Java IP Address Get getInterfaceAddress(final String ifaceName, final boolean ipV4)

Description

Get the first address found for the given interface.

License

Open Source License

Parameter

Parameter	Description
ifaceName	The interface name
ipV4	true if searching ipV4 address, false if searching ipV6.

Return

The IntetAddress or null if not found.

Declaration

public static InetAddress getInterfaceAddress(final String ifaceName, final boolean ipV4) 

Method Source Code

//package com.java2s;
/*/*from   w  w w  . j  a va  2s .  c  o m*/
 *
 * JMeta - Meta's java implementation
 *
 * Copyright (C) 2013-2015 Pablo Joubert
 * Copyright (C) 2013-2015 Thomas Lavocat
 * Copyright (C) 2013-2015 Nicolas Michon
 *
 * This file is part of JMeta.
 *
 * JMeta is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * JMeta 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;

import java.util.Collections;

public class Main {
    /**
     * Get the first address found for the given interface. The returned address will be stored in the DHT for
     * the local-only mode.
     *
     * @param ifaceName The interface name
     * @param ipV4 true if searching ipV4 address, false if searching ipV6.
     * @return The IntetAddress or null if not found.
     */
    public static InetAddress getInterfaceAddress(final String ifaceName, final boolean ipV4) {
        try {
            NetworkInterface iface = NetworkInterface.getByName(ifaceName);
            for (InetAddress ifAddr : Collections.list(iface.getInetAddresses())) {
                if (ifAddr instanceof Inet4Address && ipV4) {
                    return ifAddr;
                } else if (ifAddr instanceof Inet6Address && !ipV4) {
                    return ifAddr;
                }
            }
            return null;
        } catch (SocketException ex) {
            return null;
        }
    }
}

Related

1. getHostIpAddress()
2. getHostIPByHostName(String host)
3. getInetIps()
4. getIniFileInputStreamEclipse()
5. getInputStreamFromZipFile( String zipFilePath, String resourcePath)
6. getInterfaceIPs()
7. getInternalIp()
8. getInternalIp()
9. getInternetIpAddress()