Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/BaseServletContextListener.java @ 4215:c179cd02177d
Logout the current user
Add code to the logout button to remove the current user from the session and to
redirect the browser window to the login page.
Part of flys/issue916 (Logout: "Abmelden" Knopf mit Funktion belegen)
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 23 Oct 2012 09:59:16 +0200 |
parents | 763789a9acca |
children |
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package de.intevation.flys.client.server; import java.io.IOException; import javax.servlet.ServletContext; import javax.servlet.ServletContextEvent; import javax.servlet.ServletContextListener; import org.apache.log4j.Logger; import de.intevation.flys.client.server.LoggingConfigurator; import de.intevation.flys.client.server.features.Features; import de.intevation.flys.client.server.features.XMLFileFeatures; /** * ServletContextListenter to initalize the Features globally for * all Servlets */ public class BaseServletContextListener implements ServletContextListener { public static final String LOG4J_PROPERTIES = "FLYS_CLIENT_LOG4J_PROPERIES"; public static final Logger logger = Logger.getLogger(BaseServletContextListener.class); @Override public void contextInitialized(ServletContextEvent sce) { ServletContext sc = sce.getServletContext(); this.initLogging(sc); String filename = sc.getInitParameter("features-file"); logger.debug("Initializing ServletContext"); try { XMLFileFeatures features = new XMLFileFeatures(sc.getRealPath(filename)); sc.setAttribute(Features.CONTEXT_ATTRIBUTE, features); } catch(IOException e) { logger.error(e); } } @Override public void contextDestroyed(ServletContextEvent sce) { //DO NOTHING } private void initLogging(ServletContext sc) { String log4jProperties = System.getenv(LOG4J_PROPERTIES); if (log4jProperties == null || log4jProperties.length() == 0) { String file = sc.getInitParameter("log4j-properties"); if (file != null && file.length() > 0) { log4jProperties = sc.getRealPath(file); } } System.out.println(log4jProperties); LoggingConfigurator.init(log4jProperties); } }