Show corret message if layer is missing

blw-ofag-ufag · Dec 12, 2024 · 8517a28 · 8517a28
1 parent d11e2b2
commit 8517a28
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Geodatenbezug/Processors/TopicProcessor.cs b/Geodatenbezug/Processors/TopicProcessor.cs
@@ -223,6 +223,10 @@ public GdalLayer CreateGdalLayer(string layerName, Dictionary<string, FieldDefn>
     {
         var inputLayer = InputDataSource.GetLayerByName(layerName);
 
+        if (inputLayer == null) {
+            throw new InvalidOperationException($"Layer {layerName} not found in input data source");
+        }
+
         // Workaround https://github.com/blw-ofag-ufag/geodatenbezug_geodienste/issues/45
         var geometryType = inputLayer.GetNextFeature().GetGeometryRef().GetGeometryType();