SpringContextInitializerListener.java 文件源码

private void enhanceExistingSpringWebApplicationContext(ServletContextEvent sce, WebApplicationContext wac) {

    LOGGER.info("Enhancing existing Spring application context...");

    String cosmoContextLocation = sce.getServletContext().getInitParameter(CONTEXT_PARAM_NAME);

    @SuppressWarnings("resource")
    GenericXmlApplicationContext cosmoAppCtxt = new GenericXmlApplicationContext();
    cosmoAppCtxt.setEnvironment((ConfigurableEnvironment) wac.getEnvironment());
    cosmoAppCtxt.load(cosmoContextLocation);
    cosmoAppCtxt.refresh();
    cosmoAppCtxt.start();

    //make beans that are required from web components (as delegating filter proxy) accesible
    ((AbstractRefreshableWebApplicationContext)wac).getBeanFactory().setParentBeanFactory(cosmoAppCtxt.getBeanFactory());
    LOGGER.info("Enhanced existing Spring application context started");
}