117 lines
4.5 KiB
C#
117 lines
4.5 KiB
C#
#region License
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// Copyright (c) 2007 James Newton-King
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using LC.Newtonsoft.Json.Utilities;
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using System.Collections;
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#if !HAVE_LINQ
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using LC.Newtonsoft.Json.Utilities.LinqBridge;
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#else
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using System.Linq;
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#endif
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namespace LC.Newtonsoft.Json.Serialization
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{
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/// <summary>
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/// Contract details for a <see cref="System.Type"/> used by the <see cref="JsonSerializer"/>.
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/// </summary>
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public class JsonContainerContract : JsonContract
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{
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private JsonContract? _itemContract;
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private JsonContract? _finalItemContract;
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// will be null for containers that don't have an item type (e.g. IList) or for complex objects
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internal JsonContract? ItemContract
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{
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get => _itemContract;
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set
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{
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_itemContract = value;
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if (_itemContract != null)
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{
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_finalItemContract = (_itemContract.UnderlyingType.IsSealed()) ? _itemContract : null;
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}
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else
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{
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_finalItemContract = null;
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}
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}
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}
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// the final (i.e. can't be inherited from like a sealed class or valuetype) item contract
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internal JsonContract? FinalItemContract => _finalItemContract;
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/// <summary>
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/// Gets or sets the default collection items <see cref="JsonConverter" />.
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/// </summary>
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/// <value>The converter.</value>
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public JsonConverter? ItemConverter { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether the collection items preserve object references.
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/// </summary>
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/// <value><c>true</c> if collection items preserve object references; otherwise, <c>false</c>.</value>
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public bool? ItemIsReference { get; set; }
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/// <summary>
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/// Gets or sets the collection item reference loop handling.
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/// </summary>
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/// <value>The reference loop handling.</value>
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public ReferenceLoopHandling? ItemReferenceLoopHandling { get; set; }
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/// <summary>
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/// Gets or sets the collection item type name handling.
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/// </summary>
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/// <value>The type name handling.</value>
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public TypeNameHandling? ItemTypeNameHandling { get; set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="JsonContainerContract"/> class.
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/// </summary>
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/// <param name="underlyingType">The underlying type for the contract.</param>
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internal JsonContainerContract(Type underlyingType)
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: base(underlyingType)
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{
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JsonContainerAttribute? jsonContainerAttribute = JsonTypeReflector.GetCachedAttribute<JsonContainerAttribute>(underlyingType);
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if (jsonContainerAttribute != null)
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{
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if (jsonContainerAttribute.ItemConverterType != null)
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{
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ItemConverter = JsonTypeReflector.CreateJsonConverterInstance(
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jsonContainerAttribute.ItemConverterType,
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jsonContainerAttribute.ItemConverterParameters);
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}
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ItemIsReference = jsonContainerAttribute._itemIsReference;
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ItemReferenceLoopHandling = jsonContainerAttribute._itemReferenceLoopHandling;
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ItemTypeNameHandling = jsonContainerAttribute._itemTypeNameHandling;
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}
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}
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}
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} |