From b8123fc05a65722b376059475ce4dd7e5139e040 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 27 Aug 2015 15:49:10 +0200
Subject: [client] OS Sorting: Sort "Unknown" last

---
 dozentenmodul/src/main/java/org/openslx/dozmod/thrift/Sorters.java | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'dozentenmodul/src/main/java')

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/Sorters.java b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/Sorters.java
index af5e9e9f..0065f5f1 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/Sorters.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/Sorters.java
@@ -32,6 +32,13 @@ public class Sorters {
 	public static final Comparator<OperatingSystem> osName = new Comparator<OperatingSystem>() {
 		@Override
 		public int compare(OperatingSystem o1, OperatingSystem o2) {
+			if (o1 == null) {
+				if (o2 == null)
+					return 0;
+				return 1;
+			} else if (o2 == null) {
+				return -1;
+			}
 			return FormatHelper.osName(o1).compareTo(FormatHelper.osName(o2));
 		}
 	};
-- 
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