code: public Set<String> getResourceNames(String path) {
  
  		Set<String> resourceNames = new HashSet<String>();
  		String realPath = getRealResourcePath(path);
  		if (isFileSystemPath(path, realPath)) { // The resource has been
  												// remapped to a file system
  												// path
  			try {
  				resourceNames = FileUtils.getResourceNames(new File(realPath));
  			} catch (InvalidPathException e) {
  				LOGGER.warn("The path " + path + " which has been mapped to " + realPath + " doesn't exist");
  			}
  		} else {
  			resourceNames = super.getResourceNames(realPath);
  		}
  
  		return resourceNames;
  	}
docs: /*
  (non-Javadoc)
  
  @see net.jawr.web.resource.handler.reader.ServletContextResourceReader#
  getResourceNames(java.lang.String)