java通过ID获取MAC地址

java通过ID获取MAC地址

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上代码

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class TestMac {

    // 提供主方法，测试发送GET请求和POST请求
    public static void main(String args[]) {
        // 发送POST请求
        //JSONObject jb = SendPost.post("{\"Cmd\":\"register\",\"UserName\":\"bHVvbmFlcmR1bw==\",\"password\":\"4297f44b13955235245b2497399d7a93\"}");
        String mac=getMacAddress("10.208.52.129");
        System.out.println("mac:"+mac);
    }

    /**
     * 获取MAC地址
     *
     * @return 返回MAC地址
     */
    public static String getMacAddress(String ip) {
        String macAddress = "";
        macAddress = getMacInWindows(ip).trim();
        if (macAddress == null || "".equals(macAddress)) {
            macAddress = getMacInLinux(ip).trim();
        }
        return macAddress;
    }

    public static String getMacInLinux(final String ip) {
        String result = "";
        String[] cmd = { "/bin/sh", "-c", "ping " + ip + " -c 2 && arp -a" };
        String cmdResult = callCmd(cmd);
        result = filterMacAddress(ip, cmdResult, ":");
        return result;
    }

    public static String getMacInWindows(final String ip) {
        String result = "";
        String[] cmd = { "cmd", "/c", "ping " + ip };
        String[] another = { "cmd", "/c", "arp -a" };
        String cmdResult = callCmd(cmd, another);
        result = filterMacAddress(ip, cmdResult, "-");
        return result;
    }

    public static String filterMacAddress(final String ip, final String sourceString, final String macSeparator) {
        String result = "";
        String regExp = "((([0-9,A-F,a-f]{1,2}" + macSeparator + "){1,5})[0-9,A-F,a-f]{1,2})";
        Pattern pattern = Pattern.compile(regExp);
        Matcher matcher = pattern.matcher(sourceString);
        while (matcher.find()) {
            result = matcher.group(1);
            if (sourceString.indexOf(ip) <= sourceString.lastIndexOf(matcher.group(1))) {
                break; // 如果有多个IP,只匹配本IP对应的Mac.
            }
        }
        return result;
    }

    public static String callCmd(String[] cmd, String[] another) {
        String result = "";
        String line = "";
        try {
            Runtime rt = Runtime.getRuntime();
            Process proc = rt.exec(cmd);
            proc.waitFor(); // 已经执行完第一个命令，准备执行第二个命令
            proc = rt.exec(another);
            InputStreamReader is = new InputStreamReader(proc.getInputStream());
            BufferedReader br = new BufferedReader(is);
            while ((line = br.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    public static String callCmd(String[] cmd) {
        String result = "";
        String line = "";
        try {
            Process proc = Runtime.getRuntime().exec(cmd);
            InputStreamReader is = new InputStreamReader(proc.getInputStream());
            BufferedReader br = new BufferedReader(is);
            while ((line = br.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

}