PortletSessionListenerLoader.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.kernel.servlet;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.http.HttpSessionListener;

/**
 * <p>
 * See https://issues.liferay.com/browse/LEP-2299.
 * </p>
 *
 * @author Olaf Fricke
 * @author Brian Wing Shun Chan
 */
public class PortletSessionListenerLoader implements ServletContextListener {

	public PortletSessionListenerLoader(
		HttpSessionListener httpSessionListener) {

		_httpSessionListener = httpSessionListener;
	}

	@Override
	public void contextDestroyed(ServletContextEvent servletContextEvent) {
		PortletSessionListenerManager.removeHttpSessionListener(
			_httpSessionListener);

		_httpSessionListener = null;
	}

	@Override
	public void contextInitialized(ServletContextEvent servletContextEvent) {
		PortletSessionListenerManager.addHttpSessionListener(
			_httpSessionListener);
	}

	private HttpSessionListener _httpSessionListener;

}