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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Diagnostics;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
namespace Microsoft.AspNetCore.Diagnostics;
/// <summary>
/// Captures synchronous and asynchronous exceptions from the pipeline and generates error responses.
/// </summary>
public class DeveloperExceptionPageMiddleware
{
private readonly DeveloperExceptionPageMiddlewareImpl _innerMiddlewareImpl;
/// <summary>
/// Initializes a new instance of the <see cref="DeveloperExceptionPageMiddleware"/> class
/// </summary>
/// <param name="next">The <see cref="RequestDelegate"/> representing the next middleware in the pipeline.</param>
/// <param name="options">The options for configuring the middleware.</param>
/// <param name="loggerFactory">The <see cref="ILoggerFactory"/> used for logging.</param>
/// <param name="hostingEnvironment"></param>
/// <param name="diagnosticSource">The <see cref="DiagnosticSource"/> used for writing diagnostic messages.</param>
/// <param name="filters">The list of registered <see cref="IDeveloperPageExceptionFilter"/>.</param>
public DeveloperExceptionPageMiddleware(
RequestDelegate next,
IOptions<DeveloperExceptionPageOptions> options,
ILoggerFactory loggerFactory,
IWebHostEnvironment hostingEnvironment,
DiagnosticSource diagnosticSource,
IEnumerable<IDeveloperPageExceptionFilter> filters)
{
_innerMiddlewareImpl = new(
next,
options,
loggerFactory,
hostingEnvironment,
diagnosticSource,
filters,
new DummyMeterFactory(),
problemDetailsService: null);
}
/// <summary>
/// Process an individual request.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public Task Invoke(HttpContext context)
=> _innerMiddlewareImpl.Invoke(context);
}
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