// Copyright © 2019 The CefSharp Authors. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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using System;
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using System.IO;
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using System.Runtime.Serialization.Json;
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using System.Text;
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namespace CefSharp.Web
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{
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/// <summary>
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/// Represents a JsonString that is converted to a V8 Object
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/// Used as a return type of bound methods
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/// </summary>
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public class JsonString
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{
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public string Json { get; private set; }
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/// <summary>
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/// Default constructor
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/// </summary>
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/// <param name="json">JSON string</param>
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public JsonString(string json)
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{
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if (json == null)
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{
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throw new ArgumentNullException("json");
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}
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Json = json;
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}
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/// <summary>
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/// Create a JsonString from the specfied object using the build in <see cref="DataContractJsonSerializer"/>
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/// </summary>
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/// <param name="obj">object to seriaize</param>
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/// <param name="settings">optional settings</param>
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/// <returns>If <paramref name="obj"/> is null then return nulls otherwise a JsonString.</returns>
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public static JsonString FromObject(object obj, DataContractJsonSerializerSettings settings = null)
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{
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if (obj == null)
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{
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return null;
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}
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using (var ms = new MemoryStream())
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{
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var dataContractJsonSerializer = new DataContractJsonSerializer(obj.GetType(), settings);
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dataContractJsonSerializer.WriteObject(ms, obj);
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var jsonString = Encoding.UTF8.GetString(ms.ToArray());
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if (string.IsNullOrEmpty(jsonString))
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{
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return null;
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}
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return new JsonString(jsonString);
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}
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}
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}
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}
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