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From Serafin Sedano <serafin.sed...@abiquo.com>
Subject Re: custom exception mappers and core exceptions/errors
Date Wed, 23 May 2012 13:33:54 GMT
As I said our requirements was quite different. But in case you could not
achieve it with just exceptionMapper (which I don't know) I let you know
how our custom solution could help you.

Regards.

Serafín.

2012/5/23 Anton Piatek1 <anton.piatek@uk.ibm.com>

> So you couldn't do it just in an exceptionMapper? I was hoping to avoid
> having to rewrite too much of the core wink dispatcher, but it sounds like
> you went in deep and extended the internals.
>
> Surely there must be a way to achieve this without having to extend the
> RequestProcessor and DeploymentConfiguration.
>
> Regards,
>
> Anton
>
>
>
> From:        Serafin Sedano <serafin.sedano@abiquo.com>
> To:        wink-user@incubator.apache.org,
> Date:        23/05/2012 14:21
> Subject:        Re: custom exception mappers and core exceptions/errors
> ------------------------------
>
>
>
> Hi,
>
> We've done something similar.
>
> We extended RequestProcessor and DeploymentConfiguration. Then in the
> constructor ExtendedRequestProcessor we set our
> ExtendedDeploymentConfiguration.
>
> What did the trick for us was to extend the ResourceRegistry and add it in
> the ExtendedDeploymentConfiguration. This ExtendedResourceRegistry has
> the findMethod and findSubResourceMethod custom implementation that allows
> the throw of our own Exception.
>
> Regards.
>
> Serafín.
>
> 2012/5/23 Anton Piatek1 <*anton.piatek@uk.ibm.com*<anton.piatek@uk.ibm.com>
> >
> I am trying to use a custom exception mapper to format all exceptions into
> my desired xml/json types depending on the content type.
>
> I am handling my own exceptions happily and returning the http status code
> I want, and the right xml/json response with the right helper messages, but
> when it comes trying to catch wink errors such as a url/method/body being
> wrong and not matching a handler I am struggling. I want to handle these
> myself because wink does not format them into xml/json, and if it did,
> would still be choosing its own format rather than mine.
>
> I have an exceptionMapper which handles WebApplicationException but from
> the exception I get there, I cannot figure out how to get a description of
> the cause. I can get the stack, which normally isn't helpful, and I can get
> the http status code from the response, but trying to get a string saying
> "there is no handler for method PUT on resource /wibble/" seems to be
> impossible.
>
> Has anyone attempted this? Did you find a solution?
>
> The closest I can get is parsing the http status code and writing a
> description stream for each, but then I have to parse the Request object to
> work out what the user called. I would have thought wink has already done
> some of this for me.
>
> Anton
>
>
>  ------------------------------
> *
> *
> *Unless stated otherwise above:
> IBM United Kingdom Limited - Registered in England and Wales with number
> 741598.
> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
> *
>
>
>
>
>
>
>
>
> --
> Serafín Sedano | Software Engineer | Abiquo |  | *
> serafin.sedano@abiquo.com* <serafin.sedano@abiquo.com>
>
>
>
>  ------------------------------
>
> *
> *
>
> *Unless stated otherwise above:
> IBM United Kingdom Limited - Registered in England and Wales with number
> 741598.
> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
> *
>
>
>
>
>
>
>


-- 
Serafín Sedano | Software Engineer | Abiquo |  | serafin.sedano@abiquo.com

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