// Client.java
// Copyright and License 
/** This is a client that calls methods on ArbitraryObject. It makes some of those calls within the context of AService and some outside of its context. It is unaware of the existence of the logging interceptor (except that it explicitly registers the LoggingServerClientORBInitializer as noted above). 
*/
package pi.serviceexample;

import org.omg.CORBA.ORB;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;

import java.util.Properties;

public class Client 
{
    public static void main(String av[])
    {
        try {
	    Properties props = new Properties();
	    props.put("org.omg.PortableInterceptor.ORBInitializerClass."
		      + "pi.serviceexample.AServiceORBInitializer",
		      "");
	    props.put("org.omg.PortableInterceptor.ORBInitializerClass."
		      + "pi.serviceexample.LoggingServiceClientORBInitializer",
		      "");
	    ORB orb = ORB.init(av, props);

	    //
	    // The client obtains a reference to a service.
	    // The client does not know the service is implemented
	    // using interceptors.
	    //

	    AService aService =	
		AServiceHelper.narrow(
	            orb.resolve_initial_references("AService"));

	    //
	    // The client obtains a reference to some object that
	    // it will invoke.
	    //

	    NamingContext nameService = 
		NamingContextHelper.narrow(
                    orb.resolve_initial_references("NameService"));
	    NameComponent arbitraryObjectPath[] =
	        { new NameComponent("ArbitraryObject", "") };
	    ArbitraryObject arbitraryObject =
		ArbitraryObjectHelper.narrow(nameService.resolve(arbitraryObjectPath));

	    //
	    // The client begins the service so that invocations of
	    // any object will be done with that service in effect.
	    //

	    aService.begin();
	    
	    arbitraryObject.arbitraryOperation1("one");
	    arbitraryObject.arbitraryOperation2(2);

	    //
	    // The client ends the service so that further invocations
	    // of any object will not be done with that service in effect.
	    //

	    aService.end();

	    // This invocation is not serviced by aService since
	    // it is outside the begin/end.
	    arbitraryObject.arbitraryOperation3("just return");


	    aService.begin();
	    try {
		arbitraryObject.arbitraryOperation3("throw exception");
		throw new RuntimeException("should not see this");
	    } catch (ArbitraryObjectException e) {
		// Expected in this example, so do nothing.
	    }
	    aService.end();

        } catch (Exception e) {
            e.printStackTrace();
	    System.exit(-1);
        }
	System.out.println("Client done.");
	System.exit(0);
    }
}