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- /*
- * 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.util;
-
- import java.util.Locale;
-
- /**
- * Provides utility methods for manipulating language tags compliant with the
- * RFC 3066 specification available at http://www.ietf.org/rfc/rfc3066.txt. A
- * typical language tag is a 2-letter language code sometimes followed by a country
- * code. For example: en, en-US.
- */
- public final class LanguageTags {
-
- private LanguageTags() {
- }
-
- /**
- * Converts the given locale to an RFC 3066 compliant language tag.
- *
- * @param locale a locale
- * @return the corresponding language tag
- */
- public static String toLanguageTag(Locale locale) {
- StringBuffer sb = new StringBuffer(5);
- sb.append(locale.getLanguage());
- String country = locale.getCountry();
- if (country.length() > 0) {
- sb.append('-');
- sb.append(country);
- }
- return sb.toString();
- }
-
- /**
- * Converts an RFC 3066 compliant language tag to a locale.
- *
- * @param languageTag language tag to convert
- * @return the corresponding locale
- */
- public static Locale toLocale(String languageTag) {
- String[] parts = languageTag.split("-");
- if (parts.length == 1) {
- return new Locale(parts[0]);
- } else {
- return new Locale(parts[0], parts[1]);
- }
- }
- }
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