﻿//
//  JSONExtensons.cs
//
//  Author:
//       Todd Henderson <todd@todd-henderson.me>
//
//  Copyright (c) 2015-2016 Todd Henderson
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//   
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//   
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
using System;
using Newtonsoft.Json.Linq;


namespace SocketClusterSharp.Helpers
{
	/// <summary>
	/// Helpers for working with JSON data.
	/// </summary>
	public static class JsonHelpers
	{
		/// <summary>
		/// Determines if is null or empty the specified token.
		/// </summary>
		/// <returns><c>true</c> if is null or empty the specified token; otherwise, <c>false</c>.</returns>
		/// <param name="token">Token.</param>
		public static bool IsNullOrEmpty (this JToken token)
		{
			return (token == null) ||
			(token.Type == JTokenType.Array && !token.HasValues) ||
			(token.Type == JTokenType.Object && !token.HasValues) ||
			(token.Type == JTokenType.String && token.ToString () == String.Empty) ||
			(token.Type == JTokenType.Null);
		}
	}
}


