Method getRootDirURL

output/java8/1.4.14/STGroup.java:798–800

Return root dir if this is group dir; return dir containing group file if this is group file. This is derived from original incoming dir or filename. If it was absolute, this should come back as full absolute path. If only a URL is available, return URL of one dir up.

()

     */

    public URL getRootDirURL() {
        return null;
    }

    public URL getURL(String fileName) {
        URL url;