Java远程唤醒mac

关机的，大家都会……想比我就不说了吧！
通过IP，使用shutdown 命令，外加参数……附上地址，OK。

package com.iaiai.test;

import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

/**
 * 
 * <br/>
 * Title: TestOpenOS.java<br/>
 

 * Http: iaiai.iteye.com<br/>
 * Create time: 2013-1-29 上午11:37:56<br/>
 * <br/>
 * 
 * @author 丸子
 * @version 0.0.1
 */
public class TestOpenOS {

  private int port = 10000;
  private String mac = "8C-89-A5-19-82-9A";
  private String ipAddress = "255.255.255.255";

  public TestOpenOS() {
    // TODO Auto-generated constructor stub
  }

  private void setMac(String mac) {
    this.mac = mac;
  }

  public TestOpenOS(int port, String mac, String ipAddress) {
    this.port = port;
    this.mac = mac;
    this.ipAddress = ipAddress;
  }

  public void sendOpenOS() {
    InetAddress destHost = null;
    DatagramSocket ds = null;
    try {
      destHost = InetAddress.getByName(ipAddress);
      byte[] destMac = getMacBytes(mac);
      byte[] magicBytes = new byte[102];

      // 将数据包的前六位放入0xFF即“FF”的二进制
      // 发一个BroadCast包，包的内容包括以下数据就可以了。
      // FF FF FF FF FF FF，6个FF是数据的开始，
      // 紧跟着16次MAC地址就可以了。
      for (int i = 0; i < 16; i++) {
        for (int j = 0; j < destMac.length; j++) {
          magicBytes[6 + destMac.length * i + j] = destMac[j];
          magicBytes[j] = (byte) 0xFF;
        }
      }

      // --------------------查看数据报发出的数据---------------------
      for (int i = 1; i <= 102; i++) {
        if (((i - 1) % 6) == 0) {
          System.out.println();
        }
        System.out.print(magicBytes[i - 1] + "===");
      }

      // System.out.println("port =" + port + ", destHost=" + destHost +
      // ",magicBytes.length = " + magicBytes.length);

      DatagramPacket dp = null;
      try {
        dp = new DatagramPacket(magicBytes, magicBytes.length, destHost, port);
        ds = new DatagramSocket();
        ds.send(dp);
      } catch (Exception e) {
        // TODO: handle exception
        e.printStackTrace();
      }
    } catch (Exception e) {
      // TODO: handle exception
      e.printStackTrace();
    } finally {
      if (null != ds) {
        // 关闭数据报流
        ds.close();
      }
    }
  }

  // 远程关机
  public void sendCloseOS() {

  }

  /**
   * 将16进制的mac地址转换为二进制
   * 
   * @param macStr
   * @return
   * @throws IllegalArgumentException
   */
  private static byte[] getMacBytes(String macStr) throws IllegalArgumentException {
    byte[] bytes = new byte[6];
    String[] hex = macStr.split("(\\:|\\-)");
    if (hex.length != 6) {
      throw new IllegalArgumentException("mac 地址有问题，你看看对不对？Invalid MAC address.");
    }
    try {
      for (int i = 0; i < 6; i++) {
        bytes[i] = (byte) Integer.parseInt(hex[i], 16);
      }
    } catch (NumberFormatException e) {
      throw new IllegalArgumentException("Invalid hex digit in MAC address.");
    }
    return bytes;
  }

  public static void main(String[] args) {
    TestOpenOS w = new TestOpenOS();
    w.sendOpenOS();

    w.setMac("8C-89-A5-19-80-3D");
    w.sendOpenOS();
  }
}