Java Socket Address Get getHostNameNoResolve(InetSocketAddress address)

Description

get Host Name No Resolve

License

Open Source License

Declaration

public static String getHostNameNoResolve(InetSocketAddress address) 

Method Source Code

//package com.java2s;
/*//from  ww  w.j  a v a2 s  .c o m
 * Created on 04-Jan-2006
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

import java.net.InetAddress;
import java.net.InetSocketAddress;

public class Main {
    public static String getHostNameNoResolve(InetSocketAddress address) {
        InetAddress i_address = address.getAddress();

        if (i_address == null) {

            return (address.getHostName());

        } else {

            // only way I can see (short of reflection) of getting access to unresolved host name
            // toString returns (hostname or "")/getHostAddress()

            String str = i_address.toString();

            int pos = str.indexOf('/');

            if (pos == -1) {

                // darn it, borkage

                System.out.println("InetAddress::toString not returning expected result: " + str);

                return (i_address.getHostAddress());
            }

            if (pos > 0) {

                return (str.substring(0, pos));

            } else {

                return (str.substring(pos + 1));
            }
        }
    }

    public static String getHostAddress(InetSocketAddress address) {
        if (address.isUnresolved()) {

            return (address.getHostName());

        } else {

            return (address.getAddress().getHostAddress());
        }
    }
}

Related

1. getDestination(InetSocketAddress server)
2. getDestinationInetSocketAddress(URI uri, int defaultPort)
3. getHostAddress(InetSocketAddress addr)
4. getHostAddress(InetSocketAddress address)
5. getHostName(SocketAddress socketAddress)
6. getHostPortString(InetSocketAddress addr)
7. getHostPortString(InetSocketAddress addr)
8. getHostString(InetSocketAddress socketAddress)
9. getHostString(InetSocketAddress socketAddress)