config/src/main/java/org/springframework/security/config/annotation/web/AbstractRequestMatcherRegistry.java
protected final List<MvcRequestMatcher> createMvcMatchers(HttpMethod method,
			String... mvcPatterns) {
		Assert.state(!this.anyRequestConfigured, "Can't configure mvcMatchers after anyRequest");
		ObjectPostProcessor<Object> opp = this.context.getBean(ObjectPostProcessor.class);
		if (!this.context.containsBean(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME)) {
			throw new NoSuchBeanDefinitionException("A Bean named " + HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME +" of type " + HandlerMappingIntrospector.class.getName()
				+ " is required to use MvcRequestMatcher. Please ensure Spring Security & Spring MVC are configured in a shared ApplicationContext.");
		}
		HandlerMappingIntrospector introspector = this.context.getBean(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME,
			HandlerMappingIntrospector.class);
		List<MvcRequestMatcher> matchers = new ArrayList<>(
				mvcPatterns.length);
		for (String mvcPattern : mvcPatterns) {
			MvcRequestMatcher matcher = new MvcRequestMatcher(introspector, mvcPattern);
			opp.postProcess(matcher);

			if (method != null) {
				matcher.setMethod(method);
			}
			matchers.add(matcher);
		}
		return matchers;
	}
protected final List<MvcRequestMatcher> createMvcMatchers(HttpMethod method,
			String... mvcPatterns) {
		Assert.state(!this.anyRequestConfigured, "Can't configure mvcMatchers after anyRequest");
		ObjectPostProcessor<Object> opp = this.context.getBean(ObjectPostProcessor.class);
		if (!this.context.containsBean(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME)) {
			throw new NoSuchBeanDefinitionException("A Bean named " + HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME +" of type " + HandlerMappingIntrospector.class.getName()
				+ " is required to use MvcRequestMatcher. Please ensure Spring Security & Spring MVC are configured in a shared ApplicationContext.");
		}
		HandlerMappingIntrospector introspector = this.context.getBean(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME,
			HandlerMappingIntrospector.class);
		List<MvcRequestMatcher> matchers = new ArrayList<>(
				mvcPatterns.length);
		for (String mvcPattern : mvcPatterns) {
			MvcRequestMatcher matcher = new MvcRequestMatcher(introspector, mvcPattern);
			opp.postProcess(matcher);

			if (method != null) {
				matcher.setMethod(method);
			}
			matchers.add(matcher);
		}
		return matchers;
	}
Creates {@link MvcRequestMatcher} instances for the method and patterns passed in

@param method the HTTP method to use or null if any should be used
@param mvcPatterns the Spring MVC patterns to match on
@return a List of {@link MvcRequestMatcher} instances