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 }