final String themeName = getThemeName(artifact);
        if (logger.isDebugEnabled()) {
            logger.debug("Theme: name={}", themeName);
        }
        try (ZipInputStream zis = new ZipInputStream(Files.newInputStream(jarPath))) {
            ZipEntry entry;
            while ((entry = zis.getNextEntry()) != null) {
                if (!entry.isDirectory()) {