converterclient.java

EJB应用开发详解代码,建立服务器和客户端,提供测试.

/*
 *
 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;

import Converter;
import ConverterHome;

public class ConverterClient {

   public static void main(String[] args) {
       try {
           Context initial = new InitialContext();
           Object objref = initial.lookup("java:comp/env/ejb/SimpleConverter");

           ConverterHome home = 
               (ConverterHome)PortableRemoteObject.narrow(objref, 
                                            ConverterHome.class);

           Converter currencyConverter = home.create();
           double amount = currencyConverter.dollarToYen(100.00);
           System.out.println(String.valueOf(amount));
           amount = currencyConverter.yenToEuro(100.00);
           System.out.println(String.valueOf(amount));

           System.exit(0);

       } catch (Exception ex) {
           System.err.println("Caught an unexpected exception!");
           ex.printStackTrace();
       }
   } 
}