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magic-tools 是一个小而全的Java工具类库，通过静态方法封装，降低相关API的学习成本，提高工作效率，使Java拥有函数式语言般的优雅，让Java语言也可以“甜甜的”。
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package com.magictools.core.util;


import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.*;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 
 * ComputerUniqueIdentificationUtil

 * 计算机唯一识别实用程序
 * 
 *
 * @version 1.0
 * @since 2020年10月10日 17:14
 */

public class ComputerUniqueIdentificationUtil {
	private final static Log log = LogFactory.getLog(ComputerUniqueIdentificationUtil.class);

	/**
	 * Windows
	 */
	public static final String WINDOWS = "windows";
	/**
	 * Linux
	 */
	public static final String LINUX = "linux";
	/**
	 * Unix
	 */
	public static final String UNIX = "unix";
	/**
	 * 正则表达式
	 */
	public static final String REGEX = "\\b\\w+:\\w+:\\w+:\\w+:\\w+:\\w+\\b";

	/**
	 * 获取 Windows 主板序列号
	 *
	 * @return String - 计算机主板序列号
	 */
	private static String getWindowsMainBoardSerialNumber() {


		StringBuilder result = new StringBuilder();
		try {
			File file = File.createTempFile("realhowto", ".vbs");
			file.deleteOnExit();
			FileWriter fw = new java.io.FileWriter(file);

			String vbs = "Set objWMIService = GetObject(\"winmgmts:\\\\.\\root\\cimv2\")\n"
					+ "Set colItems = objWMIService.ExecQuery _ \n" + "   (\"Select * from Win32_BaseBoard\") \n"
					+ "For Each objItem in colItems \n" + "    Wscript.Echo objItem.SerialNumber \n"
					+ "    exit for  ' do the first cpu only! \n" + "Next \n";

			fw.write(vbs);
			fw.close();
			Process p = Runtime.getRuntime().exec("cscript //NoLogo " + file.getPath());
			BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
			String line;
			while ((line = input.readLine()) != null) {
				result.append(line);
			}
			input.close();
		} catch (Exception e) {
			log.error("获取 Windows 主板信息错误", e);
		}
		return result.toString().trim();
	}

	/**
	 * 获取 Linux 主板序列号
	 *
	 * @return String - 计算机主板序列号
	 */
	private static String getLinuxMainBoardSerialNumber() {
		String result = "";
		String maniBord_cmd = "dmidecode | grep 'Serial Number' | awk '{print $3}' | tail -1";
		Process p;
		try {
			// 管道
			p = Runtime.getRuntime().exec(new String[]{"sh", "-c", maniBord_cmd});
			BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
			String line;
			while ((line = br.readLine()) != null) {
				result += line;
				break;
			}
			br.close();
		} catch (IOException e) {
			log.error("获取 Linux 主板信息错误", e);
		}
		return result;
	}

	/**
	 * 从字节获取 MAC
	 *
	 * @param bytes - 字节
	 * @return String - MAC
	 * @since 2020/10/12 8:55
	 */
	private static String getMacFromBytes(byte[] bytes) {
		StringBuilder mac = new StringBuilder();
		byte currentByte;
		boolean first = false;
		for (byte b : bytes) {
			if (first) {
				mac.append("-");
			}
			currentByte = (byte) ((b & 240) >> 4);
			mac.append(Integer.toHexString(currentByte));
			currentByte = (byte) (b & 15);
			mac.append(Integer.toHexString(currentByte));
			first = true;
		}
		return mac.toString().toUpperCase();
	}

	/**
	 * 获取 Windows 网卡的 MAC 地址
	 *
	 * @return String - MAC 地址
	 */
	private static String getWindowsMACAddress() {
		InetAddress ip;
		NetworkInterface ni;
		List macList = new ArrayList<>();
		try {
			Enumeration netInterfaces = NetworkInterface.getNetworkInterfaces();
			while (netInterfaces.hasMoreElements()) {
				ni = (NetworkInterface) netInterfaces.nextElement();
				//  遍历所有 IP 特定情况，可以考虑用 ni.getName() 判断
				Enumeration ips = ni.getInetAddresses();
				while (ips.hasMoreElements()) {
					ip = (InetAddress) ips.nextElement();
					// 非127.0.0.1
					if (!ip.isLoopbackAddress() && ip.getHostAddress().matches("(\\d{1,3}\\.){3}\\d{1,3}")) {
						macList.add(getMacFromBytes(ni.getHardwareAddress()));
					}
				}
			}
		} catch (Exception e) {
			log.error("获取 Windows MAC 错误", e);
		}
		if (macList.size() > 0) {
			return macList.get(0);
		} else {
			return "";
		}
	}

	/**
	 * 获取 Linux 网卡的 MAC 地址 （如果 Linux 下有 eth0 这个网卡）
	 *
	 * @return String - MAC 地址
	 */
	private static String getLinuxMACAddressForEth0() {
		String mac = null;
		BufferedReader bufferedReader = null;
		Process process;
		try {
			// Linux下的命令，一般取eth0作为本地主网卡
			process = Runtime.getRuntime().exec("ifconfig eth0");
			// 显示信息中包含有 MAC 地址信息
			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");
				if (index >= 0) {
					// // 找到并取出 MAC 地址并去除2边空格
					mac = line.substring(index + "hwaddr".length() + 1).trim();
					break;
				}
			}
		} catch (IOException e) {
			log.error("获取 Linux MAC 信息错误", e);
		} finally {
			try {
				if (bufferedReader != null) {
					bufferedReader.close();
				}
			} catch (IOException e1) {
				log.error("获取 Linux MAC 信息错误", e1);
			}
		}
		return mac;
	}

	/**
	 * 获取 Linux 网卡的 MAC 地址
	 *
	 * @return String - MAC 地址
	 */
	private static String getLinuxMACAddress() {
		String mac = null;
		BufferedReader bufferedReader = null;
		Process process = null;
		try {
			// Linux下的命令 显示或设置网络设备
			process = Runtime.getRuntime().exec("ifconfig");
			// 显示信息中包含有 MAC 地址信息
			bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
			String line = null;
			int index = -1;
			while ((line = bufferedReader.readLine()) != null) {
				Pattern pat = Pattern.compile(REGEX);
				Matcher mat = pat.matcher(line);
				if (mat.find()) {
					mac = mat.group(0);
				}
			}
		} catch (IOException e) {
			log.error("获取 Linux MAC 信息错误", e);
		} finally {
			try {
				if (bufferedReader != null) {
					bufferedReader.close();
				}
			} catch (IOException e1) {
				log.error("获取 Linux MAC 信息错误", e1);
			}
		}
		return mac;
	}

	/**
	 * 获取 Windows 的 CPU 序列号
	 *
	 * @return String - CPU 序列号
	 */
	private static String getWindowsProcessorIdentification() {
		StringBuilder result = new StringBuilder();
		try {
			File file = File.createTempFile("tmp", ".vbs");
			file.deleteOnExit();
			FileWriter fw = new java.io.FileWriter(file);
			String vbs = "Set objWMIService = GetObject(\"winmgmts:\\\\.\\root\\cimv2\")\n"
					+ "Set colItems = objWMIService.ExecQuery _ \n" + "   (\"Select * from Win32_Processor\") \n"
					+ "For Each objItem in colItems \n" + "    Wscript.Echo objItem.ProcessorId \n"
					+ "    exit for  ' do the first cpu only! \n" + "Next \n";

			fw.write(vbs);
			fw.close();
			Process p = Runtime.getRuntime().exec("cscript //NoLogo " + file.getPath());
			BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
			String line;
			while ((line = input.readLine()) != null) {
				result.append(line);
			}
			input.close();
			boolean delete = file.delete();
			if (delete) {
				log.debug(">>> 删除文件失败");
			}
		} catch (Exception e) {
			log.error("获取 Windows CPU 信息错误", e);
		}
		return result.toString().trim();
	}

	/**
	 * 获取 Linux 的 CPU 序列号
	 *
	 * @return String - CPU 序列号
	 */
	private static String getLinuxProcessorIdentification() {
		String result = "";
		String CPU_ID_CMD = "dmidecode";
		BufferedReader bufferedReader = null;
		Process p = null;
		try {
			// 管道
			p = Runtime.getRuntime().exec(new String[]{"sh", "-c", CPU_ID_CMD});
			bufferedReader = new BufferedReader(new InputStreamReader(p.getInputStream()));
			String line = null;
			int index = -1;
			while ((line = bufferedReader.readLine()) != null) {
				index = line.toLowerCase().indexOf("uuid");
				if (index >= 0) {
					result = line.substring(index + "uuid".length() + 1).trim();
					break;
				}
			}
		} catch (IOException e) {
			log.error("获取 Linux CPU 信息错误", e);
		}
		return result.trim();
	}

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

	/**
	 * 获取当前计算机操作系统名称前缀 例如:windows,Linux,Unix等.
	 *
	 * @return String - 计算机操作系统名称
	 */
	public static String getOSNamePrefix() {
		String name = getOSName();
		if (name.startsWith(WINDOWS)) {
			return WINDOWS;
		} else if (name.startsWith(LINUX)) {
			return LINUX;
		} else if (name.startsWith(UNIX)) {
			return UNIX;
		} else {
			return "";
		}
	}

	/**
	 * 获取当前计算机主板序列号
	 *
	 * @return String - 计算机主板序列号
	 */
	public static String getMainBoardSerialNumber() {
		switch (getOSNamePrefix()) {
			case WINDOWS:
				return getWindowsMainBoardSerialNumber();
			case LINUX:
				return getLinuxMainBoardSerialNumber();
			default:
				return "";
		}
	}

	/**
	 * 获取当前计算机网卡的 MAC 地址
	 *
	 * @return String - 网卡的 MAC 地址
	 */
	public static String getMACAddress() {
		switch (getOSNamePrefix()) {
			case WINDOWS:
				return getWindowsMACAddress();
			case LINUX:
				String macAddressForEth0 = getLinuxMACAddressForEth0();
				if (StrUtil.isEmpty(macAddressForEth0)) {
					macAddressForEth0 = getLinuxMACAddress();
				}
				return macAddressForEth0;
			default:
				return "";
		}
	}

	/**
	 * 获取当前计算机的 CPU 序列号
	 *
	 * @return String - CPU 序列号
	 */
	public static String getCPUIdentification() {
		switch (getOSNamePrefix()) {
			case WINDOWS:
				return getWindowsProcessorIdentification();
			case LINUX:
				return getLinuxProcessorIdentification();
			default:
				return "";
		}
	}

	/**
	 * 获取计算机唯一标识
	 *
	 * @return ComputerUniqueIdentification - 计算机唯一标识
	 * @since 2020/10/14 8:50
	 */
	public static ComputerUniqueIdentification getComputerUniqueIdentification() {
		return new ComputerUniqueIdentification(getOSNamePrefix(), getMainBoardSerialNumber(), getMACAddress(), getCPUIdentification());
	}

	/**
	 * 获取计算机唯一标识
	 *
	 * @return String - 计算机唯一标识
	 * @since 2020/10/14 8:50
	 */
	public static String getComputerUniqueIdentificationString() {
		return getComputerUniqueIdentification().toString();
	}

	/**
	 * 计算机唯一标识
	 */

	private static class ComputerUniqueIdentification {
		private String namePrefix;
		private String mainBoardSerialNumber;
		private String MACAddress;
		private String CPUIdentification;

		public ComputerUniqueIdentification(String namePrefix, String mainBoardSerialNumber, String MACAddress, String CPUIdentification) {
			this.namePrefix = namePrefix;
			this.mainBoardSerialNumber = mainBoardSerialNumber;
			this.MACAddress = MACAddress;
			this.CPUIdentification = CPUIdentification;
		}

		public String getNamePrefix() {
			return namePrefix;
		}

		public void setNamePrefix(String namePrefix) {
			this.namePrefix = namePrefix;
		}

		public String getMainBoardSerialNumber() {
			return mainBoardSerialNumber;
		}

		public void setMainBoardSerialNumber(String mainBoardSerialNumber) {
			this.mainBoardSerialNumber = mainBoardSerialNumber;
		}

		public String getMACAddress() {
			return MACAddress;
		}

		public void setMACAddress(String MACAddress) {
			this.MACAddress = MACAddress;
		}

		public String getCPUIdentification() {
			return CPUIdentification;
		}

		public void setCPUIdentification(String CPUIdentification) {
			this.CPUIdentification = CPUIdentification;
		}

		@Override
		public String toString() {
			return '{' +
					"\"namePrefix=\":\"" + namePrefix + "\"," +
					"\"mainBoardSerialNumber=\":\"" + mainBoardSerialNumber + "\"," +
					"\"MACAddress=\":\"" + MACAddress + "\"," +
					"\"CPUIdentification=\":\"" + CPUIdentification +
					"\"}";
		}
	}

}