1 /* 2 * Copyright (C) 2015 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.updates; 18 19 import android.util.Slog; 20 21 import java.io.File; 22 import java.io.IOException; 23 import libcore.tzdata.update.TzDataBundleInstaller; 24 25 /** 26 * An install receiver responsible for installing timezone data updates. 27 */ 28 public class TzDataInstallReceiver extends ConfigUpdateInstallReceiver { 29 30 private static final String TAG = "TZDataInstallReceiver"; 31 32 private static final File TZ_DATA_DIR = new File("/data/misc/zoneinfo"); 33 private static final String UPDATE_DIR_NAME = TZ_DATA_DIR.getPath() + "/updates/"; 34 private static final String UPDATE_METADATA_DIR_NAME = "metadata/"; 35 private static final String UPDATE_VERSION_FILE_NAME = "version"; 36 private static final String UPDATE_CONTENT_FILE_NAME = "tzdata_bundle.zip"; 37 38 private final TzDataBundleInstaller installer; 39 TzDataInstallReceiver()40 public TzDataInstallReceiver() { 41 super(UPDATE_DIR_NAME, UPDATE_CONTENT_FILE_NAME, UPDATE_METADATA_DIR_NAME, 42 UPDATE_VERSION_FILE_NAME); 43 installer = new TzDataBundleInstaller(TAG, TZ_DATA_DIR); 44 } 45 46 @Override install(byte[] content, int version)47 protected void install(byte[] content, int version) throws IOException { 48 boolean valid = installer.install(content); 49 Slog.i(TAG, "Timezone data install valid for this device: " + valid); 50 // Even if !valid, we call super.install(). Only in the event of an exception should we 51 // not. If we didn't do this we could attempt to install repeatedly. 52 super.install(content, version); 53 } 54 } 55