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{
"version": 2,
"contentHash": "zjK7PodODLzga3/DZ/KpNgBnT2Hhz0pEtVL3U6wtjVbBeHu1vpu7RmaRuagbfXDzTQOD+6k8FmOBKm/GAOW5QQ==",
"source": "https://api.nuget.org/v3/index.json"
}

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## About
<!-- A description of the package and where one can find more documentation -->
Provides high-performance and low-allocating types that serialize objects to JavaScript Object Notation (JSON) text and deserialize JSON text to objects, with UTF-8 support built-in. Also provides types to read and write JSON text encoded as UTF-8, and to create an in-memory document object model (DOM), that is read-only, for random access of the JSON elements within a structured view of the data.
## Key Features
<!-- The key features of this package -->
* High-performance reader and writer types for UTF-8 encoded JSON.
* A fully-featured JSON serializer for .NET types using reflection or source generated contracts.
* A high-performance read-only JSON DOM (JsonDocument) and a mutable DOM that interoperates with the serializer (JsonNode).
* Built-in support for async serialization, including IAsyncEnumerable support.
* Fully customizable contract model for serializable types.
## How to Use
<!-- A compelling example on how to use this package with code, as well as any specific guidelines for when to use the package -->
The System.Text.Json library is built-in as part of the shared framework in .NET Runtime. The package can be installed when you need to use the most recent version in older target frameworks.
Serialization:
```csharp
using System;
using System.Text.Json;
WeatherForecast forecast = new (DateTimeOffset.Now, 26.6f, "Sunny");
var serialized = JsonSerializer.Serialize(forecast);
Console.WriteLine(serialized);
// {"Date":"2023-08-02T16:01:20.9025406+00:00","TemperatureCelsius":26.6,"Summary":"Sunny"}
var forecastDeserialized = JsonSerializer.Deserialize<WeatherForecast>(serialized);
Console.WriteLine(forecast == forecastDeserialized);
// True
public record WeatherForecast(DateTimeOffset Date, float TemperatureCelsius, string? Summary);
```
Serialization using the source generator:
```csharp
using System.Text.Json;
using System.Text.Json.Serialization;
WeatherForecast forecast = new (DateTimeOffset.Now, 26.6f, "Sunny");
var serialized = JsonSerializer.Serialize(forecast, SourceGenerationContext.Default.WeatherForecast);
Console.WriteLine(serialized);
// {"Date":"2023-08-02T16:01:20.9025406+00:00","TemperatureCelsius":26.6,"Summary":"Sunny"}
var forecastDeserialized = JsonSerializer.Deserialize<WeatherForecast>(serialized, SourceGenerationContext.Default.WeatherForecast);
Console.WriteLine(forecast == forecastDeserialized);
// True
public record WeatherForecast(DateTimeOffset Date, float TemperatureCelsius, string? Summary);
[JsonSourceGenerationOptions(WriteIndented = true)]
[JsonSerializable(typeof(WeatherForecast))]
internal partial class SourceGenerationContext : JsonSerializerContext
{
}
```
Using the JSON DOM:
```csharp
using System;
using System.Text.Json;
using System.Text.Json.Nodes;
string jsonString =
@"{
""Date"": ""2019-08-01T00:00:00"",
""Temperature"": 25,
""Summary"": ""Hot"",
""DatesAvailable"": [
""2019-08-01T00:00:00"",
""2019-08-02T00:00:00""
],
""TemperatureRanges"": {
""Cold"": {
""High"": 20,
""Low"": -10
},
""Hot"": {
""High"": 60,
""Low"": 20
}
}
}
";
JsonNode forecastNode = JsonNode.Parse(jsonString)!;
// Get value from a JsonNode.
JsonNode temperatureNode = forecastNode["Temperature"]!;
Console.WriteLine($"Type={temperatureNode.GetType()}");
Console.WriteLine($"JSON={temperatureNode.ToJsonString()}");
//output:
//Type = System.Text.Json.Nodes.JsonValue`1[System.Text.Json.JsonElement]
//JSON = 25
// Get a typed value from a JsonNode.
int temperatureInt = (int)forecastNode["Temperature"]!;
Console.WriteLine($"Value={temperatureInt}");
//output:
//Value=25
// Get a typed value from a JsonNode by using GetValue<T>.
temperatureInt = forecastNode["Temperature"]!.GetValue<int>();
Console.WriteLine($"TemperatureInt={temperatureInt}");
//output:
//Value=25
// Get a JSON object from a JsonNode.
JsonNode temperatureRanges = forecastNode["TemperatureRanges"]!;
Console.WriteLine($"Type={temperatureRanges.GetType()}");
Console.WriteLine($"JSON={temperatureRanges.ToJsonString()}");
//output:
//Type = System.Text.Json.Nodes.JsonObject
//JSON = { "Cold":{ "High":20,"Low":-10},"Hot":{ "High":60,"Low":20} }
// Get a JSON array from a JsonNode.
JsonNode datesAvailable = forecastNode["DatesAvailable"]!;
Console.WriteLine($"Type={datesAvailable.GetType()}");
Console.WriteLine($"JSON={datesAvailable.ToJsonString()}");
//output:
//datesAvailable Type = System.Text.Json.Nodes.JsonArray
//datesAvailable JSON =["2019-08-01T00:00:00", "2019-08-02T00:00:00"]
// Get an array element value from a JsonArray.
JsonNode firstDateAvailable = datesAvailable[0]!;
Console.WriteLine($"Type={firstDateAvailable.GetType()}");
Console.WriteLine($"JSON={firstDateAvailable.ToJsonString()}");
//output:
//Type = System.Text.Json.Nodes.JsonValue`1[System.Text.Json.JsonElement]
//JSON = "2019-08-01T00:00:00"
// Get a typed value by chaining references.
int coldHighTemperature = (int)forecastNode["TemperatureRanges"]!["Cold"]!["High"]!;
Console.WriteLine($"TemperatureRanges.Cold.High={coldHighTemperature}");
//output:
//TemperatureRanges.Cold.High = 20
// Parse a JSON array
JsonNode datesNode = JsonNode.Parse(@"[""2019-08-01T00:00:00"",""2019-08-02T00:00:00""]")!;
JsonNode firstDate = datesNode[0]!.GetValue<DateTime>();
Console.WriteLine($"firstDate={ firstDate}");
//output:
//firstDate = "2019-08-01T00:00:00"
```
Using the low-level JSON reader/writer types
```csharp
using System;
using System.IO;
using System.Text;
using System.Text.Json;
var writerOptions = new JsonWriterOptions
{
Indented = true
};
using var stream = new MemoryStream();
using var writer = new Utf8JsonWriter(stream, writerOptions);
writer.WriteStartObject();
writer.WriteString("date", DateTimeOffset.Parse("8/2/2023 9:00 AM"));
writer.WriteNumber("temp", 42);
writer.WriteEndObject();
writer.Flush();
var jsonBytes = stream.ToArray();
string json = Encoding.UTF8.GetString(jsonBytes);
Console.WriteLine(json);
// {
// "date": "2023-08-02T09:00:00+00:00"
// "temp": 42
// }
var readerOptions = new JsonReaderOptions
{
AllowTrailingCommas = true,
CommentHandling = JsonCommentHandling.Skip
};
var reader = new Utf8JsonReader(jsonBytes, readerOptions);
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();
}
// StartObject
// PropertyName date
// String 2023-08-02T09:00:00+00:00
// PropertyName temp
// Number 42
// EndObject
```
## Main Types
<!-- The main types provided in this library -->
The main types provided by this library are:
* `System.Text.Json.Utf8JsonWriter`
* `System.Text.Json.Utf8JsonReader`
* `System.Text.Json.JsonSerializer`
* `System.Text.Json.JsonConverter`
* `System.Text.Json.JsonDocument`
* `System.Text.Json.Nodes.JsonNode`
* `System.Text.Json.Serialization.Metadata.JsonTypeInfo`
## Additional Documentation
* [Conceptual documentation](https://learn.microsoft.com/dotnet/standard/serialization/system-text-json/overview)
* [API documentation](https://learn.microsoft.com/dotnet/api/system.text.json)
## Related Packages
<!-- The related packages associated with this package -->
* Lightweight data formats abstraction: [System.Memory.Data](https://www.nuget.org/packages/System.Memory.Data/)
* Serialization of HttpContent: [System.Net.Http.Json](https://www.nuget.org/packages/System.Net.Http.Json/)
## Feedback & Contributing
<!-- How to provide feedback on this package and contribute to it -->
System.Text.Json is released as open source under the [MIT license](https://licenses.nuget.org/MIT). Bug reports and contributions are welcome at [the GitHub repository](https://github.com/dotnet/runtime).

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<?xml version="1.0" encoding="utf-8"?>
<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
<metadata>
<id>System.Text.Json</id>
<version>10.0.0-preview.7.25380.108</version>
<authors>Microsoft</authors>
<license type="expression">MIT</license>
<licenseUrl>https://licenses.nuget.org/MIT</licenseUrl>
<icon>Icon.png</icon>
<readme>PACKAGE.md</readme>
<projectUrl>https://dot.net/</projectUrl>
<description>Provides high-performance and low-allocating types that serialize objects to JavaScript Object Notation (JSON) text and deserialize JSON text to objects, with UTF-8 support built-in. Also provides types to read and write JSON text encoded as UTF-8, and to create an in-memory document object model (DOM), that is read-only, for random access of the JSON elements within a structured view of the data.
The System.Text.Json library is built-in as part of the shared framework in .NET Runtime. The package can be installed when you need to use it in other target frameworks.</description>
<releaseNotes>https://go.microsoft.com/fwlink/?LinkID=799421</releaseNotes>
<copyright>© Microsoft Corporation. All rights reserved.</copyright>
<serviceable>true</serviceable>
<repository type="git" url="https://github.com/dotnet/dotnet" commit="30000d883e06c122311a66894579bc12329a09d4" />
<dependencies>
<group targetFramework=".NETFramework4.6.2">
<dependency id="Microsoft.Bcl.AsyncInterfaces" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
<dependency id="System.IO.Pipelines" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
<dependency id="System.Text.Encodings.Web" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
<dependency id="System.Buffers" version="4.6.1" exclude="Build,Analyzers" />
<dependency id="System.Memory" version="4.6.3" exclude="Build,Analyzers" />
<dependency id="System.Runtime.CompilerServices.Unsafe" version="6.1.2" exclude="Build,Analyzers" />
<dependency id="System.Threading.Tasks.Extensions" version="4.6.3" exclude="Build,Analyzers" />
<dependency id="System.ValueTuple" version="4.6.1" exclude="Build,Analyzers" />
</group>
<group targetFramework="net8.0">
<dependency id="System.IO.Pipelines" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
<dependency id="System.Text.Encodings.Web" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
</group>
<group targetFramework="net9.0">
<dependency id="System.IO.Pipelines" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
<dependency id="System.Text.Encodings.Web" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
</group>
<group targetFramework="net10.0" />
<group targetFramework=".NETStandard2.0">
<dependency id="Microsoft.Bcl.AsyncInterfaces" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
<dependency id="System.IO.Pipelines" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
<dependency id="System.Text.Encodings.Web" version="10.0.0-preview.7.25380.108" exclude="Build,Analyzers" />
<dependency id="System.Buffers" version="4.6.1" exclude="Build,Analyzers" />
<dependency id="System.Memory" version="4.6.3" exclude="Build,Analyzers" />
<dependency id="System.Runtime.CompilerServices.Unsafe" version="6.1.2" exclude="Build,Analyzers" />
<dependency id="System.Threading.Tasks.Extensions" version="4.6.3" exclude="Build,Analyzers" />
</group>
</dependencies>
</metadata>
</package>

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<Project InitialTargets="NETStandardCompatError_System_Text_Json_net462">
<Target Name="NETStandardCompatError_System_Text_Json_net462"
Condition="'$(SuppressTfmSupportBuildWarnings)' == ''">
<Warning Text="System.Text.Json 10.0.0-preview.7.25380.108 doesn't support $(TargetFramework) and has not been tested with it. Consider upgrading your TargetFramework to net462 or later. You may also set &lt;SuppressTfmSupportBuildWarnings&gt;true&lt;/SuppressTfmSupportBuildWarnings&gt; in the project file to ignore this warning and attempt to run in this unsupported configuration at your own risk." />
</Target>
</Project>

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<Project>
<Target Name="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<_System_Text_JsonAnalyzer Include="@(Analyzer)" Condition="'%(Analyzer.NuGetPackageId)' == 'System.Text.Json'" />
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonAnalyzerMultiTargeting"
Condition="'$(SupportsRoslynComponentVersioning)' != 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<!-- Remove our analyzers targeting roslyn4.x -->
<Analyzer Remove="@(_System_Text_JsonAnalyzer)"
Condition="$([System.String]::Copy('%(_System_Text_JsonAnalyzer.Identity)').IndexOf('roslyn4')) &gt;= 0"/>
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonRemoveAnalyzers"
Condition="'$(DisableSystemTextJsonSourceGenerator)' == 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<!-- Remove all our analyzers -->
<ItemGroup>
<Analyzer Remove="@(_System_Text_JsonAnalyzer)" />
</ItemGroup>
</Target>
</Project>

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<Project>
<Target Name="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<_System_Text_JsonAnalyzer Include="@(Analyzer)" Condition="'%(Analyzer.NuGetPackageId)' == 'System.Text.Json'" />
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonAnalyzerMultiTargeting"
Condition="'$(SupportsRoslynComponentVersioning)' != 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<!-- Remove our analyzers targeting roslyn4.x -->
<Analyzer Remove="@(_System_Text_JsonAnalyzer)"
Condition="$([System.String]::Copy('%(_System_Text_JsonAnalyzer.Identity)').IndexOf('roslyn4')) &gt;= 0"/>
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonRemoveAnalyzers"
Condition="'$(DisableSystemTextJsonSourceGenerator)' == 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<!-- Remove all our analyzers -->
<ItemGroup>
<Analyzer Remove="@(_System_Text_JsonAnalyzer)" />
</ItemGroup>
</Target>
</Project>

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<Project InitialTargets="NETStandardCompatError_System_Text_Json_net8_0">
<Target Name="NETStandardCompatError_System_Text_Json_net8_0"
Condition="'$(SuppressTfmSupportBuildWarnings)' == ''">
<Warning Text="System.Text.Json 10.0.0-preview.7.25380.108 doesn't support $(TargetFramework) and has not been tested with it. Consider upgrading your TargetFramework to net8.0 or later. You may also set &lt;SuppressTfmSupportBuildWarnings&gt;true&lt;/SuppressTfmSupportBuildWarnings&gt; in the project file to ignore this warning and attempt to run in this unsupported configuration at your own risk." />
</Target>
</Project>

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<Project>
<Target Name="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<_System_Text_JsonAnalyzer Include="@(Analyzer)" Condition="'%(Analyzer.NuGetPackageId)' == 'System.Text.Json'" />
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonAnalyzerMultiTargeting"
Condition="'$(SupportsRoslynComponentVersioning)' != 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<!-- Remove our analyzers targeting roslyn4.x -->
<Analyzer Remove="@(_System_Text_JsonAnalyzer)"
Condition="$([System.String]::Copy('%(_System_Text_JsonAnalyzer.Identity)').IndexOf('roslyn4')) &gt;= 0"/>
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonRemoveAnalyzers"
Condition="'$(DisableSystemTextJsonSourceGenerator)' == 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<!-- Remove all our analyzers -->
<ItemGroup>
<Analyzer Remove="@(_System_Text_JsonAnalyzer)" />
</ItemGroup>
</Target>
</Project>

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{
"version": 2,
"contentHash": "bAkhgDJ88XTsqczoxEMliSrpijKZHhbJQldhAmObj/RbrN3sU5dcokuXmWJWsdQAhiMJ9bTayWsL1C9fbbCRhw==",
"source": "https://api.nuget.org/v3/index.json"
}

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The MIT License (MIT)
Copyright (c) .NET Foundation and Contributors
All rights reserved.
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.

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## About
<!-- A description of the package and where one can find more documentation -->
Provides high-performance and low-allocating types that serialize objects to JavaScript Object Notation (JSON) text and deserialize JSON text to objects, with UTF-8 support built-in. Also provides types to read and write JSON text encoded as UTF-8, and to create an in-memory document object model (DOM), that is read-only, for random access of the JSON elements within a structured view of the data.
## Key Features
<!-- The key features of this package -->
* High-performance reader and writer types for UTF-8 encoded JSON.
* A fully-featured JSON serializer for .NET types using reflection or source generated contracts.
* A high-performance read-only JSON DOM (JsonDocument) and a mutable DOM that interoperates with the serializer (JsonNode).
* Built-in support for async serialization, including IAsyncEnumerable support.
* Fully customizable contract model for serializable types.
## How to Use
<!-- A compelling example on how to use this package with code, as well as any specific guidelines for when to use the package -->
The System.Text.Json library is built-in as part of the shared framework in .NET Runtime. The package can be installed when you need to use the most recent version in older target frameworks.
Serialization:
```csharp
using System;
using System.Text.Json;
WeatherForecast forecast = new (DateTimeOffset.Now, 26.6f, "Sunny");
var serialized = JsonSerializer.Serialize(forecast);
Console.WriteLine(serialized);
// {"Date":"2023-08-02T16:01:20.9025406+00:00","TemperatureCelsius":26.6,"Summary":"Sunny"}
var forecastDeserialized = JsonSerializer.Deserialize<WeatherForecast>(serialized);
Console.WriteLine(forecast == forecastDeserialized);
// True
public record WeatherForecast(DateTimeOffset Date, float TemperatureCelsius, string? Summary);
```
Serialization using the source generator:
```csharp
using System.Text.Json;
using System.Text.Json.Serialization;
WeatherForecast forecast = new (DateTimeOffset.Now, 26.6f, "Sunny");
var serialized = JsonSerializer.Serialize(forecast, SourceGenerationContext.Default.WeatherForecast);
Console.WriteLine(serialized);
// {"Date":"2023-08-02T16:01:20.9025406+00:00","TemperatureCelsius":26.6,"Summary":"Sunny"}
var forecastDeserialized = JsonSerializer.Deserialize<WeatherForecast>(serialized, SourceGenerationContext.Default.WeatherForecast);
Console.WriteLine(forecast == forecastDeserialized);
// True
public record WeatherForecast(DateTimeOffset Date, float TemperatureCelsius, string? Summary);
[JsonSourceGenerationOptions(WriteIndented = true)]
[JsonSerializable(typeof(WeatherForecast))]
internal partial class SourceGenerationContext : JsonSerializerContext
{
}
```
Using the JSON DOM:
```csharp
using System;
using System.Text.Json;
using System.Text.Json.Nodes;
string jsonString =
@"{
""Date"": ""2019-08-01T00:00:00"",
""Temperature"": 25,
""Summary"": ""Hot"",
""DatesAvailable"": [
""2019-08-01T00:00:00"",
""2019-08-02T00:00:00""
],
""TemperatureRanges"": {
""Cold"": {
""High"": 20,
""Low"": -10
},
""Hot"": {
""High"": 60,
""Low"": 20
}
}
}
";
JsonNode forecastNode = JsonNode.Parse(jsonString)!;
// Get value from a JsonNode.
JsonNode temperatureNode = forecastNode["Temperature"]!;
Console.WriteLine($"Type={temperatureNode.GetType()}");
Console.WriteLine($"JSON={temperatureNode.ToJsonString()}");
//output:
//Type = System.Text.Json.Nodes.JsonValue`1[System.Text.Json.JsonElement]
//JSON = 25
// Get a typed value from a JsonNode.
int temperatureInt = (int)forecastNode["Temperature"]!;
Console.WriteLine($"Value={temperatureInt}");
//output:
//Value=25
// Get a typed value from a JsonNode by using GetValue<T>.
temperatureInt = forecastNode["Temperature"]!.GetValue<int>();
Console.WriteLine($"TemperatureInt={temperatureInt}");
//output:
//Value=25
// Get a JSON object from a JsonNode.
JsonNode temperatureRanges = forecastNode["TemperatureRanges"]!;
Console.WriteLine($"Type={temperatureRanges.GetType()}");
Console.WriteLine($"JSON={temperatureRanges.ToJsonString()}");
//output:
//Type = System.Text.Json.Nodes.JsonObject
//JSON = { "Cold":{ "High":20,"Low":-10},"Hot":{ "High":60,"Low":20} }
// Get a JSON array from a JsonNode.
JsonNode datesAvailable = forecastNode["DatesAvailable"]!;
Console.WriteLine($"Type={datesAvailable.GetType()}");
Console.WriteLine($"JSON={datesAvailable.ToJsonString()}");
//output:
//datesAvailable Type = System.Text.Json.Nodes.JsonArray
//datesAvailable JSON =["2019-08-01T00:00:00", "2019-08-02T00:00:00"]
// Get an array element value from a JsonArray.
JsonNode firstDateAvailable = datesAvailable[0]!;
Console.WriteLine($"Type={firstDateAvailable.GetType()}");
Console.WriteLine($"JSON={firstDateAvailable.ToJsonString()}");
//output:
//Type = System.Text.Json.Nodes.JsonValue`1[System.Text.Json.JsonElement]
//JSON = "2019-08-01T00:00:00"
// Get a typed value by chaining references.
int coldHighTemperature = (int)forecastNode["TemperatureRanges"]!["Cold"]!["High"]!;
Console.WriteLine($"TemperatureRanges.Cold.High={coldHighTemperature}");
//output:
//TemperatureRanges.Cold.High = 20
// Parse a JSON array
JsonNode datesNode = JsonNode.Parse(@"[""2019-08-01T00:00:00"",""2019-08-02T00:00:00""]")!;
JsonNode firstDate = datesNode[0]!.GetValue<DateTime>();
Console.WriteLine($"firstDate={ firstDate}");
//output:
//firstDate = "2019-08-01T00:00:00"
```
Using the low-level JSON reader/writer types
```csharp
using System;
using System.IO;
using System.Text;
using System.Text.Json;
var writerOptions = new JsonWriterOptions
{
Indented = true
};
using var stream = new MemoryStream();
using var writer = new Utf8JsonWriter(stream, writerOptions);
writer.WriteStartObject();
writer.WriteString("date", DateTimeOffset.Parse("8/2/2023 9:00 AM"));
writer.WriteNumber("temp", 42);
writer.WriteEndObject();
writer.Flush();
var jsonBytes = stream.ToArray();
string json = Encoding.UTF8.GetString(jsonBytes);
Console.WriteLine(json);
// {
// "date": "2023-08-02T09:00:00+00:00"
// "temp": 42
// }
var readerOptions = new JsonReaderOptions
{
AllowTrailingCommas = true,
CommentHandling = JsonCommentHandling.Skip
};
var reader = new Utf8JsonReader(jsonBytes, readerOptions);
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();
}
// StartObject
// PropertyName date
// String 2023-08-02T09:00:00+00:00
// PropertyName temp
// Number 42
// EndObject
```
## Main Types
<!-- The main types provided in this library -->
The main types provided by this library are:
* `System.Text.Json.Utf8JsonWriter`
* `System.Text.Json.Utf8JsonReader`
* `System.Text.Json.JsonSerializer`
* `System.Text.Json.JsonConverter`
* `System.Text.Json.JsonDocument`
* `System.Text.Json.Nodes.JsonNode`
* `System.Text.Json.Serialization.Metadata.JsonTypeInfo`
## Additional Documentation
* [Conceptual documentation](https://learn.microsoft.com/dotnet/standard/serialization/system-text-json/overview)
* [API documentation](https://learn.microsoft.com/dotnet/api/system.text.json)
## Related Packages
<!-- The related packages associated with this package -->
* Lightweight data formats abstraction: [System.Memory.Data](https://www.nuget.org/packages/System.Memory.Data/)
* Serialization of HttpContent: [System.Net.Http.Json](https://www.nuget.org/packages/System.Net.Http.Json/)
## Feedback & Contributing
<!-- How to provide feedback on this package and contribute to it -->
System.Text.Json is released as open source under the [MIT license](https://licenses.nuget.org/MIT). Bug reports and contributions are welcome at [the GitHub repository](https://github.com/dotnet/runtime).

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<?xml version="1.0" encoding="utf-8"?>
<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
<metadata>
<id>System.Text.Json</id>
<version>8.0.4</version>
<authors>Microsoft</authors>
<license type="expression">MIT</license>
<licenseUrl>https://licenses.nuget.org/MIT</licenseUrl>
<icon>Icon.png</icon>
<readme>PACKAGE.md</readme>
<projectUrl>https://dot.net/</projectUrl>
<description>Provides high-performance and low-allocating types that serialize objects to JavaScript Object Notation (JSON) text and deserialize JSON text to objects, with UTF-8 support built-in. Also provides types to read and write JSON text encoded as UTF-8, and to create an in-memory document object model (DOM), that is read-only, for random access of the JSON elements within a structured view of the data.
The System.Text.Json library is built-in as part of the shared framework in .NET Runtime. The package can be installed when you need to use it in other target frameworks.</description>
<releaseNotes>https://go.microsoft.com/fwlink/?LinkID=799421</releaseNotes>
<copyright>© Microsoft Corporation. All rights reserved.</copyright>
<serviceable>true</serviceable>
<repository type="git" url="https://github.com/dotnet/runtime" commit="2aade6beb02ea367fd97c4070a4198802fe61c03" />
<dependencies>
<group targetFramework=".NETFramework4.6.2">
<dependency id="Microsoft.Bcl.AsyncInterfaces" version="8.0.0" exclude="Build,Analyzers" />
<dependency id="System.Text.Encodings.Web" version="8.0.0" exclude="Build,Analyzers" />
<dependency id="System.Buffers" version="4.5.1" exclude="Build,Analyzers" />
<dependency id="System.Memory" version="4.5.5" exclude="Build,Analyzers" />
<dependency id="System.Runtime.CompilerServices.Unsafe" version="6.0.0" exclude="Build,Analyzers" />
<dependency id="System.Threading.Tasks.Extensions" version="4.5.4" exclude="Build,Analyzers" />
<dependency id="System.ValueTuple" version="4.5.0" exclude="Build,Analyzers" />
</group>
<group targetFramework="net6.0">
<dependency id="System.Text.Encodings.Web" version="8.0.0" exclude="Build,Analyzers" />
<dependency id="System.Runtime.CompilerServices.Unsafe" version="6.0.0" exclude="Build,Analyzers" />
</group>
<group targetFramework="net7.0">
<dependency id="System.Text.Encodings.Web" version="8.0.0" exclude="Build,Analyzers" />
</group>
<group targetFramework="net8.0">
<dependency id="System.Text.Encodings.Web" version="8.0.0" exclude="Build,Analyzers" />
</group>
<group targetFramework=".NETStandard2.0">
<dependency id="Microsoft.Bcl.AsyncInterfaces" version="8.0.0" exclude="Build,Analyzers" />
<dependency id="System.Text.Encodings.Web" version="8.0.0" exclude="Build,Analyzers" />
<dependency id="System.Buffers" version="4.5.1" exclude="Build,Analyzers" />
<dependency id="System.Memory" version="4.5.5" exclude="Build,Analyzers" />
<dependency id="System.Runtime.CompilerServices.Unsafe" version="6.0.0" exclude="Build,Analyzers" />
<dependency id="System.Threading.Tasks.Extensions" version="4.5.4" exclude="Build,Analyzers" />
</group>
</dependencies>
</metadata>
</package>

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<Project InitialTargets="NETStandardCompatError_System_Text_Json_net462">
<Target Name="NETStandardCompatError_System_Text_Json_net462"
Condition="'$(SuppressTfmSupportBuildWarnings)' == ''">
<Warning Text="System.Text.Json 8.0.4 doesn't support $(TargetFramework) and has not been tested with it. Consider upgrading your TargetFramework to net462 or later. You may also set &lt;SuppressTfmSupportBuildWarnings&gt;true&lt;/SuppressTfmSupportBuildWarnings&gt; in the project file to ignore this warning and attempt to run in this unsupported configuration at your own risk." />
</Target>
</Project>

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<Project>
<Target Name="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<_System_Text_JsonAnalyzer Include="@(Analyzer)" Condition="'%(Analyzer.NuGetPackageId)' == 'System.Text.Json'" />
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonAnalyzerMultiTargeting"
Condition="'$(SupportsRoslynComponentVersioning)' != 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<!-- Remove our analyzers targeting roslyn4.x -->
<Analyzer Remove="@(_System_Text_JsonAnalyzer)"
Condition="$([System.String]::Copy('%(_System_Text_JsonAnalyzer.Identity)').IndexOf('roslyn4')) &gt;= 0"/>
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonRemoveAnalyzers"
Condition="'$(DisableSystemTextJsonSourceGenerator)' == 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<!-- Remove all our analyzers -->
<ItemGroup>
<Analyzer Remove="@(_System_Text_JsonAnalyzer)" />
</ItemGroup>
</Target>
</Project>

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<Project>
<Target Name="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<_System_Text_JsonAnalyzer Include="@(Analyzer)" Condition="'%(Analyzer.NuGetPackageId)' == 'System.Text.Json'" />
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonAnalyzerMultiTargeting"
Condition="'$(SupportsRoslynComponentVersioning)' != 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<!-- Remove our analyzers targeting roslyn4.x -->
<Analyzer Remove="@(_System_Text_JsonAnalyzer)"
Condition="$([System.String]::Copy('%(_System_Text_JsonAnalyzer.Identity)').IndexOf('roslyn4')) &gt;= 0"/>
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonRemoveAnalyzers"
Condition="'$(DisableSystemTextJsonSourceGenerator)' == 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<!-- Remove all our analyzers -->
<ItemGroup>
<Analyzer Remove="@(_System_Text_JsonAnalyzer)" />
</ItemGroup>
</Target>
</Project>

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<Project InitialTargets="NETStandardCompatError_System_Text_Json_net6_0">
<Target Name="NETStandardCompatError_System_Text_Json_net6_0"
Condition="'$(SuppressTfmSupportBuildWarnings)' == ''">
<Warning Text="System.Text.Json 8.0.4 doesn't support $(TargetFramework) and has not been tested with it. Consider upgrading your TargetFramework to net6.0 or later. You may also set &lt;SuppressTfmSupportBuildWarnings&gt;true&lt;/SuppressTfmSupportBuildWarnings&gt; in the project file to ignore this warning and attempt to run in this unsupported configuration at your own risk." />
</Target>
</Project>

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<Project>
<Target Name="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<_System_Text_JsonAnalyzer Include="@(Analyzer)" Condition="'%(Analyzer.NuGetPackageId)' == 'System.Text.Json'" />
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonAnalyzerMultiTargeting"
Condition="'$(SupportsRoslynComponentVersioning)' != 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<ItemGroup>
<!-- Remove our analyzers targeting roslyn4.x -->
<Analyzer Remove="@(_System_Text_JsonAnalyzer)"
Condition="$([System.String]::Copy('%(_System_Text_JsonAnalyzer.Identity)').IndexOf('roslyn4')) &gt;= 0"/>
</ItemGroup>
</Target>
<Target Name="_System_Text_JsonRemoveAnalyzers"
Condition="'$(DisableSystemTextJsonSourceGenerator)' == 'true'"
AfterTargets="ResolvePackageDependenciesForBuild;ResolveNuGetPackageAssets"
DependsOnTargets="_System_Text_JsonGatherAnalyzers">
<!-- Remove all our analyzers -->
<ItemGroup>
<Analyzer Remove="@(_System_Text_JsonAnalyzer)" />
</ItemGroup>
</Target>
</Project>

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n4fuKjm6T2AqKz7HWEuKosA6f22x4wP0giTbwTndvzyxAZC+BO/h0VkrC/Wy/Zf22PiP1JKkX3eLhP0+YTrLAA==