com.sonoport.spring.SessionListener.java Source code

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Here is the source code for com.sonoport.spring.SessionListener.java

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/*
 * Copyright 2014 sonoport.com
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
package com.sonoport.spring;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;

import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 * Manage the Spring context in relation to the HttpSession
 * 
 * @author Peter Back
 *
 */
public class SessionListener implements HttpSessionListener {

    @Override
    public void sessionCreated(HttpSessionEvent event) {
        final ServletContext servletContext = event.getSession().getServletContext();
        final WebApplicationContext context = WebApplicationContextUtils
                .getRequiredWebApplicationContext(servletContext);
        ApplicationContextLocator.setApplicationContext(context);
    }

    @Override
    public void sessionDestroyed(HttpSessionEvent event) {
        ApplicationContextLocator.setApplicationContext(null);
    }

}