78 lines
3.0 KiB
Java
78 lines
3.0 KiB
Java
|
/* 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);
|
||
|
|
}
|
||
|
|
}
|