question: @ Override public byte process ( Target target ) { Element word = navigator . getElement ( target ) ; if ( word == null ) return values . get ( "0" ) ; String pos = word . getAttribute ( "pos" ) ; if ( pos == null ) return values . get ( "0" ) ; pos = pos . trim ( ) ; if ( posConverter . containsKey ( pos ) ) { pos = posConverter . get ( pos ) ; } if ( ! values . contains ( pos ) ) return values . get ( "0" ) ; return values . get ( pos ) ; }
target:  Performs some processing on the given item.