/*
* Copyright 2008-2014 the original author or authors
*
* 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 org.kaleidofoundry.core.util.locale;
import java.util.Locale;
import org.kaleidofoundry.core.lang.annotation.NotNull;
import org.kaleidofoundry.core.util.StringHelper;
/**
* @author jraduget
*/
public abstract class LocaleFactory {
static enum LocaleEnum {
Default;
}
/**
* @return current locale for the user or server
*/
public abstract Locale getCurrentLocale();
/**
* @return default locale factory
*/
public static LocaleFactory getDefaultFactory() {
return getFactory(LocaleEnum.Default);
}
/**
* @param factoryID
* @return localeFactory implementation
*/
@NotNull
public static LocaleFactory getFactory(@NotNull final LocaleEnum factoryID) {
switch (factoryID) {
case Default: {
return new DefaultLocalFactory();
}
default: {
throw new IllegalArgumentException("Incorrect argument value factoryID:" + factoryID);
}
}
}
/**
* Parse a string locale
*
* @param localeString
* @return locale that map the given string parameter
*/
public static Locale parseLocale(final String localeString) {
if (!StringHelper.isEmpty(localeString)) {
final String[] localeParts = StringHelper.split(localeString, "_");
final String language = (localeParts.length > 0 ? localeParts[0] : null);
final String country = (localeParts.length > 1 ? localeParts[1] : null);
final String variant = (localeParts.length > 2 ? localeParts[2] : null);
if (language != null) {
if (country != null) {
if (variant != null) {
return new Locale(language, country, variant);
} else {
return new Locale(language, country);
}
} else {
return new Locale(language);
}
}
}
return null;
}
}