client.java

EJB应用开发的源码,是学习EJB的好帮助!EJB应用开发的源码,是学习EJB的好帮助

import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.naming.Context;
import java.rmi.RemoteException;
import javax.ejb.RemoveException;
import javax.ejb.CreateException;
import javax.ejb.FinderException;
import java.util.Enumeration;
import java.util.Hashtable;
import javax.rmi.PortableRemoteObject; 

/**
 * CMP Client for JavaWorld article - 'The Art of EJB Deployment'
 */

public class Client {
    private static ProfileHome ph = null;
    private static Profile p = null;

    // If Websphere...
    //private static ProfilePK pk = null;

    public static void main(String[] args) {
	Hashtable hash = new Hashtable();
	
	// Use for Weblogic 6.0
	hash.put( Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
	hash.put(Context.PROVIDER_URL, "t3://localhost:7001");
	
	// Uncomment if using Websphere 3.5
	//env.put(Context.INITIAL_CONTEXT_FACTORY, "com.ibm.ejs.ns.jndi.CNInitialContextFactory");
	//env.put(Context.PROVIDER_URL, "iiop://localhost:900");

	// Uncomment if using JBOSS 2.2.1
	//env.put("java.naming.factory.initial", "org.jnp.interfaces.NamingContextFactory");
	//env.put("java.naming.provider.url", "localhost:1099");
		
	try {
	    InitialContext ic = new InitialContext( hash );
	    
	    System.out.println("Got initial context...");
	    
	    Object ref = ic.lookup("profile/ProfileHome");
	    
	    System.out.println("Looked-up home interface...");
	    
	    ph = (ProfileHome) PortableRemoteObject.narrow( ref, ProfileHome.class );
	    
	    // If WebSphere...
	    //pk = new ProfilePK();
	    //pk.profile = "jbravo";

	    try { 
		p = ph.findByPrimaryKey( "jbravo" );

		// If Websphere...
		//p = ph.findByPrimaryKey( pk );
	    } catch (javax.ejb.ObjectNotFoundException nex) {
		p = ph.create(1, "Bravo", "Johnny");

		if ( p == null ) {
		    nex.printStackTrace();
		    return;
		}
	    }
	    
	    System.out.println("*** Profile Credentials ***");
	    System.out.println("ID: " + p.getProfile() );
	    System.out.println("First Name: " + p.getFname() );
	    System.out.println("Last Name: " + p.getLname() );
	    System.out.println("ProfileID: " + p.getProfile() );
	    
	    System.out.println("\nDONE!");
	} catch (Exception e) {
	    e.printStackTrace();
	}
    }
}