Fix Issue #308

Author: pangyikhei

src/main/java/com/cronutils/descriptor/DescriptionStrategyFactory.java

@@ -83,7 +83,15 @@ public static DescriptionStrategy daysOfMonthInstance(final ResourceBundle bundl
                         return String
                                 .format("%s %s %s ", bundle.getString("the_nearest_weekday_to_the"), on.getTime().getValue(), bundle.getString("of_the_month"));
                     case L:
-                        return bundle.getString("last_day_of_month");
+                        Integer daysBefore = on.getNth().getValue();
+                        if (daysBefore > 0) {
+                            String daysRep =
+                                daysBefore == 1 ? bundle.getString("day") : bundle.getString("days");
+                            return String.format("%d %s %s", daysBefore, daysRep,
+                                bundle.getString("before_last_day_of_month"));
+                        } else {
+                            return bundle.getString("last_day_of_month");
+                        }
                     case LW:
                         return bundle.getString("last_weekday_of_month");
                     default:

src/main/resources/CronUtilsI18N.properties

@@ -21,6 +21,7 @@ last=last
 the_nearest_weekday_to_the=the nearest weekday to the
 last_day_of_month=last day of month
 last_weekday_of_month=last weekday of month
+before_last_day_of_month=before the last day of the month
 
 pattern_every_seconds = {0} {1}
 every_one=every

src/main/resources/CronUtilsI18N_de.properties

@@ -21,7 +21,7 @@ last=letzten
 the_nearest_weekday_to_the=am n\ufffdchsten Werktag nach dem 
 last_day_of_month=letzten Tag des Monats
 last_weekday_of_month=letzten Werktag des Monats
-
+before_last_day_of_month=vor dem letzten Tag des Monats
 
 pattern_every_seconds = {0} {1}
 every_one=jede

src/main/resources/CronUtilsI18N_el.properties

@@ -21,3 +21,4 @@ last=\u03C4\u03B5\u03BB\u03B1\u03C5\u03C4\u03B1\u03AF\u03BF
 the_nearest_weekday_to_the=\u03B7 \u03BA\u03BF\u03BD\u03C4\u03B9\u03BD\u03CC\u03C4\u03B5\u03C1\u03B7 \u03B5\u03C1\u03B3\u03AC\u03C3\u03B9\u03BC\u03B7 \u03C3\u03C4\u03BF
 last_day_of_month=\u03C4\u03B5\u03BB\u03B5\u03C5\u03C4\u03B1\u03AF\u03B1 \u03BC\u03AD\u03C1\u03B1 \u03C4\u03BF\u03C5 \u03BC\u03AE\u03BD\u03B1
 last_weekday_of_month=\u03C4\u03B5\u03BB\u03B5\u03C5\u03C4\u03B1\u03AF\u03B1 \u03B5\u03C1\u03B3\u03AC\u03C3\u03B9\u03BC\u03B7 \u03C4\u03BF\u03C5 \u03BC\u03AE\u03BD\u03B1
+before_last_day_of_month=\u03C0\u03C1\u03B9\u03BD \u03B1\u03C0\u03CC \u03C4\u03B7\u03BD \u03C4\u03B5\u03BB\u03B5\u03C5\u03C4\u03B1\u03AF\u03B1 \u03B7\u03BC\u03AD\u03C1\u03B1 \u03C4\u03BF\u03C5 \u03BC\u03AE\u03BD\u03B1

src/main/resources/CronUtilsI18N_en.properties

@@ -1,24 +1,25 @@
-between_x_and_y=between {0} and {1}
-every=every
-and=and
-at=at
-day=day
-days=days
-hour=hour
-hours=hours
-minute=minute
-minutes=minutes
-second=second
-seconds=seconds
-month=month
-months=months
-year=year
-years=years
-between=between
-of_every_month=of every month
-of_every_hour=of every hour
-of_the_month=of the month
-last=last
-the_nearest_weekday_to_the=the nearest weekday to the
-last_day_of_month=last day of month
-last_weekday_of_month=last weekday of month
+between_x_and_y=between {0} and {1}
+every=every
+and=and
+at=at
+day=day
+days=days
+hour=hour
+hours=hours
+minute=minute
+minutes=minutes
+second=second
+seconds=seconds
+month=month
+months=months
+year=year
+years=years
+between=between
+of_every_month=of every month
+of_every_hour=of every hour
+of_the_month=of the month
+last=last
+the_nearest_weekday_to_the=the nearest weekday to the
+last_day_of_month=last day of month
+last_weekday_of_month=last weekday of month
+before_last_day_of_month=before the last day of the month

src/main/resources/CronUtilsI18N_es.properties

@@ -21,3 +21,4 @@ last=ultimo
 the_nearest_weekday_to_the=dia de semana mas cercano a
 last_day_of_month=ultimo dia del mes
 last_weekday_of_month=ultimo dia de semana del mes
+before_last_day_of_month=antes del \u00FAltimo d\u00EDa del mes

src/main/resources/CronUtilsI18N_fr.properties

@@ -21,3 +21,4 @@ days=jours
 months=les mois
 years=les ann\u00e9es
 last_weekday_of_month=derni\u00e8re semaine du mois
+before_last_day_of_month=avant le dernier jour du mois

src/main/resources/CronUtilsI18N_id.properties

@@ -21,3 +21,4 @@ last=terakhir
 the_nearest_weekday_to_the=hari kerja terdekat ke
 last_day_of_month=hari terakhir di bulan
 last_weekday_of_month=hari kerja terakhir di bulan
+before_last_day_of_month=sebelum hari terakhir setiap bulan

src/main/resources/CronUtilsI18N_it.properties

@@ -20,4 +20,5 @@ of_the_month=del mese
 last=ultimo
 the_nearest_weekday_to_the=il giorno della settimana più vicino a
 last_day_of_month=ultimo giorno del mese
-last_weekday_of_month=ultimo giorno della settimana nel mese
+last_weekday_of_month=ultimo giorno della settimana nel mese
+before_last_day_of_month=prima dell'ultimo giorno del mese

src/main/resources/CronUtilsI18N_ko.properties

@@ -21,3 +21,4 @@ last=\uB9C8\uC9C0\uB9C9
 the_nearest_weekday_to_the=\uAC00\uC7A5 \uAC00\uAE4C\uC6B4 \uD3C9\uC77C
 last_day_of_month=\uB9D0\uC77C
 last_weekday_of_month=\uB9C8\uC9C0\uB9C9 \uC8FC
+before_last_day_of_month=\uB9E4\uC6D4 \uB9D0\uC77C \uC774\uC804