excercise 2 done

week1_TinsaeGhilay/Task2/GraphicsClient.java

@@ -0,0 +1,98 @@
+// Copyright and License 
+ 
+import GraphicsApp.*;
+import org.omg.CosNaming.*;
+import org.omg.CORBA.*;
+import org.omg.PortableServer.*;
+import org.omg.PortableServer.POA;
+
+// because we need GraphicalObject we have to do an implementation of it here. 
+// reversing the HelloServer.java here
+class Graph extends GraphicalObjectPOA {
+    private boolean filled;
+    private String name;
+    private ORB orb;
+
+    public Graph(String name, boolean filled) {
+        this.name = name;
+        this.filled = filled;
+    }
+
+    public void setORB(ORB orb_val) {
+        this.orb = orb_val; 
+    }
+
+    // draw
+    public void draw() {
+        System.out.println("Drawing graph: " + name);
+    }
+    
+    // show info
+    public void showInfo() {
+        System.out.println("Graph Info -> Name: " + name + ", Filled: " + filled);
+    }
+
+    // getter for is filled
+    public boolean is_filled() {
+        return filled;
+    }
+
+    // setter for is filled
+    public void is_filled(boolean value) {
+        this.filled = value;
+    }
+
+
+    // name getter, not setting it.
+    public String name() {
+        return name;
+    }
+}
+
+public class GraphicsClient
+{
+  static Rectangle rect;
+
+  public static void main(String args[])
+    {
+      try{
+        // create and initialize the ORB
+        ORB orb = ORB.init(args, null);
+
+        // get reference to rootpoa and activate the POAManager
+        POA rootpoa = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
+        rootpoa.the_POAManager().activate();
+
+        // reversing steps from HelloServer here as well.
+        // create servant and register it with the ORB
+        Graph graph = new Graph("Circle", true);
+        graph.setORB(orb); 
+
+        // get object reference from the servant
+        org.omg.CORBA.Object ref = rootpoa.servant_to_reference(graph);
+        GraphicalObject object = GraphicalObjectHelper.narrow(ref);
+
+
+        // get the root naming context
+        org.omg.CORBA.Object objRef = orb.resolve_initial_references("NameService");
+        
+        // Use NamingContextExt instead of NamingContext. This is 
+        // part of the Interoperable naming Service.  
+        NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
+ 
+        // resolve the Object Reference in Naming
+        String name = "Graphics";
+        rect = RectangleHelper.narrow(ncRef.resolve_str(name));
+
+
+        System.out.println("Obtained a handle on server object: " + rect);
+        rect.addObject(object);
+	    rect.removeObjectAtPosition(0);
+
+        } catch (Exception e) {
+          System.out.println("ERROR : " + e) ;
+          e.printStackTrace(System.out);
+          }
+    }
+
+}