private Counter getDayCounterAtDate(Date day) {
		final Counter dayCounter = createDayCounterAtDate(day);
		try {
			dayCounter.readFromFile();
		} catch (final IOException e) {
			// lecture échouée, tant pis
			// (on n'interrompt pas tout un rapport juste pour un des fichiers illisible)
			LOG.info("read of a counter file failed: " + dayCounter.getName(), e);
		}
		return dayCounter;
	}
private Counter getDayCounterAtDate ( Date day ) { final Counter dayCounter = createDayCounterAtDate ( day ) ; try { dayCounter . readFromFile ( ) ; } catch ( final IOException e ) { LOG . info ( "read of a counter file failed: " + dayCounter . getName ( ) , e ) ; } return dayCounter ; }
compteur d'un jour donné