获取当前服务的IP和端口号

package com.movitech.product.datahub.util;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.Query;
import java.lang.management.ManagementFactory;
import java.net.InetAddress;
import java.util.Set;

/**
 * @author Jay
 * @date  2019/06/10
 */
public class CommonUtils {

    private static final Logger logger = LoggerFactory.getLogger(CommonUtils.class);

    public static void main(String[] args){
        System.out.println(getLocalIP());
        System.out.println(getLocalPort());
    }

    /**
     * @return
     * @throws MalformedObjectNameException
     * 获取当前机器的端口号
     */
    public static String getLocalPort(){

        MBeanServer beanServer = ManagementFactory.getPlatformMBeanServer();
        Set<ObjectName> objectNames = null;
        try {
            objectNames = beanServer.queryNames(new ObjectName("*:type=Connector,*"),
            Query.match(Query.attr("protocol"), Query.value("HTTP/1.1")));
            String port = objectNames.iterator().next().getKeyProperty("port");
            return port;
        } catch (MalformedObjectNameException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * @return
     * 获取当前机器的IP
     */
    public static String getLocalIP() {
        InetAddress addr = null;
        try {
            addr = InetAddress.getLocalHost();
        } catch (Exception e) {
            e.printStackTrace();
        }

        byte[] ipAddr = addr.getAddress();
        String ipAddrStr = "";
        for (int i = 0; i < ipAddr.length; i++) {
            if (i > 0) {
                ipAddrStr += ".";
            }
            ipAddrStr += ipAddr[i] & 0xFF;
        }
        return ipAddrStr;
    }

}