73 lines
2.6 KiB
C#
73 lines
2.6 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Buffers;
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using System.Globalization;
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using System.IO;
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using Microsoft.AspNetCore.Html;
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using Microsoft.AspNetCore.Mvc.Formatters;
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using Microsoft.AspNetCore.Mvc.Rendering;
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using Newtonsoft.Json;
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namespace Microsoft.AspNetCore.Mvc.ViewFeatures
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{
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/// <summary>
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/// Default implementation of <see cref="IJsonHelper"/>.
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/// </summary>
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public class JsonHelper : IJsonHelper
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{
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private readonly JsonOutputFormatter _jsonOutputFormatter;
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private readonly ArrayPool<char> _charPool;
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/// <summary>
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/// Initializes a new instance of <see cref="JsonHelper"/> that is backed by <paramref name="jsonOutputFormatter"/>.
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/// </summary>
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/// <param name="jsonOutputFormatter">The <see cref="JsonOutputFormatter"/> used to serialize JSON.</param>
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/// <param name="charPool">
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/// The <see cref="ArrayPool{Char}"/> for use with custom <see cref="JsonSerializerSettings"/> (see
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/// <see cref="Serialize(object, JsonSerializerSettings)"/>).
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/// </param>
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public JsonHelper(JsonOutputFormatter jsonOutputFormatter, ArrayPool<char> charPool)
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{
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if (jsonOutputFormatter == null)
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{
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throw new ArgumentNullException(nameof(jsonOutputFormatter));
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}
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if (charPool == null)
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{
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throw new ArgumentNullException(nameof(charPool));
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}
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_jsonOutputFormatter = jsonOutputFormatter;
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_charPool = charPool;
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}
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/// <inheritdoc />
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public IHtmlContent Serialize(object value)
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{
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return SerializeInternal(_jsonOutputFormatter, value);
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}
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/// <inheritdoc />
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public IHtmlContent Serialize(object value, JsonSerializerSettings serializerSettings)
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{
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if (serializerSettings == null)
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{
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throw new ArgumentNullException(nameof(serializerSettings));
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}
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var jsonOutputFormatter = new JsonOutputFormatter(serializerSettings, _charPool);
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return SerializeInternal(jsonOutputFormatter, value);
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}
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private IHtmlContent SerializeInternal(JsonOutputFormatter jsonOutputFormatter, object value)
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{
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var stringWriter = new StringWriter(CultureInfo.InvariantCulture);
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jsonOutputFormatter.WriteObject(stringWriter, value);
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return new HtmlString(stringWriter.ToString());
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}
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}
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} |