89 lines
2.8 KiB
Java
89 lines
2.8 KiB
Java
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/*
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* Copyright (C) 2016 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 com.android.server.backup;
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import android.accounts.AccountManagerInternal;
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import android.app.backup.BlobBackupHelper;
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import android.util.Slog;
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import com.android.server.LocalServices;
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/**
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* Helper for handling backup of account manager specific state.
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*/
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public class AccountManagerBackupHelper extends BlobBackupHelper {
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private static final String TAG = "AccountsBackup";
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private static final boolean DEBUG = false;
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// current schema of the backup state blob
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private static final int STATE_VERSION = 1;
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// key under which the account access grant state blob is committed to backup
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private static final String KEY_ACCOUNT_ACCESS_GRANTS = "account_access_grants";
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private final int mUserId;
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public AccountManagerBackupHelper(int userId) {
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super(STATE_VERSION, KEY_ACCOUNT_ACCESS_GRANTS);
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mUserId = userId;
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}
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@Override
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protected byte[] getBackupPayload(String key) {
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AccountManagerInternal am = LocalServices.getService(AccountManagerInternal.class);
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if (DEBUG) {
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Slog.d(TAG, "Handling backup of " + key);
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}
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try {
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switch (key) {
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case KEY_ACCOUNT_ACCESS_GRANTS: {
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return am.backupAccountAccessPermissions(mUserId);
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}
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default: {
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Slog.w(TAG, "Unexpected backup key " + key);
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}
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}
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} catch (Exception e) {
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Slog.e(TAG, "Unable to store payload " + key, e);
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}
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return new byte[0];
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}
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@Override
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protected void applyRestoredPayload(String key, byte[] payload) {
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AccountManagerInternal am = LocalServices.getService(AccountManagerInternal.class);
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if (DEBUG) {
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Slog.d(TAG, "Handling restore of " + key);
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}
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try {
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switch (key) {
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case KEY_ACCOUNT_ACCESS_GRANTS: {
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am.restoreAccountAccessPermissions(payload, mUserId);
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} break;
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default: {
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Slog.w(TAG, "Unexpected restore key " + key);
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}
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}
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} catch (Exception e) {
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Slog.e(TAG, "Unable to restore key " + key, e);
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}
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}
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}
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