ContextLoaderListener.java 文件源码

@Override
public void contextInitialized(ServletContextEvent event) {
    String serviceName = event.getServletContext().getInitParameter("appName");
    System.setProperty("serviceName", serviceName == null ? "undefined" : serviceName);
    super.contextInitialized(event);
    WebApplicationContext applicationContext = WebApplicationContextUtils.getRequiredWebApplicationContext(event.getServletContext());
    SpringInstanceProvider provider = new SpringInstanceProvider(applicationContext);
    InstanceFactory.setInstanceProvider(provider);
}