From: Jussi Koskela <jussi.koskela@semantum.fi>
Date: Mon, 20 Aug 2018 06:24:34 +0000 (+0300)
Subject: Check if root allows paste only for non-null target root to prevent NPE
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=9fa44c35ff5136dbc526a4bd5227e8c353d6d51a;p=simantics%2Fplatform.git

Check if root allows paste only for non-null target root to prevent NPE

gitlab #84

Change-Id: I7d736e78928bc203bfb05e72af31e16d204bdc32
(cherry picked from commit 3a2595f9c5b8a3c6d98add2e869678b26662fde9)
---

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/DefaultPasteHandler.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/DefaultPasteHandler.java
index 067ed9207..44aea9ad9 100644
--- a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/DefaultPasteHandler.java
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/DefaultPasteHandler.java
@@ -185,6 +185,8 @@ public class DefaultPasteHandler extends PasteHandlerAdapter {
     }
 
     protected void checkIfRootAllowsPaste(ReadGraph graph) throws DatabaseException {
+        if (resource == null)
+            return;
         Layer0 L0 = Layer0.getInstance(graph);
         // check if root is published
         Boolean published = graph.getPossibleRelatedValue(resource, L0.Entity_published);