import org.apache.tomcat.websocket.server.WsContextListener; //导入依赖的package包/类
@Override
public void deployConfig(WebApplicationContext wac, Filter... filters) {
	Assert.state(this.port != -1, "setup() was never called.");
	this.context = this.tomcatServer.addContext("", System.getProperty("java.io.tmpdir"));
       this.context.addApplicationListener(WsContextListener.class.getName());
	Tomcat.addServlet(this.context, "dispatcherServlet", new DispatcherServlet(wac)).setAsyncSupported(true);
	this.context.addServletMapping("/", "dispatcherServlet");
	for (Filter filter : filters) {
		FilterDef filterDef = new FilterDef();
		filterDef.setFilterName(filter.getClass().getName());
		filterDef.setFilter(filter);
		filterDef.setAsyncSupported("true");
		this.context.addFilterDef(filterDef);
		FilterMap filterMap = new FilterMap();
		filterMap.setFilterName(filter.getClass().getName());
		filterMap.addURLPattern("/*");
		filterMap.setDispatcher("REQUEST,FORWARD,INCLUDE,ASYNC");
		this.context.addFilterMap(filterMap);
	}
}
 

import org.apache.tomcat.websocket.server.WsContextListener; //导入依赖的package包/类
@Override
protected void configureContext(Context context, ServletContextInitializer[] servletContextInits) {
    context.setCookies(true);
    context.setDistributable(true);
    context.setIgnoreAnnotations(true);
    context.setTldValidation(true);
    context.setUseHttpOnly(false);
    context.setXmlNamespaceAware(true);
    context.setXmlValidation(true);

    context.addApplicationListener(WsContextListener.class.getName());

    ((StandardContext) context).setWorkDir(this.workDir.getAbsolutePath());

    super.configureContext(context, ArrayUtils.add(servletContextInits, 0, new SdcctSessionConfigServletContextInitializer()));
}
 

import org.apache.tomcat.websocket.server.WsContextListener; //导入依赖的package包/类
public void deployConfig(Class<? extends WebApplicationInitializer>... initializers) {

        this.context = this.tomcatServer.addContext("", System.getProperty("java.io.tmpdir"));

		// Add Tomcat's DefaultServlet
		Wrapper defaultServlet = this.context.createWrapper();
		defaultServlet.setName("default");
		defaultServlet.setServletClass("org.apache.catalina.servlets.DefaultServlet");
		this.context.addChild(defaultServlet);

		// Ensure WebSocket support
		this.context.addApplicationListener(WsContextListener.class.getName());

		this.context.addServletContainerInitializer(
				new SpringServletContainerInitializer(), new HashSet<Class<?>>(Arrays.asList(initializers)));
	}