* @return The base directory above the root package.
     */
    protected static File getBaseDir(final URL url, final String baseName) {
        assertArgumentNotNull("url", url);

        File file = URLUtil.toFile(url);
        final String[] paths = StringUtil.split(baseName, "/");
        for (final String path : paths) {
            file = file.getParentFile();
        }
        return file;
    }

    /**

     *
     * @param fileUrl
     *            The URL of the Jar file. Must not be {@literal null}.
     * @return The {@link File} of the Jar file.
     */
    public static File toFile(final URL fileUrl) {
        assertArgumentNotNull("fileUrl", fileUrl);

        try {
            final String path = URLDecoder.decode(fileUrl.getPath(), "UTF-8");
            return new File(path).getAbsoluteFile();

   *     names in a loop until {@code mkdir()} returns {@code true}.) For JRE users, prefer {@link
   *     java.nio.file.Files#createTempDirectory}, transforming it to a {@link File} using {@link
   *     java.nio.file.Path#toFile() toFile()} if needed. To restrict permissions as this method
   *     does, pass {@code
   *     PosixFilePermissions.asFileAttribute(PosixFilePermissions.fromString("rwx------"))} to your
   *     call to {@code createTempDirectory}.

                }
            } catch (final Exception e) {
                throw new PluginException("Failed to install the artifact " + artifact.getName(), e);
            }
        } else {
            try (final InputStream in = new FileInputStream(url)) {
                CopyUtil.copy(in, ResourceUtil.getPluginPath(fileName).toFile());
            } catch (final Exception e) {

     * @throws FileAccessException
     *             If the file cannot be accessed or created.
     */
    public DynamicProperties(final Path path) {
        this(path == null ? null : path.toFile());
    }

    /**
     * Constructs a {@code DynamicProperties} instance with the specified {@link File}.
     *
     * @param file

            // Read and verify file content
            List<String> lines = new ArrayList<>();
            try (BufferedReader reader =
                    new BufferedReader(new InputStreamReader(new FileInputStream(tempFile.toFile()), Constants.CHARSET_UTF_8))) {
                String line;
                while ((line = reader.readLine()) != null) {
                    lines.add(line);
                }
            }

            }
        };
        ComponentUtil.register(systemHelper, "systemHelper");

        // Create temporary directory for test JAR files
        tempDir = Files.createTempDirectory("datastore-test").toFile();
        tempDir.deleteOnExit();
    }

    @Override
    public void tearDown() throws Exception {
        // Clean up temporary files
        if (tempDir != null && tempDir.exists()) {

   *     names in a loop until {@code mkdir()} returns {@code true}.) For JRE users, prefer {@link
   *     java.nio.file.Files#createTempDirectory}, transforming it to a {@link File} using {@link
   *     java.nio.file.Path#toFile() toFile()} if needed. To restrict permissions as this method
   *     does, pass {@code
   *     PosixFilePermissions.asFileAttribute(PosixFilePermissions.fromString("rwx------"))} to your
   *     call to {@code createTempDirectory}.

    @Override
    public void setUp() throws Exception {
        super.setUp();
        thumbnailJob = new GenerateThumbnailJob();

        // Create temporary directory
        tempDir = Files.createTempDirectory("test").toFile();
        tempDir.deleteOnExit();

        // Setup test components
        testProcessHelper = new TestProcessHelper();
        ComponentUtil.register(testProcessHelper, "processHelper");

        }
    }

    @Override
    public void setUp() throws Exception {
        super.setUp();
        execJob = new TestExecJob();
        tempDir = Files.createTempDirectory("execjob_test").toFile();

        // Store original helpers
        originalSystemHelper = ComponentUtil.hasComponent("systemHelper") ? ComponentUtil.getSystemHelper() : null;