if (!baseDir.exists()) {
            return 0;
        }
        try {
            final FilePurgeVisitor visitor = new FilePurgeVisitor(baseDir.toPath(), imageExtention, expiry);
            Files.walkFileTree(baseDir.toPath(), visitor);
            return visitor.getCount();
        } catch (final Exception e) {
            throw new JobProcessingException(e);
        }
    }

    /**

    private
    fun File.withUniqueDirectory(prefixPath: String): File =
        Files.createTempDirectory(
            withDirectory(prefixPath.substringBeforeLast("/")).toPath(),
            prefixPath.substringAfterLast("/")
        ).toFile()

    private
    fun File.withDirectory(path: String): File =
        resolve(path).apply {
            mkdirs()
        }

            return nameSet.stream().sorted().collect(Collectors.toList());
        }
        for (final File jarFile : jarFiles) {
            try (FileSystem fs = FileSystems.newFileSystem(jarFile.toPath(), ClassLoader.getSystemClassLoader())) {
                final Path xmlPath = fs.getPath("fess_ds++.xml");
                if (!Files.exists(xmlPath)) {
                    if (logger.isDebugEnabled()) {

                            final File baseJspFile = getDesignJspFile("/WEB-INF/view/" + e.getValue());
                            try {
                                final Path jspPath = jspFile.toPath();
                                Files.copy(baseJspFile.toPath(), jspPath);
                                fileList.add(jspPath);
                            } catch (final IOException ex) {

            // Not using File#lastModified() to avoid a Linux JDK8 milliseconds precision bug: JDK-8177809.
            long artifactLastModified =
                    Files.getLastModifiedTime(packagedArtifactFile.toPath()).toMillis();

            if (session.getProjectBuildingRequest().getBuildStartTime() != null) {
                long buildStartTime =

                if (pluginXml.isFile()) {
                    pluginDescriptor = parsePluginDescriptor(
                            () -> Files.newInputStream(pluginXml.toPath()), plugin, pluginXml.getAbsolutePath());
                }
            }

            if (pluginDescriptor == null) {

    }

    @Deprecated
    public void setPomFile(java.io.File pomFile) {
        update( getDelegate().withPomFile(pomFile != null ? pomFile.toPath() : null));
    }

    /**
     * Gets the POM file for the corresponding project (if any).
     *