1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.http.client.utils;
28
29 import java.lang.reflect.InvocationTargetException;
30 import java.lang.reflect.Method;
31
32 import org.apache.http.annotation.Contract;
33 import org.apache.http.annotation.ThreadingBehavior;
34
35 /**
36 * Uses the java.net.IDN class through reflection.
37 *
38 * @deprecated (4.4) use standard {@link java.net.IDN}.
39 *
40 * @since 4.0
41 */
42 @Contract(threading = ThreadingBehavior.IMMUTABLE)
43 @Deprecated
44 public class JdkIdn implements Idn {
45 private final Method toUnicode;
46
47 /**
48 *
49 * @throws ClassNotFoundException if java.net.IDN is not available
50 */
51 public JdkIdn() throws ClassNotFoundException {
52 final Class<?> clazz = Class.forName("java.net.IDN");
53 try {
54 toUnicode = clazz.getMethod("toUnicode", String.class);
55 } catch (final SecurityException e) {
56 // doesn't happen
57 throw new IllegalStateException(e.getMessage(), e);
58 } catch (final NoSuchMethodException e) {
59 // doesn't happen
60 throw new IllegalStateException(e.getMessage(), e);
61 }
62 }
63
64 @Override
65 public String toUnicode(final String punycode) {
66 try {
67 return (String) toUnicode.invoke(null, punycode);
68 } catch (final IllegalAccessException e) {
69 throw new IllegalStateException(e.getMessage(), e);
70 } catch (final InvocationTargetException e) {
71 final Throwable t = e.getCause();
72 throw new RuntimeException(t.getMessage(), t);
73 }
74 }
75
76 }