How to create XML validator from XML schema?
public static void main(String[] args) throws Exception { // http://www.java-tips.org/java-se-tips-100019/170-javax-xml-validation/1733-how-to-create-xml-validator-from-xml-schema.html try { // define the type of schema - we use W3C: String schemaLang = XMLConstants.W3C_XML_SCHEMA_NS_URI; // get validation driver: SchemaFactory factory = SchemaFactory.newInstance(schemaLang); // create schema by reading it from an XSD file: Schema schema = factory.newSchema(new StreamSource( "BuildInstall.xsd")); Validator validator = schema.newValidator(); // at last perform validation: validator.validate(new StreamSource("Install.xml")); } catch (SAXException | IOException ex) { // we are here if the document is not valid: // ... process validation error... ex.printStackTrace(); } }