64 lines
1.9 KiB
Java
64 lines
1.9 KiB
Java
/*
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* Copyright (C) 2019 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 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.lang.String}, which avoids using
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* {@link android.icu.lang.UCharacter} 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 class CaseMapperNative {
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private CaseMapperNative() {}
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/**
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* Returns the lower-case version of the string in the {@code locale}.
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*
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* Behaves the same as {@link android.icu.lang.UCharacter#toLowerCase(Locale, String)}, but
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* implemented by ICU4C.
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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 toLowerCase(String s, Locale locale) {
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return toLowerCase(s, locale.toLanguageTag());
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}
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private static native String toLowerCase(String s, String languageTag);
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/**
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* Returns the upper-case version of the string in the {@code locale}.
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*
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* Behaves the same as {@link android.icu.lang.UCharacter#toUpperCase(Locale, String)}, but
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* implemented by ICU4C.
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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 toUpperCase(String s, Locale locale) {
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return toUpperCase(s, locale.toLanguageTag());
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}
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private static native String toUpperCase(String s, String languageTag);
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}
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