org.apache.xml.utils.LocaleUtility 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.
*/
/*
* $Id: LocaleUtility.java 468655 2006-10-28 07:12:06Z minchau $
*/
package org.apache.xml.utils;
import java.util.Locale;
/**
* @author Igor Hersht, [email protected]
*/
public class LocaleUtility {
/**
* IETF RFC 1766 tag separator
*/
public final static char IETF_SEPARATOR = '-';
public final static String EMPTY_STRING = "";
public static Locale langToLocale(String lang) {
if((lang == null) || lang.equals(EMPTY_STRING)){ // not specified => getDefault
return Locale.getDefault();
}
String language = EMPTY_STRING;
String country = EMPTY_STRING;
String variant = EMPTY_STRING;
int i1 = lang.indexOf(IETF_SEPARATOR);
if (i1 < 0) {
language = lang;
} else {
language = lang.substring(0, i1);
++i1;
int i2 = lang.indexOf(IETF_SEPARATOR, i1);
if (i2 < 0) {
country = lang.substring(i1);
} else {
country = lang.substring(i1, i2);
variant = lang.substring(i2+1);
}
}
if(language.length() == 2){
language = language.toLowerCase();
}else {
language = EMPTY_STRING;
}
if(country.length() == 2){
country = country.toUpperCase();
}else {
country = EMPTY_STRING;
}
if((variant.length() > 0) &&
((language.length() == 2) ||(country.length() == 2))){
variant = variant.toUpperCase();
}else{
variant = EMPTY_STRING;
}
return new Locale(language, country, variant );
}
}