/*
* 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.cocoon.template.environment;
import java.util.Locale;
import org.apache.commons.lang.StringUtils;
/**
* @version SVN $Id$
*/
public class ValueHelper {
public static Locale parseLocale(String locale, String variant) {
Locale ret = null;
String language = locale;
String country = null;
int index = StringUtils.indexOfAny(locale, "-_");
if (index > -1) {
language = locale.substring(0, index);
country = locale.substring(index + 1);
}
if (StringUtils.isEmpty(language)) {
throw new IllegalArgumentException("No language in locale");
}
if (country == null) {
ret = variant != null ? new Locale(language, "", variant) : new Locale(language, "");
} else if (country.length() > 0) {
ret = variant != null ? new Locale(language, country, variant) : new Locale(language, country);
} else {
throw new IllegalArgumentException("Empty country in locale");
}
return ret;
}
}