?? helloserver.java
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import HelloApp.*;import org.omg.CosNaming.*;import org.omg.CosNaming.NamingContextPackage.*;import org.omg.CORBA.*;import org.omg.PortableServer.*;import org.omg.PortableServer.POA;import java.util.Properties;class HelloImpl extends HelloPOA{ private ORB orb; public void setORB(ORB orb_val){ orb = orb_val; } public String sayHello(){ return "\nHello world !!\n"; } 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 & 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); // create a tie, with servant being the delegate. HelloPOATie tie = new HelloPOATie(helloImpl, rootpoa); // obtain the objectRef for the tie // this step also implicitly activates the // the object Hello href = tie._this(orb); // 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 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 ..."); }}
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