From adb02a030f45d5680d308cfc13cb8e3a68c7e489 Mon Sep 17 00:00:00 2001
From: Jakub Malek <j.malek@findersystems.pl>
Date: Thu, 2 Jun 2016 11:18:51 +0200
Subject: [PATCH] NancyFx: - Skipping parsing nulls of nullable types

---
 .../src/main/resources/nancyfx/parameters.mustache            | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/swagger-codegen/src/main/resources/nancyfx/parameters.mustache b/modules/swagger-codegen/src/main/resources/nancyfx/parameters.mustache
index 5dfc253f313..5f336b76766 100644
--- a/modules/swagger-codegen/src/main/resources/nancyfx/parameters.mustache
+++ b/modules/swagger-codegen/src/main/resources/nancyfx/parameters.mustache
@@ -20,6 +20,10 @@ namespace {{packageName}}.{{packageContext}}.Utils
             var isNullable = default(TValue) == null;
             string value = RawValue(parameters, name);
             Preconditions.Evaluate(!string.IsNullOrEmpty(value) || isNullable, string.Format("Required parameter: '{0}' is missing", name));
+            if (value == null && isNullable)
+            {
+                return default(TValue);
+            }
             if (valueType.IsEnum || (valueUnderlyingType != null && valueUnderlyingType.IsEnum))
             {
                 return EnumValueOf<TValue>(name, value);