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标题: 【重庆中心】企业中各种会使用到的工具类之MacUtils [打印本页]

作者: 安之啊 时间: 2018-2-2 15:59
标题: 【重庆中心】企业中各种会使用到的工具类之MacUtils
/**
  * @author anzhi
  * @date 2018/2/2
  * @desc MAC地址工具
  */
public class MacUtils {

/**
* 获取当前操作系统名称. return 操作系统名称例如:windows,Linux,Unix等.
*/
public static String getOSName() {
   return System.getProperty("os.name").toLowerCase();
}

/**
* 获取Unix网卡的mac地址.
*
* @return mac地址
*/
public static String getUnixMACAddress() {
   String mac = null;
   BufferedReader bufferedReader = null;
   Process process = null;
   try {
      /**
      * Unix下的命令，一般取eth0作为本地主网卡显示信息中包含有mac地址信息
      */
process = Runtime.getRuntime().exec("ifconfig eth0");
      bufferedReader = new BufferedReader(new InputStreamReader(
            process.getInputStream()));
      String line = null;
      int index = -1;
      while ((line = bufferedReader.readLine()) != null) {
         /**
         * 寻找标示字符串[hwaddr]
         */
index = line.toLowerCase().indexOf("hwaddr");
         /**
         * 找到了
         */
if (index != -1) {
            /**
            * 取出mac地址并去除2边空格
            */
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;
}

/**
* 获取Linux网卡的mac地址.
*
* @return mac地址
*/
public static String getLinuxMACAddress() {
   String mac = null;
   BufferedReader bufferedReader = null;
   Process process = null;
   try {
      /**
      * linux下的命令，一般取eth0作为本地主网卡显示信息中包含有mac地址信息
      */
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("硬件地址");
         /**
         * 找到了
         */
if (index != -1) {
            /**
            * 取出mac地址并去除2边空格
            */
mac = line.substring(index + 4).trim();
            break;
         }
      }
   } catch (IOException e) {
      e.printStackTrace();
   } finally {
      try {
         if (bufferedReader != null) {
            bufferedReader.close();
         }
      } catch (IOException e1) {
         e1.printStackTrace();
      }
      bufferedReader = null;
      process = null;
   }

   // 取不到，试下Unix取发
   if (mac == null){
      return getUnixMACAddress();
   }

   return mac;
}

/**
* 获取widnows网卡的mac地址.
*
* @return mac地址
*/
public static String getWindowsMACAddress() {
   String mac = null;
   BufferedReader bufferedReader = null;
   Process process = null;
   try {
      /**
      * windows下的命令，显示信息中包含有mac地址信息
      */
process = Runtime.getRuntime().exec("ipconfig /all");
      bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
      String line = null;
      int index = -1;
      while ((line = bufferedReader.readLine()) != null) {
         /**
         * 寻找标示字符串[physical address]
         */
//       index = line.toLowerCase().indexOf("physical address");
//       if (index != -1) {
         if (line.split("-").length == 6){
            index = line.indexOf(":");
            if (index != -1) {
               /**
               * 取出mac地址并去除2边空格
               */
mac = line.substring(index + 1).trim();
            }
            break;
         }
         index = line.toLowerCase().indexOf("物理地址");
         if (index != -1) {
            index = line.indexOf(":");
            if (index != -1) {
               /**
               * 取出mac地址并去除2边空格
               */
mac = line.substring(index + 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;
}

public static String getMac(){
   String os = getOSName();
   String mac;
   if (os.startsWith("windows")) {
      mac = getWindowsMACAddress();
   } else if (os.startsWith("linux")) {
      mac = getLinuxMACAddress();
   } else {
      mac = getUnixMACAddress();
   }
   return mac == null ? "" : mac;
}

/**
* 测试用的main方法.
*
* @param argc 运行参数.
*/
public static void main(String[] argc) {
   String os = getOSName();
   System.out.println("os: " + os);
   if (os.startsWith("windows")) {
      String mac = getWindowsMACAddress();
      System.out.println("mac: " + mac);
   } else if (os.startsWith("linux")) {
      String mac = getLinuxMACAddress();
      System.out.println("mac: " + mac);
   } else {
      String mac = getUnixMACAddress();
      System.out.println("mac: " + mac);
   }
}

}

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