001package ch.qos.logback.classic.servlet;
002
003import javax.servlet.ServletContextEvent;
004import javax.servlet.ServletContextListener;
005
006import org.slf4j.ILoggerFactory;
007import org.slf4j.LoggerFactory;
008
009import ch.qos.logback.classic.LoggerContext;
010import ch.qos.logback.classic.util.StatusViaSLF4JLoggerFactory;
011import ch.qos.logback.core.spi.ContextAwareBase;
012
013/**
014 * Allows for graceful shutdown of the {@link LoggerContext} associated with
015 * this web-app.
016 * 
017 * @author Ceki Gulcu
018 * @since 1.1.10
019 */
020public class LogbackServletContextListener implements ServletContextListener {
021
022    ContextAwareBase contextAwareBase = new ContextAwareBase();
023
024    @Override
025    public void contextInitialized(ServletContextEvent sce) {
026
027    }
028
029    @Override
030    public void contextDestroyed(ServletContextEvent sce) {
031
032        ILoggerFactory iLoggerFactory = LoggerFactory.getILoggerFactory();
033        if (iLoggerFactory instanceof LoggerContext) {
034            LoggerContext loggerContext = (LoggerContext) iLoggerFactory;
035            contextAwareBase.setContext(loggerContext);
036            StatusViaSLF4JLoggerFactory.addInfo("About to stop " + loggerContext.getClass().getCanonicalName() + " ["
037                    + loggerContext.getName() + "]", this);
038            loggerContext.stop();
039        }
040    }
041
042}