From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Mon, 17 Dec 2018 09:25:30 +0000 (+0200)
Subject: Fixed NPE from Activator
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F56%2F2556%2F2;p=simantics%2Fdistrict.git

Fixed NPE from Activator

gitlab #25

Change-Id: Ib4c2f6534ebdf09129f1491578f0d2df86e9b6cf
---

diff --git a/org.simantics.district.route/src/org/simantics/district/route/internal/Activator.java b/org.simantics.district.route/src/org/simantics/district/route/internal/Activator.java
index f26d0cd7..e628862b 100644
--- a/org.simantics.district.route/src/org/simantics/district/route/internal/Activator.java
+++ b/org.simantics.district.route/src/org/simantics/district/route/internal/Activator.java
@@ -51,8 +51,10 @@ public class Activator implements BundleActivator, ServiceListener {
         // Register initially availble routers
         routerTracker = new ServiceTracker<>(context, Router.class.getName(), null);
         routerTracker.open();
-        for (Object router : routerTracker.getServices()) {
-            routeService.registerRouter((Router) router);
+        Object[] routers = routerTracker.getServices();
+        if (routers != null) {
+            for (Object router : routers)
+                routeService.registerRouter((Router) router);
         }
 
         // have a service listener to implement the whiteboard pattern