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-rw-r--r--android/os/ServiceManager.java105
1 files changed, 95 insertions, 10 deletions
diff --git a/android/os/ServiceManager.java b/android/os/ServiceManager.java
index 34c78455..f41848fa 100644
--- a/android/os/ServiceManager.java
+++ b/android/os/ServiceManager.java
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2009 The Android Open Source Project
+ * Copyright (C) 2007 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.
@@ -16,9 +16,29 @@
package android.os;
+import android.util.Log;
+
+import com.android.internal.os.BinderInternal;
+
+import java.util.HashMap;
import java.util.Map;
+/** @hide */
public final class ServiceManager {
+ private static final String TAG = "ServiceManager";
+ private static IServiceManager sServiceManager;
+ private static HashMap<String, IBinder> sCache = new HashMap<String, IBinder>();
+
+ private static IServiceManager getIServiceManager() {
+ if (sServiceManager != null) {
+ return sServiceManager;
+ }
+
+ // Find the service manager
+ sServiceManager = ServiceManagerNative
+ .asInterface(Binder.allowBlocking(BinderInternal.getContextObject()));
+ return sServiceManager;
+ }
/**
* Returns a reference to a service with the given name.
@@ -27,14 +47,32 @@ public final class ServiceManager {
* @return a reference to the service, or <code>null</code> if the service doesn't exist
*/
public static IBinder getService(String name) {
+ try {
+ IBinder service = sCache.get(name);
+ if (service != null) {
+ return service;
+ } else {
+ return Binder.allowBlocking(getIServiceManager().getService(name));
+ }
+ } catch (RemoteException e) {
+ Log.e(TAG, "error in getService", e);
+ }
return null;
}
/**
- * Is not supposed to return null, but that is fine for layoutlib.
+ * Returns a reference to a service with the given name, or throws
+ * {@link NullPointerException} if none is found.
+ *
+ * @hide
*/
public static IBinder getServiceOrThrow(String name) throws ServiceNotFoundException {
- throw new ServiceNotFoundException(name);
+ final IBinder binder = getService(name);
+ if (binder != null) {
+ return binder;
+ } else {
+ throw new ServiceNotFoundException(name);
+ }
}
/**
@@ -45,7 +83,39 @@ public final class ServiceManager {
* @param service the service object
*/
public static void addService(String name, IBinder service) {
- // pass
+ addService(name, service, false, IServiceManager.DUMP_PRIORITY_NORMAL);
+ }
+
+ /**
+ * Place a new @a service called @a name into the service
+ * manager.
+ *
+ * @param name the name of the new service
+ * @param service the service object
+ * @param allowIsolated set to true to allow isolated sandboxed processes
+ * to access this service
+ */
+ public static void addService(String name, IBinder service, boolean allowIsolated) {
+ addService(name, service, allowIsolated, IServiceManager.DUMP_PRIORITY_NORMAL);
+ }
+
+ /**
+ * Place a new @a service called @a name into the service
+ * manager.
+ *
+ * @param name the name of the new service
+ * @param service the service object
+ * @param allowIsolated set to true to allow isolated sandboxed processes
+ * @param dumpPriority supported dump priority levels as a bitmask
+ * to access this service
+ */
+ public static void addService(String name, IBinder service, boolean allowIsolated,
+ int dumpPriority) {
+ try {
+ getIServiceManager().addService(name, service, allowIsolated, dumpPriority);
+ } catch (RemoteException e) {
+ Log.e(TAG, "error in addService", e);
+ }
}
/**
@@ -53,7 +123,17 @@ public final class ServiceManager {
* service manager. Non-blocking.
*/
public static IBinder checkService(String name) {
- return null;
+ try {
+ IBinder service = sCache.get(name);
+ if (service != null) {
+ return service;
+ } else {
+ return Binder.allowBlocking(getIServiceManager().checkService(name));
+ }
+ } catch (RemoteException e) {
+ Log.e(TAG, "error in checkService", e);
+ return null;
+ }
}
/**
@@ -62,9 +142,12 @@ public final class ServiceManager {
* case of an exception
*/
public static String[] listServices() {
- // actual implementation returns null sometimes, so it's ok
- // to return null instead of an empty list.
- return null;
+ try {
+ return getIServiceManager().listServices(IServiceManager.DUMP_PRIORITY_ALL);
+ } catch (RemoteException e) {
+ Log.e(TAG, "error in listServices", e);
+ return null;
+ }
}
/**
@@ -76,7 +159,10 @@ public final class ServiceManager {
* @hide
*/
public static void initServiceCache(Map<String, IBinder> cache) {
- // pass
+ if (sCache.size() != 0) {
+ throw new IllegalStateException("setServiceCache may only be called once");
+ }
+ sCache.putAll(cache);
}
/**
@@ -87,7 +173,6 @@ public final class ServiceManager {
* @hide
*/
public static class ServiceNotFoundException extends Exception {
- // identical to the original implementation
public ServiceNotFoundException(String name) {
super("No service published for: " + name);
}