Added backend

gswi/JSONConverter/JsonCreationConverter.cs

@@ -0,0 +1,54 @@
+using System;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using NLog;
+
+namespace gswi.JSONConverter
+{
+    public abstract class JsonCreationConverter<T> : JsonConverter
+    {
+        static Logger _logger = LogManager.GetCurrentClassLogger();
+
+        protected abstract T Create(Type objectType, JObject jObject);
+
+        public override bool CanConvert(Type objectType)
+        {
+            return typeof(T).IsAssignableFrom(objectType);
+        }
+
+        public override bool CanWrite
+        {
+            get { return false; }
+        }
+
+        public override object ReadJson(JsonReader reader,
+                                        Type objectType,
+                                         object existingValue,
+                                         JsonSerializer serializer)
+        {
+            try
+            {
+                // Load JObject from stream
+                JObject jObject = JObject.Load(reader);
+
+                // Create target object based on JObject
+                T target = Create(objectType, jObject);
+
+                // Populate the object properties
+                serializer.Populate(jObject.CreateReader(), target);
+
+                return target;
+            }
+            catch (Exception e)
+            {
+                _logger.Error(e);
+                return null;
+            }
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+
+        }
+    }
+}