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src/Sdk/DTPipelines/Pipelines/ContextData/JTokenExtensions.cs

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+using System;
+using System.ComponentModel;
+using Newtonsoft.Json.Linq;
+
+namespace GitHub.DistributedTask.Pipelines.ContextData
+{
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public static class JTokenExtensions
+    {
+        public static PipelineContextData ToPipelineContextData(this JToken value)
+        {
+            return value.ToPipelineContextData(1, 100);
+        }
+
+        public static PipelineContextData ToPipelineContextData(
+            this JToken value, 
+            Int32 depth, 
+            Int32 maxDepth)
+        {
+            if (depth < maxDepth)
+            {
+                if (value.Type == JTokenType.String)
+                {
+                    return new StringContextData((String)value);
+                }
+                else if (value.Type == JTokenType.Boolean)
+                {
+                    return new BooleanContextData((Boolean)value);
+                }
+                else if (value.Type == JTokenType.Float || value.Type == JTokenType.Integer)
+                {
+                    return new NumberContextData((Double)value);
+                }
+                else if (value.Type == JTokenType.Object)
+                {
+                    var subContext = new DictionaryContextData();
+                    var obj = (JObject)value;
+                    foreach (var property in obj.Properties())
+                    {
+                        subContext[property.Name] = ToPipelineContextData(property.Value, depth + 1, maxDepth);
+                    }
+                    return subContext;
+                }
+                else if (value.Type == JTokenType.Array)
+                {
+                    var arrayContext = new ArrayContextData();
+                    var arr = (JArray)value;
+                    foreach (var element in arr)
+                    {
+                        arrayContext.Add(ToPipelineContextData(element, depth + 1, maxDepth));
+                    }
+                    return arrayContext;
+                }
+                else if (value.Type == JTokenType.Null)
+                {
+                    return null;
+                }
+            }
+
+            // We don't understand the type or have reached our max, return as string
+            return new StringContextData(value.ToString());
+        }
+    }
+}