question: private void writeAttribute ( java . lang . String namespace , java . lang . String attName , java . lang . String attValue , javax . xml . stream . XMLStreamWriter xmlWriter ) throws javax . xml . stream . XMLStreamException { if ( namespace . equals ( "" ) ) { xmlWriter . writeAttribute ( attName , attValue ) ; } else { registerPrefix ( xmlWriter , namespace ) ; xmlWriter . writeAttribute ( namespace , attName , attValue ) ; } }
target:  Util method to write an attribute without the ns prefix