| /* |
| * Copyright (C) 2017 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.backup.utils; |
| |
| import static com.android.server.backup.BackupManagerService.TAG; |
| |
| import android.app.backup.IFullBackupRestoreObserver; |
| import android.os.RemoteException; |
| import android.util.Slog; |
| |
| /** |
| * Utility methods to communicate with FullBackupRestoreObserver. |
| */ |
| public class FullBackupRestoreObserverUtils { |
| /** |
| * Wraps {@link IFullBackupRestoreObserver#onStartRestore()} to handle RemoteException, so that |
| * the caller doesn't have to. |
| * |
| * @param observer - IFullBackupRestoreObserver to communicate with. |
| * @return observer if the call worked and null if there was a communication problem. |
| */ |
| public static IFullBackupRestoreObserver sendStartRestore(IFullBackupRestoreObserver observer) { |
| if (observer != null) { |
| try { |
| observer.onStartRestore(); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "full restore observer went away: startRestore"); |
| observer = null; |
| } |
| } |
| return observer; |
| } |
| |
| /** |
| * Wraps {@link IFullBackupRestoreObserver#onRestorePackage(String)} to handle RemoteException, |
| * so that the caller doesn't have to. |
| * |
| * @param observer - IFullBackupRestoreObserver to communicate with. |
| * @param name - package name. |
| * @return observer if the call worked and null if there was a communication problem. |
| */ |
| public static IFullBackupRestoreObserver sendOnRestorePackage( |
| IFullBackupRestoreObserver observer, String name) { |
| if (observer != null) { |
| try { |
| // TODO: use a more user-friendly name string |
| observer.onRestorePackage(name); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "full restore observer went away: restorePackage"); |
| observer = null; |
| } |
| } |
| return observer; |
| } |
| |
| /** |
| * Wraps {@link IFullBackupRestoreObserver#onEndRestore()} ()} to handle RemoteException, so |
| * that the caller doesn't have to. |
| * |
| * @param observer - IFullBackupRestoreObserver to communicate with. |
| * @return observer if the call worked and null if there was a communication problem. |
| */ |
| public static IFullBackupRestoreObserver sendEndRestore(IFullBackupRestoreObserver observer) { |
| if (observer != null) { |
| try { |
| observer.onEndRestore(); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "full restore observer went away: endRestore"); |
| observer = null; |
| } |
| } |
| return observer; |
| } |
| } |