获取windows or unix系统下服务器MAC地址及服务器IP地址
package com;
/*
* Created on 2005-6-5
* Author stephen
* Email zhoujianqiang AT gmail DOT com
* CopyRight(C)2005-2008 , All rights reserved.
*/ 
import java.io.BufferedReader;  
import java.io.File;
import java.io.IOException;  
import java.io.InputStreamReader;  

import javax.swing.filechooser.FileSystemView;
 
/**
*
* 
* @author zhangyang
* @version 1.0.0
*/ 
public class GetMAC {  
 
/**
     * 获取当前操作系统名称.
     * return 操作系统名称 例如:windows xp,linux 等.
     */ 
    public static String getOSName() {  
        return System.getProperty("os.name").toLowerCase();  
    }  
      
    /**
     * 获取unix网卡的IP或mac地址.
     * 非windows的系统默认调用本方法获取.如果有特殊系统请继续扩充新的取mac地址方法.
     * @return mac地址
     */ 
    public static String getUnixIPAddress() {  
        String mac = "";  
        BufferedReader bufferedReader = null;  
        Process process = null;  
        try {  
            process = Runtime.getRuntime().exec("ifconfig -a");// linux下的命令，一般取eth0作为本地主网卡 显示信息中包含有ip及mac地址信息 
            bufferedReader = new BufferedReader(new InputStreamReader(process  
                    .getInputStream()));  
            String line = null;  
            int index = -1;  
            while ((line = bufferedReader.readLine()) != null) {  
                index = line.toLowerCase().indexOf("hwaddr");// 寻找标示字符串[hwaddr] 
                if (index >= 0) {
                    mac = mac+line.substring(index +"hwaddr".length()+ 1).trim()+","; //unix下解析ifconfig -a 返回的字符串，获取IP，若要获取MAC地址，则把参数写成mac address;
                } 
                index = -1;  
            }  
        } catch (IOException e) {  
            e.printStackTrace();  
        } finally {  
            try {  
                if (bufferedReader != null) {  
                 &nbs