gistfile1.java

@Override
   public RequestMappingInfoAppendableHandlerMapping requestMappingHandlerMapping() {
      RequestMappingInfoAppendableHandlerMapping requestMappingHandlerMapping = new RequestMappingInfoAppendableHandlerMapping();
      if(matchGeneralConfiguration.getV4Enabled()) {
         requestMappingHandlerMapping = new V4RequestMappingHandlerMapping();
         mLogger.info("V4 configuration enabled. Only V4Controllers will be registered.");
      }

      requestMappingHandlerMapping.setOrder(0);
      requestMappingHandlerMapping.setInterceptors(getInterceptors());
      requestMappingHandlerMapping.setContentNegotiationManager(mvcContentNegotiationManager());

      requestMappingHandlerMapping.setUseTrailingSlashMatch(true);
      requestMappingHandlerMapping.setUseSuffixPatternMatch(false);
      return requestMappingHandlerMapping;
   }

   static class V4RequestMappingHandlerMapping extends RequestMappingInfoAppendableHandlerMapping {

      @Override
      protected boolean isHandler(Class<?> beanType) {
         return AnnotationUtils.findAnnotation(beanType, V4Controller.class) != null;
      }
   }