Java 获取所有本地主机名

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/* InetAddressUtil

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 *

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 * Created on Nov 19, 2004

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 *

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 * Copyright (C) 2004 Internet Archive.

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 *

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 * This file is part of the Heritrix web crawler (crawler.archive.org).

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 *

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 * Heritrix is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU Lesser Public License as published by

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 * the Free Software Foundation; either version 2.1 of the License, or

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 * any later version.

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 *

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 * Heritrix is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU Lesser Public License for more details.

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 *

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 * You should have received a copy of the GNU Lesser Public License

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 * along with Heritrix; if not, write to the Free Software

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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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 */

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//package com.nowjava;

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import java.net.InetAddress;

/**来自 

 nowjava.com**/

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import java.net.NetworkInterface;

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import java.net.SocketException;

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import java.util.ArrayList;

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import java.util.Enumeration;

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import java.util.List;

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public class Main {

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    public static void main(String[] argv) throws Exception {

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        System.out.println(getAllLocalHostNames());

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    }

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    /*

     from nowjava 

    */

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    /**

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     * @return All known local names for this host or null if none found.

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     */

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    public static List<String> getAllLocalHostNames() {

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        List<String> localNames = new ArrayList<String>();

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        Enumeration<NetworkInterface> e = null;

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        try {

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            e = NetworkInterface.getNetworkInterfaces();

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        } catch (SocketException exception) {

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            throw new RuntimeException(exception);

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        }

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        for (; e.hasMoreElements();) {

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            for (Enumeration<InetAddress> ee = e.nextElement()

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                    .getInetAddresses(); ee.hasMoreElements();) {

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                InetAddress ia = ee.nextElement();

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                if (ia != null) {

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                    if (ia.getHostName() != null) {

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                        localNames.add(ia.getCanonicalHostName());

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                    }

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                    if (ia.getHostAddress() != null) {

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                        localNames.add(ia.getHostAddress());

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                    }

/**代码未完, 请加载全部代码(NowJava.com).**/