sessionobject.java

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package com.xl.ch04;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;

public class SessionObject implements HttpSessionBindingListener
{
  public void valueBound(HttpSessionBindingEvent event)
  {
    System.out.println(new java.util.Date()+"Binding "+event.getName()+
                       "to session "+event.getSession().getId());
  }
  
  public void valueUnbound(HttpSessionBindingEvent event)
  {
    System.out.println(new java.util.Date()+"Unbinding "+event.getName()+
                       "from session "+event.getSession().getId());
  }
}