appserver/tests/appserv-tests/devtests/web/servlet-3.1/changeSessionId/servlet/test/TestHttpSessionIdListener.java

/*
 * Copyright (c) 2012, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package test;

import java.io.IOException;

import jakarta.servlet.annotation.WebListener;
import jakarta.servlet.http.HttpSession;
import jakarta.servlet.http.HttpSessionEvent;
import jakarta.servlet.http.HttpSessionIdListener;

@WebListener
public class TestHttpSessionIdListener implements HttpSessionIdListener {
    public void sessionIdChanged(HttpSessionEvent event, String oldId) {
        HttpSession session = event.getSession();
        String sessionId = session.getId();
        System.out.println("sessionId: " + sessionId + ", " + oldId);
        if (!oldId.equals(sessionId)) {
            session.setAttribute("A", "two");
        }
    }
}