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发信人: RichardQiu (Richard Qiu), 信区: Java
标  题: 用JB5实现j2ee tutorial中的converter范例(4)
发信站: 荔园晨风BBS站 (Wed Oct 10 17:51:58 2001), 转信

四、ConverterClient.java

package converterapp;

import javax.naming.*;
import javax.rmi.PortableRemoteObject;

/**
* Title:        A EJB SAMPLE
* Description:
* Copyright:    Copyright (c) 2001
* Company:      VISTA.COM
* @author George Hill
* @version 1.0
*/

public class ConverterClient {
  private ConverterHome converterHome = null;

  /**Construct the EJB test client*/
  public ConverterClient() {
    try {
      //get naming context
      Context ctx = new InitialContext();

      //look up jndi name
      Object ref = ctx.lookup("Converter");

      //cast to Home interface
      converterHome = (ConverterHome) PortableRemoteObject.narrow(ref,
        ConverterHome.class);

      Converter currencyConverter = converterHome.create();
      double amount = currencyConverter.dollarToYen(100.00);
      System.out.println(String.valueOf(amount));
      amount = currencyConverter.yenToEuro(100.00);
      System.out.println(String.valueOf(amount));
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  //----------------------------------------------------------------------------
  // Utility Methods
  //----------------------------------------------------------------------------

  public ConverterHome getHome() {
    return converterHome;
  }
  /**Main method*/

  public static void main(String[] args) {
    ConverterClient client = new ConverterClient();
    // Use the getHome() method of the client object to call Home interface
    // methods that will return a Remote interface reference.  Then
    // use that Remote interface reference to access the EJB.
  }
}

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