[mqtt] Treat incoming empty string as NULL for enum (#16641)

Treat incoming empty string as NULL for enum (#16641) Signed-off-by: Cody Cutrer <cody@cutrer.us>
openhab · Apr 28, 2024 · 836581e · 836581e
1 parent 8329668
commit 836581e
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/...binding.mqtt.generic/src/main/java/org/openhab/binding/mqtt/generic/values/TextValue.java b/...binding.mqtt.generic/src/main/java/org/openhab/binding/mqtt/generic/values/TextValue.java
@@ -106,7 +106,11 @@ public State parseMessage(Command command) throws IllegalArgumentException {
         final Set<String> states = this.states;
         String valueStr = command.toString();
         if (states != null && !states.contains(valueStr)) {
-            throw new IllegalArgumentException("Value " + valueStr + " not within range");
+            if (valueStr.isEmpty()) {
+                return UnDefType.NULL;
+            } else {
+                throw new IllegalArgumentException("Value " + valueStr + " not within range");
+            }
         }
         return new StringType(valueStr);
     }