code: public boolean isDirectory(String path) {
  
  		boolean isDirectory = false;
  		String realPath = getRealResourcePath(path);
  		if (isFileSystemPath(path, realPath)) { // The resource has been
  												// remapped to a file system
  												// path
  			isDirectory = new File(realPath).isDirectory();
  		} else {
  			isDirectory = super.isDirectory(realPath);
  		}
  		return isDirectory;
  	}
docs: /*
  (non-Javadoc)
  
  @see net.jawr.web.resource.handler.reader.ServletContextResourceReader#
  isDirectory(java.lang.String)