Java Utililty Methods XML SAX Parser

DefaultHandler handler = new DefaultHandler() {
    String name;
    String value;
    public void startElement(String uri, String localName, String qName, Attributes attributes)
            throws SAXException {
        name = attributes.getValue("name");
    public void characters(char[] ch, int start, int length) throws SAXException {
...

if (canDisableExternalDtds == null) {
    try {
        parserFactory.getFeature(XERCES_LOAD_EXTERNAL_DTD);
        canDisableExternalDtds = Boolean.TRUE;
    } catch (Exception ex) {
        canDisableExternalDtds = Boolean.FALSE;
return canDisableExternalDtds.booleanValue();

SAXParserFactory spf = SAXParserFactory.newInstance();
spf.setNamespaceAware(true);
return spf;

if (saxParserFactory == null) {
    throw new IllegalArgumentException("The provided SAX parser factory cannot be null");
if (contentHandler == null) {
    throw new IllegalArgumentException("The provided SAX content handler cannot be null");
saxParserFactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
saxParserFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
...

SAXParserFactory spf = SAXParserFactory.newInstance();
try {
    spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
    return spf.newSAXParser();
} catch (ParserConfigurationException | SAXException e) {
    throw new IllegalStateException(e);

SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true); 
SAXParser parser = factory.newSAXParser();
return parser;

try {
    SAXParser sp = spf.newSAXParser();
    if (dh instanceof LexicalHandler)
        sp.setProperty("http://xml.org/sax/properties/lexical-handler", dh);
    return sp;
} catch (ParserConfigurationException e) {
    throw new SAXException(e);

SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
saxParserFactory.setValidating(true);
saxParserFactory.setNamespaceAware(true);
return saxParserFactory;

SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
try {
    return factory.newSchema(new URL(url));
} catch (MalformedURLException | SAXException e) {
    throw new RuntimeException(e);

return createXMLReader(false, false);