code: public static String parseSource(ResourceInfo resourceInfo) {
          if (resourceInfo != null) {
              Class clazz = resourceInfo.getResourceClass();
              if (clazz != null)
                  return ClassUtils.toString(clazz, resourceInfo.getResourceMethod());
          }
          return null;
      }
docs: <p>parseSource.</p>
  
  @param resourceInfo a {@link javax.ws.rs.container.ResourceInfo} object.
  @return a {@link java.lang.String} object.