Servlet HttpSessionIdListener Arayüzü

Giriş

Şu satırı dahil ederiz

import javax.servlet.http.HttpSessionIdListener;

Açıklaması şöyle

The HttpSessionIdListener interface is for receiving notification events about session id changes. The order in which its implementations are invoked is unspecified.

Örnek

Şöyle yaparız

import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionIdListener;
import javax.servlet.annotation.WebListener;

@WebListener
public class MyHttpSessionIdListener implements HttpSessionIdListener {

  @Override
  public void sessionIdChanged(HttpSessionEvent event, String oldSessionId) {
    System.out.println("the session id was " + oldSessionId);
  }
}