BeanDeploymentArchiveImpl.java 文件源码

private BeansXml readBeansXml(BeanArchive beanArchive, ClasspathResource resource) {
    try {
        final SAXParserFactory factory = SAXParserFactory.newInstance();
        factory.setValidating(true);
        factory.setNamespaceAware(true);
        final SAXParser parser = factory.newSAXParser();
        final InputSource source = new InputSource(new ByteArrayInputStream(resource.getBytes()));
        if (source.getByteStream().available() == 0) {
            // The file is just acting as a marker file
            return EMPTY_BEANS_XML;
        }
        final BeansXmlHandler handler = new BeansXmlHandler(beanArchive.getClasspathEntry().getURL());
        parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaLanguage", "http://www.w3.org/2001/XMLSchema");
        parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaSource", loadXsds());
        parser.parse(source, handler);
        return handler.createBeansXml();
    } catch (final SAXException | ParserConfigurationException | IOException e) {
        throw new TestEEfiException(
                "Failed to parse META-INF/beans.xml in " + beanArchive.getClasspathEntry().getURL(),
                e
        );
    }
}