/**
* Register a {@link ContextLoaderListener} against the given servlet context. The {@code
* ContextLoaderListener} is initialized with the application context returned from the {@link
* #createRootApplicationContext()} template method.
*
* @param servletContext the servlet context to register the listener against
*/
protected void registerContextLoaderListener(ServletContext servletContext) {
WebApplicationContext rootAppContext = createRootApplicationContext();
mylog.debug("创建WebApplicationContext，如果不为空并注册ContextLoaderListener");
if (rootAppContext != null) {
ContextLoaderListener listener = new ContextLoaderListener(rootAppContext);
listener.setContextInitializers(getRootApplicationContextInitializers());
servletContext.addListener(listener);
} else {
logger.debug(
"No ContextLoaderListener registered, as "
+ "createRootApplicationContext() did not return an application context");
}
}
