski } 61182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski } 62cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki 63cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki /** 64cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki * Remove a service instance, must be only used in tests. 65cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki */ 66cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki @VisibleForTesting 67cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki public static <T> void removeServiceForTest(Class<T> type) { 68cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki synchronized (sLocalServiceObjects) { 69cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki sLocalServiceObjects.remove(type); 70cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki } 71cc4bbeb76af92a8484fe05f37c4ff412b4c47cccMakoto Onuki } 72182f73fc4da13a6417e5086ec9ecce80eb8423caAdam Lesinski} 73