From 638d825fa753d929f07cb2459882f20463184373 Mon Sep 17 00:00:00 2001
From: James Cracknell <james.h.cracknell@gmail.com>
Date: Sun, 14 Apr 2024 15:55:25 -0600
Subject: [PATCH] Removed extension PropertyInfo.HasAttribute in favor of
 builtin IsDefined

---
 .../SchemaGenerator/JsonSerializerDataContractResolver.cs   | 6 +++---
 .../SchemaGenerator/PropertyInfoExtensions.cs               | 6 ------
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/JsonSerializerDataContractResolver.cs b/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/JsonSerializerDataContractResolver.cs
index 86c2255f57..4322f73f5a 100644
--- a/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/JsonSerializerDataContractResolver.cs
+++ b/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/JsonSerializerDataContractResolver.cs
@@ -166,8 +166,8 @@ private IEnumerable<DataProperty> GetDataPropertiesFor(Type objectType, out Type
                     return
                         (property.IsPubliclyReadable() || property.IsPubliclyWritable()) &&
                         !(property.GetIndexParameters().Any()) &&
-                        !(property.HasAttribute<JsonIgnoreAttribute>() && isIgnoredViaNet5Attribute) &&
-                        !(property.HasAttribute<SwaggerIgnoreAttribute>()) &&
+                        !(property.IsDefined(typeof(JsonIgnoreAttribute)) && isIgnoredViaNet5Attribute) &&
+                        !(property.IsDefined(typeof(SwaggerIgnoreAttribute))) &&
                         !(_serializerOptions.IgnoreReadOnlyProperties && !property.IsPubliclyWritable());
                 })
                 .OrderBy(property => property.DeclaringType.GetInheritanceChain().Length);
@@ -176,7 +176,7 @@ private IEnumerable<DataProperty> GetDataPropertiesFor(Type objectType, out Type
 
             foreach (var propertyInfo in applicableProperties)
             {
-                if (propertyInfo.HasAttribute<JsonExtensionDataAttribute>()
+                if (propertyInfo.IsDefined(typeof(JsonExtensionDataAttribute))
                     && propertyInfo.PropertyType.IsConstructedFrom(typeof(IDictionary<,>), out Type constructedDictionary))
                 {
                     extensionDataType = constructedDictionary.GenericTypeArguments[1];
diff --git a/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/PropertyInfoExtensions.cs b/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/PropertyInfoExtensions.cs
index 020a139247..2211e8d62a 100644
--- a/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/PropertyInfoExtensions.cs
+++ b/src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/PropertyInfoExtensions.cs
@@ -5,12 +5,6 @@ namespace Swashbuckle.AspNetCore.SwaggerGen
 {
     public static class PropertyInfoExtensions
     {
-        public static bool HasAttribute<TAttribute>(this PropertyInfo property)
-            where TAttribute : Attribute
-        {
-            return property.GetCustomAttribute<TAttribute>() != null;
-        }
-
         public static bool IsPubliclyReadable(this PropertyInfo property)
         {
             return property.GetMethod?.IsPublic == true;