final String classFilePath = TestCase.class.getName().replace('.', '/') + ".class";
        final URL classURL = ResourceUtil.getResource(classFilePath);
        final URL jarURL = new File(JarFileUtil.toJarFilePath(classURL)).toURI().toURL();
        ResourceTraversalUtil.forEach(new ZipInputStream(jarURL.openStream()), (ResourceHandler) (path, is) -> {
            try {
                if (count < 10) {

        final String classFilePath = TestCase.class.getName().replace('.', '/') + ".class";
        final URL classURL = ResourceUtil.getResource(classFilePath);
        final URL jarURL = new File(JarFileUtil.toJarFilePath(classURL)).toURI().toURL();
        ClassTraversalUtil.forEach(new ZipInputStream(jarURL.openStream()), (ClassHandler) (packageName, shortClassName) -> {
            if (count < 10) {

        }
        return create(new File(toJarFilePath(jarUrl)));
    }

    /**
     * Returns the path of the JAR file specified by the URL.
     *
     * @param jarUrl the URL of the JAR file (must not be {@literal null})
     * @return the path of the JAR file specified by the URL
     */
    public static String toJarFilePath(final URL jarUrl) {
        assertArgumentNotNull("jarUrl", jarUrl);

        final URL url = new URL("jar:" + f.toURI().toURL() + "!/");
        final String root = new File("/").getCanonicalPath();
        assertEquals(root + "Program Files" + File.separator + "foo.jar", JarFileUtil.toJarFilePath(url));
    }

    /**
     * @throws Exception
     */
    public void testRelativePath() throws Exception {
        final File f = new File("/Program Files/foo.jar");

            dir = new File(getFileName(url));
            for (int i = 0; i < num; ++i) {
                dir = dir.getParentFile();
            }
        } else {
            dir = new File(JarFileUtil.toJarFilePath(url));
        }
        return dir;
    }

    /**
     * Converts the resource URL to an external form.
     *
     * @param url
     *            The resource URL. Must not be {@literal null}.