import ch.qos.logback.access.jetty.RequestLogImpl; //导入依赖的package包/类
@Bean
public EmbeddedServletContainerFactory jettyConfigBean() {

    DynamicPropertyFactory propertyFactory = DynamicPropertyFactory.getInstance();
    String accessLogFilePath = propertyFactory.getStringProperty("server.accessLog.config.file", ACCESS_LOG_FILE_PATH).getValue();

    JettyEmbeddedServletContainerFactory jettyEmbeddedServletContainerFactory
            = new JettyEmbeddedServletContainerFactory();
    jettyEmbeddedServletContainerFactory.addServerCustomizers(new org.springframework.boot.context.embedded.jetty.JettyServerCustomizer() {
        public void customize(Server server) {
            HandlerCollection handlers = new HandlerCollection();
            for (Handler handler : server.getHandlers()) {
                handlers.addHandler(handler);
            }
            RequestLogHandler requestLogHandler = new RequestLogHandler();
            RequestLogImpl requestLogImpl = new RequestLogImpl();
            requestLogImpl.setFileName(accessLogFilePath);
            requestLogHandler.setRequestLog(requestLogImpl);
            handlers.addHandler(requestLogHandler);
            server.setHandler(handlers);
            LOGGER.info("Jetty Server Customized. Access Log Configuration File - {}", accessLogFilePath);
        }
    });
    return jettyEmbeddedServletContainerFactory;
}
 

import ch.qos.logback.access.jetty.RequestLogImpl; //导入依赖的package包/类
/**
 * @return Jetty config bean
 */
@Bean
public EmbeddedServletContainerFactory jettyConfigBean() {
	JettyEmbeddedServletContainerFactory jef = new JettyEmbeddedServletContainerFactory();
	jef.addServerCustomizers(new JettyServerCustomizer() {
		public void customize(Server server) {
			if (Config.getConfigBoolean("access_log_enabled", true)) {
				// enable access log via Logback
				HandlerCollection handlers = new HandlerCollection();
				for (Handler handler : server.getHandlers()) {
					handlers.addHandler(handler);
				}
				RequestLogHandler reqLogs = new RequestLogHandler();
				reqLogs.setServer(server);
				RequestLogImpl rli = new RequestLogImpl();
				rli.setResource("/logback-access.xml");
				rli.setQuiet(true);
				rli.start();
				reqLogs.setRequestLog(rli);
				handlers.addHandler(reqLogs);
				server.setHandler(handlers);
			}

			for (Connector y : server.getConnectors()) {
				for (ConnectionFactory cf : y.getConnectionFactories()) {
					if (cf instanceof HttpConnectionFactory) {
						HttpConnectionFactory dcf = (HttpConnectionFactory) cf;
						// support for X-Forwarded-Proto
						// redirect back to https if original request uses it
						if (Config.IN_PRODUCTION) {
							HttpConfiguration httpConfiguration = dcf.getHttpConfiguration();
							httpConfiguration.addCustomizer(new ForwardedRequestCustomizer());
						}
						// Disable Jetty version header
						dcf.getHttpConfiguration().setSendServerVersion(false);
					}
				}
			}
		}
	});
	int defaultPort = NumberUtils.toInt(System.getProperty("jetty.http.port", "8080"));
	jef.setPort(NumberUtils.toInt(System.getProperty("server.port"), defaultPort));
	logger.info("Listening on port {}...", jef.getPort());
	return jef;
}