JsonConvert.cs :  » Development » Json.NET » Newtonsoft » Json » C# / CSharp Open Source

Home
C# / CSharp Open Source
1.2.6.4 mono .net core
2.2.6.4 mono core
3.Aspect Oriented Frameworks
4.Bloggers
5.Build Systems
6.Business Application
7.Charting Reporting Tools
8.Chat Servers
9.Code Coverage Tools
10.Content Management Systems CMS
11.CRM ERP
12.Database
13.Development
14.Email
15.Forum
16.Game
17.GIS
18.GUI
19.IDEs
20.Installers Generators
21.Inversion of Control Dependency Injection
22.Issue Tracking
23.Logging Tools
24.Message
25.Mobile
26.Network Clients
27.Network Servers
28.Office
29.PDF
30.Persistence Frameworks
31.Portals
32.Profilers
33.Project Management
34.RSS RDF
35.Rule Engines
36.Script
37.Search Engines
38.Sound Audio
39.Source Control
40.SQL Clients
41.Template Engines
42.Testing
43.UML
44.Web Frameworks
45.Web Service
46.Web Testing
47.Wiki Engines
48.Windows Presentation Foundation
49.Workflows
50.XML Parsers
C# / C Sharp
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source » Development » Json.NET 
Json.NET » Newtonsoft » Json » JsonConvert.cs
#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.IO;
using System.Globalization;
using Newtonsoft.Json.Utilities;
using System.Xml;
using Newtonsoft.Json.Converters;
using System.Text;
#if !NET20 && !SILVERLIGHT
using System.Xml.Linq;
#endif

namespace Newtonsoft.Json{
  /// <summary>
  /// Provides methods for converting between common language runtime types and JSON types.
  /// </summary>
  public static class JsonConvert
  {
    /// <summary>
    /// Represents JavaScript's boolean value true as a string. This field is read-only.
    /// </summary>
    public static readonly string True = "true";

    /// <summary>
    /// Represents JavaScript's boolean value false as a string. This field is read-only.
    /// </summary>
    public static readonly string False = "false";

    /// <summary>
    /// Represents JavaScript's null as a string. This field is read-only.
    /// </summary>
    public static readonly string Null = "null";

    /// <summary>
    /// Represents JavaScript's undefined as a string. This field is read-only.
    /// </summary>
    public static readonly string Undefined = "undefined";

    /// <summary>
    /// Represents JavaScript's positive infinity as a string. This field is read-only.
    /// </summary>
    public static readonly string PositiveInfinity = "Infinity";

    /// <summary>
    /// Represents JavaScript's negative infinity as a string. This field is read-only.
    /// </summary>
    public static readonly string NegativeInfinity = "-Infinity";

    /// <summary>
    /// Represents JavaScript's NaN as a string. This field is read-only.
    /// </summary>
    public static readonly string NaN = "NaN";

    internal static readonly long InitialJavaScriptDateTicks = 621355968000000000;

    /// <summary>
    /// Converts the <see cref="DateTime"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="DateTime"/>.</returns>
    public static string ToString(DateTime value)
    {
      using (StringWriter writer = StringUtils.CreateStringWriter(64))
      {
        WriteDateTimeString(writer, value, GetUtcOffset(value), value.Kind);
        return writer.ToString();
      }
    }

#if !PocketPC && !NET20
    /// <summary>
    /// Converts the <see cref="DateTimeOffset"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="DateTimeOffset"/>.</returns>
    public static string ToString(DateTimeOffset value)
    {
      using (StringWriter writer = StringUtils.CreateStringWriter(64))
      {
        WriteDateTimeString(writer, value.UtcDateTime, value.Offset, DateTimeKind.Local);
        return writer.ToString();
      }
    }
#endif

    private static TimeSpan GetUtcOffset(DateTime dateTime)
    {
#if SILVERLIGHT
      return TimeZoneInfo.Local.GetUtcOffset(dateTime);
#else
      return TimeZone.CurrentTimeZone.GetUtcOffset(dateTime);
#endif
    }

    internal static void WriteDateTimeString(TextWriter writer, DateTime value)
    {
      WriteDateTimeString(writer, value, GetUtcOffset(value), value.Kind);
    }

    internal static void WriteDateTimeString(TextWriter writer, DateTime value, TimeSpan offset, DateTimeKind kind)
    {
      long javaScriptTicks = ConvertDateTimeToJavaScriptTicks(value, offset);

      writer.Write(@"""\/Date(");
      writer.Write(javaScriptTicks);
      
      switch (kind)
      {
        case DateTimeKind.Local:
        case DateTimeKind.Unspecified:
          writer.Write((offset.Ticks >= 0L) ? "+" : "-");

          int absHours = Math.Abs(offset.Hours);
          if (absHours < 10)
            writer.Write(0);
          writer.Write(absHours);
          int absMinutes = Math.Abs(offset.Minutes);
          if (absMinutes < 10)
            writer.Write(0);
          writer.Write(absMinutes);
          break;
      }

      writer.Write(@")\/""");
    }

    private static long ToUniversalTicks(DateTime dateTime)
    {
      if (dateTime.Kind == DateTimeKind.Utc)
        return dateTime.Ticks;

      return ToUniversalTicks(dateTime, GetUtcOffset(dateTime));
    }

    private static long ToUniversalTicks(DateTime dateTime, TimeSpan offset)
    {
      if (dateTime.Kind == DateTimeKind.Utc)
        return dateTime.Ticks;

      long ticks = dateTime.Ticks - offset.Ticks;
      if (ticks > 3155378975999999999L)
        return 3155378975999999999L;

      if (ticks < 0L)
        return 0L;

      return ticks;
    }

    internal static long ConvertDateTimeToJavaScriptTicks(DateTime dateTime, TimeSpan offset)
    {
      long universialTicks = ToUniversalTicks(dateTime, offset);

      return UniversialTicksToJavaScriptTicks(universialTicks);
    }

    internal static long ConvertDateTimeToJavaScriptTicks(DateTime dateTime)
    {
      long universialTicks = ToUniversalTicks(dateTime);

      return UniversialTicksToJavaScriptTicks(universialTicks);
    }

    private static long UniversialTicksToJavaScriptTicks(long universialTicks)
    {
      long javaScriptTicks = (universialTicks - InitialJavaScriptDateTicks) / 10000;

      return javaScriptTicks;
    }

    internal static DateTime ConvertJavaScriptTicksToDateTime(long javaScriptTicks)
    {
      DateTime dateTime = new DateTime((javaScriptTicks * 10000) + InitialJavaScriptDateTicks, DateTimeKind.Utc);

      return dateTime;
    }

    /// <summary>
    /// Converts the <see cref="Boolean"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Boolean"/>.</returns>
    public static string ToString(bool value)
    {
      return (value) ? True : False;
    }

    /// <summary>
    /// Converts the <see cref="Char"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Char"/>.</returns>
    public static string ToString(char value)
    {
      return ToString(char.ToString(value));
    }

    /// <summary>
    /// Converts the <see cref="Enum"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Enum"/>.</returns>
    public static string ToString(Enum value)
    {
      return value.ToString("D");
    }

    /// <summary>
    /// Converts the <see cref="Int32"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Int32"/>.</returns>
    public static string ToString(int value)
    {
      return value.ToString(null, CultureInfo.InvariantCulture);
    }

    /// <summary>
    /// Converts the <see cref="Int16"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Int16"/>.</returns>
    public static string ToString(short value)
    {
      return value.ToString(null, CultureInfo.InvariantCulture);
    }

    /// <summary>
    /// Converts the <see cref="UInt16"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="UInt16"/>.</returns>
    [CLSCompliant(false)]
    public static string ToString(ushort value)
    {
      return value.ToString(null, CultureInfo.InvariantCulture);
    }

    /// <summary>
    /// Converts the <see cref="UInt32"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="UInt32"/>.</returns>
    [CLSCompliant(false)]
    public static string ToString(uint value)
    {
      return value.ToString(null, CultureInfo.InvariantCulture);
    }

    /// <summary>
    /// Converts the <see cref="Int64"/>  to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Int64"/>.</returns>
    public static string ToString(long value)
    {
      return value.ToString(null, CultureInfo.InvariantCulture);
    }

    /// <summary>
    /// Converts the <see cref="UInt64"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="UInt64"/>.</returns>
    [CLSCompliant(false)]
    public static string ToString(ulong value)
    {
      return value.ToString(null, CultureInfo.InvariantCulture);
    }

    /// <summary>
    /// Converts the <see cref="Single"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Single"/>.</returns>
    public static string ToString(float value)
    {
      return EnsureDecimalPlace(value, value.ToString("R", CultureInfo.InvariantCulture));
    }

    /// <summary>
    /// Converts the <see cref="Double"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Double"/>.</returns>
    public static string ToString(double value)
    {
      return EnsureDecimalPlace(value, value.ToString("R", CultureInfo.InvariantCulture));
    }

    private static string EnsureDecimalPlace(double value, string text)
    {
      if (double.IsNaN(value) || double.IsInfinity(value) || text.IndexOf('.') != -1 || text.IndexOf('E') != -1)
        return text;

      return text + ".0";
    }

    private static string EnsureDecimalPlace(string text)
    {
      if (text.IndexOf('.') != -1)
        return text;

      return text + ".0";
    }

    /// <summary>
    /// Converts the <see cref="Byte"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Byte"/>.</returns>
    public static string ToString(byte value)
    {
      return value.ToString(null, CultureInfo.InvariantCulture);
    }

    /// <summary>
    /// Converts the <see cref="SByte"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="SByte"/>.</returns>
    [CLSCompliant(false)]
    public static string ToString(sbyte value)
    {
      return value.ToString(null, CultureInfo.InvariantCulture);
    }

    /// <summary>
    /// Converts the <see cref="Decimal"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="SByte"/>.</returns>
    public static string ToString(decimal value)
    {
      return EnsureDecimalPlace(value.ToString(null, CultureInfo.InvariantCulture));
    }

    /// <summary>
    /// Converts the <see cref="Guid"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Guid"/>.</returns>
    public static string ToString(Guid value)
    {
      return '"' + value.ToString("D", CultureInfo.InvariantCulture) + '"';
    }

    /// <summary>
    /// Converts the <see cref="String"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="String"/>.</returns>
    public static string ToString(string value)
    {
      return ToString(value, '"');
    }

    /// <summary>
    /// Converts the <see cref="String"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <param name="delimter">The string delimiter character.</param>
    /// <returns>A JSON string representation of the <see cref="String"/>.</returns>
    public static string ToString(string value, char delimter)
    {
      return JavaScriptUtils.ToEscapedJavaScriptString(value, delimter, true);
    }

    /// <summary>
    /// Converts the <see cref="Object"/> to its JSON string representation.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>A JSON string representation of the <see cref="Object"/>.</returns>
    public static string ToString(object value)
    {
      if (value == null)
        return Null;

      IConvertible convertible = value as IConvertible;

      if (convertible != null)
      {
        switch (convertible.GetTypeCode())
        {
          case TypeCode.String:
            return ToString(convertible.ToString(CultureInfo.InvariantCulture));
          case TypeCode.Char:
            return ToString(convertible.ToChar(CultureInfo.InvariantCulture));
          case TypeCode.Boolean:
            return ToString(convertible.ToBoolean(CultureInfo.InvariantCulture));
          case TypeCode.SByte:
            return ToString(convertible.ToSByte(CultureInfo.InvariantCulture));
          case TypeCode.Int16:
            return ToString(convertible.ToInt16(CultureInfo.InvariantCulture));
          case TypeCode.UInt16:
            return ToString(convertible.ToUInt16(CultureInfo.InvariantCulture));
          case TypeCode.Int32:
            return ToString(convertible.ToInt32(CultureInfo.InvariantCulture));
          case TypeCode.Byte:
            return ToString(convertible.ToByte(CultureInfo.InvariantCulture));
          case TypeCode.UInt32:
            return ToString(convertible.ToUInt32(CultureInfo.InvariantCulture));
          case TypeCode.Int64:
            return ToString(convertible.ToInt64(CultureInfo.InvariantCulture));
          case TypeCode.UInt64:
            return ToString(convertible.ToUInt64(CultureInfo.InvariantCulture));
          case TypeCode.Single:
            return ToString(convertible.ToSingle(CultureInfo.InvariantCulture));
          case TypeCode.Double:
            return ToString(convertible.ToDouble(CultureInfo.InvariantCulture));
          case TypeCode.DateTime:
            return ToString(convertible.ToDateTime(CultureInfo.InvariantCulture));
          case TypeCode.Decimal:
            return ToString(convertible.ToDecimal(CultureInfo.InvariantCulture));
          case TypeCode.DBNull:
            return Null;
        }
      }
#if !PocketPC && !NET20
      else if (value is DateTimeOffset)
      {
        return ToString((DateTimeOffset)value);
      }
#endif

      throw new ArgumentException("Unsupported type: {0}. Use the JsonSerializer class to get the object's JSON representation.".FormatWith(CultureInfo.InvariantCulture, value.GetType()));
    }

    private static bool IsJsonPrimitiveTypeCode(TypeCode typeCode)
    {
      switch (typeCode)
      {
        case TypeCode.String:
        case TypeCode.Char:
        case TypeCode.Boolean:
        case TypeCode.SByte:
        case TypeCode.Int16:
        case TypeCode.UInt16:
        case TypeCode.Int32:
        case TypeCode.Byte:
        case TypeCode.UInt32:
        case TypeCode.Int64:
        case TypeCode.UInt64:
        case TypeCode.Single:
        case TypeCode.Double:
        case TypeCode.DateTime:
        case TypeCode.Decimal:
        case TypeCode.DBNull:
          return true;
        default:
          return false;
      }
    }

    internal static bool IsJsonPrimitiveType(Type type)
    {
      if (ReflectionUtils.IsNullableType(type))
        type = Nullable.GetUnderlyingType(type);

#if !PocketPC && !NET20
     if (type == typeof(DateTimeOffset))
        return true;
#endif
      if (type == typeof(byte[]))
        return true;

      return IsJsonPrimitiveTypeCode(Type.GetTypeCode(type));
    }

    internal static bool IsJsonPrimitive(object value)
    {
      if (value == null)
        return true;

      IConvertible convertible = value as IConvertible;

      if (convertible != null)
        return IsJsonPrimitiveTypeCode(convertible.GetTypeCode());

#if !PocketPC && !NET20
      if (value is DateTimeOffset)
        return true;
#endif

      if (value is byte[])
        return true;

      return false;
    }

    /// <summary>
    /// Serializes the specified object to a JSON string.
    /// </summary>
    /// <param name="value">The object to serialize.</param>
    /// <returns>A JSON string representation of the object.</returns>
    public static string SerializeObject(object value)
    {
      return SerializeObject(value, Formatting.None, (JsonSerializerSettings)null);
    }

    /// <summary>
    /// Serializes the specified object to a JSON string.
    /// </summary>
    /// <param name="value">The object to serialize.</param>
    /// <param name="formatting">Indicates how the output is formatted.</param>
    /// <returns>
    /// A JSON string representation of the object.
    /// </returns>
    public static string SerializeObject(object value, Formatting formatting)
    {
      return SerializeObject(value, formatting, (JsonSerializerSettings)null);
    }

    /// <summary>
    /// Serializes the specified object to a JSON string using a collection of <see cref="JsonConverter"/>.
    /// </summary>
    /// <param name="value">The object to serialize.</param>
    /// <param name="converters">A collection converters used while serializing.</param>
    /// <returns>A JSON string representation of the object.</returns>
    public static string SerializeObject(object value, params JsonConverter[] converters)
    {
      return SerializeObject(value, Formatting.None, converters);
    }

    /// <summary>
    /// Serializes the specified object to a JSON string using a collection of <see cref="JsonConverter"/>.
    /// </summary>
    /// <param name="value">The object to serialize.</param>
    /// <param name="formatting">Indicates how the output is formatted.</param>
    /// <param name="converters">A collection converters used while serializing.</param>
    /// <returns>A JSON string representation of the object.</returns>
    public static string SerializeObject(object value, Formatting formatting, params JsonConverter[] converters)
    {
      JsonSerializerSettings settings = (converters != null && converters.Length > 0)
        ? new JsonSerializerSettings { Converters = converters }
        : null;

      return SerializeObject(value, formatting, settings);
    }

    /// <summary>
    /// Serializes the specified object to a JSON string using a collection of <see cref="JsonConverter"/>.
    /// </summary>
    /// <param name="value">The object to serialize.</param>
    /// <param name="formatting">Indicates how the output is formatted.</param>
    /// <param name="settings">The <see cref="JsonSerializerSettings"/> used to serialize the object.
    /// If this is null, default serialization settings will be is used.</param>
    /// <returns>
    /// A JSON string representation of the object.
    /// </returns>
    public static string SerializeObject(object value, Formatting formatting, JsonSerializerSettings settings)
    {
      JsonSerializer jsonSerializer = JsonSerializer.Create(settings);

      StringBuilder sb = new StringBuilder(128);
      StringWriter sw = new StringWriter(sb, CultureInfo.InvariantCulture);
      using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
      {
        jsonWriter.Formatting = formatting;

        jsonSerializer.Serialize(jsonWriter, value);
      }

      return sw.ToString();
    }

    /// <summary>
    /// Deserializes the specified object to a Json object.
    /// </summary>
    /// <param name="value">The object to deserialize.</param>
    /// <returns>The deserialized object from the Json string.</returns>
    public static object DeserializeObject(string value)
    {
      return DeserializeObject(value, null, (JsonSerializerSettings)null);
    }

    /// <summary>
    /// Deserializes the specified object to a Json object.
    /// </summary>
    /// <param name="value">The object to deserialize.</param>
    /// <param name="type">The <see cref="Type"/> of object being deserialized.</param>
    /// <returns>The deserialized object from the Json string.</returns>
    public static object DeserializeObject(string value, Type type)
    {
      return DeserializeObject(value, type, (JsonSerializerSettings)null);
    }

    /// <summary>
    /// Deserializes the specified object to a Json object.
    /// </summary>
    /// <typeparam name="T">The type of the object to deserialize.</typeparam>
    /// <param name="value">The object to deserialize.</param>
    /// <returns>The deserialized object from the Json string.</returns>
    public static T DeserializeObject<T>(string value)
    {
      return DeserializeObject<T>(value, (JsonSerializerSettings)null);
    }

    /// <summary>
    /// Deserializes the specified JSON to the given anonymous type.
    /// </summary>
    /// <typeparam name="T">
    /// The anonymous type to deserialize to. This can't be specified
    /// traditionally and must be infered from the anonymous type passed
    /// as a parameter.
    /// </typeparam>
    /// <param name="value">The object to deserialize.</param>
    /// <param name="anonymousTypeObject">The anonymous type object.</param>
    /// <returns>The deserialized anonymous type from the JSON string.</returns>
    public static T DeserializeAnonymousType<T>(string value, T anonymousTypeObject)
    {
      return DeserializeObject<T>(value);
    }

    /// <summary>
    /// Deserializes the JSON string to the specified type.
    /// </summary>
    /// <typeparam name="T">The type of the object to deserialize.</typeparam>
    /// <param name="value">The object to deserialize.</param>
    /// <param name="converters">Converters to use while deserializing.</param>
    /// <returns>The deserialized object from the JSON string.</returns>
    public static T DeserializeObject<T>(string value, params JsonConverter[] converters)
    {
      return (T)DeserializeObject(value, typeof(T), converters);
    }

    /// <summary>
    /// Deserializes the JSON string to the specified type.
    /// </summary>
    /// <typeparam name="T">The type of the object to deserialize.</typeparam>
    /// <param name="value">The object to deserialize.</param>
    /// <param name="settings">
    /// The <see cref="JsonSerializerSettings"/> used to deserialize the object.
    /// If this is null, default serialization settings will be is used.
    /// </param>
    /// <returns>The deserialized object from the JSON string.</returns>
    public static T DeserializeObject<T>(string value, JsonSerializerSettings settings)
    {
      return (T)DeserializeObject(value, typeof(T), settings);
    }

    /// <summary>
    /// Deserializes the JSON string to the specified type.
    /// </summary>
    /// <param name="value">The object to deserialize.</param>
    /// <param name="type">The type of the object to deserialize.</param>
    /// <param name="converters">Converters to use while deserializing.</param>
    /// <returns>The deserialized object from the JSON string.</returns>
    public static object DeserializeObject(string value, Type type, params JsonConverter[] converters)
    {
      JsonSerializerSettings settings = (converters != null && converters.Length > 0)
        ? new JsonSerializerSettings { Converters = converters }
        : null;

      return DeserializeObject(value, type, settings);
    }

    /// <summary>
    /// Deserializes the JSON string to the specified type.
    /// </summary>
    /// <param name="value">The JSON to deserialize.</param>
    /// <param name="type">The type of the object to deserialize.</param>
    /// <param name="settings">
    /// The <see cref="JsonSerializerSettings"/> used to deserialize the object.
    /// If this is null, default serialization settings will be is used.
    /// </param>
    /// <returns>The deserialized object from the JSON string.</returns>
    public static object DeserializeObject(string value, Type type, JsonSerializerSettings settings)
    {
      StringReader sr = new StringReader(value);
      JsonSerializer jsonSerializer = JsonSerializer.Create(settings);

      object deserializedValue;

      using (JsonReader jsonReader = new JsonTextReader(sr))
      {
        deserializedValue = jsonSerializer.Deserialize(jsonReader, type);

        if (jsonReader.Read() && jsonReader.TokenType != JsonToken.Comment)
          throw new JsonSerializationException("Additional text found in JSON string after finishing deserializing object.");
      }

      return deserializedValue;
    }

    /// <summary>
    /// Populates the object with values from the JSON string.
    /// </summary>
    /// <param name="value">The JSON to populate values from.</param>
    /// <param name="target">The target object to populate values onto.</param>
    public static void PopulateObject(string value, object target)
    {
      PopulateObject(value, target, null);
    }


    /// <summary>
    /// Populates the object with values from the JSON string.
    /// </summary>
    /// <param name="value">The JSON to populate values from.</param>
    /// <param name="target">The target object to populate values onto.</param>
    /// <param name="settings">
    /// The <see cref="JsonSerializerSettings"/> used to deserialize the object.
    /// If this is null, default serialization settings will be is used.
    /// </param>
    public static void PopulateObject(string value, object target, JsonSerializerSettings settings)
    {
      StringReader sr = new StringReader(value);
      JsonSerializer jsonSerializer = JsonSerializer.Create(settings);

      using (JsonReader jsonReader = new JsonTextReader(sr))
      {
        jsonSerializer.Populate(jsonReader, target);

        if (jsonReader.Read() && jsonReader.TokenType != JsonToken.Comment)
          throw new JsonSerializationException("Additional text found in JSON string after finishing deserializing object.");
      }
    }

#if !NET20 && !SILVERLIGHT
    /// <summary>
    /// Serializes the <see cref="XNode"/> to a JSON string.
    /// </summary>
    /// <param name="node">The node to convert to JSON.</param>
    /// <returns>A JSON string of the XNode.</returns>
    public static string SerializeXNode(XObject node)
    {
      return SerializeXNode(node, Formatting.None);
    }

    /// <summary>
    /// Serializes the <see cref="XNode"/> to a JSON string.
    /// </summary>
    /// <param name="node">The node to convert to JSON.</param>
    /// <param name="formatting">Indicates how the output is formatted.</param>
    /// <returns>A JSON string of the XNode.</returns>
    public static string SerializeXNode(XObject node, Formatting formatting)
    {
      XmlNodeConverter converter = new XmlNodeConverter();

      return SerializeObject(node, formatting, converter);
    }

    /// <summary>
    /// Deserializes the <see cref="XNode"/> from a JSON string.
    /// </summary>
    /// <param name="value">The JSON string.</param>
    /// <returns>The deserialized XNode</returns>
    public static XDocument DeserializeXNode(string value)
    {
      return DeserializeXNode(value, null);
    }

    /// <summary>
    /// Deserializes the <see cref="XNode"/> from a JSON string nested in a root elment.
    /// </summary>
    /// <param name="value">The JSON string.</param>
    /// <param name="deserializeRootElementName">The name of the root element to append when deserializing.</param>
    /// <returns>The deserialized XNode</returns>
    public static XDocument DeserializeXNode(string value, string deserializeRootElementName)
    {
      XmlNodeConverter converter = new XmlNodeConverter();
      converter.DeserializeRootElementName = deserializeRootElementName;

      return (XDocument)DeserializeObject(value, typeof(XDocument), converter);
    }
#endif

#if !SILVERLIGHT
    /// <summary>
    /// Serializes the XML node to a JSON string.
    /// </summary>
    /// <param name="node">The node to serialize.</param>
    /// <returns>A JSON string of the XmlNode.</returns>
    public static string SerializeXmlNode(XmlNode node)
    {
      return SerializeXmlNode(node, Formatting.None);
    }

    /// <summary>
    /// Serializes the XML node to a JSON string.
    /// </summary>
    /// <param name="node">The node to serialize.</param>
    /// <param name="formatting">Indicates how the output is formatted.</param>
    /// <returns>A JSON string of the XmlNode.</returns>
    public static string SerializeXmlNode(XmlNode node, Formatting formatting)
    {
      XmlNodeConverter converter = new XmlNodeConverter();

      return SerializeObject(node, formatting, converter);
    }

    /// <summary>
    /// Deserializes the XmlNode from a JSON string.
    /// </summary>
    /// <param name="value">The JSON string.</param>
    /// <returns>The deserialized XmlNode</returns>
    public static XmlDocument DeserializeXmlNode(string value)
    {
      return DeserializeXmlNode(value, null);
    }

    /// <summary>
    /// Deserializes the XmlNode from a JSON string nested in a root elment.
    /// </summary>
    /// <param name="value">The JSON string.</param>
    /// <param name="deserializeRootElementName">The name of the root element to append when deserializing.</param>
    /// <returns>The deserialized XmlNode</returns>
    public static XmlDocument DeserializeXmlNode(string value, string deserializeRootElementName)
    {
      XmlNodeConverter converter = new XmlNodeConverter();
      converter.DeserializeRootElementName = deserializeRootElementName;

      return (XmlDocument)DeserializeObject(value, typeof(XmlDocument), converter);
    }
#endif
  }
}
www.java2v.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.