using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

namespace SP.Studio.Json

{

    /// <summary>

    /// Json操作类

    /// Author:Jacky

    /// </summary>

    public static class JsonAgent

    {

        /// <summary>

        /// 把json格式的单一对象转换成为哈希表

        /// </summary>

        public static Hashtable GetJObject(string json)

        {

            Hashtable ht = new Hashtable();

            try

            {

                JObject obj = (JObject)JsonConvert.DeserializeObject(json);

                foreach (KeyValuePair<string, JToken> keyValue in obj)

                {

                    ht.Add(keyValue.Key, keyValue.Value);

                }

            }

            catch (Exception ex)

            {

                ht.Add("Exception", ex.Message);

            }

            return ht;

        }

        /// <summary>

        /// 把一个json数组对象转化成为hashlist

        /// </summary>

        public static Hashtable[] GetJList(string json)

        {

            Hashtable[] list;

            try

            {

                JArray obj = (JArray)JsonConvert.DeserializeObject(json);

                list = new Hashtable[obj.Count];

                for (int i = 0; i < list.Length; i++)

                {

                    list[i] = new Hashtable();

                    foreach (KeyValuePair<string, JToken> keyValue in (JObject)obj[i])

                    {

                        list[i].Add(keyValue.Key, keyValue.Value);

                    }

                }

            }

            catch (Exception ex)

            {

                list = null;

            }

            return list;

        }

        /// <summary>

        /// 将Json字符串转化为实体对象

        /// </summary>

        /// <typeparam name="T"></typeparam>

        /// <param name="json"></param>

        /// <returns></returns>

        public static T DeserializeObject<T>(string json)

        {

            return JsonConvert.DeserializeObject<T>(json);

        }

    }

}