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76 lines
2.5 KiB
Java
76 lines
2.5 KiB
Java
/*
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* $HeadURL$
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* $Revision$
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* $Date$
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*
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* ====================================================================
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package ch.boye.httpclientandroidlib.client.utils;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import ch.boye.httpclientandroidlib.annotation.Immutable;
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/**
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* Uses the java.net.IDN class through reflection.
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*
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* @since 4.0
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*/
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@Immutable
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public class JdkIdn implements Idn {
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private final Method toUnicode;
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/**
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*
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* @throws ClassNotFoundException if java.net.IDN is not available
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*/
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public JdkIdn() throws ClassNotFoundException {
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Class<?> clazz = Class.forName("java.net.IDN");
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try {
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toUnicode = clazz.getMethod("toUnicode", String.class);
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} catch (SecurityException e) {
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// doesn't happen
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throw new IllegalStateException(e.getMessage(), e);
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} catch (NoSuchMethodException e) {
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// doesn't happen
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throw new IllegalStateException(e.getMessage(), e);
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}
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}
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public String toUnicode(String punycode) {
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try {
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return (String) toUnicode.invoke(null, punycode);
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} catch (IllegalAccessException e) {
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throw new IllegalStateException(e.getMessage(), e);
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} catch (InvocationTargetException e) {
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Throwable t = e.getCause();
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throw new RuntimeException(t.getMessage(), t);
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}
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}
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}
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