SpringContextInitializerListener.java 文件源码

@Override
public void contextInitialized(ServletContextEvent sce) {
    try {
        AbstractRefreshableWebApplicationContext wac = (AbstractRefreshableWebApplicationContext) WebApplicationContextUtils
                .getWebApplicationContext(sce.getServletContext());
        if (wac == null) {
            contextLoader = new ContextLoader();
            createSpringApplicationContext(sce.getServletContext());
        } else {
            WebApplicationContextHolder.set(wac);
            enhanceExistingSpringWebApplicationContext(sce, wac);
        }
    } catch (Exception t) {
        LOGGER.error("Exception occured", t);
    }
}