mirror of https://github.com/knative/docs.git
53 lines
1.9 KiB
C#
53 lines
1.9 KiB
C#
/*
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Copyright 2020 The Knative Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Threading.Tasks;
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using CloudNative.CloudEvents;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Primitives;
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namespace CloudEventsSample
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{
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/// <summary>
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/// CloudEvents SDK doesn't provide any helpers to respond back with IActionResult.
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/// This helper class wraps CloudEventContent in IActionResult.
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/// </summary>
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public class CloudEventActionResult : IActionResult
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{
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private readonly HttpStatusCode statusCode;
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private readonly CloudEventContent content;
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public CloudEventActionResult(HttpStatusCode statusCode, CloudEventContent content)
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{
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this.statusCode = statusCode;
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this.content = content;
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}
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public async Task ExecuteResultAsync(ActionContext context)
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{
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context.HttpContext.Response.StatusCode = (int)this.statusCode;
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foreach (var header in this.content.Headers)
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{
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context.HttpContext.Response.Headers.TryAdd(header.Key, new StringValues(header.Value.ToArray()));
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}
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await using var stream = await this.content.ReadAsStreamAsync();
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await stream.CopyToAsync(context.HttpContext.Response.Body);
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await context.HttpContext.Response.Body.FlushAsync();
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}
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}
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}
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