contextlistener.java

近几年来

package tarena.listener;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import tarena.util.ContextUtil;

import java.util.HashMap;
import java.util.Map;

public class ContextListener implements ServletContextListener {

	public void contextInitialized(ServletContextEvent arg0) {
		Map map = new HashMap();
		ServletContext servletContext = arg0.getServletContext();
		servletContext.setAttribute(ContextUtil.CLIENT_IP_MAP, map);
	}

	public void contextDestroyed(ServletContextEvent arg0) {
		ServletContext servletContext = arg0.getServletContext();
		servletContext.removeAttribute(ContextUtil.CLIENT_IP_MAP);		
	}

}