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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Text;
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namespace JwKdsV.Core.Utils
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{
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public static class ObjectUtils
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{
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//要复制的实例必须可序列化,包括实例引用的其它实例都必须在类定义时加[Serializable]特性。
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public static T Copy<T>(T source)
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{
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if (!typeof(T).IsSerializable)
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{
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throw new ArgumentException("The type must be serializable." , "source");
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}
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// Don't serialize a null object, simply return the default for that object
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if (Object.ReferenceEquals(source , null))
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{
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return default(T);
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}
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IFormatter formatter = new BinaryFormatter();
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Stream stream = new MemoryStream();
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using (stream)
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{
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formatter.Serialize(stream , source);
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stream.Seek(0 , SeekOrigin.Begin);
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return (T)formatter.Deserialize(stream);
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}
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}
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public static void CopyTo(this object S , object T)
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{
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foreach (var pS in S.GetType().GetProperties())
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{
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foreach (var pT in T.GetType().GetProperties())
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{
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if (pT.Name != pS.Name) continue;
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(pT.GetSetMethod()).Invoke(T , new object[]{ pS.GetGetMethod().Invoke( S, null ) });
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}
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};
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}
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public static T CloneJson<T>(this T source)
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{
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// Don't serialize a null object, simply return the default for that object
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if (Object.ReferenceEquals(source , null))
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{
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return default(T);
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}
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// initialize inner objects individually
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// for example in default constructor some list property initialized with some values,
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// but in 'source' these items are cleaned -
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// without ObjectCreationHandling.Replace default constructor values will be added to result
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var deserializeSettings = new JsonSerializerSettings { ObjectCreationHandling = ObjectCreationHandling.Replace };
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return JsonConvert.DeserializeObject<T>(JsonConvert.SerializeObject(source) , deserializeSettings);
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}
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}
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}
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