On Dec 8, 2010, at 11:10 AM, stephane.jeanjean_at_orange-ftgroup.com wrote:
> Hi Paul,
>
> Thanks for your answer, Your mail was in the junk folder :(
>
:-)
> My posted code is similar as your proposal with JaxB Management.
>
Yes.
Another way you may be able to support this functionality is to write
a MessageBodyWriter.
I cannot recall if runtime exceptions thrown from a MBW are propagated
(need to look). If so you can implement an MBW for the type non-error
JAXB type and throw a BusinessException. Such a solution is
potentially more reusable.
Paul.
> The way with a filter to change the satus code is smart ! I have to
> think about that.
>
> Stéphane
>
>
> -----Message d'origine-----
> De : Paul Sandoz [mailto:Paul.Sandoz_at_oracle.com]
> Envoyé : mardi 7 décembre 2010 10:04
> À : users_at_jersey.java.net
> Objet : [Jersey] Re: Multiple return type with Jersey and JaxB
>
> Hi Stéphane,
>
> IIUC you are saying that the response status code and/or media type
> cannot be used to distinguish between two or more forms of XML
> content?
>
> There is a way you can do it, but it is slightly complicated due to
> the nature of integrating JAXB.
>
> First, you need to ensure that the media type returned is an XML
> compatible media type.
>
> Second, you need to register a ContextResolver<JAXBContext>
> component for the relevant JAXB classes.
>
> Third, you need to ensure that the return type you use is Object.class
>
> For example,
>
> public class MyContextResolver implements
> ContextResolver<JAXBContext> { ... }
>
>
> ClientConfig cc = new DefaultClientConfig(MyContextResolver.class);
> Client c = Client.create(cc);
>
> WebResource r = ...
> Object o = r.get(Object.class);
> if (o instanceof BusinessObject) {
> } else if (o instanceof ErrorObject) {
> } else {
> // unrecognized type
> }
>
>
> Another way you could do this is to write a client filter to buffer
> the response and peek into the XML message using say StAX to look at
> the root element and from that modify the status code.
>
> Paul.
>
> On Dec 6, 2010, at 6:11 PM, stephane.jeanjean_at_orange-ftgroup.com
> wrote:
>
>> Hi,
>>
>> I'm using Jersey as Client API to call REST Services. I'm using JaxB
>> entities to get the responses.
>> The services return a different entity if there is an error. So I
>> have
>> to 2 JaxB classes with an @XmlRootElement : one for my business class
>> and one for the error. But I don't know how to use 2 classes with
>> Jersey Client API :(
>>
>> Do you have an idea to manage this kind of REST call, please ?
>>
>> I found this topic which is exactly my issue :
>> http://stackoverflow.com/questions/2025997/multiple-return-type-in-
>> jer
>> sey-client-request But I can't change the REST service as proposed in
>> the answer, it's not mine.
>>
>> Thanks,
>>
>> Stéphane
>