java判断本地物理网卡 java获取网卡信息

package org.ibase4j.core.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.UnknownHostException;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public final class NativeUtil {
   private static Logger logger = LogManager.getLogger();

   private NativeUtil() {
   }

   /** 获取机器名 */
   public static final String getHostName() {
      String hostName = "";
      try {
         hostName = InetAddress.getLocalHost().getHostName();
      } catch (UnknownHostException e) {
         logger.error(e.getMessage(), e);
      }
      return hostName;
   }

   /** 获取网卡序列号 */
   public static final String getDUID() {
      String address = "";
      String command = "cmd.exe /c ipconfig /all";
      try {
         Process p = Runtime.getRuntime().exec(command);
         BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
         String line;
         while ((line = br.readLine()) != null) {
            if (line.indexOf("DUID") > 0) {
               int index = line.indexOf(":");
               index += 2;
               address = line.substring(index);
               break;
            }
         }
         br.close();
      } catch (IOException e) {
      }
      return address;
   }
}