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From "Sergey Beryozkin (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CXF-4799) Parameterized Classes should be automatically added to JAXBContext
Date Tue, 19 Feb 2013 10:45:17 GMT

     [ https://issues.apache.org/jira/browse/CXF-4799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Beryozkin resolved CXF-4799.
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 2.7.4
                   2.8.0
         Assignee: Sergey Beryozkin
    
> 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
>            Assignee: Sergey Beryozkin
>             Fix For: 2.8.0, 2.7.4
>
>
> 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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