OSMacTool java擷取本機mac地址（網卡地址）

package cn.net.comsys.license.app;
/**
 * @author JiF
 * @version 建立時間：2011-10-11 下午09:14:52
 * E-Mail:liaojifeng@163.com
 * 類說明：
 *
 *
 *
 */
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
public class OSMacTool {

    public static String getMACAddress() {

        String address = "";
        String os = System.getProperty("os.name");
       // System.out.println(os);
        if (os != null) {
            if (os.startsWith("Windows")) {
                try {
                    ProcessBuilder pb = new ProcessBuilder("ipconfig", "/all");
                    Process p = pb.start();
                    BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
                    String line;
                    while ((line = br.readLine()) != null) {
                        if (line.indexOf("Physical Address") != -1) {
                            int index = line.indexOf(":");
                            address = line.substring(index + 1);
                            break;
                        }
                    }
                    br.close();
                    return address.trim();
                } catch (IOException e) {
                    
                }
            }else if(os.startsWith("Linux")){
                try {
                    ProcessBuilder pb = new ProcessBuilder("ifconfig");
                    Process p = pb.start();
                    BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
                    String line;
                    while((line=br.readLine())!=null){
                        int index=line.indexOf("硬體地址");
                        if(index!=-1){
                            address=line.substring(index+4);
                            break;
                        }
                    }
                    br.close();
                    return address.trim();
                } catch (IOException ex) {
                    Logger.getLogger(OSMacTool.class.getName()).log(Level.SEVERE, null, ex);
                }
                
            }
        }
        return address;
    }

    public static void main(String[] args) {
        System.out.println("" + OSMacTool.getMACAddress());
    }

}