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JSON

The ABP Framework provides an abstraction to work with JSON. Having such an abstraction has some benefits;

  • You can write library independent code. Therefore, you can change the underlying library with the minimum effort and code change.
  • You can use the predefined converters defined in the ABP without worrying about the underlying library's internal details.

The JSON serialization system is implemented with the Volo.Abp.Json NuGet package. Most of the time, you don't need to manually install it since it comes pre-installed with the application startup template.

IJsonSerializer

You can inject IJsonSerializer and use it for JSON operations. Here is the available operations in the IJsonSerializer interface.

public interface IJsonSerializer
{
    string Serialize(object obj, bool camelCase = true, bool indented = false);
    T Deserialize<T>(string jsonString, bool camelCase = true);
    object Deserialize(Type type, string jsonString, bool camelCase = true);
}

Usage Example:

public class ProductManager
{
    public IJsonSerializer JsonSerializer { get; }

    public ProductManager(IJsonSerializer jsonSerializer)
    {
        JsonSerializer = jsonSerializer;
    }

    public void SendRequest(Product product)
    {
        var json=  JsonSerializer.Serialize(product);
        // Left blank intentionally for demo purposes...
    }
}

Configuration

AbpJsonOptions

AbpJsonOptions type provides options for the JSON operations in the ABP Framework.

Properties:

  • DefaultDateTimeFormat(string): Default DateTime format.
  • UseHybridSerializer(bool): True by default. Boolean field indicating whether the ABP Framework uses the hybrid approach or not. If the field is true, it will try to use System.Json.Text to handle JSON if it can otherwise use the Newtonsoft.Json.
  • Providers(ITypeList<IJsonSerializerProvider>): List of JSON serializer providers implementing the IJsonSerializerProvider interface. You can create and add custom serializers to the list, and the ABP Framework uses them automatically. When the Serialize or Deserialize method is called on the IJsonSerializer interface, the ABP Framework calls the CanHandle methods of the given providers in reverse order and uses the first provider that returns true to do the JSON operation.

AbpSystemTextJsonSerializerOptions

AbpSystemTextJsonSerializerOptions provides options for System.Text.Json usage.

Properties:

  • JsonSerializerOptions(System.Text.Json.JsonSerializerOptions): Global options for System.Text.Json library operations. See here for reference.
  • UnsupportedTypes(ITypeList): List of the unsupported types. You can add types of the unsupported types to the list and, the hybrid JSON serializer automatically uses the Newtonsoft.Json library instead of System.Text.Json.

Contributors


Last updated: May 07, 2021 Edit this page on GitHub

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