Java ServletContext.addFilter方法代码示例

import javax.servlet.ServletContext; //导入方法依赖的package包/类
@Override
public void onStartup(ServletContext servletContext) throws ServletException {
	//register config classes
	AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
	rootContext.register(WebMvcConfig.class);
	rootContext.register(JPAConfig.class);
	rootContext.register(WebSecurityConfig.class);
	rootContext.register(ServiceConfig.class);
	//set session timeout
	servletContext.addListener(new SessionListener(maxInactiveInterval));
	//set dispatcher servlet and mapping
	ServletRegistration.Dynamic dispatcher = servletContext.addServlet("dispatcher",
			new DispatcherServlet(rootContext));
	dispatcher.addMapping("/");
	dispatcher.setLoadOnStartup(1);
	
	//register filters
	FilterRegistration.Dynamic filterRegistration = servletContext.addFilter("endcodingFilter", new CharacterEncodingFilter());
	filterRegistration.setInitParameter("encoding", "UTF-8");
	filterRegistration.setInitParameter("forceEncoding", "true");
	//make sure encodingFilter is matched first
	filterRegistration.addMappingForUrlPatterns(null, false, "/*");
	//disable appending jsessionid to the URL
	filterRegistration = servletContext.addFilter("disableUrlSessionFilter", new DisableUrlSessionFilter());
	filterRegistration.addMappingForUrlPatterns(null, true, "/*");
}
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
/**
 * Initializes Metrics.
 */
private void initMetrics(ServletContext servletContext, EnumSet<DispatcherType> disps) {
    log.debug("Initializing Metrics registries");
    servletContext.setAttribute(InstrumentedFilter.REGISTRY_ATTRIBUTE,
        metricRegistry);
    servletContext.setAttribute(MetricsServlet.METRICS_REGISTRY,
        metricRegistry);

    log.debug("Registering Metrics Filter");
    FilterRegistration.Dynamic metricsFilter = servletContext.addFilter("webappMetricsFilter",
        new InstrumentedFilter());

    metricsFilter.addMappingForUrlPatterns(disps, true, "/*");
    metricsFilter.setAsyncSupported(true);

    log.debug("Registering Metrics Servlet");
    ServletRegistration.Dynamic metricsAdminServlet =
        servletContext.addServlet("metricsServlet", new MetricsServlet());

    metricsAdminServlet.addMapping("/management/metrics/*");
    metricsAdminServlet.setAsyncSupported(true);
    metricsAdminServlet.setLoadOnStartup(2);
}
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
@Override
public void contextInitialized(ServletContextEvent sce) {

    ServletContext ctx = sce.getServletContext();

    ServletRegistration.Dynamic sd = ctx.addServlet("DynamicServlet",
            "com.creditease.monitorframework.fat.DynamicServlet");

    sd.addMapping("/DynamicServlet");
    sd.setInitParameter("test", "test");
    sd.setLoadOnStartup(1);
    sd.setAsyncSupported(false);

    FilterRegistration.Dynamic fd = ctx.addFilter("DynamicFilter",
            "com.creditease.monitorframework.fat.filters.DynamicFilter");

    fd.addMappingForUrlPatterns(null, true, "/DynamicServlet");
    fd.setInitParameter("test2", "test2");
    fd.setAsyncSupported(false);

    ctx.addListener("com.creditease.monitorframework.fat.listeners.TestServletInitListener");
}
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
private void addDispatcherContext(ServletContext container) {
	// Create the dispatcher servlet's Spring application context
	AnnotationConfigWebApplicationContext dispatcherContext = new AnnotationConfigWebApplicationContext();
	dispatcherContext.register(SpringDispatcherConfig.class);

	// Declare <servlet> and <servlet-mapping> for the DispatcherServlet
	ServletRegistration.Dynamic dispatcher = container.addServlet("ch03-servlet",
			new DispatcherServlet(dispatcherContext));
	dispatcher.addMapping("*.html");
	dispatcher.setLoadOnStartup(1);

	FilterRegistration.Dynamic corsFilter = container.addFilter("corsFilter", new CorsFilter());
	corsFilter.setInitParameter("cors.allowed.methods", "GET, POST, HEAD, OPTIONS, PUT, DELETE");
	corsFilter.addMappingForUrlPatterns(null, true, "/*");

	FilterRegistration.Dynamic filter = container.addFilter("hiddenmethodfilter", new HiddenHttpMethodFilter());
	filter.addMappingForServletNames(null, true, "/*");

	FilterRegistration.Dynamic multipartFilter = container.addFilter("multipartFilter", new MultipartFilter());
	multipartFilter.addMappingForUrlPatterns(null, true, "/*");

}
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
@Override
public void onStartup(ServletContext servletContext) throws ServletException {
	WebApplicationContext context = getContext();
	servletContext.addListener(new ContextLoaderListener(context));
	servletContext.addFilter("characterEncodingFilter", new CharacterEncodingFilter("UTF-8"));

	DispatcherServlet dispatcherServlet = new DispatcherServlet(context);
	dispatcherServlet.setThrowExceptionIfNoHandlerFound(true);

	ServletRegistration.Dynamic dispatcher = servletContext.addServlet("Dispatcher", dispatcherServlet);
	dispatcher.setLoadOnStartup(1);
	dispatcher.addMapping("/*");

	CXFServlet cxf = new CXFServlet();
	BusFactory.setDefaultBus(cxf.getBus());
	ServletRegistration.Dynamic cxfServlet = servletContext.addServlet("CXFServlet", cxf);
	cxfServlet.setLoadOnStartup(1);
	cxfServlet.addMapping("/services/*");

	servletContext.addFilter("springSecurityFilterChain", new DelegatingFilterProxy("springSecurityFilterChain")).addMappingForUrlPatterns(null, false,
			"/*");

	servletContext.getSessionCookieConfig().setSecure(cookieSecure);
}
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
/**
 * Configure the given {@link ServletContext} with any servlets, filters, listeners
 * context-params and attributes necessary for initializing this web application. See examples
 * {@linkplain WebApplicationInitializer above}.
 *
 * @param servletContext the {@code ServletContext} to initialize
 * @throws ServletException if any call against the given {@code ServletContext} throws a {@code ServletException}
 */
public void onStartup(ServletContext servletContext) throws ServletException {
	// Spring Context Bootstrapping
	AnnotationConfigWebApplicationContext rootAppContext = new AnnotationConfigWebApplicationContext();
	rootAppContext.register(AutoPivotConfig.class);
	servletContext.addListener(new ContextLoaderListener(rootAppContext));

	// Set the session cookie name. Must be done when there are several servers (AP,
	// Content server, ActiveMonitor) with the same URL but running on different ports.
	// Cookies ignore the port (See RFC 6265).
	CookieUtil.configure(servletContext.getSessionCookieConfig(), CookieUtil.COOKIE_NAME);

	// The main servlet/the central dispatcher
	final DispatcherServlet servlet = new DispatcherServlet(rootAppContext);
	servlet.setDispatchOptionsRequest(true);
	Dynamic dispatcher = servletContext.addServlet("springDispatcherServlet", servlet);
	dispatcher.addMapping("/*");
	dispatcher.setLoadOnStartup(1);

	// Spring Security Filter
	final FilterRegistration.Dynamic springSecurity = servletContext.addFilter(SPRING_SECURITY_FILTER_CHAIN, new DelegatingFilterProxy());
	springSecurity.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), true, "/*");

}
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
@Override
public void onStartup(ServletContext sc) throws ServletException {
	logger.info("wicket servlet initializer startup, configuration: {}", wicketConfiguration);
	FilterRegistration filter = sc.addFilter("wicket-filter", JavaxWebSocketFilter.class);
	filter.setInitParameter(JavaxWebSocketFilter.APP_FACT_PARAM, SpringWebApplicationFactory.class.getName());
	filter.setInitParameter("applicationBean", "wicketApplication");
	filter.setInitParameter(JavaxWebSocketFilter.FILTER_MAPPING_PARAM, "/*");
	filter.setInitParameter("configuration", wicketConfiguration);
	filter.addMappingForUrlPatterns(null, false, "/*");
}
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
@Override
    public void onStartup(ServletContext servletContext) throws ServletException {
        //If you want to use the XML configuration, comment the following two lines out.
        AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
        rootContext.register(ApplicationContext.class);
//        rootContext.scan("com.pigdroid.social.config");

        //If you want to use the XML configuration, uncomment the following lines.
        //XmlWebApplicationContext rootContext = new XmlWebApplicationContext();
        //rootContext.setConfigLocation("classpath:exampleApplicationContext.xml");

        ServletRegistration.Dynamic dispatcher = servletContext.addServlet(DISPATCHER_SERVLET_NAME, new DispatcherServlet(rootContext));
        dispatcher.setLoadOnStartup(1);
        dispatcher.addMapping(DISPATCHER_SERVLET_MAPPING);

        EnumSet<DispatcherType> dispatcherTypes = EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD);

        CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter();
        characterEncodingFilter.setEncoding("UTF-8");
        characterEncodingFilter.setForceEncoding(true);

        FilterRegistration.Dynamic characterEncoding = servletContext.addFilter("characterEncoding", characterEncodingFilter);
        characterEncoding.addMappingForUrlPatterns(dispatcherTypes, true, "/*");

        FilterRegistration.Dynamic security = servletContext.addFilter("springSecurityFilterChain", new DelegatingFilterProxy());
        security.addMappingForUrlPatterns(dispatcherTypes, true, "/*");

        FilterRegistration.Dynamic sitemesh = servletContext.addFilter("sitemesh", new ConfigurableSiteMeshFilter());
        sitemesh.addMappingForUrlPatterns(dispatcherTypes, true, "*.jsp");

        servletContext.addListener(new ContextLoaderListener(rootContext));
    }
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
@Override
public void beforeSpringSecurityFilterChain(final ServletContext container) {
    final FilterRegistration.Dynamic logFilter = container.addFilter("logFilter", LogFilter.class);
    logFilter.addMappingForUrlPatterns(null, false, MAPPING_ALLES);
    final FilterRegistration.Dynamic corsFilter = container.addFilter("corsFilter", CorsFilter.class);
    corsFilter.addMappingForUrlPatterns(null, false, MAPPING_ALLES);
}
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
WsServerContainer(ServletContext servletContext) {

        this.servletContext = servletContext;
        setInstanceManager((InstanceManager) servletContext.getAttribute(InstanceManager.class.getName()));

        // Configure servlet context wide defaults
        String value = servletContext.getInitParameter(
                Constants.BINARY_BUFFER_SIZE_SERVLET_CONTEXT_INIT_PARAM);
        if (value != null) {
            setDefaultMaxBinaryMessageBufferSize(Integer.parseInt(value));
        }

        value = servletContext.getInitParameter(
                Constants.TEXT_BUFFER_SIZE_SERVLET_CONTEXT_INIT_PARAM);
        if (value != null) {
            setDefaultMaxTextMessageBufferSize(Integer.parseInt(value));
        }

        value = servletContext.getInitParameter(
                Constants.ENFORCE_NO_ADD_AFTER_HANDSHAKE_CONTEXT_INIT_PARAM);
        if (value != null) {
            setEnforceNoAddAfterHandshake(Boolean.parseBoolean(value));
        }
        // Executor config
        int executorCoreSize = 0;
        long executorKeepAliveTimeSeconds = 60;
        value = servletContext.getInitParameter(
                Constants.EXECUTOR_CORE_SIZE_INIT_PARAM);
        if (value != null) {
            executorCoreSize = Integer.parseInt(value);
        }
        value = servletContext.getInitParameter(
                Constants.EXECUTOR_KEEPALIVETIME_SECONDS_INIT_PARAM);
        if (value != null) {
            executorKeepAliveTimeSeconds = Long.parseLong(value);
        }

        FilterRegistration.Dynamic fr = servletContext.addFilter(
                "Tomcat WebSocket (JSR356) Filter", new WsFilter());
        fr.setAsyncSupported(true);

        EnumSet<DispatcherType> types = EnumSet.of(DispatcherType.REQUEST,
                DispatcherType.FORWARD);

        fr.addMappingForUrlPatterns(types, true, "/*");

        // Use a per web application executor for any threads that the WebSocket
        // server code needs to create. Group all of the threads under a single
        // ThreadGroup.
        StringBuffer threadGroupName = new StringBuffer("WebSocketServer-");
        if ("".equals(servletContext.getContextPath())) {
            threadGroupName.append("ROOT");
        } else {
            threadGroupName.append(servletContext.getContextPath());
        }
        threadGroup = new ThreadGroup(threadGroupName.toString());
        WsThreadFactory wsThreadFactory = new WsThreadFactory(threadGroup);

        executorService = new ThreadPoolExecutor(executorCoreSize,
                Integer.MAX_VALUE, executorKeepAliveTimeSeconds, TimeUnit.SECONDS,
                new SynchronousQueue<Runnable>(), wsThreadFactory);
    }
 

import javax.servlet.ServletContext; //导入方法依赖的package包/类
WsServerContainer(ServletContext servletContext) {

		this.servletContext = servletContext;
		setInstanceManager((InstanceManager) servletContext.getAttribute(InstanceManager.class.getName()));

		// Configure servlet context wide defaults
		String value = servletContext.getInitParameter(Constants.BINARY_BUFFER_SIZE_SERVLET_CONTEXT_INIT_PARAM);
		if (value != null) {
			setDefaultMaxBinaryMessageBufferSize(Integer.parseInt(value));
		}

		value = servletContext.getInitParameter(Constants.TEXT_BUFFER_SIZE_SERVLET_CONTEXT_INIT_PARAM);
		if (value != null) {
			setDefaultMaxTextMessageBufferSize(Integer.parseInt(value));
		}

		value = servletContext.getInitParameter(Constants.ENFORCE_NO_ADD_AFTER_HANDSHAKE_CONTEXT_INIT_PARAM);
		if (value != null) {
			setEnforceNoAddAfterHandshake(Boolean.parseBoolean(value));
		}
		// Executor config
		int executorCoreSize = 0;
		long executorKeepAliveTimeSeconds = 60;
		value = servletContext.getInitParameter(Constants.EXECUTOR_CORE_SIZE_INIT_PARAM);
		if (value != null) {
			executorCoreSize = Integer.parseInt(value);
		}
		value = servletContext.getInitParameter(Constants.EXECUTOR_KEEPALIVETIME_SECONDS_INIT_PARAM);
		if (value != null) {
			executorKeepAliveTimeSeconds = Long.parseLong(value);
		}

		FilterRegistration.Dynamic fr = servletContext.addFilter("Tomcat WebSocket (JSR356) Filter", new WsFilter());
		fr.setAsyncSupported(true);

		EnumSet<DispatcherType> types = EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD);

		fr.addMappingForUrlPatterns(types, true, "/*");

		// Use a per web application executor for any threads that the WebSocket
		// server code needs to create. Group all of the threads under a single
		// ThreadGroup.
		StringBuffer threadGroupName = new StringBuffer("WebSocketServer-");
		if ("".equals(servletContext.getContextPath())) {
			threadGroupName.append("ROOT");
		} else {
			threadGroupName.append(servletContext.getContextPath());
		}
		threadGroup = new ThreadGroup(threadGroupName.toString());
		WsThreadFactory wsThreadFactory = new WsThreadFactory(threadGroup);

		executorService = new ThreadPoolExecutor(executorCoreSize, Integer.MAX_VALUE, executorKeepAliveTimeSeconds,
				TimeUnit.SECONDS, new SynchronousQueue<Runnable>(), wsThreadFactory);
	}