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https://issues.apache.org/jira/browse/CXF-4799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13574487#comment-13574487
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Sergey Beryozkin commented on CXF-4799:
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OK, I'll give it another try a bit later and do an end to end test.
Auto-discovery via the class path scanning is not supported yet, and in this
case it won't be of use anyway as one needs to set an extra property
> Parameterized Classes should be automatically added to JAXBContext
> ------------------------------------------------------------------
>
> Key: CXF-4799
> URL: https://issues.apache.org/jira/browse/CXF-4799
> Project: CXF
> Issue Type: Improvement
> Components: JAX-RS
> Affects Versions: 2.7.2
> Reporter: Sambit Dikshit
>
> We are using a payload type which is a parameterized generic. For example,
> ServiceResponse<T> {
> T payload;
> public T getPayload() {
> return T
> }
> public void setPayload(T t){
> this.payload = t;
> }
> We are using this as a payload wrapper for JAXRS services. The payload can
> be any type at runtime. Unless we set the extraClass, the JAXBContext created
> in AbstractJAXBProvider is not picking up the actual parameter types. I was
> thinking of extending to add to existing jaxb context map, i could not since
> its a private scoped hashmap. This should be automatically handled in
> AbstractJAXBProvider class. Following check can be made and added for actual
> type.
> ParameterizedType paramType = (genericType instanceof ParameterizedType) ?
> (ParameterizedType) genericType: null;
> if (paramType.getActualTypeArguments().length > 0) {
> // Fetch the actual type at index 0
> actualWrapperParamType = InjectionUtils.getType(
> paramType.getActualTypeArguments(), 0);
> Class<?> actualWrapperClass =
> InjectionUtils.getActualType(actualWrapperParamType);
>
> This actual class type check can be done inside getJAXBContext. This will do
> automatic deep check and setting into JAXB context only for custom payload
> types.
> Or else expose the jaxb context map to be accessible when extend
> AbstractJAXBprovider or JAXBElementProvider.
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