Explicit null checks to avoid it trickling down into code where it's …

…harder to tell.
MightyPirates · Jun 25, 2016 · 9a3fd0f · 9a3fd0f
1 parent 422592d
commit 9a3fd0f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/main/scala/li/cil/oc/server/network/Network.scala b/src/main/scala/li/cil/oc/server/network/Network.scala
@@ -72,6 +72,9 @@ private class Network private(private val data: mutable.Map[String, Network.Vert
   // ----------------------------------------------------------------------- //
 
   def connect(nodeA: MutableNode, nodeB: MutableNode) = {
+    if (nodeA == null) throw new NullPointerException("nodeA")
+    if (nodeB == null) throw new NullPointerException("nodeB")
+
     if (nodeA == nodeB) throw new IllegalArgumentException(
       "Cannot connect a node to itself.")