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From "Raj Anand (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CXF-4849) WebClient needs to support JAX-RS 2.0 GenericType
Date Mon, 25 Feb 2013 13:14:12 GMT

    [ https://issues.apache.org/jira/browse/CXF-4849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585844#comment-13585844
] 

Raj Anand edited comment on CXF-4849 at 2/25/13 1:12 PM:
---------------------------------------------------------

Sergey,

I tried this feature with CXF 2.7.4-SNAPSHOT version and got the following exception when
trying to fetch the payload(generic type) from the response(which is a parameterized class
, ServiceResponse<T>) 

java.lang.ClassCastException: com.sun.org.apache.xerces.internal.dom.ElementNSImpl cannot
be cast to examples.service.Book.

Here Book is the payload class(Generic Type).

Following is the snippet of the code I am using,

GenericType<ServiceResponse<Book>> genericResponseType = new GenericType<ServiceResponse<Book>>()
{};
ServiceResponse<Book> res = webclient.get(genericResponseType);
...
assertFalse(!res.getPayload()); //throws ClassCastException as, res.getPayload is of type
Book, but at runtime its replaced by ElementNSImpl

ServiceResponse is the parameterized class with Book as payload.

Let me know if something is missing or erroneous here.

-Raj Anand
                
      was (Author: raj.anand):
    Sergey,

I tried this feature with CXF 2.7.4-SNAPSHOT version and got the following exception when
trying to fetch the payload(generic type) from the response(which is a parameterized class
, ServiceResponse<T>) .

java.lang.ClassCastException: com.sun.org.apache.xerces.internal.dom.ElementNSImpl cannot
be cast to examples.service.Book.

Here Book is the payload class(Generic Type).

Following is the snippet of the code I am using,

GenericType<ServiceResponse<Book>> genericResponseType = new GenericType<ServiceResponse<Book>>()
{};
ServiceResponse<Book> res = webclient.get(genericResponseType);
...
assertFalse(!res.getPayload()); //throws ClassCastException as, res.getPayload is of type
Book, but at runtime its replaced by ElementNSImpl

ServiceResponse is the parameterized class with Book as payload.

Let me know if something is missing or erroneous here.

-Raj Anand
                  
> WebClient needs to support JAX-RS 2.0 GenericType
> -------------------------------------------------
>
>                 Key: CXF-4849
>                 URL: https://issues.apache.org/jira/browse/CXF-4849
>             Project: CXF
>          Issue Type: Improvement
>          Components: JAX-RS
>            Reporter: Sergey Beryozkin
>            Assignee: Sergey Beryozkin
>             Fix For: 2.8.0, 2.7.4
>
>
> This is useful for processing generic responses, example,
> {code:java}
> GenericType<List<Book>> genericResponseType = new GenericType<List<Book>>()
{};
> List<Book> books = webClient.get(genericResponseType);
> // or
> List<Book> books = webClient.post(someObject, genericResponseType);
> {code}

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