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Hands-On RESTful Web Services with ASP.NET Core 3
book

Hands-On RESTful Web Services with ASP.NET Core 3

by Samuele Resca
December 2019
Intermediate to advanced content levelIntermediate to advanced
510 pages
11h 33m
English
Packt Publishing
Content preview from Hands-On RESTful Web Services with ASP.NET Core 3

Altering exceptions

Another common use for filters is changing the response of a specific request. Filters are handy in these cases because they can only be applied to particular action methods. Some services need to return a custom format to the client, for example, when they are used by a legacy system that only accepts a specific format or when they need to provide a response that's been wrapped by a particular envelope. ASP.NET Core provides the IExceptionFilter interface for this, which allows us to overload the exceptions and send a custom response to the client.

Furthermore, if an exception is thrown, it follows two different behaviors, depending on the environment. If the API triggers an exception and it is running in a development ...

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Publisher Resources

ISBN: 9781789537611Supplemental Content