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DictionaryExtender.cs

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using System;

using System.Collections;

using System.Collections.Generic;

using System.Dynamic;

namespace UnitTests

{

public static class DictionaryExtender

{

public static ExpandoObject ToExpando(this IDictionary<string, object> dictionary)

{

var expando = new ExpandoObject();

var expandoDic = (IDictionary<string, object>) expando;

foreach (var kvp in dictionary)

{

var innerDictionary = kvp.Value as IDictionary<string, object>;

if (innerDictionary != null)

{

var expandoValue = innerDictionary.ToExpando();

expandoDic.Add(kvp.Key, expandoValue);

}

else

{

var innerCollection = kvp.Value as ICollection;

if (innerCollection != null)

{

var itemList = new List<object>();

foreach (var item in innerCollection)

{

var nestedDictionary = item as IDictionary<string, object>;

if (nestedDictionary != null)

{

var expandoItem = nestedDictionary.ToExpando();

itemList.Add(expandoItem);

}

else

{

itemList.Add(item);

}

}

expandoDic.Add(kvp.Key, itemList);

}

else

{

expandoDic.Add(kvp);

}

}

}

return expando;

}

}

}