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.DEBUG; 20 import static com.android.server.backup.BackupManagerService.TAG; 21 22 import android.app.backup.BackupProgress; 23 import android.app.backup.IBackupObserver; 24 import android.os.RemoteException; 25 import android.util.Slog; 26 27 /** 28 * Utility methods to communicate with BackupObserver. 29 */ 30 public class BackupObserverUtils { 31 /** 32 * Wraps {@link IBackupObserver#onUpdate(String, BackupProgress)} to handle RemoteException, 33 * so that the caller doesn't have to. 34 */ sendBackupOnUpdate(IBackupObserver observer, String packageName, BackupProgress progress)35 public static void sendBackupOnUpdate(IBackupObserver observer, String packageName, 36 BackupProgress progress) { 37 if (observer != null) { 38 try { 39 observer.onUpdate(packageName, progress); 40 } catch (RemoteException e) { 41 if (DEBUG) { 42 Slog.w(TAG, "Backup observer went away: onUpdate"); 43 } 44 } 45 } 46 } 47 48 /** 49 * Wraps {@link IBackupObserver#onResult(String, int)} to handle RemoteException, so that the 50 * caller doesn't have to. 51 */ sendBackupOnPackageResult(IBackupObserver observer, String packageName, int status)52 public static void sendBackupOnPackageResult(IBackupObserver observer, String packageName, 53 int status) { 54 if (observer != null) { 55 try { 56 observer.onResult(packageName, status); 57 } catch (RemoteException e) { 58 if (DEBUG) { 59 Slog.w(TAG, "Backup observer went away: onResult"); 60 } 61 } 62 } 63 } 64 65 /** 66 * Wraps {@link IBackupObserver#backupFinished(int)} to handle RemoteException, so that the 67 * caller doesn't have to. 68 */ sendBackupFinished(IBackupObserver observer, int status)69 public static void sendBackupFinished(IBackupObserver observer, int status) { 70 if (observer != null) { 71 try { 72 observer.backupFinished(status); 73 } catch (RemoteException e) { 74 if (DEBUG) { 75 Slog.w(TAG, "Backup observer went away: backupFinished"); 76 } 77 } 78 } 79 } 80 } 81