get Unix MAC Address - Java Network

Java examples for Network:Mac Address

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  2. Java
  3. Network
  4. Mac Address

Description

get Unix MAC Address

Demo Code


//package com.java2s;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] argv) throws Exception {
        System.out.println(getUnixMACAddress());
    }/*from w w  w  . ja  v  a 2  s  .c  om*/

    public static String getUnixMACAddress() {
        String mac = null;
        BufferedReader bufferedReader = null;
        Process process = null;
        try {
            process = Runtime.getRuntime().exec("ifconfig eth0");
            bufferedReader = new BufferedReader(new InputStreamReader(
                    process.getInputStream()));
            String line = null;
            int index = -1;
            while ((line = bufferedReader.readLine()) != null) {
                index = line.toLowerCase().indexOf("hwaddr");
                if (index != -1) {
                    mac = line.substring(index + "hwaddr".length() + 1)
                            .trim();
                    break;
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (bufferedReader != null) {
                    bufferedReader.close();
                }
            } catch (IOException e1) {
                e1.printStackTrace();
            }
            bufferedReader = null;
            process = null;
        }

        return mac;
    }
}

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