Go ahead and add at least this version of at() from Charlie Groves.

We may add some other at()s, and probably remove all the set*() methods, because
they are not that useful and ambiguous w/r/t HOUR vs. HOUR_OF_DAY, etc.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@2621 6335cc39-0255-0410-8fd6-9bcaacd3b74c

src/java/com/samskivert/util/Calendars.java

@@ -197,6 +197,17 @@ public class Calendars
         return with(calendar);
     }
 
+    /**
+     * Returns a fluent wrapper around a calendar configured to Midnight on specified day in the
+     * specified month and year.
+     */
+    public static Builder at (int year, int month, int day)
+    {
+        Calendar calendar = Calendar.getInstance();
+        calendar.set(year, month, day);
+        return with(calendar).zeroTime();
+    }
+
     /**
      * Returns a fluent wrapper around a calendar configured with the specified time.
      */