excercise 2 done

week1_TinsaeGhilay/Task1/HelloServer.java

@@ -0,0 +1,73 @@
+// HelloServer.java
+import HelloApp.*;
+import org.omg.CosNaming.*;
+import org.omg.CORBA.*;
+import org.omg.PortableServer.*;
+import org.omg.PortableServer.POA;
+
+
+class HelloImpl extends HelloPOA {
+  private ORB orb;
+
+  public void setORB(ORB orb_val) {
+    orb = orb_val; 
+  }
+    
+  // implement sayHello() method
+  public String sayHello() {
+    return "\nHello world !!\n";
+  }
+    
+  // implement shutdown() method
+  public void shutdown() {
+    orb.shutdown(false);
+  }
+}
+
+
+public class HelloServer {
+
+  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();
+
+      // create servant and register it with the ORB
+      HelloImpl helloImpl = new HelloImpl();
+      helloImpl.setORB(orb); 
+
+      // get object reference from the servant
+      org.omg.CORBA.Object ref = rootpoa.servant_to_reference(helloImpl);
+      Hello href = HelloHelper.narrow(ref);
+          
+      // get the root naming context
+      org.omg.CORBA.Object objRef =
+          orb.resolve_initial_references("NameService");
+      // Use NamingContextExt which is part of the Interoperable
+      // Naming Service (INS) specification.
+      NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
+
+      // bind the Object Reference in Naming
+      String name = "Hello";
+      NameComponent path[] = ncRef.to_name( name );
+      ncRef.rebind(path, href);
+
+      System.out.println("HelloServer ready and waiting ...");
+
+      // wait for invocations from clients
+      orb.run();
+    } 
+        
+      catch (Exception e) {
+        System.err.println("ERROR: " + e);
+        e.printStackTrace(System.out);
+      }
+          
+      System.out.println("HelloServer Exiting ...");
+        
+  }
+}