attributelistener.java

达内JAVA培训-WEB课程部分项目源代码

package cn.com.tarena.web.servlet.day5;

import javax.servlet.http.HttpSessionAttributeListener;
import javax.servlet.http.HttpSessionBindingEvent;

public class AttributeListener implements HttpSessionAttributeListener{

	public void attributeAdded(HttpSessionBindingEvent event) {
		event.getSession().getServletContext().log("AttributeListener.attributeAdded");
		event.getSession().getServletContext().log(event.getName() + " = " + event.getValue());
	}

	public void attributeRemoved(HttpSessionBindingEvent event) {
		event.getSession().getServletContext().log("AttributeListener.attributeRemoved");
		event.getSession().getServletContext().log(event.getName() + " = " + event.getValue());		
	}

	public void attributeReplaced(HttpSessionBindingEvent event) {
		event.getSession().getServletContext().log("AttributeListener.attributeReplaced");
		event.getSession().getServletContext().log(event.getName() + " = " + event.getValue());
	}
	

}