/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 freemarker.core;

import java.util.Locale;

For internal use only; don't depend on this, there's no backward compatibility guarantee at all!
This class is to work around the lack of module system in Java, i.e., so that other FreeMarker packages can
access things inside this package that users shouldn't. 
/**
 * For internal use only; don't depend on this, there's no backward compatibility guarantee at all!
 * This class is to work around the lack of module system in Java, i.e., so that other FreeMarker packages can
 * access things inside this package that users shouldn't. 
 */ 
public class _CoreLocaleUtils {

    
Returns a locale that's one less specific, or null if there's no less specific locale. /**
     * Returns a locale that's one less specific, or {@code null} if there's no less specific locale.
     */
    public static Locale getLessSpecificLocale(Locale locale) {
        String country = locale.getCountry();
        if (locale.getVariant().length() != 0) {
            String language = locale.getLanguage();
            return country != null ? new Locale(language, country) : new Locale(language);
        }
        if (country.length() != 0) {
            return new Locale(locale.getLanguage());
        }
        return null;
    }
    
}