Validate group additions

ical4j · Sep 12, 2023 · 557b095 · 557b095
1 parent d5fd535
commit 557b095
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/main/java/net/fortuna/ical4j/vcard/VCardGroup.java b/src/main/java/net/fortuna/ical4j/vcard/VCardGroup.java
@@ -42,4 +42,12 @@ public List<VCard> getRevisions() {
     public VCard getLatestRevision() {
         return getRevisions().get(0);
     }
+
+    @Override
+    public VCardContainer add(VCard component) {
+        if (!cardPredicate.test(component)) {
+            throw new IllegalArgumentException("Invalid component for this group");
+        }
+        return VCardContainer.super.add(component);
+    }
 }