JsonCoder.cs

using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization.Json;
using System.Text;

namespace Test.Lib
{
    /// <summary>
    /// Generic type class for json load/dump, can be persisted to file/database
    /// Easier to manipulate in the file/database than xml, etc...
    /// Useful for app config settings and the like
    /// 
    /// Example of class that would be persisted to a column in the database
    /// using System;
    /// using System.Runtime.Serialization;
    /// 
    /// namespace Test.Models
    /// {
    ///     [DataContract]
    ///     public class ConfigKeyValue
    ///     {
    ///        [DataMember]
    ///        internal string name;
    /// 
    ///        [DataMember]
    ///        internal string value;
    ///     }
    /// }
    /// 
    /// var rows = new List<ConfigKeyValue>();
    /// var json = JsonCoder<List<ConfigKeyValue>>.Dump(rows);
    /// var rowsLoad = JsonCoder<List<ConfigKeyValue>>.Load(json);
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public static class JsonCoder<T>
    {

        public static T Load(string json)
        {
            byte[] byteArray = Encoding.UTF8.GetBytes(json);

            var stream = new MemoryStream(byteArray);
            var ser = new DataContractJsonSerializer(typeof(T));
            
            return (T)ser.ReadObject(stream);
        }

        public static string Dump(T instance)
        {
            var stream = new MemoryStream();
            var ser = new DataContractJsonSerializer(typeof(T));
            ser.WriteObject(stream, instance);
            stream.Position = 0;
            var reader = new StreamReader(stream);

            return reader.ReadToEnd();
        }
    }
}