org.apache.tiles.request.locale.LocaleUtil Maven / Gradle / Ivy
/*
* 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 org.apache.tiles.request.locale;
import java.util.Locale;
/**
* Utilities for locale manipulation.
*/
public final class LocaleUtil {
/**
* Private constructor to avoid instantiation.
*/
private LocaleUtil() {
}
/**
*
* Returns the "parent" locale of a given locale. If the original locale is only language-based,
* the {@link Locale#ROOT} object is returned.
*
*
* @param locale The original locale.
* @return The parent locale.
*/
public static Locale getParentLocale(Locale locale) {
Locale retValue = null;
String language = locale.getLanguage();
String country = locale.getCountry();
String variant = locale.getVariant();
if (!"".equals(variant)) {
retValue = new Locale(language, country);
} else if (!"".equals(country)) {
retValue = new Locale(language);
} else if (!"".equals(language)) {
retValue = Locale.ROOT;
}
return retValue;
}
}