/**
     * @throws Exception
     */
    @Test
    public void testIsAncestor() throws Exception {
        final ClassLoader cl1 = new URLClassLoader(new URL[] { new URL("file:/foo") }, null);
        final ClassLoader cl2 = new URLClassLoader(new URL[] { new URL("file:/bar") }, cl1);
        final ClassLoader cl3 = new URLClassLoader(new URL[] { new URL("file:/baz") }, cl2);

        assertThat(ClassLoaderUtil.isAncestor(cl3, cl2), is(true));

  }

  @J2ktIncompatible
  @GwtIncompatible // Class.getClassLoader()
  private URL[] getClassPathUrls() {
    ClassLoader classLoader = getClass().getClassLoader();
    return classLoader instanceof URLClassLoader
        ? ((URLClassLoader) classLoader).getURLs()
        : parseJavaClassPath().toArray(new URL[0]);
  }

  /**

        assertArgumentNotNull("classLoader", classLoader);
        this.classLoader = classLoader;
    }

    @Override
    public boolean hasNext() {
        return classLoader != null;
    }

    @Override
    public ClassLoader next() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        final ClassLoader result = classLoader;

     * @param locale
     *            ロケール
     * @param classLoader
     *            クラスローダ。{@literal null}や空文字列であってはいけません
     * @return {@link ResourceBundle}
     * @see ResourceBundle#getBundle(String, Locale, ClassLoader)
     */
    public static final ResourceBundle getBundle(final String name, final Locale locale, final ClassLoader classLoader) {
        assertArgumentNotNull("name", name);

        HtmlTagBasedGenerator generator = new HtmlTagBasedGenerator();
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        File outputFile = File.createTempFile("generator_", ".png");

        String imagePath = "thumbnail/600x400.png";
        try (ImageInputStream input = ImageIO.createImageInputStream(classLoader.getResourceAsStream(imagePath))) {
            generator.saveImage(input, outputFile);

    private final RealmType type;

    private final ClassLoader parent;

    private final List<String> parentImports;

    private final Map<String, ClassLoader> foreignImports;

    private final List<ClassRealmConstituent> constituents;

    DefaultClassRealmRequest(
            RealmType type,
            ClassLoader parent,
            List<String> parentImports,

     */
    public static ClassLoader getClassLoader(final Class<?> targetClass) {
        assertArgumentNotNull("targetClass", targetClass);

        final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
        if (contextClassLoader != null) {
            return contextClassLoader;
        }

        final ClassLoader targetClassLoader = targetClass.getClassLoader();

                }
            }
        }

        return null;
    }

    public ClassLoader getClassLoader() {
        return classLoader;
    }

    public DefaultBeanConfigurationRequest setClassLoader(ClassLoader classLoader) {
        this.classLoader = classLoader;
        return this;
    }

    public BeanConfigurationValuePreprocessor getValuePreprocessor() {

        if (request.getConfigurationElement() != null) {
            plexusConfig = plexusConfig.getChild(request.getConfigurationElement());
        }

        ClassLoader classLoader = request.getClassLoader();
        if (classLoader == null) {
            classLoader = request.getBean().getClass().getClassLoader();
        }

        BeanExpressionEvaluator evaluator = new BeanExpressionEvaluator(request);

                            handlerClass = Class.forName(className);
                        } catch (Exception ex) { }
                        if (handlerClass == null) {
                            handlerClass = ClassLoader.getSystemClassLoader(
                                    ).loadClass(className);
                        }
                        handler = (URLStreamHandler) handlerClass.newInstance();
                        break;