From 4efc398fd392d0bc8e333043928857e1bb2b1fc7 Mon Sep 17 00:00:00 2001
From: "kapil.joshi" <kapilj@xanthus.in>
Date: Sun, 25 Jan 2026 13:59:03 +0530
Subject: [PATCH] provision made to add Xml namespace in swagger from Data
 Contract attribute

---
 src/SwaggerWcf/Models/DefinitionSchema.cs    | 16 ++++++++++++++++
 src/SwaggerWcf/Support/DefinitionsBuilder.cs |  5 +++++
 2 files changed, 21 insertions(+)

diff --git a/src/SwaggerWcf/Models/DefinitionSchema.cs b/src/SwaggerWcf/Models/DefinitionSchema.cs
index a1e9d15..b270f5c 100644
--- a/src/SwaggerWcf/Models/DefinitionSchema.cs
+++ b/src/SwaggerWcf/Models/DefinitionSchema.cs
@@ -24,6 +24,8 @@ internal class DefinitionSchema
 
         public List<int> Enum { get; set; }
 
+        public string XmlFormatNamespace { get; set; }
+
         public void Serialize(JsonWriter writer)
         {
             if (TypeFormat.Type == ParameterType.Object)
@@ -54,6 +56,8 @@ public void Serialize(JsonWriter writer)
 
                 SerializeProperties(writer);
 
+                SerializeXmlNamespace(writer);
+
                 if (ParentSchema != null)
                 {
                     writer.WriteEndObject();
@@ -136,5 +140,17 @@ private void SerializeProperties(JsonWriter writer)
                 writer.WriteEndObject();
             }
         }
+
+        private void SerializeXmlNamespace(JsonWriter writer)
+        {
+            if (!string.IsNullOrWhiteSpace(XmlFormatNamespace))
+            {
+                writer.WritePropertyName("xml");
+                writer.WriteStartObject();
+                writer.WritePropertyName("namespace");
+                writer.WriteValue(XmlFormatNamespace);
+                writer.WriteEndObject();
+            }
+        }
     }
 }
diff --git a/src/SwaggerWcf/Support/DefinitionsBuilder.cs b/src/SwaggerWcf/Support/DefinitionsBuilder.cs
index 7988c42..01e557c 100644
--- a/src/SwaggerWcf/Support/DefinitionsBuilder.cs
+++ b/src/SwaggerWcf/Support/DefinitionsBuilder.cs
@@ -109,6 +109,11 @@ private static void ProcessTypeAttributes(Type definitionType, DefinitionSchema
             if (descAttr != null)
                 schema.Description = descAttr.Description;
 
+            DataContractAttribute dataContractAttr =
+                definitionType.GetCustomAttribute<DataContractAttribute>();
+            if (dataContractAttr != null && !string.IsNullOrWhiteSpace(dataContractAttr.Namespace))
+                schema.XmlFormatNamespace = dataContractAttr.Namespace;
+
             SwaggerWcfDefinitionAttribute definitionAttr =
                 definitionType.GetCustomAttribute<SwaggerWcfDefinitionAttribute>();
             if (definitionAttr != null)