455 lines
20 KiB
C#
455 lines
20 KiB
C#
#region License
|
|
// Copyright (c) 2007 James Newton-King
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person
|
|
// obtaining a copy of this software and associated documentation
|
|
// files (the "Software"), to deal in the Software without
|
|
// restriction, including without limitation the rights to use,
|
|
// copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the
|
|
// Software is furnished to do so, subject to the following
|
|
// conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be
|
|
// included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
// OTHER DEALINGS IN THE SOFTWARE.
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Runtime.Serialization.Formatters;
|
|
using Newtonsoft.Json.Serialization;
|
|
using System.Runtime.Serialization;
|
|
using System.Diagnostics;
|
|
|
|
namespace Newtonsoft.Json
|
|
{
|
|
/// <summary>
|
|
/// Specifies the settings on a <see cref="JsonSerializer"/> object.
|
|
/// </summary>
|
|
public class JsonSerializerSettings
|
|
{
|
|
internal const ReferenceLoopHandling DefaultReferenceLoopHandling = ReferenceLoopHandling.Error;
|
|
internal const MissingMemberHandling DefaultMissingMemberHandling = MissingMemberHandling.Ignore;
|
|
internal const NullValueHandling DefaultNullValueHandling = NullValueHandling.Include;
|
|
internal const DefaultValueHandling DefaultDefaultValueHandling = DefaultValueHandling.Include;
|
|
internal const ObjectCreationHandling DefaultObjectCreationHandling = ObjectCreationHandling.Auto;
|
|
internal const PreserveReferencesHandling DefaultPreserveReferencesHandling = PreserveReferencesHandling.None;
|
|
internal const ConstructorHandling DefaultConstructorHandling = ConstructorHandling.Default;
|
|
internal const TypeNameHandling DefaultTypeNameHandling = TypeNameHandling.None;
|
|
internal const MetadataPropertyHandling DefaultMetadataPropertyHandling = MetadataPropertyHandling.Default;
|
|
internal static readonly StreamingContext DefaultContext;
|
|
|
|
internal const Formatting DefaultFormatting = Formatting.None;
|
|
internal const DateFormatHandling DefaultDateFormatHandling = DateFormatHandling.IsoDateFormat;
|
|
internal const DateTimeZoneHandling DefaultDateTimeZoneHandling = DateTimeZoneHandling.RoundtripKind;
|
|
internal const DateParseHandling DefaultDateParseHandling = DateParseHandling.DateTime;
|
|
internal const FloatParseHandling DefaultFloatParseHandling = FloatParseHandling.Double;
|
|
internal const FloatFormatHandling DefaultFloatFormatHandling = FloatFormatHandling.String;
|
|
internal const StringEscapeHandling DefaultStringEscapeHandling = StringEscapeHandling.Default;
|
|
internal const TypeNameAssemblyFormatHandling DefaultTypeNameAssemblyFormatHandling = TypeNameAssemblyFormatHandling.Simple;
|
|
internal static readonly CultureInfo DefaultCulture;
|
|
internal const bool DefaultCheckAdditionalContent = false;
|
|
internal const string DefaultDateFormatString = @"yyyy'-'MM'-'dd'T'HH':'mm':'ss.FFFFFFFK";
|
|
|
|
internal Formatting? _formatting;
|
|
internal DateFormatHandling? _dateFormatHandling;
|
|
internal DateTimeZoneHandling? _dateTimeZoneHandling;
|
|
internal DateParseHandling? _dateParseHandling;
|
|
internal FloatFormatHandling? _floatFormatHandling;
|
|
internal FloatParseHandling? _floatParseHandling;
|
|
internal StringEscapeHandling? _stringEscapeHandling;
|
|
internal CultureInfo _culture;
|
|
internal bool? _checkAdditionalContent;
|
|
internal int? _maxDepth;
|
|
internal bool _maxDepthSet;
|
|
internal string _dateFormatString;
|
|
internal bool _dateFormatStringSet;
|
|
internal TypeNameAssemblyFormatHandling? _typeNameAssemblyFormatHandling;
|
|
internal DefaultValueHandling? _defaultValueHandling;
|
|
internal PreserveReferencesHandling? _preserveReferencesHandling;
|
|
internal NullValueHandling? _nullValueHandling;
|
|
internal ObjectCreationHandling? _objectCreationHandling;
|
|
internal MissingMemberHandling? _missingMemberHandling;
|
|
internal ReferenceLoopHandling? _referenceLoopHandling;
|
|
internal StreamingContext? _context;
|
|
internal ConstructorHandling? _constructorHandling;
|
|
internal TypeNameHandling? _typeNameHandling;
|
|
internal MetadataPropertyHandling? _metadataPropertyHandling;
|
|
|
|
/// <summary>
|
|
/// Gets or sets how reference loops (e.g. a class referencing itself) are handled.
|
|
/// The default value is <see cref="Json.ReferenceLoopHandling.Error" />.
|
|
/// </summary>
|
|
/// <value>Reference loop handling.</value>
|
|
public ReferenceLoopHandling ReferenceLoopHandling
|
|
{
|
|
get => _referenceLoopHandling ?? DefaultReferenceLoopHandling;
|
|
set => _referenceLoopHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how missing members (e.g. JSON contains a property that isn't a member on the object) are handled during deserialization.
|
|
/// The default value is <see cref="Json.MissingMemberHandling.Ignore" />.
|
|
/// </summary>
|
|
/// <value>Missing member handling.</value>
|
|
public MissingMemberHandling MissingMemberHandling
|
|
{
|
|
get => _missingMemberHandling ?? DefaultMissingMemberHandling;
|
|
set => _missingMemberHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how objects are created during deserialization.
|
|
/// The default value is <see cref="Json.ObjectCreationHandling.Auto" />.
|
|
/// </summary>
|
|
/// <value>The object creation handling.</value>
|
|
public ObjectCreationHandling ObjectCreationHandling
|
|
{
|
|
get => _objectCreationHandling ?? DefaultObjectCreationHandling;
|
|
set => _objectCreationHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how null values are handled during serialization and deserialization.
|
|
/// The default value is <see cref="Json.NullValueHandling.Include" />.
|
|
/// </summary>
|
|
/// <value>Null value handling.</value>
|
|
public NullValueHandling NullValueHandling
|
|
{
|
|
get => _nullValueHandling ?? DefaultNullValueHandling;
|
|
set => _nullValueHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how default values are handled during serialization and deserialization.
|
|
/// The default value is <see cref="Json.DefaultValueHandling.Include" />.
|
|
/// </summary>
|
|
/// <value>The default value handling.</value>
|
|
public DefaultValueHandling DefaultValueHandling
|
|
{
|
|
get => _defaultValueHandling ?? DefaultDefaultValueHandling;
|
|
set => _defaultValueHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets a <see cref="JsonConverter"/> collection that will be used during serialization.
|
|
/// </summary>
|
|
/// <value>The converters.</value>
|
|
public IList<JsonConverter> Converters { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets how object references are preserved by the serializer.
|
|
/// The default value is <see cref="Json.PreserveReferencesHandling.None" />.
|
|
/// </summary>
|
|
/// <value>The preserve references handling.</value>
|
|
public PreserveReferencesHandling PreserveReferencesHandling
|
|
{
|
|
get => _preserveReferencesHandling ?? DefaultPreserveReferencesHandling;
|
|
set => _preserveReferencesHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how type name writing and reading is handled by the serializer.
|
|
/// The default value is <see cref="Json.TypeNameHandling.None" />.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// <see cref="JsonSerializerSettings.TypeNameHandling"/> should be used with caution when your application deserializes JSON from an external source.
|
|
/// Incoming types should be validated with a custom <see cref="JsonSerializerSettings.SerializationBinder"/>
|
|
/// when deserializing with a value other than <see cref="Json.TypeNameHandling.None"/>.
|
|
/// </remarks>
|
|
/// <value>The type name handling.</value>
|
|
public TypeNameHandling TypeNameHandling
|
|
{
|
|
get => _typeNameHandling ?? DefaultTypeNameHandling;
|
|
set => _typeNameHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how metadata properties are used during deserialization.
|
|
/// The default value is <see cref="Json.MetadataPropertyHandling.Default" />.
|
|
/// </summary>
|
|
/// <value>The metadata properties handling.</value>
|
|
public MetadataPropertyHandling MetadataPropertyHandling
|
|
{
|
|
get => _metadataPropertyHandling ?? DefaultMetadataPropertyHandling;
|
|
set => _metadataPropertyHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how a type name assembly is written and resolved by the serializer.
|
|
/// The default value is <see cref="FormatterAssemblyStyle.Simple" />.
|
|
/// </summary>
|
|
/// <value>The type name assembly format.</value>
|
|
[Obsolete("TypeNameAssemblyFormat is obsolete. Use TypeNameAssemblyFormatHandling instead.")]
|
|
public FormatterAssemblyStyle TypeNameAssemblyFormat
|
|
{
|
|
get => (FormatterAssemblyStyle)TypeNameAssemblyFormatHandling;
|
|
set => TypeNameAssemblyFormatHandling = (TypeNameAssemblyFormatHandling)value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how a type name assembly is written and resolved by the serializer.
|
|
/// The default value is <see cref="Json.TypeNameAssemblyFormatHandling.Simple" />.
|
|
/// </summary>
|
|
/// <value>The type name assembly format.</value>
|
|
public TypeNameAssemblyFormatHandling TypeNameAssemblyFormatHandling
|
|
{
|
|
get => _typeNameAssemblyFormatHandling ?? DefaultTypeNameAssemblyFormatHandling;
|
|
set => _typeNameAssemblyFormatHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how constructors are used during deserialization.
|
|
/// The default value is <see cref="Json.ConstructorHandling.Default" />.
|
|
/// </summary>
|
|
/// <value>The constructor handling.</value>
|
|
public ConstructorHandling ConstructorHandling
|
|
{
|
|
get => _constructorHandling ?? DefaultConstructorHandling;
|
|
set => _constructorHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the contract resolver used by the serializer when
|
|
/// serializing .NET objects to JSON and vice versa.
|
|
/// </summary>
|
|
/// <value>The contract resolver.</value>
|
|
public IContractResolver ContractResolver { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets the equality comparer used by the serializer when comparing references.
|
|
/// </summary>
|
|
/// <value>The equality comparer.</value>
|
|
public IEqualityComparer EqualityComparer { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets the <see cref="IReferenceResolver"/> used by the serializer when resolving references.
|
|
/// </summary>
|
|
/// <value>The reference resolver.</value>
|
|
[Obsolete("ReferenceResolver property is obsolete. Use the ReferenceResolverProvider property to set the IReferenceResolver: settings.ReferenceResolverProvider = () => resolver")]
|
|
public IReferenceResolver ReferenceResolver
|
|
{
|
|
get => ReferenceResolverProvider?.Invoke();
|
|
set
|
|
{
|
|
ReferenceResolverProvider = (value != null)
|
|
? () => value
|
|
: (Func<IReferenceResolver>)null;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets a function that creates the <see cref="IReferenceResolver"/> used by the serializer when resolving references.
|
|
/// </summary>
|
|
/// <value>A function that creates the <see cref="IReferenceResolver"/> used by the serializer when resolving references.</value>
|
|
public Func<IReferenceResolver> ReferenceResolverProvider { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets the <see cref="ITraceWriter"/> used by the serializer when writing trace messages.
|
|
/// </summary>
|
|
/// <value>The trace writer.</value>
|
|
public ITraceWriter TraceWriter { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets the <see cref="SerializationBinder"/> used by the serializer when resolving type names.
|
|
/// </summary>
|
|
/// <value>The binder.</value>
|
|
[Obsolete("Binder is obsolete. Use SerializationBinder instead.")]
|
|
public SerializationBinder Binder
|
|
{
|
|
get
|
|
{
|
|
if (SerializationBinder == null)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
if (SerializationBinder is SerializationBinderAdapter adapter)
|
|
{
|
|
return adapter.SerializationBinder;
|
|
}
|
|
|
|
throw new InvalidOperationException("Cannot get SerializationBinder because an ISerializationBinder was previously set.");
|
|
}
|
|
set => SerializationBinder = value == null ? null : new SerializationBinderAdapter(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the <see cref="ISerializationBinder"/> used by the serializer when resolving type names.
|
|
/// </summary>
|
|
/// <value>The binder.</value>
|
|
public ISerializationBinder SerializationBinder { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets the error handler called during serialization and deserialization.
|
|
/// </summary>
|
|
/// <value>The error handler called during serialization and deserialization.</value>
|
|
public EventHandler<ErrorEventArgs> Error { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets the <see cref="StreamingContext"/> used by the serializer when invoking serialization callback methods.
|
|
/// </summary>
|
|
/// <value>The context.</value>
|
|
public StreamingContext Context
|
|
{
|
|
get => _context ?? DefaultContext;
|
|
set => _context = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how <see cref="DateTime"/> and <see cref="DateTimeOffset"/> values are formatted when writing JSON text,
|
|
/// and the expected date format when reading JSON text.
|
|
/// The default value is <c>"yyyy'-'MM'-'dd'T'HH':'mm':'ss.FFFFFFFK"</c>.
|
|
/// </summary>
|
|
public string DateFormatString
|
|
{
|
|
get => _dateFormatString ?? DefaultDateFormatString;
|
|
set
|
|
{
|
|
_dateFormatString = value;
|
|
_dateFormatStringSet = true;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the maximum depth allowed when reading JSON. Reading past this depth will throw a <see cref="JsonReaderException"/>.
|
|
/// A null value means there is no maximum.
|
|
/// The default value is <c>null</c>.
|
|
/// </summary>
|
|
public int? MaxDepth
|
|
{
|
|
get => _maxDepth;
|
|
set
|
|
{
|
|
if (value <= 0)
|
|
{
|
|
throw new ArgumentException("Value must be positive.", nameof(value));
|
|
}
|
|
|
|
_maxDepth = value;
|
|
_maxDepthSet = true;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Indicates how JSON text output is formatted.
|
|
/// The default value is <see cref="Json.Formatting.None" />.
|
|
/// </summary>
|
|
public Formatting Formatting
|
|
{
|
|
get => _formatting ?? DefaultFormatting;
|
|
set => _formatting = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how dates are written to JSON text.
|
|
/// The default value is <see cref="Json.DateFormatHandling.IsoDateFormat" />.
|
|
/// </summary>
|
|
public DateFormatHandling DateFormatHandling
|
|
{
|
|
get => _dateFormatHandling ?? DefaultDateFormatHandling;
|
|
set => _dateFormatHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how <see cref="DateTime"/> time zones are handled during serialization and deserialization.
|
|
/// The default value is <see cref="Json.DateTimeZoneHandling.RoundtripKind" />.
|
|
/// </summary>
|
|
public DateTimeZoneHandling DateTimeZoneHandling
|
|
{
|
|
get => _dateTimeZoneHandling ?? DefaultDateTimeZoneHandling;
|
|
set => _dateTimeZoneHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how date formatted strings, e.g. <c>"\/Date(1198908717056)\/"</c> and <c>"2012-03-21T05:40Z"</c>, are parsed when reading JSON.
|
|
/// The default value is <see cref="Json.DateParseHandling.DateTime" />.
|
|
/// </summary>
|
|
public DateParseHandling DateParseHandling
|
|
{
|
|
get => _dateParseHandling ?? DefaultDateParseHandling;
|
|
set => _dateParseHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how special floating point numbers, e.g. <see cref="Double.NaN"/>,
|
|
/// <see cref="Double.PositiveInfinity"/> and <see cref="Double.NegativeInfinity"/>,
|
|
/// are written as JSON.
|
|
/// The default value is <see cref="Json.FloatFormatHandling.String" />.
|
|
/// </summary>
|
|
public FloatFormatHandling FloatFormatHandling
|
|
{
|
|
get => _floatFormatHandling ?? DefaultFloatFormatHandling;
|
|
set => _floatFormatHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how floating point numbers, e.g. 1.0 and 9.9, are parsed when reading JSON text.
|
|
/// The default value is <see cref="Json.FloatParseHandling.Double" />.
|
|
/// </summary>
|
|
public FloatParseHandling FloatParseHandling
|
|
{
|
|
get => _floatParseHandling ?? DefaultFloatParseHandling;
|
|
set => _floatParseHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets how strings are escaped when writing JSON text.
|
|
/// The default value is <see cref="Json.StringEscapeHandling.Default" />.
|
|
/// </summary>
|
|
public StringEscapeHandling StringEscapeHandling
|
|
{
|
|
get => _stringEscapeHandling ?? DefaultStringEscapeHandling;
|
|
set => _stringEscapeHandling = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the culture used when reading JSON.
|
|
/// The default value is <see cref="CultureInfo.InvariantCulture"/>.
|
|
/// </summary>
|
|
public CultureInfo Culture
|
|
{
|
|
get => _culture ?? DefaultCulture;
|
|
set => _culture = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a value indicating whether there will be a check for additional content after deserializing an object.
|
|
/// The default value is <c>false</c>.
|
|
/// </summary>
|
|
/// <value>
|
|
/// <c>true</c> if there will be a check for additional content after deserializing an object; otherwise, <c>false</c>.
|
|
/// </value>
|
|
public bool CheckAdditionalContent
|
|
{
|
|
get => _checkAdditionalContent ?? DefaultCheckAdditionalContent;
|
|
set => _checkAdditionalContent = value;
|
|
}
|
|
|
|
static JsonSerializerSettings()
|
|
{
|
|
DefaultContext = new StreamingContext();
|
|
DefaultCulture = CultureInfo.InvariantCulture;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="JsonSerializerSettings"/> class.
|
|
/// </summary>
|
|
[DebuggerStepThrough]
|
|
public JsonSerializerSettings()
|
|
{
|
|
Converters = new List<JsonConverter>();
|
|
}
|
|
}
|
|
} |