From: Marko Luukkainen <marko.luukkainen@vtt.fi>
Date: Fri, 24 Nov 2017 09:57:52 +0000 (+0200)
Subject: Fix NPE when user inputs empty string
X-Git-Tag: v1.31.0~20
X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=commitdiff_plain;h=refs%2Fchanges%2F60%2F1260%2F1

Fix NPE when user inputs empty string

fixes #7640

Change-Id: I44edaedd18185594965e2b2ce04b4931f3d6c724
---

diff --git a/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/NatTableGraphExplorer.java b/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/NatTableGraphExplorer.java
index 3bb05553d..aa384ad1d 100644
--- a/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/NatTableGraphExplorer.java
+++ b/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/NatTableGraphExplorer.java
@@ -1858,10 +1858,9 @@ public class NatTableGraphExplorer extends GraphExplorerImplBase implements Grap
 			if (modifier == null)
 				return false;
 			
-			String err =  modifier.isValid(newValue.toString());
+			String err =  modifier.isValid(newValue != null ? newValue.toString() : "");
 			if (err == null)
 				return true;
-			modifier.isValid(newValue.toString());
 			throw new ValidationFailedException(err);
     	}
     }