SpringMVC项目中获取所有URL到Controller Method的映射

    /**
     * 获取所有的url
     * 
     * @author Lynch
     */
    @ResponseBody
    @RequestMapping("index")
    public void index() {
        List<RestModel> list = new ArrayList<RestModel>();
        Map<String, RestModel> map = new HashMap<String, RestModel>();
        List<String> urlList = new ArrayList<String>();
        WebApplicationContext wac = (WebApplicationContext) ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest().getAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE);
        Map<String, HandlerMapping> requestMappings = BeanFactoryUtils.beansOfTypeIncludingAncestors(wac, HandlerMapping.class, true, false);
        for (HandlerMapping handlerMapping : requestMappings.values()) {
            if (handlerMapping instanceof RequestMappingHandlerMapping) {
                RequestMappingHandlerMapping rmhm = (RequestMappingHandlerMapping) handlerMapping;
                Map<RequestMappingInfo, HandlerMethod> handlerMethods = rmhm.getHandlerMethods();
                for (RequestMappingInfo rmi : handlerMethods.keySet()) {
                    PatternsRequestCondition prc = rmi.getPatternsCondition();
                    RequestMethodsRequestCondition mt  = rmi.getMethodsCondition(); 
                    String md = "";
                    for(RequestMethod method : mt.getMethods()) {
                        md = method.name();
                        break;
                    }
                    Set<String> patterns = prc.getPatterns();
                    HandlerMethod handlerMethod = handlerMethods.get(rmi);
                    for (String url : patterns) {  
                        Class<?> clazz = handlerMethod.getBeanType();
                        Method method = handlerMethod.getMethod();
                        RestModel restModel = new RestModel();
                        restModel.setUrl(url);
                        restModel.setClazz(clazz.toString());
                        restModel.setMethod(md);
                        map.put(url, restModel);
                        urlList.add(url);
                    }
                }
            }
        }
        String[] urls = new String[urlList.size()];
        urls = urlList.toArray(urls);
        Arrays.sort(urls);
        for (String url : urls) {
            list.add(map.get(url));
        }
 
    }