Use session.setAttribute("attr", "value") in greeting, and you could add
session.removeAttribute("attr ") in response

 

 

  _____  

From: java-ee-j2ee-programming-with-passion@googlegroups.com
[mailto:java-ee-j2ee-programming-with-pass...@googlegroups.com] On Behalf Of
Anand A. Parikh
Sent: Thursday, October 08, 2009 6:29 AM
To: Java EE (J2EE) Programming with Passion!; derez...@yahoo.com
Subject: [java ee programming] Re: LAB 4005

 


 

When a session attribute is added/replaced/removed the methods will be
called automatically.

The homework asks you to add a session attribute in Greeting and remove it
in Response.

 

But, I noticed that the attributeReplaced() was called when the attribute
was removed.



--- On Wed, 10/7/09, derezone <derez...@yahoo.com> wrote:


From: derezone <derez...@yahoo.com>
Subject: [java ee programming] LAB 4005
To: "Java EE (J2EE) Programming with Passion!"
<java-ee-j2ee-programming-with-passion@googlegroups.com>
Date: Wednesday, October 7, 2009, 11:19 PM


For this homework .    Add another event handler Java source file called
MyOwnEventListener that implements Http Session Attribute Listener.

the code is as follows:
public void attributeAdded(HttpSessionBindingEvent se)
    {
        servletContext.log("attributeAdded() method is invoked");
    }

    public void attributeRemoved(HttpSessionBindingEvent se)
    {
             servletContext.log("attributeRemoved() method is
invoked");
    }

    public void attributeReplaced(HttpSessionBindingEvent se)
   {
             servletContext.log("attributeReplaced() method is
invoked");

   }



Now the question is :  how do I invoke these methods?? Do I need to
change  something in the web pages
or any extra code in the greeting or response java  ? ?
I have the getSession() code in place.



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