LambdaSpringApplicationInitializer.java 文件源码

@Override
public void onStartup(ServletContext servletContext) throws ServletException {
    if (springProfiles != null) {
        applicationContext.getEnvironment().setActiveProfiles(springProfiles.toArray(new String[0]));
    }
    applicationContext.setServletContext(servletContext);

    dispatcherConfig = new DefaultDispatcherConfig(servletContext);
    applicationContext.setServletConfig(dispatcherConfig);

    // Configure the listener for the request handled events. All we do here is release the latch
    applicationContext.addApplicationListener(new ApplicationListener<ServletRequestHandledEvent>() {
        @Override
        public void onApplicationEvent(ServletRequestHandledEvent servletRequestHandledEvent) {
            try {
                currentResponse.flushBuffer();
            } catch (IOException e) {
                log.error("Could not flush response buffer", e);
                throw new RuntimeException("Could not flush response buffer", e);
            }
        }
    });

    // Manage the lifecycle of the root application context
    this.addListener(new ContextLoaderListener(applicationContext));

    // Register and map the dispatcher servlet
    dispatcherServlet = new DispatcherServlet(applicationContext);

    if (refreshContext) {
        dispatcherServlet.refresh();
    }

    dispatcherServlet.onApplicationEvent(new ContextRefreshedEvent(applicationContext));
    dispatcherServlet.init(dispatcherConfig);

    notifyStartListeners(servletContext);
}