code: public static URL findResourceBase(String baseResource, ClassLoader loader)
     {
        URL url = loader.getResource(baseResource);
        return findResourceBase(url, baseResource);
     }
docs: Find the classpath URL for a specific classpath resource.  The classpath URL is extracted
  from loader.getResource() using the baseResource.
  
  @param baseResource
  @param loader
  @return