diff options
Diffstat (limited to 'android/os/ServiceManager.java')
-rw-r--r-- | android/os/ServiceManager.java | 105 |
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); } |