protected Element updateElement ( Counter counter , Element parent , String name , boolean shouldExist ) { Element element = parent . getChild ( name , parent . getNamespace ( ) ) ; if ( ( element != null ) && shouldExist ) { counter . increaseCount ( ) ; } if ( ( element == null ) && shouldExist ) { element = factory . element ( name , parent . getNamespace ( ) ) ; insertAtPreferredLocation ( parent , element , counter ) ; counter . increaseCount ( ) ; } if ( ! shouldExist && ( element != null ) ) { int index = parent . indexOf ( element ) ; if ( index > 0 ) { Content previous = parent . getContent ( index - 1 ) ; if ( previous instanceof Text ) { Text txt = ( Text ) previous ; if ( txt . getTextTrim ( ) . length ( ) == 0 ) { parent . removeContent ( txt ) ; } } } parent . removeContent ( element ) ; } return element ; }
Method updateElement .