| /* GENERATED SOURCE. DO NOT MODIFY. */ |
| /* |
| * Copyright (C) 2017 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.icu.platform; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Android-added: Used by {@link android.icu.impl.ICUBinary} to locate ICU data files. |
| * The paths to ICU data files are generated dynamically from environment variables because |
| * the paths are different in various test environments. Thus, the paths can't be generated into |
| * ICUConfig.properties in the compile-time, and generated by this class instead. |
| * |
| * {@link com.android.i18n.timezone.TimeZoneDataFiles} holds the information related to other |
| * timezone data files. |
| * @hide Only a subset of ICU is exposed in Android |
| */ |
| public class AndroidDataFiles { |
| /** |
| * The below are public to be used by {@link com.android.i18n.timezone.TimeZoneDataFiles}. |
| */ |
| public static final String ANDROID_ROOT_ENV = "ANDROID_ROOT"; |
| public static final String ANDROID_I18N_ROOT_ENV = "ANDROID_I18N_ROOT"; |
| public static final String ANDROID_TZDATA_ROOT_ENV = "ANDROID_TZDATA_ROOT"; |
| |
| // VisibleForTesting |
| public static String getTimeZoneModuleIcuFile(String fileName) { |
| return getTimeZoneModuleFile("icu/" + fileName); |
| } |
| |
| private static String getTimeZoneModuleFile(String fileName) { |
| return System.getenv(ANDROID_TZDATA_ROOT_ENV) + "/etc/" + fileName; |
| } |
| |
| // VisibleForTesting |
| public static String getI18nModuleIcuFile(String fileName) { |
| return getI18nModuleFile("icu/" + fileName); |
| } |
| |
| private static String getI18nModuleFile(String fileName) { |
| return System.getenv(ANDROID_I18N_ROOT_ENV) + "/etc/" + fileName; |
| } |
| |
| public static String generateIcuDataPath() { |
| List<String> paths = new ArrayList<>(3); |
| |
| // Note: This logic below should match the logic in IcuRegistration.cpp in external/icu/ |
| // to ensure consistent behavior between ICU4C and ICU4J. |
| |
| // ICU should look for a mounted time zone module file in /apex. This is used for |
| // (optional) time zone data that can be updated with an APEX file. |
| String timeZoneModuleIcuDataPath = getTimeZoneModuleIcuFile(""); |
| paths.add(timeZoneModuleIcuDataPath); |
| |
| // ICU should always look in the i18n module path as this is where most of the data |
| // can be found. |
| String i18nModuleIcuDataPath = getI18nModuleIcuFile(""); |
| paths.add(i18nModuleIcuDataPath); |
| |
| return String.join(":", paths); |
| } |
| } |