/// <summary>
/// Adds a middleware to the pipeline that will catch exceptions, log them, reset the request path, and re-execute the request.
/// The request will not be re-executed if the response has already started.
/// </summary>
/// <param name="app"></param>
/// <param name="errorHandlingPath"></param>
/// <returns></returns>
public static IApplicationBuilder UseErrorHandler(this IApplicationBuilder app, string errorHandlingPath)
{
var options = new ErrorHandlerOptions()
{
ErrorHandlingPath = new PathString(errorHandlingPath)
};
return app.UseMiddleware<ErrorHandlerMiddleware>(options);
}
public ErrorHandlerMiddleware(RequestDelegate next, ILoggerFactory loggerFactory, ErrorHandlerOptions options)
{
_next = next;
_options = options;
_logger = loggerFactory.CreateLogger<ErrorHandlerMiddleware>();
if (_options.ErrorHandler == null)
{
_options.ErrorHandler = _next;
}
}
public ErrorHandlerMiddleware(RequestDelegate next, ILoggerFactory loggerFactory, ErrorHandlerOptions options)
{
_next = next;
_options = options;
_logger = loggerFactory.Create <ErrorHandlerMiddleware>();
if (_options.ErrorHandler == null)
{
_options.ErrorHandler = _next;
}
}
/// <summary>
/// Adds a middleware to the pipeline that will catch exceptions, log them, and re-execute the request in an alternate pipeline.
/// The request will not be re-executed if the response has already started.
/// </summary>
/// <param name="app"></param>
/// <param name="configure"></param>
/// <returns></returns>
public static IApplicationBuilder UseErrorHandler(this IApplicationBuilder app, Action<IApplicationBuilder> configure)
{
var subAppBuilder = app.New();
configure(subAppBuilder);
var errorPipeline = subAppBuilder.Build();
var options = new ErrorHandlerOptions()
{
ErrorHandler = errorPipeline
};
return app.UseMiddleware<ErrorHandlerMiddleware>(options);
}
public ErrorHandlerMiddleware(RequestDelegate next, ILoggerFactory loggerFactory, ErrorHandlerOptions options)
{
_next = next;
_options = options;
_logger = loggerFactory.CreateLogger <ErrorHandlerMiddleware>();
if (_options.ErrorHandler == null)
{
_options.ErrorHandler = _next;
}
_clearCacheHeadersDelegate = ClearCacheHeaders;
}
