jaxp xml XMLConstants xml parsers ParserConfigurationException xml parsers SAXParser xml parsers SAXParserFactory xml validation Schema impl Constants xml sax SAXException xml sax SAXNotRecognizedException xml sax SAXNotSupportedException saxparserfactoryimpl saxparserfactory namespaces_feature constants.sax_feature_prefix constants.namespaces_feature validation_feature constants.sax_feature_prefix constants.validation_feature xinclude_feature constants.xerces_feature_prefix constants.xinclude_feature features schema grammar isxincludeaware fsecureprocess saxparser newsaxparser parserconfigurationexception saxparser saxparserimpl saxparserimpl saxparserimpl features fsecureprocess saxexception se parserconfigurationexception se.getmessage saxparserimpl saxparserimpl newsaxparserimpl parserconfigurationexception saxnotrecognizedexception saxnotsupportedexception saxparserimpl saxparserimpl saxparserimpl saxparserimpl features saxnotsupportedexception saxnotrecognizedexception saxexception se parserconfigurationexception se.getmessage saxparserimpl setfeature name parserconfigurationexception saxnotrecognizedexception saxnotsupportedexception name nullpointerexception name.equals xmlconstants.feature_secure_processing fsecureprocess name.equals namespaces_feature setnamespaceaware name.equals validation_feature setvalidating name.equals xinclude_feature setxincludeaware features features features.put name boolean.true boolean.false newsaxparserimpl saxnotsupportedexception features.remove name saxnotrecognizedexception features.remove name getfeature name parserconfigurationexception saxnotrecognizedexception saxnotsupportedexception name nullpointerexception name.equals xmlconstants.feature_secure_processing fsecureprocess name.equals namespaces_feature isnamespaceaware name.equals validation_feature isvalidating name.equals xinclude_feature isxincludeaware newsaxparserimpl getxmlreader getfeature name schema getschema grammar setschema schema grammar this.grammar grammar isxincludeaware this.isxincludeaware setxincludeaware this.isxincludeaware