question: private void dialogChanged ( ) { String fileName = getFilename ( ) ; String set = getSetname ( ) ; if ( ( null == fileName ) || ( fileName . length ( ) < 1 ) ) { updateStatus ( "File name must be specified" ) ; return ; } if ( ( null == set ) || ( set . length ( ) < 1 ) ) { updateStatus ( "Set name must be specified" ) ; return ; } updateStatus ( null ) ; }
target:  Check data entered. File name and set name must be specified.