code: @SuppressWarnings("unchecked")
  	@Override
  	public boolean isDirectory(String path) {
  		Set<String> paths = context.getResourcePaths(path);
  		return (null != paths && paths.size() > 0);
  	}
docs: /*
  (non-Javadoc)
  
  @see
  net.jawr.web.resource.handler.reader.ResourceBrowser#isDirectory(java.
  lang.String)