From d4d57f5160567a67fe2cea84bb08a4b232f8e955 Mon Sep 17 00:00:00 2001
From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Thu, 19 Dec 2019 13:08:53 +0200
Subject: [PATCH] Prevent NPE in JsonUtils.readPossibleVariableUri

Previously NPE could come if the input JSON contained e.g. array values.

gitlab #331

Change-Id: I0b4c5134de12685414716ff9cef479d48cabd8ba
---
 .../src/org/simantics/charts/internal/JsonUtils.java           | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bundles/org.simantics.charts/src/org/simantics/charts/internal/JsonUtils.java b/bundles/org.simantics.charts/src/org/simantics/charts/internal/JsonUtils.java
index 19d9d4843..49bc6f08d 100644
--- a/bundles/org.simantics.charts/src/org/simantics/charts/internal/JsonUtils.java
+++ b/bundles/org.simantics.charts/src/org/simantics/charts/internal/JsonUtils.java
@@ -54,6 +54,9 @@ public class JsonUtils {
         while (jp.nextToken() != JsonToken.END_OBJECT) {
             String fieldName = jp.getCurrentName();
             jp.nextToken();
+            if (fieldName == null)
+                continue;
+
             if (fieldName.equals("uri")) {
                 uri = jp.getValueAsString();
             } else if (fieldName.equals("type")) {
-- 
2.47.1