From e86375434e55622df30b73dd8a792dd76875b561 Mon Sep 17 00:00:00 2001
From: iMoHax <born19th@gmail.com>
Date: Wed, 2 Nov 2016 16:48:45 +0300
Subject: [PATCH] fix NPE

---
 client/src/main/java/ru/trader/view/support/NaNComparator.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/client/src/main/java/ru/trader/view/support/NaNComparator.java b/client/src/main/java/ru/trader/view/support/NaNComparator.java
index 3ba89b0..4772fc4 100644
--- a/client/src/main/java/ru/trader/view/support/NaNComparator.java
+++ b/client/src/main/java/ru/trader/view/support/NaNComparator.java
@@ -7,6 +7,9 @@ public class NaNComparator<T extends Number> implements Comparator<T> {
 
     @Override
     public int compare(Number n1, Number n2) {
+        if (n1 == null && n2 == null) return 0;
+        if (n1 == null) return -1;
+        if (n2 == null) return 1;
         double d1 = n1.doubleValue();
         double d2 = n2.doubleValue();
         boolean isNaN1 = Double.isNaN(d1);