* </p>
     *
     * @param rootDir the root directory (must not be {@literal null})
     * @param baseDirectory the base directory

     * The handler receives the entry name excluding the prefix. For example, if the Jar file contains <code>/WEB-INF/classes/ccc/ddd/Eee.class</code>,
     * the handler receives the package name <code>ccc.ddd</code> and the class name <code>Eee</code>.
     * </p>
     *
     * @param jarFile the Jar file (must not be {@literal null})