129 lines
4.2 KiB
Java
129 lines
4.2 KiB
Java
/*
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* Copyright (C) 2008 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.icu.util;
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import android.icu.util.ULocale;
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import java.util.Locale;
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import libcore.api.IntraCoreApi;
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/**
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* Provide functionalities implemented by ICU4C for {@link java.util.Locale}, which avoids using
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* {@link android.icu.util.ULocale} to prevent circular runtime dependency.
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*
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* @hide
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*/
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@IntraCoreApi
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public final class LocaleNative {
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private LocaleNative() {}
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/**
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* Set the default Locale in ICU4C.
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*
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* Libcore's default locale is synchronized with the ICU4C's default locale. But libicu.so
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* does not expose uloc_setDefault via NDK because app can otherwise break this synchronization.
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* Instead, expose this uloc_setDefault as @IntraCoreApi called by libcore.
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*
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* @param languageTag BCP-47 language tag to be set the default locale.
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*
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* @hide
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*/
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@IntraCoreApi
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public static void setDefault(String languageTag) {
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setDefaultNative(languageTag);
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}
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private static native void setDefaultNative(String languageTag);
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/**
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* Returns localized country name.
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*
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* Behaves the same as {@link android.icu.util.ULocale#getDisplayCountry(ULocale)}, but
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* implemented by ICU4C.
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*
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* @param targetLocale the locale in which to display the name.
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* @param locale the locale whose country will be displayed
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*
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* @hide
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*/
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@IntraCoreApi
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public static String getDisplayCountry(Locale targetLocale, Locale locale) {
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return getDisplayCountryNative(targetLocale.toLanguageTag(), locale.toLanguageTag());
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}
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private static native String getDisplayCountryNative(String targetLanguageTag,
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String languageTag);
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/**
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* Returns localized language name.
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*
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* Behaves the same as {@link android.icu.util.ULocale#getDisplayCountry(ULocale)}, but
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* implemented by ICU4C.
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*
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* @param targetLocale the locale in which to display the name.
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* @param locale the locale whose language will be displayed
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*
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* @hide
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*/
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@IntraCoreApi
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public static String getDisplayLanguage(Locale targetLocale, Locale locale) {
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return getDisplayLanguageNative(targetLocale.toLanguageTag(), locale.toLanguageTag());
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}
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private static native String getDisplayLanguageNative(String targetLanguageTag,
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String languageTag);
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/**
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* Returns localized variant name.
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*
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* Behaves the same as {@link android.icu.util.ULocale#getDisplayCountry(ULocale)}, but
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* implemented by ICU4C.
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*
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* @param targetLocale the locale in which to display the name.
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* @param locale the locale whose variant will be displayed
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*
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* @hide
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*/
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@IntraCoreApi
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public static String getDisplayVariant(Locale targetLocale, Locale locale) {
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return getDisplayVariantNative(targetLocale.toLanguageTag(), locale.toLanguageTag());
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}
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private static native String getDisplayVariantNative(String targetLanguageTag,
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String languageTag);
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/**
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* Returns localized script name.
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*
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* Behaves the same as {@link android.icu.util.ULocale#getDisplayScript(ULocale)} (ULocale)},
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* but implemented by ICU4C.
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*
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* @param targetLocale the locale in which to display the name.
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* @param locale the locale whose script will be displayed
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*
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* @hide
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*/
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@IntraCoreApi
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public static String getDisplayScript(Locale targetLocale, Locale locale) {
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return getDisplayScriptNative(targetLocale.toLanguageTag(), locale.toLanguageTag());
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}
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private static native String getDisplayScriptNative(String targetLanguageTag,
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String languageTag);
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}
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