org.apache.juli.logging.ch.qos.logback.classic.servlet.LogbackServletContextListener Maven / Gradle / Ivy

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Tomcat10 Slf4j Logback Integration

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package org.apache.juli.logging.ch.qos.logback.classic.servlet;

import jakarta.servlet.ServletContextEvent;
import jakarta.servlet.ServletContextListener;

import org.apache.juli.logging.org.slf4j.ILoggerFactory;
import org.apache.juli.logging.org.slf4j.LoggerFactory;

import org.apache.juli.logging.ch.qos.logback.classic.LoggerContext;
import org.apache.juli.logging.ch.qos.logback.classic.util.StatusViaSLF4JLoggerFactory;
import org.apache.juli.logging.ch.qos.logback.core.spi.ContextAwareBase;

/**
 * Allows for graceful shutdown of the {@link LoggerContext} associated with
 * this web-app.
 * 
 * @author Ceki Gulcu
 * @since 1.1.10
 */
public class LogbackServletContextListener implements ServletContextListener {

    ContextAwareBase contextAwareBase = new ContextAwareBase();

    @Override
    public void contextInitialized(ServletContextEvent sce) {

    }

    @Override
    public void contextDestroyed(ServletContextEvent sce) {

        ILoggerFactory iLoggerFactory = LoggerFactory.getILoggerFactory();
        if (iLoggerFactory instanceof LoggerContext) {
            LoggerContext loggerContext = (LoggerContext) iLoggerFactory;
            contextAwareBase.setContext(loggerContext);
            StatusViaSLF4JLoggerFactory.addInfo("About to stop " + loggerContext.getClass().getCanonicalName() + " ["
                    + loggerContext.getName() + "]", this);
            loggerContext.stop();
        }
    }

}