rename util method

src/edu/nps/moves/dis7/examples/EspduReceiver.java

@@ -43,7 +43,7 @@ public class EspduReceiver
       InetAddress maddr = InetAddress.getByName(DisThreadedNetIF.DEFAULT_MCAST_GROUP);
       InetSocketAddress group = new InetSocketAddress(maddr, DisThreadedNetIF.DEFAULT_DIS_PORT);
 
-      socket.joinGroup(group, DisThreadedNetIF.findIp4Interface());
+      socket.joinGroup(group, DisThreadedNetIF.findIpv4Interface());
       
       // Loop infinitely, receiving datagrams
       EntityID eid;

src/edu/nps/moves/dis7/examples/EspduReceiverNIO.java

@@ -37,7 +37,7 @@ public class EspduReceiverNIO
       socket = new MulticastSocket(DisThreadedNetIF.DEFAULT_DIS_PORT);
       maddr = InetAddress.getByName(DisThreadedNetIF.DEFAULT_MCAST_GROUP);
       group = new InetSocketAddress(maddr, DisThreadedNetIF.DEFAULT_DIS_PORT);
-      socket.joinGroup(group, DisThreadedNetIF.findIp4Interface());
+      socket.joinGroup(group, DisThreadedNetIF.findIpv4Interface());
 
       // Loop infinitely, receiving datagrams
       while (true) {

src/edu/nps/moves/dis7/examples/EspduSender.java

@@ -97,7 +97,7 @@ public class EspduSender
           }
 
           InetSocketAddress group = new InetSocketAddress(destinationIp, port);
-          socket.joinGroup(group, DisThreadedNetIF.findIp4Interface());
+          socket.joinGroup(group, DisThreadedNetIF.findIpv4Interface());
         }
       } // end networkModeString
     }

src/edu/nps/moves/dis7/examples/EspduSenderNIO.java

@@ -45,7 +45,7 @@ public class EspduSenderNIO
       socket = new MulticastSocket(DisThreadedNetIF.DEFAULT_DIS_PORT);
       maddr = InetAddress.getByName(DisThreadedNetIF.DEFAULT_MCAST_GROUP);
       group = new InetSocketAddress(maddr, DisThreadedNetIF.DEFAULT_DIS_PORT);
-      socket.joinGroup(group, DisThreadedNetIF.findIp4Interface());
+      socket.joinGroup(group, DisThreadedNetIF.findIpv4Interface());
       
       Vector3Double location;
       EulerAngles orientation;

src/edu/nps/moves/dis7/examples/PduSender.java

@@ -292,7 +292,7 @@ public class PduSender
       InetAddress localMulticastAddress = InetAddress.getByName(DisThreadedNetIF.DEFAULT_MCAST_GROUP);
       MulticastSocket socket = new MulticastSocket(port);
       InetSocketAddress group = new InetSocketAddress(localMulticastAddress, port);
-      socket.joinGroup(group, DisThreadedNetIF.findIp4Interface());
+      socket.joinGroup(group, DisThreadedNetIF.findIpv4Interface());
 
       ByteArrayOutputStream baos = new ByteArrayOutputStream();
       DataOutputStream dos = new DataOutputStream(baos);

src/edu/nps/moves/dis7/utilities/DisNetworking.java

@@ -61,7 +61,7 @@ public class DisNetworking
           Logger.getLogger(DisNetworking.class.getName()).log(Level.SEVERE, null, ex);
       }
     group = new InetSocketAddress(maddr, DIS_PORT);
-    ni = DisThreadedNetIF.findIp4Interface();
+    ni = DisThreadedNetIF.findIpv4Interface();
     baos = new ByteArrayOutputStream();
     dos = new DataOutputStream(baos);
   }

src/edu/nps/moves/dis7/utilities/DisThreadedNetIF.java

@@ -100,7 +100,7 @@ public class DisThreadedNetIF
           Logger.getLogger(DisThreadedNetIF.class.getName()).log(Level.SEVERE, null, ex);
       }
     group = new InetSocketAddress(maddr, disPort);
-    ni = findIp4Interface();
+    ni = findIpv4Interface();
     init();
   }
 
@@ -334,11 +334,11 @@ public class DisThreadedNetIF
   }
 
     /**
-     * Find proper interface
+     * Find proper IPV4 interface
      *
      * @return a network interface to use to join a multicast group
      */
-    public static NetworkInterface findIp4Interface() {
+    public static NetworkInterface findIpv4Interface() {
         try {
             Enumeration<NetworkInterface> ifaces = NetworkInterface.getNetworkInterfaces();
             NetworkInterface nif;