package cn.ksource.core.util;

import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import java.lang.Object;

public class InetAddrUtil {
	
	@SuppressWarnings("rawtypes")
	public List<Map> getIpAddrList(){
		List<Map> list = new ArrayList<Map>();
		try {
			Enumeration<NetworkInterface> enumNet = NetworkInterface.getNetworkInterfaces();
			while(enumNet.hasMoreElements()){
				NetworkInterface networkInterface = enumNet.nextElement();
				if(networkInterface.isLoopback()||networkInterface.isVirtual()){
					continue;
				}else if(networkInterface.isUp()){
					byte[] macbyte = networkInterface.getHardwareAddress();
					if(macbyte!=null){
						Map<String,Object> mac = new HashMap<String, Object>();
						Enumeration<InetAddress> enumNetAddr = networkInterface.getInetAddresses();
						StringBuffer sb = new StringBuffer();
						for(int i=0;i<macbyte.length;i++){
							sb.append(String.format("%02X%s", macbyte[i],(i<macbyte.length-1)?"-":""));
						}
						if(sb.length()>0){
							mac.put("mac",sb.toString());
							List<String> iplist = new ArrayList<String>();
							while(enumNetAddr.hasMoreElements()){
								InetAddress netaddress = enumNetAddr.nextElement();
								iplist.add(enumNetAddr.nextElement().getHostAddress());
							}
							mac.put("ips",iplist);
						}
						list.add(mac);
					}
				}
			}
		} catch (SocketException e) {
			e.printStackTrace();
		}
		return list;
	}
	
	public String getLocIp() throws Exception{
		String ip = "";
		InetAddress ia = InetAddress.getLocalHost();
		ip = ia.getHostAddress();
		return ip;
	}
	
	
	public String getLocalMacByIp(InetAddress ia) throws SocketException {
		// TODO Auto-generated method stub
		// 获取网卡，获取地址
		byte[] mac = NetworkInterface.getByInetAddress(ia).getHardwareAddress();
		//System.out.println("mac数组长度：" + mac.length);
		StringBuffer sb = new StringBuffer("");
		for (int i = 0; i < mac.length; i++) {
			if (i != 0) {
				sb.append("-");
			}
			// 字节转换为整数
			int temp = mac[i] & 0xff;
			String str = Integer.toHexString(temp);
			//System.out.println("每8位:" + str);
			if (str.length() == 1) {
				sb.append("0" + str);
			} else {
				sb.append(str);
			}
		}
		return sb.toString().toUpperCase();

	}
	
	
}