XMLType.java 文件源码

private static XMLInputFactory createXMLInputFactory()
        throws FactoryConfigurationError {
    XMLInputFactory factory = XMLInputFactory.newInstance();
    if (!SUPPORT_DTD) {
        factory.setProperty(XMLInputFactory.SUPPORT_DTD, Boolean.FALSE);
        //these next ones are somewhat redundant, we set them just in case the DTD support property is not respected
        factory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, Boolean.FALSE);
        factory.setXMLResolver(new XMLResolver() {

            @Override
            public Object resolveEntity(String arg0, String arg1, String arg2,
                    String arg3) throws XMLStreamException {
                throw new XMLStreamException("Reading external entities is disabled"); //$NON-NLS-1$
            }
        });
    }
    return factory;
}