Java Utililty Methods XML SAX Parser

List of utility methods to do XML SAX Parser

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XML SAX Parser

Description

The list of methods to do XML SAX Parser are organized into topic(s).

Method

void addMessagesToMap(final Map hangmanMap, String messagesURIString)
add Messages To Map

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 {
...

boolean canDisableExternalDtds(SAXParserFactory parserFactory)
can Disable External Dtds

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

SAXParserFactory createNamespaceAwareSAXParserFactory()
Creates a namespace-aware SAXParserFactory

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

XMLReader createSafeSaxReader(SAXParserFactory saxParserFactory, ContentHandler contentHandler)
create Safe Sax Reader

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);
...

SAXParser createSaxParser()
Create a new SAXParser which processes XML securely.

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

SAXParser createSAXParser()
Creates SAX parser and disables XXE

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

SAXParser createSAXParser(DefaultHandler dh)
create SAX 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 createSaxParserFactory()
create Sax Parser Factory

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

Schema createSchema(String url)
create Schema

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);

XMLReader createXMLReader()
Create a simple parser.

return createXMLReader(false, false);