From 812712a9f1ae321b63bbf2b02c2fc19bc94b6cff Mon Sep 17 00:00:00 2001
From: Eddie Chayes <35413716+eddiechayes@users.noreply.github.com>
Date: Wed, 28 Aug 2024 14:40:14 -0700
Subject: [PATCH] fix json validation for fields that are required but nullable
 (#781)

---
 .../resources/Java/libraries/okhttp-gson/pojo.mustache     | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/generator/konfig-generator-api/src/main/resources/Java/libraries/okhttp-gson/pojo.mustache b/generator/konfig-generator-api/src/main/resources/Java/libraries/okhttp-gson/pojo.mustache
index 13c2f0771..592208c05 100644
--- a/generator/konfig-generator-api/src/main/resources/Java/libraries/okhttp-gson/pojo.mustache
+++ b/generator/konfig-generator-api/src/main/resources/Java/libraries/okhttp-gson/pojo.mustache
@@ -558,7 +558,14 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
       {{^isNestedPrimitive}}
       {{#required}}
       // validate the required field `{{{baseName}}}`
+      {{#isNullable}}
+      if (!jsonObj.get("{{{baseName}}}").isJsonNull()) {
+        {{{dataType}}}.validateJsonObject(jsonObj.getAsJsonObject("{{{baseName}}}"));
+      }
+      {{/isNullable}}
+      {{^isNullable}}
       {{{dataType}}}.validateJsonObject(jsonObj.getAsJsonObject("{{{baseName}}}"));
+      {{/isNullable}}
       {{/required}}
       {{^required}}
       // validate the optional field `{{{baseName}}}`