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

        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) {
                    System.out.println(path);

        final URL url = new File("/Program File").toURI().toURL();
        assertEquals("file:" + getRoot() + "Program File", ResourceUtil.toExternalForm(url));
    }

    /**
     * @throws Exception
     */
    public void testGetFileName() throws Exception {
        URL url = new File("/Program File").toURI().toURL();
        assertEquals(getRoot() + "Program File", ResourceUtil.getFileName(url));

        return new RemoteRepository.Builder(
                        "repo",
                        "default",
                        getTestFile("target/test-classes/repo").toURI().toURL().toString())
                .build();
    }

     *
     * @param file
     *            ファイル。{@literal null}であってはいけません
     * @return ファイルURLを表すURLオブジェクト
     */
    public static URL toURL(final File file) {
        assertArgumentNotNull("file", file);

        try {
            return file.toURI().toURL();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * ファイルの内容をバイト配列に読み込んで返します。

        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) {

    }

    /**
     * @throws Exception
     */
    public void testToFile() throws Exception {
        final File file = new File("Program Files/hoge.txt");
        final URL url = file.toURI().toURL();
        assertEquals(file.getAbsoluteFile(), URLUtil.toFile(url));
        assertEquals(file.getAbsoluteFile(), URLUtil.toFile(new URL("file:Program%20Files/hoge.txt")));
    }

                String id = getId(constituent);
                logger.debug("  Included: {}", id);
            }

            try {
                classRealm.addURL(file.toURI().toURL());
            } catch (MalformedURLException e) {
                // Not going to happen
                logger.error(e.getMessage(), e);
            }
        }
    }

                    final URL warUrl = URLUtil.create(zipUrl, "../..");
                    final String path = warUrl.getPath();
                    zipUrl = FileUtil.toURL(new File(path.substring(0, path.length() - 1)));
                    prefix = zipUrlString.substring(warUrl.toExternalForm().length());
                    loadFromZip(zipUrl);
                }
            }

     * c.g.c.io.Files.createTempDir?
     */
    File fullPath = new File(Files.createTempDir(), name);
    File jarFile = pickAnyJarFile();
    Files.copy(jarFile, fullPath);
    return fullPath.toURI().toURL();
  }

  private static File pickAnyJarFile() throws IOException {
    for (ClassPath.LocationInfo location :
        ClassPath.locationsFrom(ClassPathTest.class.getClassLoader())) {