1 /*
2 * $HeadURL$
3 * $Revision: 1470921 $
4 * $Date: 2013-04-23 12:42:29 +0000 (Tue, 23 Apr 2013) $
5 *
6 * ====================================================================
7 *
8 * Licensed to the Apache Software Foundation (ASF) under one or more
9 * contributor license agreements. See the NOTICE file distributed with
10 * this work for additional information regarding copyright ownership.
11 * The ASF licenses this file to You under the Apache License, Version 2.0
12 * (the "License"); you may not use this file except in compliance with
13 * the License. You may obtain a copy of the License at
14 *
15 * http://www.apache.org/licenses/LICENSE-2.0
16 *
17 * Unless required by applicable law or agreed to in writing, software
18 * distributed under the License is distributed on an "AS IS" BASIS,
19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 * See the License for the specific language governing permissions and
21 * limitations under the License.
22 * ====================================================================
23 *
24 * This software consists of voluntary contributions made by many
25 * individuals on behalf of the Apache Software Foundation. For more
26 * information on the Apache Software Foundation, please see
27 * <http://www.apache.org/>.
28 *
29 */
30
31 package org.apache.http.client.utils;
32
33 import org.apache.http.annotation.Immutable;
34
35 /**
36 * Facade that provides conversion between Unicode and Punycode domain names.
37 * It will use an appropriate implementation.
38 *
39 * @since 4.0
40 */
41 @Immutable
42 public class Punycode {
43 private static final Idn impl;
44 static {
45 Idn _impl;
46 try {
47 _impl = new JdkIdn();
48 } catch (Exception e) {
49 _impl = new Rfc3492Idn();
50 }
51 impl = _impl;
52 }
53
54 public static String toUnicode(String punycode) {
55 return impl.toUnicode(punycode);
56 }
57
58 }