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FrameWork/SwashbuckleEx/Swashbuckle.Core/SwaggerUi/StreamExtensions.cs

@@ -0,0 +1,22 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Swashbuckle.SwaggerUi
+{
+    public static class StreamExtensions
+    {
+        public static Stream FindAndReplace(this Stream stream, IDictionary<string, string> replacements)
+        {
+            var originalText = new StreamReader(stream).ReadToEnd();
+            var outputBuilder = new StringBuilder(originalText);
+
+            foreach (var replacement in replacements)
+            {
+                outputBuilder.Replace(replacement.Key, replacement.Value);
+            }
+
+            return new MemoryStream(Encoding.UTF8.GetBytes(outputBuilder.ToString()));
+        }
+    }
+}