Sun's API document says about java.util.Calendar.WEEK_OF_MONTH,
"The first week of the month, as defined by getFirstDayOfWeek() and
getMinimalDaysInFirstWeek(), has value 1."
But GNU Classpath's java.util.GregorianCalendar returns 0 for the
first week of the month except for those special months whose
first day is Sunday (e.g. Jun 2003).
Here is my patch:
--- java/util/GregorianCalendar.java.orig Sun Mar 24 01:10:15 2002
+++ java/util/GregorianCalendar.java Mon Jul 28 11:53:16 2003
@@ -599,7 +599,7 @@
// which day of the week are we (0..6), relative to getFirstDayOfWeek
int relativeWeekday = (7 + fields[DAY_OF_WEEK] - getFirstDayOfWeek()) % 7;
- fields[WEEK_OF_MONTH] = (fields[DAY_OF_MONTH] - relativeWeekday + 6) / 7;
+ fields[WEEK_OF_MONTH] = (fields[DAY_OF_MONTH] - relativeWeekday + 12) / 7;
int weekOfYear = (fields[DAY_OF_YEAR] - relativeWeekday + 6) / 7;
By the way, while GNU Classpath's Calendar returns 53 or 54 as the last
week of the year, Sun's Java 1.4.2 returns 1. I think this may be a bug
of Sun's.
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