EDIT

avoid NPE

remove space arround nameInSource in fact label

ref #9071 use ExtendedTimePeriodFormatter in DescriptionHelper and improve formatting for CategoricalData

cleanup

ref #9071 use toString() instead of getTimePeriod()

ref #9071 use getTimePeriod instead of ExtendedTimePeriodPartialFormatter

ref #8990 fix NPE in getTemporalDataText (cont.)

cleanup

ref #8990 fix NPE in getTemporalDataText

ref #8990: use the extendedTimePeriodPartialFormatter