Creates a locale from a string specification. - Android Internationalization

Android examples for Internationalization:Locale

  1. HOME
  2. Android
  3. Internationalization
  4. Locale

Description

Creates a locale from a string specification.

Demo Code

/*//from  w w  w .  j a  va2 s. c  o  m
 * Copyright (C) 2011 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 com.java2s;
import java.util.HashMap;

import java.util.Locale;
import javax.annotation.Nonnull;

public class Main {
    private static final HashMap<String, Locale> sLocaleCache = new HashMap<>();

    /**
     * Creates a locale from a string specification.
     * @param localeString a string specification of a locale, in a format of "ll_cc_variant" where
     * "ll" is a language code, "cc" is a country code.
     */
    @Nonnull
    public static Locale constructLocaleFromString(
            @Nonnull final String localeString) {
        synchronized (sLocaleCache) {
            if (sLocaleCache.containsKey(localeString)) {
                return sLocaleCache.get(localeString);
            }
            final String[] elements = localeString.split("_", 3);
            final Locale locale;
            if (elements.length == 1) {
                locale = new Locale(elements[0] /* language */);
            } else if (elements.length == 2) {
                locale = new Locale(elements[0] /* language */,
                        elements[1] /* country */);
            } else { // localeParams.length == 3
                locale = new Locale(elements[0] /* language */,
                        elements[1] /* country */, elements[2] /* variant */);
            }
            sLocaleCache.put(localeString, locale);
            return locale;
        }
    }
}

Related Tutorials