本文整理汇总了C#中JsonWriter.WriteNull方法的典型用法代码示例。如果您正苦于以下问题：C# JsonWriter.WriteNull方法的具体用法？C# JsonWriter.WriteNull怎么用？C# JsonWriter.WriteNull使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类JsonWriter的用法示例。
在下文中一共展示了JsonWriter.WriteNull方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: WritesNull
public void WritesNull()
{
var sw = new StringWriter();
var writer = new JsonWriter(sw);
writer.WriteNull();
Assert.AreEqual("null", sw.ToString());
}示例2: WriteJson
/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
EnsureReflectionObject(value.GetType());
DefaultContractResolver resolver = serializer.ContractResolver as DefaultContractResolver;
string keyName = (string)_reflectionObject.GetValue(value, KeyPropertyName);
object keyValue = _reflectionObject.GetValue(value, ValuePropertyName);
Type keyValueType = (keyValue != null) ? keyValue.GetType() : null;
writer.WriteStartObject();
writer.WritePropertyName((resolver != null) ? resolver.GetResolvedPropertyName(KeyPropertyName) : KeyPropertyName);
writer.WriteValue(keyName);
writer.WritePropertyName((resolver != null) ? resolver.GetResolvedPropertyName(TypePropertyName) : TypePropertyName);
writer.WriteValue((keyValueType != null) ? keyValueType.FullName : null);
writer.WritePropertyName((resolver != null) ? resolver.GetResolvedPropertyName(ValuePropertyName) : ValuePropertyName);
if (keyValueType != null)
{
string valueJson;
if (JsonSerializerInternalWriter.TryConvertToString(keyValue, keyValueType, out valueJson))
writer.WriteValue(valueJson);
else
writer.WriteValue(keyValue);
}
else
{
writer.WriteNull();
}
writer.WriteEndObject();
}示例3: WriteJson
/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
IEntityKeyMember entityKeyMember = DynamicWrapper.CreateWrapper<IEntityKeyMember>(value);
Type keyType = (entityKeyMember.Value != null) ? entityKeyMember.Value.GetType() : null;
writer.WriteStartObject();
writer.WritePropertyName("Key");
writer.WriteValue(entityKeyMember.Key);
writer.WritePropertyName("Type");
writer.WriteValue((keyType != null) ? keyType.FullName : null);
writer.WritePropertyName("Value");
if (keyType != null)
{
string valueJson;
if (JsonSerializerInternalWriter.TryConvertToString(entityKeyMember.Value, keyType, out valueJson))
writer.WriteValue(valueJson);
else
writer.WriteValue(entityKeyMember.Value);
}
else
{
writer.WriteNull();
}
writer.WriteEndObject();
}示例4: WriteJson
/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (value == null)
{
writer.WriteNull();
return;
}
Enum e = (Enum)value;
string enumName = e.ToString("G");
if (char.IsNumber(enumName[0]) || enumName[0] == '-')
{
writer.WriteValue(value);
}
else
{
BidirectionalDictionary<string, string> map = GetEnumNameMap(e.GetType());
string resolvedEnumName;
map.TryGetByFirst(enumName, out resolvedEnumName);
resolvedEnumName = resolvedEnumName ?? enumName;
if (CamelCaseText)
resolvedEnumName = StringUtils.ToCamelCase(resolvedEnumName);
writer.WriteValue(resolvedEnumName);
}
}示例5: ValueFormatting
public void ValueFormatting()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonWriter(sw))
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue('@');
jsonWriter.WriteValue("\r\n\t\f\b?{\\r\\n\"\'");
jsonWriter.WriteValue(true);
jsonWriter.WriteValue(10);
jsonWriter.WriteValue(10.99);
jsonWriter.WriteValue(0.99);
jsonWriter.WriteValue(0.000000000000000001d);
jsonWriter.WriteValue(0.000000000000000001m);
jsonWriter.WriteValue(null);
jsonWriter.WriteValue("This is a string.");
jsonWriter.WriteNull();
jsonWriter.WriteUndefined();
jsonWriter.WriteEndArray();
}
const string expected = @"[""@"",""\r\n\t\f\b?{\\r\\n\""'"",true,10,10.99,0.99,1E-18,0.000000000000000001,,""This is a string."",null,undefined]";
string result = sb.ToString();
Console.WriteLine("ValueFormatting");
Console.WriteLine(result);
Assert.AreEqual(expected, result);
}示例6: WriteJson
/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
DefaultContractResolver resolver = serializer.ContractResolver as DefaultContractResolver;
IEntityKeyMember entityKeyMember = DynamicWrapper.CreateWrapper<IEntityKeyMember>(value);
Type keyType = (entityKeyMember.Value != null) ? entityKeyMember.Value.GetType() : null;
writer.WriteStartObject();
writer.WritePropertyName((resolver != null) ? resolver.GetResolvedPropertyName(KeyPropertyName) : KeyPropertyName);
writer.WriteValue(entityKeyMember.Key);
writer.WritePropertyName((resolver != null) ? resolver.GetResolvedPropertyName(TypePropertyName) : TypePropertyName);
writer.WriteValue((keyType != null) ? keyType.FullName : null);
writer.WritePropertyName((resolver != null) ? resolver.GetResolvedPropertyName(ValuePropertyName) : ValuePropertyName);
if (keyType != null)
{
string valueJson;
if (JsonSerializerInternalWriter.TryConvertToString(entityKeyMember.Value, keyType, out valueJson))
writer.WriteValue(valueJson);
else
writer.WriteValue(entityKeyMember.Value);
}
else
{
writer.WriteNull();
}
writer.WriteEndObject();
}示例7: WriteJson
/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (value == null)
{
writer.WriteNull();
return;
}
Enum e = (Enum) value;
string enumName = e.ToString("G");
if (char.IsNumber(enumName[0]) || enumName[0] == '-')
{
// enum value didn't have an option against it
// fallback to writing number value
writer.WriteValue(value);
}
else
{
if (CamelCaseText)
enumName = StringUtils.ToCamelCase(enumName);
writer.WriteValue(enumName);
}
}示例8: WriteJson
/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (value == null)
{
writer.WriteNull();
return;
}
Enum e = (Enum)value;
string enumName = e.ToString("G");
if (char.IsNumber(enumName[0]) || enumName[0] == '-')
{
// enum value has no name so write number
writer.WriteValue(value);
}
else
{
Type enumType = e.GetType();
string finalName = EnumUtils.ToEnumName(enumType, enumName, CamelCaseText);
writer.WriteValue(finalName);
}
}示例9: WriteJson
/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (value == null)
{
writer.WriteNull();
return;
}
Enum e = (Enum)value;
string enumName = e.ToString("G");
if (char.IsNumber(enumName[0]) || enumName[0] == '-')
{
writer.WriteValue(value);
}
else
{
BidirectionalDictionary<string, string> map = GetEnumNameMap(e.GetType());
string resolvedEnumName;
map.TryGetByFirst(enumName, out resolvedEnumName);
resolvedEnumName = resolvedEnumName ?? enumName;
if (CamelCaseText)
{
string[] names = resolvedEnumName.Split(',').Select(item => StringUtils.ToCamelCase(item.Trim())).ToArray();
resolvedEnumName = string.Join(", ", names);
}
writer.WriteValue(resolvedEnumName);
}
}示例10: WriteJsonValue
private void WriteJsonValue(JsonWriter writer, IJsonValue value)
{
switch (value.ValueType)
{
case JsonValueType.Array:
{
JsonArray a = value.GetArray();
writer.WriteStartArray();
for (int i = 0; i < a.Count; i++)
{
WriteJsonValue(writer, a[i]);
}
writer.WriteEndArray();
}
break;
case JsonValueType.Boolean:
{
writer.WriteValue(value.GetBoolean());
}
break;
case JsonValueType.Null:
{
writer.WriteNull();
}
break;
case JsonValueType.Number:
{
// JsonValue doesn't support integers
// serialize whole numbers without a decimal point
double d = value.GetNumber();
bool isInteger = (d % 1 == 0);
if (isInteger && d <= long.MaxValue && d >= long.MinValue)
writer.WriteValue(Convert.ToInt64(d));
else
writer.WriteValue(d);
}
break;
case JsonValueType.Object:
{
JsonObject o = value.GetObject();
writer.WriteStartObject();
foreach (KeyValuePair<string, IJsonValue> v in o)
{
writer.WritePropertyName(v.Key);
WriteJsonValue(writer, v.Value);
}
writer.WriteEndObject();
}
break;
case JsonValueType.String:
{
writer.WriteValue(value.GetString());
}
break;
default:
throw new ArgumentOutOfRangeException("ValueType");
}
}示例11: WriteJson
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
NameContainer nameContainer = value as NameContainer;
if (nameContainer != null)
writer.WriteValue(nameContainer.Value);
else
writer.WriteNull();
}开发者ID:rodrigobrito，项目名称:Newtonsoft.Json，代码行数:9，代码来源:PublicParametizedConstructorRequiringConverterTestClass.cs
示例12: WriteJson
/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer) {
if (writer == null) throw new ArgumentNullException("writer");
if (value == null) {
writer.WriteNull();
return;
}
var data = GetByteArray(value);
writer.WriteValue(data);
}示例13: Write
public override void Write(JsonWriter writer, object value)
{
if (value == null) writer.WriteNull();
else
{
var m = value as LinearRegressionModel;
base.Write(writer, m);
writer.WriteProperty(nameof(m.Theta), m.Theta);
}
}示例14: WriteJson
// Token: 0x0600017F RID: 383
// RVA: 0x0002B420 File Offset: 0x00029620
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (value == null)
{
writer.WriteNull();
return;
}
byte[] byteArray = this.GetByteArray(value);
writer.WriteValue(byteArray);
}示例15: Export
public virtual void Export(object value, JsonWriter writer)
{
if (writer == null)
throw new ArgumentNullException("writer");
if (value == null)
writer.WriteNull();
else
ExportValue(value, writer);
}