}

    /**
     * 新しい {@link DocumentBuilder}を作成します。
     *
     * @return 新しい {@link DocumentBuilder}
     */
    public static DocumentBuilder newDocumentBuilder() {
        try {
            return newInstance().newDocumentBuilder();
        } catch (final ParserConfigurationException e) {
            throw new ParserConfigurationRuntimeException(e);
        }
    }

    }

    /**
     * @throws Exception
     */
    public void testToString() throws Exception {
        final DocumentBuilder builder = DocumentBuilderFactoryUtil.newDocumentBuilder();
        final Document doc = DocumentBuilderUtil.parse(builder, ResourceUtil.getResourceAsStream("org/codelibs/core/xml/test1.xml"));
        final Element root = doc.getDocumentElement();

                    factory.setFeature(Constants.XERCES_FEATURE_PREFIX + Constants.LOAD_EXTERNAL_DTD_FEATURE, false);
                    final DocumentBuilder builder = factory.newDocumentBuilder();

                    final Document doc = builder.parse(is);
                    final NodeList nodeList = doc.getElementsByTagName("component");
                    for (int i = 0; i < nodeList.getLength(); i++) {

                    factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, StringUtil.EMPTY);
                    final DocumentBuilder builder = factory.newDocumentBuilder();
                    final Document document = builder.parse(is);
                    final NodeList nodeList = document.getElementsByTagName("version");
                    for (int i = 0; i < nodeList.getLength(); i++) {