aspnetcore/src/Microsoft.AspNetCore.Signal.../JsonProtocolDependencyInjec...

38 lines
1.9 KiB
C#

using System;
using Microsoft.AspNetCore.SignalR;
using Microsoft.AspNetCore.SignalR.Internal.Protocol;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
namespace Microsoft.Extensions.DependencyInjection
{
public static class JsonProtocolDependencyInjectionExtensions
{
/// <summary>
/// Enables the JSON protocol for SignalR.
/// </summary>
/// <remarks>
/// This has no effect if the JSON protocol has already been enabled.
/// </remarks>
/// <param name="builder">The <see cref="ISignalRBuilder"/> representing the SignalR server to add JSON protocol support to.</param>
/// <returns>The value of <paramref name="builder"/></returns>
public static ISignalRBuilder AddJsonProtocol(this ISignalRBuilder builder) => AddJsonProtocol(builder, _ => { });
/// <summary>
/// Enables the JSON protocol for SignalR and allows options for the JSON protocol to be configured.
/// </summary>
/// <remarks>
/// Any options configured here will be applied, even if the JSON protocol has already been registered with the server.
/// </remarks>
/// <param name="builder">The <see cref="ISignalRBuilder"/> representing the SignalR server to add JSON protocol support to.</param>
/// <param name="configure">A delegate that can be used to configure the <see cref="JsonHubProtocolOptions"/></param>
/// <returns>The value of <paramref name="builder"/></returns>
public static ISignalRBuilder AddJsonProtocol(this ISignalRBuilder builder, Action<JsonHubProtocolOptions> configure)
{
builder.Services.TryAddEnumerable(ServiceDescriptor.Singleton<IHubProtocol, JsonHubProtocol>());
builder.Services.Configure(configure);
return builder;
}
}
}