Pattern mavenArtifactJar = Pattern.compile("maven-artifact-[\\d.]+(-SNAPSHOT)?\\.jar");

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                String filename = file.getFileName().toString();
                if (mavenArtifactJar.matcher(filename).matches()) {

            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
            if (ComponentUtil.getSystemHelper().getCurrentTimeAsLong() - Files.getLastModifiedTime(file).toMillis() > expiry) {