/// <summary>
/// Builds the <see cref="WebApplicationHost"/>.
/// </summary>
/// <returns>A configured <see cref="WebApplicationHost"/>.</returns>
public WebApplicationHost Build()
{
WebApplicationHost sourcePipeline = null;
_hostBuilder.ConfigureWebHostDefaults(web =>
{
_webHostBuilder.ExecuteActions(web);
web.Configure(destinationPipeline =>
{
// The endpoints were already added on the outside
if (sourcePipeline.DataSources.Count > 0)
{
// The user did not register the routing middleware so wrap the entire
// destination pipeline in UseRouting() and UseEndpoints(), essentially:
// destination.UseRouting()
// destination.Run(source)
// destination.UseEndpoints()
if (sourcePipeline.RouteBuilder == null)
{
destinationPipeline.UseRouting();
// Copy the route data sources over to the destination pipeline, this should be available since we just called
// UseRouting()
var routes = (IEndpointRouteBuilder)destinationPipeline.Properties[WebApplicationHost.EndpointRouteBuilder];
foreach (var ds in sourcePipeline.DataSources)
{
routes.DataSources.Add(ds);
}
// Chain the execution of the source pipeline into the destination pipeline
destinationPipeline.Use(next =>
{
sourcePipeline.Run(next);
return(sourcePipeline.Build());
});
// Add a UseEndpoints at the end
destinationPipeline.UseEndpoints(e => { });
}
else
{
// Since we register routes into the source pipeline's route builder directly,
// if the user called UseRouting, we need to copy the data sources
foreach (var ds in sourcePipeline.DataSources)
{
sourcePipeline.RouteBuilder.DataSources.Add(ds);
}
// We then implicitly call UseEndpoints at the end of the pipeline
sourcePipeline.UseEndpoints(_ => { });
// Wire the source pipeline to run in the destination pipeline
destinationPipeline.Run(sourcePipeline.Build());
}
}
else
{
// Wire the source pipeline to run in the destination pipeline
destinationPipeline.Run(sourcePipeline.Build());
}
// Copy the properties to the destination app builder
foreach (var item in sourcePipeline.Properties)
{
destinationPipeline.Properties[item.Key] = item.Value;
}
});
});
_hostBuilder.ConfigureServices(services =>
{
foreach (var s in Services)
{
services.Add(s);
}
});
_hostBuilder.ConfigureAppConfiguration(builder =>
{
foreach (var s in Configuration.Sources)
{
builder.Sources.Add(s);
}
});
_hostBuilder.ConfigureHostConfiguration(builder =>
{
foreach (var s in HostConfiguration.Sources)
{
builder.Sources.Add(s);
}
});
var host = _hostBuilder.Build();
return(sourcePipeline = new WebApplicationHost(host));
}
public WebApplicationHost Build()
{
WebApplicationHost sourcePipeline = null;
_hostBuilder.ConfigureWebHostDefaults(web =>
{
if (_urls != null)
{
web.UseUrls(_urls);
}
web.Configure(destinationPipeline =>
{
// The endpoints were already added on the outside
if (sourcePipeline.DataSources.Count > 0)
{
// The user did not register the routing middleware
if (sourcePipeline.RouteBuilder == null)
{
// Add the routing middleware first
destinationPipeline.UseRouting();
// Copy the routes over
var routes = (IEndpointRouteBuilder)destinationPipeline.Properties[WebApplicationHost.EndpointRouteBuilder];
foreach (var ds in sourcePipeline.DataSources)
{
routes.DataSources.Add(ds);
}
// Chain the pipeline
destinationPipeline.Use(next =>
{
sourcePipeline.Run(next);
return(sourcePipeline.Build());
});
destinationPipeline.UseEndpoints(e => { });
}
else
{
foreach (var ds in sourcePipeline.DataSources)
{
sourcePipeline.RouteBuilder.DataSources.Add(ds);
}
sourcePipeline.UseEndpoints(_ => { });
destinationPipeline.Run(sourcePipeline.Build());
}
}
foreach (var item in sourcePipeline.Properties)
{
destinationPipeline.Properties[item.Key] = item.Value;
}
});
});
_hostBuilder.ConfigureServices(services =>
{
foreach (var s in Services)
{
services.Add(s);
}
});
_hostBuilder.ConfigureAppConfiguration(builder =>
{
foreach (var s in Configuration.Sources)
{
builder.Sources.Add(s);
}
});
_hostBuilder.ConfigureHostConfiguration(builder =>
{
foreach (var s in HostConfiguration.Sources)
{
builder.Sources.Add(s);
}
});
var host = _hostBuilder.Build();
return(sourcePipeline = new WebApplicationHost(host));
}