org.springframework.web.servlet.handler.HandlerMappingIntrospector Java Examples

/**
 * Registers  an {@link HandlerMappingIntrospector} under a well-known name
 * unless already registered.
 */
private static void registerHandlerMappingIntrospector(ParserContext parserContext, @Nullable Object source) {
	if (!parserContext.getRegistry().containsBeanDefinition(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME)) {
		RootBeanDefinition beanDef = new RootBeanDefinition(HandlerMappingIntrospector.class);
		beanDef.setSource(source);
		beanDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		beanDef.setLazyInit(true);
		parserContext.getRegistry().registerBeanDefinition(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME, beanDef);
		parserContext.registerComponent(new BeanComponentDefinition(beanDef, HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME));
	}
}
 

/**
 * Registers  an {@link HandlerMappingIntrospector} under a well-known name
 * unless already registered.
 */
private static void registerHandlerMappingIntrospector(ParserContext parserContext, @Nullable Object source) {
	if (!parserContext.getRegistry().containsBeanDefinition(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME)){
		RootBeanDefinition beanDef = new RootBeanDefinition(HandlerMappingIntrospector.class);
		beanDef.setSource(source);
		beanDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		beanDef.setLazyInit(true);
		parserContext.getRegistry().registerBeanDefinition(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME, beanDef);
		parserContext.registerComponent(new BeanComponentDefinition(beanDef, HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME));
	}
}
 

@Test
public void testMatcher() {
    MvcRequestMatcher mvcRequestMatcher = new MvcRequestMatcher(new HandlerMappingIntrospector(), "/users/{id}");
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("GET", "/users/1")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("GET", "/users/aaa")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("GET", "/users")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("POST", "/users/1")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("PUT", "/users/1")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("DELETE", "/users/1")));
}
 

/**
 * 加载资源-权限关系
 */
private void loadResource(HttpServletRequest request) {
    try {
        List<ResourceEntity> resourceEntityList = resourceEntityMapper.selectByExample(new ResourceEntityExample());
        if (resourceEntityList == null || resourceEntityList.size() == 0) {
            log.warn("DB中没有查到资源权限列表，请先配置resource_entity！");
        } else {
            resourceMap.clear();
            Collection<ConfigAttribute> array;
            ConfigAttribute cfg;
            ServletContext sc = request.getServletContext();
            ApplicationContext ac = WebApplicationContextUtils.getRequiredWebApplicationContext(sc);

            HandlerMappingIntrospector introspector = ac.getBean(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME, HandlerMappingIntrospector.class);

            for (ResourceEntity resourceEntity : resourceEntityList) {
                array = new ArrayList<>();
                cfg = new ExpressionConfigAttribute(expressionHandler.getExpressionParser().parseExpression(resourceEntity.getPermission()));
                array.add(cfg);
                resourceMap.put(new MvcRequestMatcher(introspector, resourceEntity.getUrl()), array);
            }
        }
    } catch (Exception e) {
        if (log.isErrorEnabled()) {
            log.error("加载权限列表异常", e);
        }
    }

}
 

/**
 * Registers  an {@link HandlerMappingIntrospector} under a well-known name
 * unless already registered.
 */
private static void registerHandlerMappingIntrospector(ParserContext parserContext, Object source) {
	if (!parserContext.getRegistry().containsBeanDefinition(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME)){
		RootBeanDefinition beanDef = new RootBeanDefinition(HandlerMappingIntrospector.class);
		beanDef.setSource(source);
		beanDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		beanDef.setLazyInit(true);
		parserContext.getRegistry().registerBeanDefinition(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME, beanDef);
		parserContext.registerComponent(new BeanComponentDefinition(beanDef, HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME));
	}
}
 

@Test
public void testMatcher() {
    MvcRequestMatcher mvcRequestMatcher = new MvcRequestMatcher(new HandlerMappingIntrospector(), "/users/{id}");
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("GET", "/users/1")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("GET", "/users/aaa")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("GET", "/users")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("POST", "/users/1")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("PUT", "/users/1")));
    System.out.println(mvcRequestMatcher.matches(new MockHttpServletRequest("DELETE", "/users/1")));
}
 

@Bean
public WebMvcMetricsFilter webMetricsFilter( MeterRegistry registry, WebMvcTagsProvider tagsProvider,
    HandlerMappingIntrospector handlerMappingIntrospector )
{
    return new WebMvcMetricsFilter( registry, tagsProvider, "http_server_requests", true,
        handlerMappingIntrospector );
}
 

@Bean
@Lazy
public HandlerMappingIntrospector mvcHandlerMappingIntrospector() {
	return new HandlerMappingIntrospector();
}
 

@Bean
@Lazy
public HandlerMappingIntrospector mvcHandlerMappingIntrospector() {
	return new HandlerMappingIntrospector();
}
 

@Override
public void initialize(GenericApplicationContext context) {
	context.registerBean("webServerFactoryCustomizerBeanPostProcessor", WebServerFactoryCustomizerBeanPostProcessor.class, WebServerFactoryCustomizerBeanPostProcessor::new);
	context.registerBean(WebMvcProperties.class, () -> this.webMvcProperties);
	context.registerBean(ServletWebServerFactoryAutoConfiguration.BeanPostProcessorsRegistrar.class, ServletWebServerFactoryAutoConfiguration.BeanPostProcessorsRegistrar::new);
	context.registerBean(TomcatServletWebServerFactory.class, () -> new ServletWebServerFactoryConfiguration.EmbeddedTomcat().tomcatServletWebServerFactory(
			context.getBeanProvider(TomcatConnectorCustomizer.class),
			context.getBeanProvider(TomcatContextCustomizer.class),
			context.getBeanProvider(ResolvableType.forClass(TomcatProtocolHandlerCustomizer.class))));
	ServletWebServerFactoryAutoConfiguration servletWebServerFactoryConfiguration = new ServletWebServerFactoryAutoConfiguration();
	context.registerBean(ServletWebServerFactoryCustomizer.class, () -> servletWebServerFactoryConfiguration.servletWebServerFactoryCustomizer(serverProperties));
	context.registerBean(TomcatServletWebServerFactoryCustomizer.class, () -> servletWebServerFactoryConfiguration.tomcatServletWebServerFactoryCustomizer(serverProperties));
	context.registerBean(FilterRegistrationBean.class, servletWebServerFactoryConfiguration::forwardedHeaderFilter);

	DispatcherServletAutoConfiguration.DispatcherServletConfiguration dispatcherServletConfiguration = new DispatcherServletAutoConfiguration.DispatcherServletConfiguration();
	context.registerBean(DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_BEAN_NAME, DispatcherServlet.class, () -> dispatcherServletConfiguration.dispatcherServlet(webMvcProperties));
	context.registerBean(DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_REGISTRATION_BEAN_NAME, DispatcherServletRegistrationBean.class, () -> new DispatcherServletAutoConfiguration.DispatcherServletRegistrationConfiguration().dispatcherServletRegistration(context.getBean(DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_BEAN_NAME, DispatcherServlet.class), webMvcProperties, context.getBeanProvider(MultipartConfigElement.class)));

	WebMvcAutoConfiguration webMvcConfiguration = new WebMvcAutoConfiguration();
	context.registerBean(OrderedHiddenHttpMethodFilter.class, webMvcConfiguration::hiddenHttpMethodFilter);

	Supplier<WebMvcAutoConfigurationAdapter> webMvcConfigurationAdapter = new Supplier<WebMvcAutoConfigurationAdapter>() {

		private WebMvcAutoConfigurationAdapter configuration;

		@Override
		public WebMvcAutoConfigurationAdapter get() {
			if (configuration == null) {
				configuration = new WebMvcAutoConfigurationAdapter(resourceProperties, webMvcProperties, context, context.getBeanProvider(HttpMessageConverters.class), context.getBeanProvider(ResourceHandlerRegistrationCustomizer.class), context.getBeanProvider(DispatcherServletPath.class));
				return configuration;
			}
			return configuration;
		}
	};
	context.registerBean(InternalResourceViewResolver.class, () -> webMvcConfigurationAdapter.get().defaultViewResolver());
	context.registerBean(BeanNameViewResolver.class, () -> webMvcConfigurationAdapter.get().beanNameViewResolver());
	context.registerBean("viewResolver", ContentNegotiatingViewResolver.class, () -> webMvcConfigurationAdapter.get().viewResolver(context));
	context.registerBean(RequestContextFilter.class, WebMvcAutoConfigurationAdapter::requestContextFilter);
	// TODO Favicon management

	Supplier<EnableWebMvcConfiguration> enableWebMvcConfiguration = new Supplier<EnableWebMvcConfiguration>() {

		private EnableWebMvcConfiguration configuration;

		@Override
		public EnableWebMvcConfiguration get() {
			if (configuration == null) {
				configuration = new EnableWebMvcConfigurationWrapper(context.getBeanProvider(WebMvcProperties.class), context.getBeanProvider(WebMvcRegistrations.class), context);
				configuration.setApplicationContext(context);
				configuration.setServletContext(((WebApplicationContext) context).getServletContext());
				configuration.setResourceLoader(context);
			}
			return configuration;
		}
	};

	context.registerBean(FormattingConversionService.class, () -> enableWebMvcConfiguration.get().mvcConversionService());
	context.registerBean(Validator.class, () -> enableWebMvcConfiguration.get().mvcValidator());
	context.registerBean(ContentNegotiationManager.class, () -> enableWebMvcConfiguration.get().mvcContentNegotiationManager());
	context.registerBean(ResourceChainResourceHandlerRegistrationCustomizer.class, () -> new ResourceChainCustomizerConfiguration().resourceHandlerRegistrationCustomizer());
	context.registerBean(PathMatcher.class, () -> enableWebMvcConfiguration.get().mvcPathMatcher());
	context.registerBean(UrlPathHelper.class, () -> enableWebMvcConfiguration.get().mvcUrlPathHelper());
	context.registerBean(HandlerMapping.class, () ->  enableWebMvcConfiguration.get().viewControllerHandlerMapping(context.getBean(FormattingConversionService.class), context.getBean(ResourceUrlProvider.class)));
	context.registerBean(RouterFunctionMapping.class, () ->  {

		return enableWebMvcConfiguration.get().routerFunctionMapping(context.getBean(FormattingConversionService.class), context.getBean(ResourceUrlProvider.class));
	});
	context.registerBean(HandlerMapping.class, () -> enableWebMvcConfiguration.get().resourceHandlerMapping(context.getBean(ContentNegotiationManager.class), context.getBean(FormattingConversionService.class), context.getBean(ResourceUrlProvider.class)));
	context.registerBean(ResourceUrlProvider.class, () -> enableWebMvcConfiguration.get().mvcResourceUrlProvider());
	context.registerBean(HandlerMapping.class, () -> enableWebMvcConfiguration.get().defaultServletHandlerMapping());
	context.registerBean(HandlerFunctionAdapter.class, () -> enableWebMvcConfiguration.get().handlerFunctionAdapter());
	context.registerBean(HttpRequestHandlerAdapter.class, () -> enableWebMvcConfiguration.get().httpRequestHandlerAdapter());
	context.registerBean(SimpleControllerHandlerAdapter.class, () -> enableWebMvcConfiguration.get().simpleControllerHandlerAdapter());
	context.registerBean(HandlerExceptionResolver.class, () -> enableWebMvcConfiguration.get().handlerExceptionResolver(context.getBean(ContentNegotiationManager.class)));
	context.registerBean(ViewResolver.class, () -> enableWebMvcConfiguration.get().mvcViewResolver(context.getBean(ContentNegotiationManager.class)));
	context.registerBean(HandlerMappingIntrospector.class, () -> enableWebMvcConfiguration.get().mvcHandlerMappingIntrospector(), bd -> bd.setLazyInit(true));
	context.registerBean(WelcomePageHandlerMapping.class, () -> enableWebMvcConfiguration.get().welcomePageHandlerMapping(context, context.getBean(FormattingConversionService.class), context.getBean(ResourceUrlProvider.class)));
	context.registerBean(DispatcherServlet.LOCALE_RESOLVER_BEAN_NAME, LocaleResolver.class, () -> enableWebMvcConfiguration.get().localeResolver());
	context.registerBean(DispatcherServlet.THEME_RESOLVER_BEAN_NAME, ThemeResolver.class, () -> enableWebMvcConfiguration.get().themeResolver());
	context.registerBean(DispatcherServlet.FLASH_MAP_MANAGER_BEAN_NAME, FlashMapManager.class, () -> enableWebMvcConfiguration.get().flashMapManager());
	context.registerBean(DispatcherServlet.REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME, RequestToViewNameTranslator.class, () -> enableWebMvcConfiguration.get().viewNameTranslator());
}
 

@Bean @Lazy
public HandlerMappingIntrospector mvcHandlerMappingIntrospector() {
	return new HandlerMappingIntrospector();
}
 

public NewMvcRequestMatcher(HandlerMappingIntrospector introspector, String pattern, String method) {
    super(introspector, pattern);
    this.setMethod(HttpMethod.resolve(method));
    this.pattern = pattern;
    this.method = method;
}
 

@Bean
public HandlerMappingIntrospector handlerMappingIntrospector()
{
    return new HandlerMappingIntrospector();
}
 

@Bean(name = "mvcHandlerMappingIntrospectorCustom")
public HandlerMappingIntrospector mvcHandlerMappingIntrospectorCustom() {
	return new HandlerMappingIntrospector(context);
}