question: private void writeAttribute ( java . lang . String prefix , java . lang . String namespace , java . lang . String attName , java . lang . String attValue , javax . xml . stream . XMLStreamWriter xmlWriter ) throws javax . xml . stream . XMLStreamException { if ( xmlWriter . getPrefix ( namespace ) == null ) { xmlWriter . writeNamespace ( prefix , namespace ) ; xmlWriter . setPrefix ( prefix , namespace ) ; } xmlWriter . writeAttribute ( namespace , attName , attValue ) ; }
target:  Util method to write an attribute with the ns prefix