question: public XMLParser ( final String namespace , final String schema ) throws XMLException { try { JAXBContext jc = JAXBContext . newInstance ( namespace ) ; marshaller = jc . createMarshaller ( ) ; marshaller . setSchema ( XMLSchemaUtils . createSchema ( schema ) ) ; unmarshaller = jc . createUnmarshaller ( ) ; unmarshaller . setSchema ( XMLSchemaUtils . createSchema ( schema ) ) ; } catch ( JAXBException e ) { throw new XMLException ( "Cannot instantiate marshaller/unmarshaller for " + namespace , e ) ; } }
target:  Creates the XMLParser with the namespace and schema file for validation.