Re: [Resteasy-developers] Rest-Easy Client-side interceptors

[Weinan L. <we...@re...>]

Hi Ori, 

Maybe you could try to use Exception Mapper: http://docs.jboss.org/resteasy/docs/2.3.4.Final/userguide/html_single/#ExceptionHandling 

-- 
Weinan Li
JBoss, Red Hat


On Monday, October 29, 2012 at 5:22 PM, Ori Liel wrote:

> Hi, 
> 
> I have a small problem I could use some help with. 
> 
> When a user POSTs a request with an empty body, he gets 400 Bad Request with "SAXParseException; Premature end of file..." (since POST expects body). I'd like to show a friendlier message in the response body, something like: "POST request may not have empty body". 
> 
> Question 1: I'm looking for an interception point that will enable me to check if the user POSTed a request with an empty body. 
> 
> I tried using MessageBodyReaderInterceptor, but it appears that I don't have access to the Request object from the MessageBodyReaderContext object (am I wrong?) Then I noticed that ClientExecutionInterceptor seems to fit my needs, and wrote an interceptor that implements it - but the flow never reached it. 
> 
> Question 2: What are resteasy client interceptors, and how are they invoked? 
> 
> I'll elaborate a bit on the second question. Basically I'm not clear who is the 'client'. I always thought of client as the browser (or 'curl') making the http request, and resteasy runs server-side and handles the requests. So what does 'client' interceptor mean? When is a client interceptor invoked, and where does it run? Can I see it when debugging the server? Sorry for the very open question, but I'm missing something fundamental here...
> 
> Thanks, 
> 
> Ori. 
> 
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