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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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package ch.boye.httpclientandroidlib.client.utils;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import ch.boye.httpclientandroidlib.annotation.Immutable;
/**
* Uses the java.net.IDN class through reflection.
*
* @since 4.0
*/
@Immutable
public class JdkIdn implements Idn {
private final Method toUnicode;
/**
*
* @throws ClassNotFoundException if java.net.IDN is not available
*/
public JdkIdn() throws ClassNotFoundException {
final Class<?> clazz = Class.forName("java.net.IDN");
try {
toUnicode = clazz.getMethod("toUnicode", String.class);
} catch (final SecurityException e) {
// doesn't happen
throw new IllegalStateException(e.getMessage(), e);
} catch (final NoSuchMethodException e) {
// doesn't happen
throw new IllegalStateException(e.getMessage(), e);
}
}
public String toUnicode(final String punycode) {
try {
return (String) toUnicode.invoke(null, punycode);
} catch (final IllegalAccessException e) {
throw new IllegalStateException(e.getMessage(), e);
} catch (final InvocationTargetException e) {
final Throwable t = e.getCause();
throw new RuntimeException(t.getMessage(), t);
}
}
}
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