Use Microsoft's JsonStreamConfigurationProvider class to parse Json stream into a dictionary . (#118)

Author: kklldog

src/Winton.Extensions.Configuration.Consul/Parsers/JsonConfigurationParser.cs

@@ -3,8 +3,7 @@
 
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
-using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Configuration.Json;
 
 namespace Winton.Extensions.Configuration.Consul.Parsers
 {
@@ -14,14 +13,29 @@ namespace Winton.Extensions.Configuration.Consul.Parsers
     /// </summary>
     public sealed class JsonConfigurationParser : IConfigurationParser
     {
-        /// <inheritdoc />
+        /// <summary>
+        /// Parse the <see cref="Stream" /> into a dictionary.
+        /// </summary>
+        /// <param name="stream">The stream to parse.</param>
+        /// <returns>A dictionary representing the configuration in a flattened form.</returns>
         public IDictionary<string, string> Parse(Stream stream)
         {
-            return new ConfigurationBuilder()
-                .AddJsonStream(stream)
-                .Build()
-                .AsEnumerable()
-                .ToDictionary(pair => pair.Key, pair => pair.Value);
+            return JsonStreamParser.Parse(stream);
+        }
+
+        private sealed class JsonStreamParser : JsonStreamConfigurationProvider
+        {
+            private JsonStreamParser(JsonStreamConfigurationSource source)
+                : base(source)
+            {
+            }
+
+            internal static IDictionary<string, string> Parse(Stream stream)
+            {
+                var provider = new JsonStreamParser(new JsonStreamConfigurationSource { Stream = stream });
+                provider.Load();
+                return provider.Data;
+            }
         }
     }
 }

test/Winton.Extensions.Configuration.Consul.Test/Parsers/JsonConfigurationParserTests.cs

@@ -27,7 +27,12 @@ public sealed class Parse : JsonConfigurationParserTests
                 new object[]
                 {
                     "{\"parent\": {\"child\": \"Value\"} }",
-                    new Dictionary<string, string?> { { "parent", null }, { "parent:child", "Value" } }
+                    new Dictionary<string, string?> { { "parent:child", "Value" } }
+                },
+                new object[]
+                {
+                    "{\"server\": {\"ip\": \"192.168.0.1\", \"port\": 5000} }",
+                    new Dictionary<string, string?> { { "server:ip", "192.168.0.1" }, { "server:port", "5000" } }
                 },
                 new object[]
                 {