code: private ResourceHandler createZipResourceHandler(final URL zipFile) throws IOException {
  
          final FileSystem fileSystem = newFileSystem(URI.create("jar:" + zipFile), Collections.<String, Object>emptyMap());
          final ResourceManager resMgr = new FileSystemResourceManager(fileSystem);
          return new ResourceHandler(resMgr);
      }
docs: Creates the resource handle for a zip file, specified by the URL.
  @param zipFile
  url to a zip file
  @return
  the resource handler to handle requests to files in the zip
  @throws IOException