1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.server.backup.utils; 18 19 import static com.android.server.backup.BackupManagerService.TAG; 20 21 import android.app.backup.BackupProgress; 22 import android.app.backup.IBackupObserver; 23 import android.os.RemoteException; 24 import android.util.Slog; 25 26 /** 27 * Utility methods to communicate with BackupObserver. 28 */ 29 public class BackupObserverUtils { 30 /** 31 * Wraps {@link IBackupObserver#onUpdate(String, BackupProgress)} to handle RemoteException, 32 * so that the caller doesn't have to. 33 */ sendBackupOnUpdate(IBackupObserver observer, String packageName, BackupProgress progress)34 public static void sendBackupOnUpdate(IBackupObserver observer, String packageName, 35 BackupProgress progress) { 36 if (observer != null) { 37 try { 38 observer.onUpdate(packageName, progress); 39 } catch (RemoteException e) { 40 Slog.w(TAG, "Backup observer went away: onUpdate"); 41 } 42 } 43 } 44 45 /** 46 * Wraps {@link IBackupObserver#onResult(String, int)} to handle RemoteException, so that the 47 * caller doesn't have to. 48 */ sendBackupOnPackageResult(IBackupObserver observer, String packageName, int status)49 public static void sendBackupOnPackageResult(IBackupObserver observer, String packageName, 50 int status) { 51 if (observer != null) { 52 try { 53 observer.onResult(packageName, status); 54 } catch (RemoteException e) { 55 Slog.w(TAG, "Backup observer went away: onResult"); 56 } 57 } 58 } 59 60 /** 61 * Wraps {@link IBackupObserver#backupFinished(int)} to handle RemoteException, so that the 62 * caller doesn't have to. 63 */ sendBackupFinished(IBackupObserver observer, int status)64 public static void sendBackupFinished(IBackupObserver observer, int status) { 65 if (observer != null) { 66 try { 67 observer.backupFinished(status); 68 } catch (RemoteException e) { 69 Slog.w(TAG, "Backup observer went away: backupFinished"); 70 } 71 } 72 } 73 } 74