/// <summary>
/// Filters data from the specified object.
/// </summary>
/// <typeparam name="T">The type of the object.</typeparam>
/// <param name="value">The object instance.</param>
/// <param name="settings">The settings used when reading/writing JSON.</param>
/// <returns>A new object with the specified data filtered.</returns>
/// <remarks>This method converts the object to JSON, filtering out data as
/// appropriate, and then converts the filtered JSON back into an object.</remarks>
public T FilterObject <T>(T value, JsonSettings settings)
{
if (value == null)
{
return(default(T));
}
var tokenWriter = new JTokenWriter();
JsonUtility.ToJsonWriter(value, settings, CreateFilteredJsonWriter(tokenWriter));
return(JsonUtility.FromJToken <T>(tokenWriter.Token, settings));
}
/// <summary>
/// Creates default serialization settings.
/// </summary>
/// <returns>The serialization settings used by ToJson.</returns>
public static JsonSerializerSettings CreateDefaultJsonSerializerSettings(JsonSettings settings)
{
JsonSerializerSettings serializerSettings =
new JsonSerializerSettings
{
ContractResolver = s_defaultContractResolver,
DateParseHandling = DateParseHandling.None,
NullValueHandling = settings?.IncludesNullValues ?? false ? NullValueHandling.Include : NullValueHandling.Ignore,
MissingMemberHandling = settings?.RejectsExtraProperties ?? false ? MissingMemberHandling.Error : MissingMemberHandling.Ignore,
MetadataPropertyHandling = MetadataPropertyHandling.Ignore,
CheckAdditionalContent = true,
};
if (settings?.Converters != null)
{
serializerSettings.Converters.AddRange(settings.Converters);
}
serializerSettings.Converters.AddRange(s_defaultConverters);
return(serializerSettings);
}
/// <summary>
/// Converts the object to a JSON writer.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="settings">The settings.</param>
/// <param name="jsonWriter">The JSON writer to write JSON to.</param>
public static void ToJsonWriter(object value, JsonSettings settings, JsonWriter jsonWriter)
{
JsonSerializer serializer = JsonSerializer.Create(CreateDefaultJsonSerializerSettings(settings));
serializer.Serialize(jsonWriter, value);
}
/// <summary> /// Gets the JSON formatting specified by the settings. /// </summary> /// <param name="settings">The settings.</param> /// <returns>The JSON formatting.</returns> public static Formatting GetJsonFormatting(JsonSettings settings) => settings != null && settings.IsIndented ? Formatting.Indented : Formatting.None;
/// <summary> /// Creates an object from a JToken. /// </summary> /// <typeparam name="T">The type of object to create.</typeparam> /// <param name="json">The JToken.</param> /// <param name="settings">The settings.</param> /// <returns>The object.</returns> public static T FromJToken <T>(JToken json, JsonSettings settings) => (T)FromJToken(json, typeof(T), settings);
/// <summary>
/// Creates an object from compressed JSON.
/// </summary>
/// <param name="json">The compressed JSON.</param>
/// <param name="type">The type.</param>
/// <param name="settings">The settings.</param>
/// <returns>The object.</returns>
/// <exception cref="JsonReaderException">The text is not valid JSON.</exception>
/// <exception cref="JsonSerializationException">The JSON cannot be deserialized into the specified type.</exception>
public static object FromCompressedJson(byte[] json, Type type, JsonSettings settings)
{
using (MemoryStream stream = new MemoryStream(json, false))
using (TextReader textReader = StringUtility.CreateDecompressingTextReader(stream, Ownership.None))
return(FromJsonTextReader(textReader, type, settings));
}
/// <summary> /// Creates an object from compressed JSON. /// </summary> /// <typeparam name="T">The type of object to create.</typeparam> /// <param name="json">The compressed JSON.</param> /// <param name="settings">The settings.</param> /// <returns>The object.</returns> /// <exception cref="JsonReaderException">The text is not valid JSON.</exception> /// <exception cref="JsonSerializationException">The JSON cannot be deserialized into the specified type.</exception> public static T FromCompressedJson <T>(byte[] json, JsonSettings settings) => (T)FromCompressedJson(json, typeof(T), settings);
/// <summary>
/// Creates an object from JSON.
/// </summary>
/// <param name="textReader">The JSON.</param>
/// <param name="type">The type.</param>
/// <param name="settings">The settings.</param>
/// <returns>The object.</returns>
/// <exception cref="JsonReaderException">The text is not valid JSON.</exception>
/// <exception cref="JsonSerializationException">The JSON cannot be deserialized into the specified type.</exception>
public static object FromJsonTextReader(TextReader textReader, Type type, JsonSettings settings)
{
using (JsonReader reader = new JsonTextReader(textReader))
return(Deserialize(settings, reader, type));
}
/// <summary> /// Creates an object from JSON. /// </summary> /// <param name="textReader">The JSON.</param> /// <param name="settings">The settings.</param> /// <returns>The object.</returns> /// <exception cref="JsonReaderException">The text is not valid JSON.</exception> /// <exception cref="JsonSerializationException">The JSON cannot be deserialized into the specified type.</exception> public static T FromJsonTextReader <T>(TextReader textReader, JsonSettings settings) => (T)FromJsonTextReader(textReader, typeof(T), settings);
/// <summary>
/// Creates an object from JSON.
/// </summary>
/// <param name="json">The JSON.</param>
/// <param name="type">The type.</param>
/// <param name="settings">The settings.</param>
/// <returns>The object.</returns>
/// <exception cref="JsonReaderException">The text is not valid JSON.</exception>
/// <exception cref="JsonSerializationException">The JSON cannot be deserialized into the specified type.</exception>
public static object FromJson(string json, Type type, JsonSettings settings)
{
using (StringReader stringReader = new StringReader(json))
return(FromJsonTextReader(stringReader, type, settings));
}
/// <summary> /// Creates an object from JSON. /// </summary> /// <typeparam name="T">The type of object to create.</typeparam> /// <param name="json">The JSON.</param> /// <param name="settings">The settings.</param> /// <returns>The object.</returns> /// <exception cref="JsonReaderException">The text is not valid JSON.</exception> /// <exception cref="JsonSerializationException">The JSON cannot be deserialized into the specified type.</exception> public static T FromJson <T>(string json, JsonSettings settings) => (T)FromJson(json, typeof(T), settings);
