Allow for null observances

ical4j · Jul 8, 2019 · 9ae3efc · 9ae3efc
1 parent b1cf42a
commit 9ae3efc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/main/java/net/fortuna/ical4j/model/TimeZone.java b/src/main/java/net/fortuna/ical4j/model/TimeZone.java
@@ -33,6 +33,7 @@
 
 import net.fortuna.ical4j.model.component.Daylight;
 import net.fortuna.ical4j.model.component.Observance;
+import net.fortuna.ical4j.model.component.Standard;
 import net.fortuna.ical4j.model.component.VTimeZone;
 import net.fortuna.ical4j.model.property.TzId;
 import net.fortuna.ical4j.model.property.TzOffsetFrom;
@@ -195,7 +196,7 @@ private static int getRawOffset(VTimeZone vt) {
             if (offsetFrom != null) {
                 return (int) (offsetFrom.getOffset().getTotalSeconds() * 1000L);
             }
-        } else {
+        } else if (latestSeasonalTime instanceof Standard) {
             final TzOffsetTo offsetTo = latestSeasonalTime.getProperty(Property.TZOFFSETTO);
             if (offsetTo != null) {
                 return (int) (offsetTo.getOffset().getTotalSeconds() * 1000L);