WsContextListener.java 文件源码

@Override
public void contextInitialized(ServletContextEvent sce) {
    ServletContext sc = sce.getServletContext();
    // Don't trigger WebSocket initialization if a WebSocket Server
    // Container is already present
    if (sc.getAttribute(Constants.SERVER_CONTAINER_SERVLET_CONTEXT_ATTRIBUTE) == null) {
        WsSci.init(sce.getServletContext(), false);
    }
}