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cashwu/Global Error Handling in ASP.NET Core 8.cs

Created December 4, 2023 02:28
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Global Error Handling in ASP.NET Core 8.cs
internal sealed class GlobalExceptionHandler : IExceptionHandler
{
private readonly ILogger<GlobalExceptionHandler> _logger;
public GlobalExceptionHandler(ILogger<GlobalExceptionHandler> logger)
{
_logger = logger;
}
public async ValueTask<bool> TryHandleAsync(
HttpContext httpContext,
Exception exception,
CancellationToken cancellationToken)
{
_logger.LogError(
exception, "Exception occurred: {Message}", exception.Message);
var problemDetails = new ProblemDetails
{
Status = StatusCodes.Status500InternalServerError,
Title = "Server error"
};
httpContext.Response.StatusCode = problemDetails.Status.Value;
await httpContext.Response
.WriteAsJsonAsync(problemDetails, cancellationToken);
return true;
}
}
public class Programs
{
builder.Services.AddExceptionHandler<GlobalExceptionHandler>();
builder.Services.AddProblemDetails();
app.UseExceptionHandler();
}
----
internal sealed class BadRequestExceptionHandler : IExceptionHandler
{
private readonly ILogger<BadRequestExceptionHandler> _logger;
public GlobalExceptionHandler(ILogger<BadRequestExceptionHandler> logger)
{
_logger = logger;
}
public async ValueTask<bool> TryHandleAsync(
HttpContext httpContext,
Exception exception,
CancellationToken cancellationToken)
{
if (exception is not BadRequestException badRequestException)
{
return false;
}
_logger.LogError(
badRequestException,
"Exception occurred: {Message}",
badRequestException.Message);
var problemDetails = new ProblemDetails
{
Status = StatusCodes.Status400BadRequest,
Title = "Bad Request",
Detail = badRequestException.Message
};
httpContext.Response.StatusCode = problemDetails.Status.Value;
await httpContext.Response
.WriteAsJsonAsync(problemDetails, cancellationToken);
return true;
}
}
internal sealed class NotFoundExceptionHandler : IExceptionHandler
{
private readonly ILogger<NotFoundExceptionHandler> _logger;
public GlobalExceptionHandler(ILogger<NotFoundExceptionHandler> logger)
{
_logger = logger;
}
public async ValueTask<bool> TryHandleAsync(
HttpContext httpContext,
Exception exception,
CancellationToken cancellationToken)
{
if (exception is not NotFoundException notFoundException)
{
return false;
}
_logger.LogError(
notFoundException,
"Exception occurred: {Message}",
notFoundException.Message);
var problemDetails = new ProblemDetails
{
Status = StatusCodes.Status404NotFound,
Title = "Not Found",
Detail = notFoundException.Message
};
httpContext.Response.StatusCode = problemDetails.Status.Value;
await httpContext.Response
.WriteAsJsonAsync(problemDetails, cancellationToken);
return true;
}
}
public class Programs
{
builder.Services.AddExceptionHandler<BadRequestExceptionHandler>();
builder.Services.AddExceptionHandler<NotFoundExceptionHandler>();
builder.Services.AddProblemDetails();
app.UseExceptionHandler();
}
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