77 lines
2.7 KiB
Java
77 lines
2.7 KiB
Java
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/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.app;
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import android.app.backup.BackupAgent;
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import android.app.backup.BackupDataInput;
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import android.app.backup.BackupDataOutput;
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import android.app.backup.FileBackupHelper;
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import android.os.ParcelFileDescriptor;
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import android.util.Log;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.LinkedList;
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/**
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* Backs up an application's entire /data/data/<package>/... file system. This
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* class is used by the desktop full backup mechanism and is not intended for direct
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* use by applications.
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*
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* {@hide}
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*/
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public class FullBackupAgent extends BackupAgent {
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// !!! TODO: turn off debugging
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private static final String TAG = "FullBackupAgent";
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private static final boolean DEBUG = true;
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@Override
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public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data,
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ParcelFileDescriptor newState) {
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LinkedList<File> dirsToScan = new LinkedList<File>();
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ArrayList<String> allFiles = new ArrayList<String>();
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// build the list of files in the app's /data/data tree
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dirsToScan.add(getFilesDir());
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if (DEBUG) Log.v(TAG, "Backing up dir tree @ " + getFilesDir().getAbsolutePath() + " :");
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while (dirsToScan.size() > 0) {
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File dir = dirsToScan.removeFirst();
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File[] contents = dir.listFiles();
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if (contents != null) {
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for (File f : contents) {
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if (f.isDirectory()) {
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dirsToScan.add(f);
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} else if (f.isFile()) {
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if (DEBUG) Log.v(TAG, " " + f.getAbsolutePath());
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allFiles.add(f.getAbsolutePath());
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}
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}
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}
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}
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// That's the file set; now back it all up
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FileBackupHelper helper = new FileBackupHelper(this,
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allFiles.toArray(new String[allFiles.size()]));
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helper.performBackup(oldState, data, newState);
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}
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@Override
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public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState) {
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}
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}
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