Utility methods and constructors

examples/src/OpenDis7Examples/ExampleSimulation.java

@@ -21,15 +21,68 @@ public class ExampleSimulation
     DisThreadedNetworkInterface.PduListener pduListener;
     Pdu receivedPdu;
     
-    String networkAddress = "239.1.2.3";
-    int    networkPort    = 3000;
+    private String networkAddress = "239.1.2.3";
+    private int    networkPort    = 3000;
+    
+    /**
+     * Constructor design goal: additional built-in initialization conveniences can go here
+     * to keep student efforts focused on the runSimulation() method.
+     */
+    public ExampleSimulation()
+    {
+        // Under consideration.
+    }
+    
+    /**
+     * Utility Constructor
+     * @param address network address to use
+     * @param port corresponding network port to use
+     */
+    public ExampleSimulation(String address, int port)
+    {
+        setNetworkAddress(address);
+        
+        setNetworkPort(port);
+    }
+
+    /**
+     * @return the networkAddress
+     */
+    public String getNetworkAddress()
+    {
+        return networkAddress;
+    }
+
+    /**
+     * @param networkAddress the networkAddress to set
+     */
+    public final void setNetworkAddress(String networkAddress)
+    {
+        this.networkAddress = networkAddress;
+    }
+
+    /**
+     * @return the networkPort
+     */
+    public int getNetworkPort()
+    {
+        return networkPort;
+    }
+
+    /**
+     * @param networkPort the networkPort to set
+     */
+    public final void setNetworkPort(int networkPort)
+    {
+        this.networkPort = networkPort;
+    }
 
     /**
      * Initialize network interface, choosing best available network interface
      */
     public void setUpNetworkInterface()
     {
-        disNetworkInterface = new DisThreadedNetworkInterface(networkAddress, networkPort);
+        disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
         
         System.out.println("Network confirmation: address=" + disNetworkInterface.getMcastGroup() + " port=" + disNetworkInterface.getDisPort());
         pduListener = new DisThreadedNetworkInterface.PduListener()
@@ -102,6 +155,10 @@ public class ExampleSimulation
     public static void main(String[] args)
     {
         // initial execution: can handle args array of initialization arguments here
+        if (args.length == 2)
+        {
+            
+        }
         
         ExampleSimulation thisProgram = new ExampleSimulation(); // creates instance