BasicSplitPaneUI check

prsadhuk · Jun 26, 2024 · 655ab84 · 655ab84
1 parent 7aadfcc
commit 655ab84
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/java.desktop/share/classes/javax/swing/JSplitPane.java b/src/java.desktop/share/classes/javax/swing/JSplitPane.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -362,14 +362,17 @@ public JSplitPane(int newOrientation,
 
     }
 
+
     /**
      * {@inheritDoc}
      * @param enabled {@inheritDoc}
      */
     @Override
     public void setEnabled(boolean enabled) {
         super.setEnabled(enabled);
-        ((BasicSplitPaneUI)(this.getUI())).getDivider().setEnabled(enabled);
+        if (this.getUI() instanceof BasicSplitPaneUI) {
+            ((BasicSplitPaneUI)(this.getUI())).getDivider().setEnabled(enabled);
+        }
     }
 
     /**
@@ -585,6 +588,7 @@ public void setOneTouchExpandable(boolean newValue) {
         repaint();
     }
 
+
     /**
      * Gets the <code>oneTouchExpandable</code> property.
      *