Re: [Resteasy-developers] Exception handling

[Ryan J. M. <ry...@da...>]

Christian,

I'll take a look at these once I wrap up the JAXB/JSON changes which I  
hope to complete this week.

Ryan-

On Aug 15, 2008, at 1:42 AM, Christian Bauer wrote:

>
>> Probably the best solution would be to implement ExceptionMapper
>> handling in Resteasy as some kind of filter I could enable/disable/
>> extend.
>
> Some pseudo code to illustrate this, current situation:
>
> // Wrap in RESTEasy contexts
> try {
> ResteasyProviderFactory.pushContext(HttpServletRequest.class,
> request);
> ...
> // Wrap in Seam contexts
> new ContextualHttpServletRequest(request) {
>    UriInfoImpl uriInfo = // Do stuff
>    dispatcher.getDispatcher().invoke(in, theResponse);
> }
>
> } finally {
> ResteasyProviderFactory.clearContextData();
> }
>
> Ideally I would get access to the ExceptionMapper invocation like
> this, the exception needs to bubble out of dispatcher.invoke():
>
> // Wrap in RESTEasy contexts
> try {
> ResteasyProviderFactory.pushContext(HttpServletRequest.class,
> request);
> ...
> // Wrap in Seam contexts
> new ContextualHttpServletRequest(request) {
>    UriInfoImpl uriInfo = // Do stuff
>    dispatcher.getDispatcher().invoke(in, theResponse);
> }
> } catch (Exception ex) {
> return exceptionMapper.getResponse(ex);
> } finally {
> ResteasyProviderFactory.clearContextData();
> }
>
> Anything else is going to be significantly more effort to integrate
> into the Seam filter/call stack.
>
>
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