Java Network Interface Get getInterfaceByName(String interfaceName)

Description

get Interface By Name

License

Apache License

Parameter

Parameter	Description
interfaceName	which depending on the operating system can have different values (Linux/Unix examples: eth0, wlan0, etc.)

Exception

Parameter	Description
SocketException	an exception

Return

the corresponding network interface instance object.

Declaration

public static NetworkInterface getInterfaceByName(String interfaceName) throws SocketException 

Method Source Code

//package com.java2s;
/*/*  w ww  .  j a v  a  2s.c  o m*/
 * Copyright 2016 tamas.csaba@gmail.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.NetworkInterface;

import java.net.SocketException;

import java.util.Collections;
import java.util.Enumeration;

public class Main {
    /**
     *
     * @param interfaceName which depending on the operating system can have
     * different values (Linux/Unix examples: eth0, wlan0, etc.)
     * @return the corresponding network interface instance object.
     * @throws SocketException
     */
    public static NetworkInterface getInterfaceByName(String interfaceName) throws SocketException {
        Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces();
        for (NetworkInterface netIf : Collections.list(nets)) {
            if (netIf.getName().equalsIgnoreCase(interfaceName)) {
                return netIf;
            } else {
                Enumeration<NetworkInterface> subIfs = netIf.getSubInterfaces();
                for (NetworkInterface subIf : Collections.list(subIfs)) {
                    if (subIf.getName().equalsIgnoreCase(interfaceName)) {
                        return subIf;
                    }
                }
            }
        }
        return null;
    }
}

Related

1. getGlobalI()
2. getGlobalInterfaces()
3. getGoodNetworkInterfaces()
4. getHostnameFromNetworkInterface()
5. getInterface(String ifaceName)
6. getInterfaceDiagnostic()
7. getInterfaceInfo(NetworkInterface nif)
8. getInterfaces()
9. getInterfaces()