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-rw-r--r--services/core/java/com/android/server/LocalServices.java58
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diff --git a/services/core/java/com/android/server/LocalServices.java b/services/core/java/com/android/server/LocalServices.java
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+/*
+ * Copyright (C) 2013 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;
+
+import android.util.ArrayMap;
+
+/**
+ * This class is used in a similar way as ServiceManager, except the services registered here
+ * are not Binder objects and are only available in the same process.
+ *
+ * Once all services are converted to the SystemService interface, this class can be absorbed
+ * into SystemServiceManager.
+ */
+public final class LocalServices {
+ private LocalServices() {}
+
+ private static final ArrayMap<Class<?>, Object> sLocalServiceObjects =
+ new ArrayMap<Class<?>, Object>();
+
+ /**
+ * Returns a local service instance that implements the specified interface.
+ *
+ * @param type The type of service.
+ * @return The service object.
+ */
+ @SuppressWarnings("unchecked")
+ public static <T> T getService(Class<T> type) {
+ synchronized (sLocalServiceObjects) {
+ return (T) sLocalServiceObjects.get(type);
+ }
+ }
+
+ /**
+ * Adds a service instance of the specified interface to the global registry of local services.
+ */
+ public static <T> void addService(Class<T> type, T service) {
+ synchronized (sLocalServiceObjects) {
+ if (sLocalServiceObjects.containsKey(type)) {
+ throw new IllegalStateException("Overriding service registration");
+ }
+ sLocalServiceObjects.put(type, service);
+ }
+ }
+}