public static void Run()
{
var weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
byte[] jsonUtf8Bytes;
var options = new JsonSerializerOptions
{
WriteIndented = true
};
jsonUtf8Bytes = JsonSerializer.SerializeToUtf8Bytes(weatherForecast, options);
// </SnippetSerialize>
Console.WriteLine($"JSON output:\n{Encoding.UTF8.GetString(jsonUtf8Bytes)}\n");
// <SnippetDeserialize1>
var readOnlySpan = new ReadOnlySpan <byte>(jsonUtf8Bytes);
weatherForecast = JsonSerializer.Deserialize <WeatherForecast>(readOnlySpan);
// </SnippetDeserialize1>
weatherForecast.DisplayPropertyValues();
// <SnippetDeserialize2>
var utf8Reader = new Utf8JsonReader(jsonUtf8Bytes);
weatherForecast = JsonSerializer.Deserialize <WeatherForecast>(ref utf8Reader);
// </SnippetDeserialize2>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
var wf = WeatherForecastFactories.CreateWeatherForecast();
var options = new JsonSerializerOptions();
options.WriteIndented = true;
options.Converters.Add(new WeatherForecastRequiredPropertyConverter());
jsonString = JsonSerializer.Serialize(wf, options);
Console.WriteLine($"JSON with Date:\n{jsonString}\n");
wf = JsonSerializer.Deserialize<WeatherForecast>(jsonString, options);
wf.DisplayPropertyValues();
jsonString = @"{""TemperatureCelsius"": 25,""Summary"":""Hot""}";
Console.WriteLine($"JSON without Date:\n{jsonString}\n");
// The missing-date JSON deserializes without error if the converter isn't used.
Console.WriteLine("Deserialize without converter");
wf = JsonSerializer.Deserialize<WeatherForecast>(jsonString);
wf.DisplayPropertyValues();
Console.WriteLine("Deserialize with converter");
try
{
wf = JsonSerializer.Deserialize<WeatherForecast>(jsonString, options);
}
catch (JsonException ex)
{
Console.WriteLine($"Exception thrown: {ex.Message}\n");
}
// wf object is unchanged if exception is thrown.
wf.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
var wf = WeatherForecastFactories.CreateWeatherForecast();
var options = new JsonSerializerOptions();
options.WriteIndented = true;
options.Converters.Add(new DateTimeOffsetNullHandlingConverter());
jsonString = JsonSerializer.Serialize(wf, options);
Console.WriteLine($"JSON with valid Date:\n{jsonString}\n");
wf = JsonSerializer.Deserialize <WeatherForecast>(jsonString, options);
wf.DisplayPropertyValues();
jsonString = @"{""Date"": null,""TemperatureCelsius"": 25,""Summary"":""Hot""}";
Console.WriteLine($"JSON with null Date:\n{jsonString}\n");
// The null-date JSON deserializes with error if the converter isn't used.
try
{
wf = JsonSerializer.Deserialize <WeatherForecast>(jsonString);
}
catch (JsonException ex)
{
Console.WriteLine($"Exception thrown: {ex.Message}\n");
}
Console.WriteLine("Deserialize with converter");
wf = JsonSerializer.Deserialize <WeatherForecast>(jsonString, options);
wf.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
WeatherForecast weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
weatherForecast.DisplayPropertyValues();
// <Serialize>
var serializeOptions = new JsonSerializerOptions
{
WriteIndented = true,
Converters =
{
new DateTimeOffsetConverter()
}
};
jsonString = JsonSerializer.Serialize(weatherForecast, serializeOptions);
// </Serialize>
Console.WriteLine($"JSON output:\n{jsonString}\n");
// <Deserialize>
var deserializeOptions = new JsonSerializerOptions();
deserializeOptions.Converters.Add(new DateTimeOffsetConverter());
weatherForecast = JsonSerializer.Deserialize <WeatherForecast>(jsonString, deserializeOptions);
// </Deserialize>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
var weatherForecast = WeatherForecastFactories.CreateWeatherForecastWithEnumDictionary();
// <Register>
var serializeOptions = new JsonSerializerOptions
{
WriteIndented = true,
Converters =
{
new DictionaryTKeyEnumTValueConverter()
}
};
// </Register>
jsonString = JsonSerializer.Serialize(weatherForecast, serializeOptions);
Console.WriteLine($"JSON output:\n{jsonString}\n");
// <Deserialize>
var deserializeOptions = new JsonSerializerOptions();
deserializeOptions.Converters.Add(new DictionaryTKeyEnumTValueConverter());
weatherForecast = JsonSerializer.Deserialize <WeatherForecastWithEnumDictionary>(jsonString, deserializeOptions);
// </Deserialize>
weatherForecast !.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
WeatherForecast weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
var options = new JsonSerializerOptions
{
PropertyNamingPolicy = new UpperCaseNamingPolicy(),
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </SnippetSerialize>
Console.WriteLine($"JSON output:\n{jsonString}\n");
// <SnippetDeserialize>
options = new JsonSerializerOptions
{
PropertyNamingPolicy = new UpperCaseNamingPolicy()
};
weatherForecast = JsonSerializer.Deserialize <WeatherForecast>(jsonString, options);
// </SnippetDeserialize>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
WeatherForecastWithEnum weatherForecast = WeatherForecastFactories.CreateWeatherForecastWithEnum();
weatherForecast.DisplayPropertyValues();
var options = new JsonSerializerOptions
{
WriteIndented = true,
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
Console.WriteLine($"JSON with enum as number:\n{jsonString}\n");
// <SnippetSerialize>
options = new JsonSerializerOptions();
options.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase));
options.WriteIndented = true;
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </SnippetSerialize>
Console.WriteLine($"JSON with enum as string:\n{jsonString}\n");
// <SnippetDeserialize>
options = new JsonSerializerOptions();
options.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase));
weatherForecast = JsonSerializer.Deserialize <WeatherForecastWithEnum>(jsonString, options);
// </SnippetDeserialize>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
var wf = WeatherForecastFactories.CreateWeatherForecastAttrReg();
var options = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(wf, options);
Console.WriteLine($"JSON with Date:\n{jsonString}\n");
wf = JsonSerializer.Deserialize <WeatherForecastWithRequiredPropertyConverterAttribute>(jsonString, options);
wf.DisplayPropertyValues();
jsonString = @"{""TemperatureCelsius"": 25,""Summary"":""Hot""}";
Console.WriteLine($"JSON without Date:\n{jsonString}\n");
Console.WriteLine("Deserialize with converter");
try
{
wf = JsonSerializer.Deserialize <WeatherForecastWithRequiredPropertyConverterAttribute>(jsonString, options);
}
catch (JsonException ex)
{
Console.WriteLine($"Exception thrown: {ex.Message}\n");
}
// wf object is unchanged if exception is thrown.
wf.DisplayPropertyValues();
}
public static void Run()
{
var weatherForecast = WeatherForecastFactories.CreateWeatherForecastWithPOCOs();
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
string jsonString;
jsonString = JsonSerializer.Serialize(weatherForecast);
// </SnippetSerialize>
// <SnippetSerializeWithGenericParameter>
jsonString = JsonSerializer.Serialize <WeatherForecastWithPOCOs>(weatherForecast);
// </SnippetSerializeWithGenericParameter>
Console.WriteLine($"JSON output:\n{jsonString}\n");
// <SnippetSerializePrettyPrint>
var options = new JsonSerializerOptions
{
WriteIndented = true,
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </SnippetSerializePrettyPrint>
Console.WriteLine($"Pretty-printed JSON output:\n{jsonString}\n");
// <SnippetDeserialize>
weatherForecast = JsonSerializer.Deserialize <WeatherForecastWithPOCOs>(jsonString);
// </SnippetDeserialize>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
var wf = WeatherForecastFactories.CreateWeatherForecast();
wf.DisplayPropertyValues();
var serializeOptions = new JsonSerializerOptions
{
WriteIndented = true,
Converters =
{
new WeatherForecastRuntimeIgnoreConverter()
}
};
jsonString = JsonSerializer.Serialize(wf, serializeOptions);
Console.WriteLine($"JSON output:\n{jsonString}\n");
wf.Summary = "N/A";
wf.DisplayPropertyValues();
jsonString = JsonSerializer.Serialize(wf, serializeOptions);
Console.WriteLine($"JSON output:\n{jsonString}\n");
var deserializeOptions = new JsonSerializerOptions
{
Converters =
{
new WeatherForecastRuntimeIgnoreConverter()
}
};
wf = JsonSerializer.Deserialize <WeatherForecast>(jsonString, deserializeOptions);
wf.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
var wf = WeatherForecastFactories.CreateWeatherForecast();
wf.DisplayPropertyValues();
// <SnippetSerialize>
var serializeOptions = new JsonSerializerOptions();
serializeOptions.Converters.Add(new WeatherForecastCallbacksConverter());
serializeOptions.WriteIndented = true;
jsonString = JsonSerializer.Serialize(wf, serializeOptions);
// </SnippetSerialize>
Console.WriteLine($"JSON output:\n{jsonString}\n");
// <SnippetDeserialize>
var deserializeOptions = new JsonSerializerOptions();
deserializeOptions.Converters.Add(new WeatherForecastCallbacksConverter());
wf = JsonSerializer.Deserialize <WeatherForecast>(jsonString, deserializeOptions);
// <SnippetDeserialize>
wf.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
// Serialize to create input JSON
var weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
var serializeOptions = new JsonSerializerOptions
{
WriteIndented = true
};
serializeOptions.WriteIndented = true;
jsonString = JsonSerializer.Serialize(weatherForecast, serializeOptions);
Console.WriteLine($"JSON input:\n{jsonString}\n");
// Deserialize without converter
// Properties are JsonElement type.
WeatherForecastWithObjectProperties weatherForecastWithObjectProperties = JsonSerializer.Deserialize <WeatherForecastWithObjectProperties>(jsonString);
weatherForecastWithObjectProperties.DisplayPropertyValues();
// <SnippetRegister>
var deserializeOptions = new JsonSerializerOptions();
deserializeOptions.Converters.Add(new ObjectToInferredTypesConverter());
// </SnippetRegister>
weatherForecastWithObjectProperties = JsonSerializer.Deserialize <WeatherForecastWithObjectProperties>(jsonString, deserializeOptions);
weatherForecastWithObjectProperties.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
WeatherForecastWithPropertyNameAttribute weatherForecast =
WeatherForecastFactories.CreateWeatherForecastWithPropertyNameAttribute();
weatherForecast.DisplayPropertyValues();
// <Serialize>
var serializeOptions = new JsonSerializerOptions
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, serializeOptions);
// </Serialize>
Console.WriteLine($"JSON output:\n{jsonString}\n");
// <Deserialize>
var deserializeOptions = new JsonSerializerOptions
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
};
weatherForecast =
JsonSerializer.Deserialize <WeatherForecastWithPropertyNameAttribute>(
jsonString, deserializeOptions);
// </Deserialize>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
WeatherForecast weatherForecast =
WeatherForecastFactories.CreateWeatherForecastCyrillic();
weatherForecast.DisplayPropertyValues();
Console.WriteLine("Default serialization - non-ASCII escaped");
var options = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
Console.WriteLine(jsonString);
Console.WriteLine();
Console.WriteLine("Serialize language sets unescaped");
// <LanguageSets>
options = new JsonSerializerOptions
{
Encoder = JavaScriptEncoder.Create(UnicodeRanges.BasicLatin, UnicodeRanges.Cyrillic),
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </LanguageSets>
Console.WriteLine(jsonString);
Console.WriteLine();
Console.WriteLine("Serialize selected unescaped characters");
// <SelectedCharacters>
var encoderSettings = new TextEncoderSettings();
encoderSettings.AllowCharacters('\u0436', '\u0430');
encoderSettings.AllowRange(UnicodeRanges.BasicLatin);
options = new JsonSerializerOptions
{
Encoder = JavaScriptEncoder.Create(encoderSettings),
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </SelectedCharacters>
Console.WriteLine(jsonString);
Console.WriteLine();
Console.WriteLine("Serialize using unsafe relaxed encoder");
// <UnsafeRelaxed>
options = new JsonSerializerOptions
{
Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </UnsafeRelaxed>
Console.WriteLine(jsonString);
}
public static void Run()
{
// Serialize to create input JSON
WeatherForecastWithLong weatherForecast = WeatherForecastFactories.CreateWeatherForecastWithLong();
var serializeOptions = new JsonSerializerOptions
{
WriteIndented = true
};
string jsonString = JsonSerializer.Serialize(weatherForecast, serializeOptions);
Console.WriteLine($"JSON output:\n{jsonString}\n");
weatherForecast = JsonSerializer.Deserialize <WeatherForecastWithLong>(jsonString);
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
WeatherForecast weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
byte[] jsonUtf8Bytes = JsonSerializer.SerializeToUtf8Bytes(
weatherForecast,
new JsonSerializerOptions {
WriteIndented = true
});
// <SnippetDeserialize>
var options = new JsonReaderOptions
{
AllowTrailingCommas = true,
CommentHandling = JsonCommentHandling.Skip
};
Utf8JsonReader reader = new Utf8JsonReader(jsonUtf8Bytes, options);
while (reader.Read())
{
Console.Write(reader.TokenType);
switch (reader.TokenType)
{
case JsonTokenType.PropertyName:
case JsonTokenType.String:
{
string text = reader.GetString();
Console.Write(" ");
Console.Write(text);
break;
}
case JsonTokenType.Number:
{
int intValue = reader.GetInt32();
Console.Write(" ");
Console.Write(intValue);
break;
}
// Other token types elided for brevity
}
Console.WriteLine();
}
// </SnippetDeserialize>
}
public static void Run()
{
string jsonString;
var weatherForecast = WeatherForecastFactories.CreateWeatherForecastWithIgnoreAttribute();
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
var options = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </SnippetSerialize>
Console.WriteLine(jsonString);
Console.WriteLine();
}
public static void Run()
{
string jsonString;
string fileName = "WeatherForecast.json";
WeatherForecast weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
jsonString = JsonSerializer.Serialize(weatherForecast);
File.WriteAllText(fileName, jsonString);
// </SnippetSerialize>
Console.WriteLine($"The result is in {fileName}\n");
// <SnippetDeserialize>
jsonString = File.ReadAllText(fileName);
weatherForecast = JsonSerializer.Deserialize <WeatherForecast>(jsonString);
// </SnippetDeserialize>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
WeatherForecastWithROProperty weatherForecast =
WeatherForecastFactories.CreateWeatherForecastWithROProperty();
weatherForecast.DisplayPropertyValues();
// <Serialize>
var options = new JsonSerializerOptions
{
IgnoreReadOnlyProperties = true,
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </Serialize>
Console.WriteLine(jsonString);
Console.WriteLine();
}
public static void Run()
{
string jsonString;
var weatherForecast = WeatherForecastFactories.CreateWeatherForecastWithConverterAttribute();
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
var serializeOptions = new JsonSerializerOptions();
serializeOptions.WriteIndented = true;
jsonString = JsonSerializer.Serialize(weatherForecast, serializeOptions);
// </SnippetSerialize>
Console.WriteLine($"JSON output:\n{jsonString}\n");
// <SnippetDeserialize>
weatherForecast = JsonSerializer.Deserialize <WeatherForecastWithConverterAttribute>(jsonString);
// </SnippetDeserialize>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
WeatherForecast weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
weatherForecast.Summary = null;
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
var options = new JsonSerializerOptions
{
IgnoreNullValues = true,
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </SnippetSerialize>
Console.WriteLine(jsonString);
Console.WriteLine();
}
public static void Run()
{
string jsonString;
var weatherForecastDerived = WeatherForecastFactories.CreateWeatherForecastDerived();
WeatherForecast weatherForecast = weatherForecastDerived;
weatherForecast.DisplayPropertyValues();
Console.WriteLine("Base class generic type - derived class properties omitted");
// <SnippetSerializeDefault>
var serializeOptions = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize <WeatherForecast>(weatherForecast, serializeOptions);
// </SnippetSerializeDefault>
Console.WriteLine($"JSON output:\n{jsonString}\n");
Console.WriteLine("Object generic type parameter - derived class properties included");
// <SnippetSerializeObject>
serializeOptions = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize <object>(weatherForecast, serializeOptions);
// </SnippetSerializeObject>
Console.WriteLine($"JSON output:\n{jsonString}\n");
Console.WriteLine("GetType() type parameter - derived class properties included");
// <SnippetSerializeGetType>
serializeOptions = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, weatherForecast.GetType(), serializeOptions);
// </SnippetSerializeGetType>
Console.WriteLine($"JSON output:\n{jsonString}\n");
}
public static async Task RunAsync()
{
string fileName = "WeatherForecastAsync.json";
WeatherForecast weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
weatherForecast.DisplayPropertyValues();
// <Serialize>
using FileStream createStream = File.Create(fileName);
await JsonSerializer.SerializeAsync(createStream, weatherForecast);
// </Serialize>
Console.WriteLine($"The result is in {fileName}\n");
// <Deserialize>
using FileStream openStream = File.OpenRead(fileName);
weatherForecast = await JsonSerializer.DeserializeAsync <WeatherForecast>(openStream);
// </Deserialize>
weatherForecast.DisplayPropertyValues();
}
public static async Task RunAsync()
{
string fileName = "WeatherForecastAsync.json";
string fileNameUtf8 = "WeatherForecastAsyncUtf8";
var weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
using (FileStream fs = File.Create(fileName))
{
await JsonSerializer.SerializeAsync(fs, weatherForecast);
}
// </SnippetSerialize>
Console.WriteLine($"The result is in {fileName}\n");
// <SnippetDeserialize>
using (FileStream fs = File.OpenRead(fileName))
{
weatherForecast = await JsonSerializer.DeserializeAsync <WeatherForecast>(fs);
}
// </SnippetDeserialize>
weatherForecast.DisplayPropertyValues();
using (FileStream fs = File.Create(fileNameUtf8))
{
using (StreamWriter writer = new StreamWriter(fs, Encoding.UTF8))
{
await JsonSerializer.SerializeAsync(fs, weatherForecast);
}
}
Console.WriteLine($"The result is in {fileNameUtf8}\n");
using (FileStream fs = File.OpenRead(fileNameUtf8))
{
//System.Text.Json.JsonException: '0xEF' is invalid after a single JSON value. Expected end of data.
//weatherForecast = await JsonSerializer.DeserializeAsync<WeatherForecast>(fs);
}
// </SnippetDeserialize>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
WeatherForecastWithTemperatureStruct weatherForecast = WeatherForecastFactories.CreateWeatherForecastWithTemperatureStruct();
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
var serializeOptions = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, serializeOptions);
// </SnippetSerialize>
Console.WriteLine($"JSON output:\n{jsonString}\n");
// <SnippetDeserialize>
weatherForecast = JsonSerializer.Deserialize <WeatherForecastWithTemperatureStruct>(jsonString);
weatherForecast.DisplayPropertyValues();
// </SnippetDeserialize>
}
public static void Run()
{
string jsonString;
WeatherForecastWithDictionary weatherForecast = WeatherForecastFactories.CreateWeatherForecastWithDictionary();
weatherForecast.DisplayPropertyValues();
// <Serialize>
var options = new JsonSerializerOptions
{
DictionaryKeyPolicy = JsonNamingPolicy.CamelCase,
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, options);
// </Serialize>
Console.WriteLine($"JSON output:\n{jsonString}\n");
// <Deserialize>
weatherForecast = JsonSerializer.Deserialize <WeatherForecastWithDictionary>(jsonString) !;
// </Deserialize>
weatherForecast !.DisplayPropertyValues();
}
public static async Task RunAsync()
{
string fileName = "WeatherForecastAsync.json";
WeatherForecast weatherForecast = WeatherForecastFactories.CreateWeatherForecast();
weatherForecast.DisplayPropertyValues();
// <SnippetSerialize>
using (FileStream fs = File.Create(fileName))
{
await JsonSerializer.SerializeAsync(fs, weatherForecast);
}
// </SnippetSerialize>
Console.WriteLine($"The result is in {fileName}\n");
// <SnippetDeserialize>
using (FileStream fs = File.OpenRead(fileName))
{
weatherForecast = await JsonSerializer.DeserializeAsync <WeatherForecast>(fs);
}
// </SnippetDeserialize>
weatherForecast.DisplayPropertyValues();
}
public static void Run()
{
string jsonString;
var weatherForecastDerived = WeatherForecastFactories.CreateWeatherForecastDerived();
WeatherForecast weatherForecast = weatherForecastDerived;
weatherForecast.DisplayPropertyValues();
Console.WriteLine("Base class generic type - derived class properties omitted");
// <SerializeDefault>
var options = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize <WeatherForecast>(weatherForecast, options);
// </SerializeDefault>
Console.WriteLine($"JSON output:\n{jsonString}\n");
Console.WriteLine("Object generic type parameter - derived class properties included");
// <SerializeObject>
options = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize <object>(weatherForecast, options);
// </SerializeObject>
Console.WriteLine($"JSON output:\n{jsonString}\n");
Console.WriteLine("GetType() type parameter - derived class properties included");
// <SerializeGetType>
options = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecast, weatherForecast.GetType(), options);
// </SerializeGetType>
Console.WriteLine($"JSON output:\n{jsonString}\n");
Console.WriteLine("Extra properties on interface implementations included only for object properties");
// <SerializeInterface>
var forecasts = new Forecasts
{
Monday = new Forecast
{
Date = DateTime.Parse("2020-01-06"),
TemperatureCelsius = 10,
Summary = "Cool",
WindSpeed = 8
},
Tuesday = new Forecast
{
Date = DateTime.Parse("2020-01-07"),
TemperatureCelsius = 11,
Summary = "Rainy",
WindSpeed = 10
}
};
options = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(forecasts, options);
// </SerializeInterface>
Console.WriteLine($"{jsonString}\n");
WeatherForecastWithPrevious weatherForecastWithPrevious =
WeatherForecastFactories.CreateWeatherForecastWithPrevious();
WeatherForecastWithPreviousAsObject weatherForecastWithPreviousAsObject =
WeatherForecastFactories.CreateWeatherForecastWithPreviousAsObject();
Console.WriteLine("Second level derived class properties included only for object properties");
// <SerializeSecondLevel>
options = new JsonSerializerOptions
{
WriteIndented = true
};
jsonString = JsonSerializer.Serialize(weatherForecastWithPreviousAsObject, options);
// </SerializeSecondLevel>
Console.WriteLine($"JSON output with WindSpeed:\n{jsonString}\n");
jsonString = JsonSerializer.Serialize(
weatherForecastWithPrevious,
options);
Console.WriteLine($"JSON output without WindSpeed:\n{jsonString}\n");
}
