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Handling
Stanislav Molchanovskiy edited this page Jul 17, 2022
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To add your own logic for executing requests, create your own implementation of the IClientHandler interface and pass implementation to the WithHandling method. For example you can implement authentication using handlers:
public class AuthHandler : IClientHandler
{
private readonly IConfiguration _configuration;
public AuthHandler(IConfiguration configuration)
=> _configuration = configuration;
public Task<HttpRequest> HandleRequestAsync(HttpRequest httpRequest, MethodInvocation methodInvocation)
{
httpRequest.AddHeader(name: "Authorization", value: _configuration["token"]);
return Task.FromResult(httpRequest);
}
public Task<IHttpResponse> HandleResponseAsync(IHttpResponse httpResponse, MethodInvocation methodInvocation)
=> Task.FromResult(httpResponse);
}
...
IConfiguration configuration = ...;
IMyClient client = NClientGallery.Clients.GetRest()
.For<IMyClient>(host: "http://localhost:8080")
.WithHandling(new IClientHandler[] { new AuthHandler(configuration) })
.Build();The client can apply handlers in a strictly specified order, for this use IOrderedClientHandler<TRequest, TResponse> interface.