55 lines
1.6 KiB
Java
55 lines
1.6 KiB
Java
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package zutil;
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import zutil.converter.Converter;
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import java.net.Inet4Address;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.List;
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/**
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* This class contains IP and MAC utility methods.
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*
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* Created by Ziver on 2016-10-04.
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*/
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public class InetUtil {
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/**
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* @return a list of IPv4 addresses for the all local network cards
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*/
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public static List<InetAddress> getLocalInet4Address(){
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ArrayList<InetAddress> ips = new ArrayList<>();
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try {
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Enumeration<NetworkInterface> netIntf = NetworkInterface.getNetworkInterfaces();
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while(netIntf.hasMoreElements()){
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Enumeration<InetAddress> addresses = netIntf.nextElement().getInetAddresses();
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while (addresses.hasMoreElements()){
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InetAddress ip = addresses.nextElement();
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if (ip instanceof Inet4Address && ip.isSiteLocalAddress())
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ips.add(ip);
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}
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}
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} catch (SocketException e) {
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e.printStackTrace();
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}
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return ips;
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}
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/**
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* @return the String representation of the given MAC address
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*/
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public static String getHardwareAddressInString(byte[] address) {
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StringBuilder str = new StringBuilder();
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for (int i = 0; i < address.length; i++) {
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if (i != 0)
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str.append(':');
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str.append(Converter.toHexString(address[i]));
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}
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return str.toString();
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}
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}
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