[jira] Issue Comment Edited: (WINK-218) GenericEntity's generic type is not used when choosing provider.

["Michael Elman (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WINK-218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12768131#action_12768131 ] 

Michael Elman edited comment on WINK-218 at 10/21/09 8:49 AM:
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Does XAtomEntry have JAXB annotations?
I'm asking, since the JAXB annotations are not automatically inherited.

      was (Author: elman):
    Does XAtomEntry have JAXB annotations?

  
> GenericEntity's generic type is not used when choosing provider.
> ----------------------------------------------------------------
>
>                 Key: WINK-218
>                 URL: https://issues.apache.org/jira/browse/WINK-218
>             Project: Wink
>          Issue Type: Bug
>          Components: Common
>    Affects Versions: 0.2
>            Reporter: Kaloyan Kolev
>
> I have created a subclass of the AtomEntry, let's say XAtomEntry. When I return that as an entity resource I get exception that there is no provider for that type. The exception is thrown by FlushResultHandler. I tried to wrap the new type in a GenericEntity with a generic type set to AtomEntry, but the result was the same.
> Here is the check for the GenericEntity:
> {code}
>  Class<?> rawType = null;
>         if (entity instanceof GenericEntity) {
>             GenericEntity<?> genericEntity = (GenericEntity<?>)entity; 
>             entity = genericEntity.getEntity(); // this is the XAtomEntity instance
>             rawType = genericEntity.getRawType(); // this is the  XAtomEntity class
>             genericType = genericEntity.getType(); // this is the AtomEntity class
>         } else {
>             rawType = (entity != null ? entity.getClass() : null);
>             if (isOriginalEntityResponseObj) {
>                 genericType = rawType;
>             } else {
>                 genericType = (genericType != null ? genericType : rawType);
>             }
>         }
> {code}
> This should match the default JAXBXmlProvider, right? 
> Later a provider is searched for:
> {code}
> // get the provider to write the entity
>         Providers providers = context.getProviders();
>         MessageBodyWriter<Object> messageBodyWriter =
>             (MessageBodyWriter<Object>)providers.getMessageBodyWriter(rawType,
>                                                                       genericType,
>                                                                       declaredAnnotations,
>                                                                       responseMediaType);
> {code}
> Here the messageBodyWriter is set to null.

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