Java IP Address Get getLocalIPs()

Description

Returns the list of local IP numbers.

License

Apache License

Return

an array list of String, each one representing an IP address local to this machine.

Declaration

public static ArrayList<String> getLocalIPs() throws SocketException 

Method Source Code

//package com.java2s;
/*//w  w  w .  j  a v a2 s.  c  om
Copyright 2008 Flaptor (flaptor.com) 
    
Licensed 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.
*/

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.Enumeration;

public class Main {
    /**
     * Returns the list of local IP numbers.
     * @return an array list of String, each one representing an IP address local to this machine.
     */
    public static ArrayList<String> getLocalIPs() throws SocketException {
        ArrayList<String> ips = new ArrayList<String>();
        Enumeration<NetworkInterface> netcards = NetworkInterface.getNetworkInterfaces();
        while (netcards.hasMoreElements()) {
            Enumeration<InetAddress> inets = netcards.nextElement().getInetAddresses();
            while (inets.hasMoreElements()) {
                InetAddress inet = inets.nextElement();
                String addr = inet.getHostAddress();
                ips.add(addr);
            }
        }
        return ips;
    }
}

Related

1. getLocalIPByNetworkInterface()
2. getLocalIPCollection()
3. getLocalIPList()
4. getLocalIps()
5. getLocalIPs()
6. getLocalIPs(boolean refresh)
7. getLocalIpv4()
8. getLocalIPv6Address()
9. getLocalNetWorkIp()