Created new InetUtil class for IP and mac related stuff

src/zutil/InetUtil.java

@@ -0,0 +1,54 @@
+package zutil;
+
+import zutil.converter.Converter;
+
+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.List;
+
+/**
+ * This class contains IP and MAC utility methods.
+ *
+ * Created by Ziver on 2016-10-04.
+ */
+public class InetUtil {
+
+    /**
+     * @return a list of IPv4 addresses for the all local network cards
+     */
+    public static List<InetAddress> getLocalInet4Address(){
+        ArrayList<InetAddress> ips = new ArrayList<>();
+        try {
+            Enumeration<NetworkInterface> netIntf = NetworkInterface.getNetworkInterfaces();
+            while(netIntf.hasMoreElements()){
+                Enumeration<InetAddress> addresses = netIntf.nextElement().getInetAddresses();
+                while (addresses.hasMoreElements()){
+                    InetAddress ip = addresses.nextElement();
+                    if (ip instanceof Inet4Address && ip.isSiteLocalAddress())
+                        ips.add(ip);
+                }
+            }
+        } catch (SocketException e) {
+            e.printStackTrace();
+        }
+        return ips;
+    }
+
+
+    /**
+     * @return the String representation of the given MAC address
+     */
+    public static String getHardwareAddressInString(byte[] address) {
+        StringBuilder str = new StringBuilder();
+        for (int i = 0; i < address.length; i++) {
+            if (i != 0)
+                str.append(':');
+            str.append(Converter.toHexString(address[i]));
+        }
+        return str.toString();
+    }
+}

src/zutil/net/InetScanner.java

@@ -110,27 +110,6 @@ public class InetScanner {
         return line.contains("TTL=") || line.contains("ttl=");
     }
 
-    /**
-     * @return a list of IPv4 addresses for the all local network cards
-     */
-    public static List<InetAddress> getLocalInet4Address(){
-        ArrayList<InetAddress> ips = new ArrayList<>();
-        try {
-            Enumeration<NetworkInterface> netIntf = NetworkInterface.getNetworkInterfaces();
-            while(netIntf.hasMoreElements()){
-                Enumeration<InetAddress> addresses = netIntf.nextElement().getInetAddresses();
-                while (addresses.hasMoreElements()){
-                    InetAddress ip = addresses.nextElement();
-                    if (ip instanceof Inet4Address && ip.isSiteLocalAddress())
-                        ips.add(ip);
-                }
-            }
-        } catch (SocketException e) {
-            e.printStackTrace();
-        }
-        return ips;
-    }
-
 
     public interface InetScanListener {
         void foundInetAddress(InetAddress ip);