| /* |
| * Copyright (C) 2018 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 android.app.backup; |
| |
| import android.content.Context; |
| import android.os.ParcelFileDescriptor; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| /** |
| * Useful for spying in {@link BackupAgent} instances since their {@link BackupAgent#onBind()} is |
| * final and always points to the original instance, instead of the spy. |
| * |
| * <p>To use, construct a spy of the desired {@link BackupAgent}, spying on the methods of interest. |
| * Then, where you need to pass the agent, use {@link ForwardingBackupAgent#forward(BackupAgent)} |
| * with the spy. |
| */ |
| public class ForwardingBackupAgent extends BackupAgent { |
| /** Returns a {@link BackupAgent} that forwards method calls to {@code backupAgent}. */ |
| public static BackupAgent forward(BackupAgent backupAgent) { |
| return new ForwardingBackupAgent(backupAgent); |
| } |
| |
| private final BackupAgent mBackupAgent; |
| |
| private ForwardingBackupAgent(BackupAgent backupAgent) { |
| mBackupAgent = backupAgent; |
| } |
| |
| @Override |
| public void onCreate() { |
| mBackupAgent.onCreate(); |
| } |
| |
| @Override |
| public void onDestroy() { |
| mBackupAgent.onDestroy(); |
| } |
| |
| @Override |
| public void onBackup( |
| ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) |
| throws IOException { |
| mBackupAgent.onBackup(oldState, data, newState); |
| } |
| |
| @Override |
| public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState) |
| throws IOException { |
| mBackupAgent.onRestore(data, appVersionCode, newState); |
| } |
| |
| @Override |
| public void onRestore(BackupDataInput data, long appVersionCode, ParcelFileDescriptor newState) |
| throws IOException { |
| mBackupAgent.onRestore(data, appVersionCode, newState); |
| } |
| |
| @Override |
| public void onFullBackup(FullBackupDataOutput data) throws IOException { |
| mBackupAgent.onFullBackup(data); |
| } |
| |
| @Override |
| public void onQuotaExceeded(long backupDataBytes, long quotaBytes) { |
| mBackupAgent.onQuotaExceeded(backupDataBytes, quotaBytes); |
| } |
| |
| @Override |
| public void onRestoreFile( |
| ParcelFileDescriptor data, long size, File destination, int type, long mode, long mtime) |
| throws IOException { |
| mBackupAgent.onRestoreFile(data, size, destination, type, mode, mtime); |
| } |
| |
| @Override |
| protected void onRestoreFile( |
| ParcelFileDescriptor data, |
| long size, |
| int type, |
| String domain, |
| String path, |
| long mode, |
| long mtime) |
| throws IOException { |
| mBackupAgent.onRestoreFile(data, size, type, domain, path, mode, mtime); |
| } |
| |
| @Override |
| public void onRestoreFinished() { |
| mBackupAgent.onRestoreFinished(); |
| } |
| |
| @Override |
| public void attach(Context context) { |
| mBackupAgent.attach(context); |
| } |
| } |