[Enhance] JSON string convert to dynamic

Author: Chung, Chun-Yi

IsTo.Tests/IsTo.Tests.csproj

@@ -83,6 +83,7 @@
     <Compile Include="To\ToOfGenericToDateTime.cs" />
     <Compile Include="To\ToOfGenericToDecimal.cs" />
     <Compile Include="To\ToOfGenericToDouble.cs" />
+    <Compile Include="To\ToOfGenericToDynamic.cs" />
     <Compile Include="To\ToOfGenericToEnum.cs" />
     <Compile Include="To\ToOfGenericToInt16.cs" />
     <Compile Include="To\ToOfGenericToInt32.cs" />

IsTo.Tests/To/ToOfGenericToDynamic.cs

@@ -0,0 +1,31 @@
+// Copyright (c) kuicker.org. All rights reserved.
+// Modified By      YYYY-MM-DD
+// kevinjong        2016-03-08 - Creation
+
+using System;
+using System.Collections.Generic;
+using Xunit;
+
+namespace IsTo.Tests
+{
+	public class ToOfGenericToDynamic
+	{
+		[Fact]
+		public void ByString()
+		{
+			var value = @"
+{
+	""A"": ""abc"",
+	""B"": 123
+}
+";
+			var result = value.To<dynamic>();
+			var date = new DateTime(2016, 3, 8);
+			result.C = date;
+
+			Assert.True(result.A == "abc");
+			Assert.True(result.B == 123);
+			Assert.True(result.C == date);
+		}
+	}
+}

IsTo/To/ToExtender.cs

@@ -7,6 +7,7 @@
 using System.Linq;
 using System.Drawing;
 using System.IO;
+using Newtonsoft.Json;
 
 namespace IsTo
 {
@@ -31,9 +32,7 @@ public static T To<T>(
 			string format)
 		{
 			T result;
-			if(value.TryTo<T>(
-				out result,
-				format)) {
+			if(value.TryTo<T>(out result, format)) {
 				return result;
 			} else {
 				return airbag;
@@ -48,6 +47,18 @@ public static bool TryTo<T>(
 			result = default(T);
 			if(null == value) { return false; }
 
+			var str = value.ToString();
+			if(value.Is<string>() && IsJson(str)) {
+				var t = typeof(T);
+				if(!t.IsPrimitive && !t.Is<byte[]>()) {
+					try {
+						result = JsonConvert
+							.DeserializeObject<T>(str);
+						return true;
+					} catch(Exception ex) { }
+				}
+			}
+
 			if(value.Is<T>()) {
 				try {
 					result = (T)value;
@@ -56,10 +67,7 @@ public static bool TryTo<T>(
 			}
 
 			object val;
-			if(TryTo(
-				value,
-				typeof(T),
-				out val, format)) {
+			if(TryTo(value, typeof(T), out val, format)) {
 				try {
 					result = (T)val;
 					return true;
@@ -69,15 +77,13 @@ public static bool TryTo<T>(
 			return false;
 		}
 
-
 		public static object To(
 			this object value,
 			Type type)
 		{
 			return value.To(type, string.Empty);
 		}
 
-
 		public static object To(
 			this object value,
 			Type type,
@@ -132,9 +138,6 @@ private static bool TryTo(
 							out result,
 							format
 						);
-
-
-
 					case TypeCategory.Enum:
 						return TryFromEnum(
 							value,
@@ -159,7 +162,6 @@ private static bool TryTo(
 							out result,
 							format
 						);
-
 					case TypeCategory.Stream:
 						return TryFromStream(
 							value as Stream,
@@ -313,13 +315,7 @@ private static bool TryTo(
 							format
 						);
 					case TypeCategory.Struct:
-						return TryFromStruct(
-							value,
-							from,
-							to,
-							out result,
-							format
-						);
+						return TryFromStruct(value, from, to, out result, format);
 					case TypeCategory.Null:
 						return false;
 					case TypeCategory.Others: