import HelloApp.*;
import java.io.*;
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;

/**
 *  The server serving a Hello CORBA object
 *
 *@author     donsez
 *@version    16/06/2003
 */
public class HelloServer {

	/**
	 *  The main() Method
	 *
	 *@param  args  command arguments
	 */
	public static void main(String args[]) {

		if (args.length < 2) {
			usage();
			return;
		}

		try {
			// Set or load the ORB properties
			Properties props = null;
			// Properties props = new Properties();
			// props.put("org.omg.CORBA.ORBInitialPort", "1050");
			// props.put("org.omg.CORBA.ORBInitialHost", "MyHost");

			// create and initialize the ORB
			ORB orb = ORB.init(args, props);
						
			// 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
			HelloServant helloServant = new HelloServant();
			helloServant.setORB(orb);

			// get object reference from the servant
			org.omg.CORBA.Object ref = rootpoa.servant_to_reference(helloServant);
			Hello href = HelloHelper.narrow(ref);

			if (args[0].equals("-name")) {
				String bindingname = args[1];

				// 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
				NameComponent path[] = ncRef.to_name(bindingname);
				ncRef.rebind(path, href);

			} else if (args[0].equals("-iorfile")) {
				String iorfilename = args[1];

				// get the ior from the servant
				String ior = orb.object_to_string(ref);

				// save the ior string in a file
				PrintWriter ps = new PrintWriter(new FileOutputStream(iorfilename));
				ps.print(ior);
				ps.close();

			} else {
				usage();
				return;
			}

			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 ...");

	}


	/**
	 *  Print usage of this application
	 */
	static void usage() {
		System.err.println("Usage: HelloServer -name <bindingname> <orboptions>");
		System.err.println("Usage: HelloServer -iorfile <iorfilename> <orboptions>");
	}
}