public ApiExceptionHandlerMiddleware(
RequestDelegate next,
IOptions <ApiExceptionHandlerOptions> options,
ILoggerFactory loggerFactory,
IHostingEnvironment hostingEnvironment)
{
this.next = next ?? throw new ArgumentNullException(nameof(next));
this.options = options?.Value ?? throw new ArgumentException(nameof(options));
logger = loggerFactory.CreateLogger <ApiExceptionHandlerMiddleware>();
// If displaying the stack trace option has not been provided, default to true if development, false otherwise
doIncludeDebugInfo = this.options.IncludeDebugInfo.HasValue ?
this.options.IncludeDebugInfo.Value :
hostingEnvironment.IsDevelopment();
}
/// <summary>
/// Adds middleware that will handle exceptions for requests and return an object with the exception data.
/// </summary>
/// <param name="app"></param>
/// <param name="options"></param>
/// <returns></returns>
public static IApplicationBuilder UseApiExceptionHandler(this IApplicationBuilder app, ApiExceptionHandlerOptions options)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
return(app.UseMiddleware <ApiExceptionHandlerMiddleware>(Options.Create(options)));
}