ejbldapclient.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

/*
 * LdapClient.java
 */

import java.io.*;
import java.util.*;
import javax.ejb.EJBHome;
import javax.naming.*;
import javax.rmi.PortableRemoteObject;
import org.omg.CORBA.ORB;
import java.rmi.RemoteException;
import javax.ejb.CreateException;
import netscape.ldap.*;

public class EjbLdapClient {

    public static void main (String args[]) {
	if (args.length== 0){
	    args = new String[]{"ucmail.umuc.edu","[e-mail]", "o=umuc.edu"};
	}
	else if (args.length<3){
	    System.out.println("Usag: EjbLdapClient [ldap-server] [email address] [base DN e.g. o=netscape.com]");
	    System.exit(1);
	}//else if

	Hashtable env = new Hashtable();

	// Uncomment if using Weblogic
	env.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
	env.put(Context.PROVIDER_URL, "t3://localhost:7001");

	// Uncomment if using Websphere
	//env.put(Context.INITIAL_CONTEXT_FACTORY, "com.ibm.ejs.ns.jndi.CNInitialContextFactory");
	//env.put(Context.PROVIDER_URL, "iiop://localhost:900");

	// Uncomment if using JBOSS
	//env.put("java.naming.factory.initial", "org.jnp.interfaces.NamingContextFactory");
	//env.put("java.naming.provider.url", "localhost:1099");
		
	try {
	    System.out.println("looking");

	    InitialContext ic = new InitialContext();
	    
	    System.out.println("Got Initial context");
	    
	    EjbLdapHome ldaphome = (EjbLdapHome)  PortableRemoteObject.narrow(ic.lookup("HelloWorldLdap.EjbLdap"), EjbLdapHome.class);
	    
	    if ( null == ldaphome ){ System.out.println("couldn't find the Bean home interface");
	    System.exit(1);}
	    EjbLdap ldap = (EjbLdap)javax.rmi.PortableRemoteObject.narrow( ldaphome.create(),EjbLdap.class);
	    ldap.getConnected(args[0],389);
	    Hashtable mytable=ldap.getHashedEntry(args[1], args[2]);
	    Enumeration keys=mytable.keys();
	    String key;

	    while (keys.hasMoreElements()){
		key=keys.nextElement().toString();
		System.out.print(" key is " +key);
		String[]val=(String[])mytable.get(key);
		for(int i=0;i<val.length;i++){
		    System.out.println("\t"+val[i]);
		}//for
	    }//while
	    
	} catch (NamingException e) {
	    System.out.println("Naming Exception");
	    System.out.println("thisi is a naming exception");
	    System.out.println("Explanation " + e.getExplanation());
	    System.out.println("Resolved name : " + e.getResolvedName());
	    System.out.println("RemainingName " + e.getRemainingName());
	    System.out.println("Root Cause: " + e.getRootCause());
	} catch (RemoteException e) {
	    System.out.println("Heya Remote Exception");
	    System.out.println(e);
	    e.printStackTrace();
	} catch (CreateException e) {
	    System.out.println("Create Exception");
	} catch (Exception e) {
	    e.printStackTrace();
	}
    }
}