Re: Unmarshalling interceptor

[Sergey Beryozkin]

Hi Marko,

I added those Marshaller & Unmarshaller Listener properties, was not a 
rocket science to do :-), but simplifies things a bit

Cheers, Sergey
On 04/04/12 14:51, Voß, Marko wrote:
Hello Abhishek,

you can use the setProviders()-method on the JAXRSClientFactoryBean if you are 
doing this programmatically.

If you are using the JAXRSClientFactory, there are also create()-methods 
including the providers parameter.

Here is a good site about how to deal with this in any other way:

cxf.apache.org/docs/jax-rs-client-api.html


Hello Sergey,

no problem. :-)


Best regards,

Marko

Am 04.04.2012 13:41, schrieb Abhishek Sharma:
Hi Marko,

Thanks for the help, but I am doing this unmarshalling in webservice client 
created using JAXRSClientFactoryBean.

How can I add providers in the webservice client.

Thanks,
Abhishek

-----Original Message-----
From: Sergey Beryozkin [mailto:sberyoz...@gmail.com]
Sent: Wednesday, April 04, 2012 4:50 PM
To: users@cxf.apache.org
Subject: Re: Unmarshalling interceptor

Hi Marko,

thanks for this tip, it could be an issue to deal with in scope of WS
requests, and CXF JAXB DataBinding used by JAX-WS may already offer such
an option,
however, it's definitely worth updating JAXBElementProvider with the
Listener property :-). it is possibele to set a ValidationEventHandler
on it, but not the Listener

Thanks, Sergey
On 04/04/12 14:12, Voß, Marko wrote:
Hello Abhishek Sharma,

I think this is a JAXB issue. You can register a Listener to the Unmarshaller.

http://docs.oracle.com/javase/6/docs/api/javax/xml/bind/Unmarshaller.html
http://docs.oracle.com/javase/6/docs/api/javax/xml/bind/Unmarshaller.Listener.html

There are also some examples in the Javadoc of the possibilities.

In order to get this working with CXF, you need to extend the 
JAXBElementProvider:

(org.apache.cxf.jaxrs.provider.JAXBElementProvider)

Example:

public class MyJAXBElementProvider extends JAXBElementProvider {

      // override the methods here like:
      protected Unmarshaller createUnmarshaller(Class<?>    cls, Type 
genericType, boolean isCollection) {
        Unmarshaller u = super.createUnmarshaller(cls, genericType, 
isCollection);
        u.setListener(MY_LISTENER);
        return u;
      }
}

Now, register the provider:

<jaxrs:server id="RestServices" address="">
        <jaxrs:providers>
          <ref bean="MyJaxbProvider"/>
        </jaxrs:providers>
</jaxrs:server>


Best regards,

Marko

Am 04.04.2012 12:56, schrieb Abhishek Sharma:
Hi,

I've a requirement when writing a CXF client. In my webservice response I am 
getting a list of myData object.

Now I want some group data by iterating over the entire list. The problem is 
size of the list is high so I don't want to
iterate again.

I know the unmarshaller used by the client is doig the same when converting XML 
to object. If somehow I can intercept
while unmarshal and calculate group data then I don't have to iterate.

I want to see some example code using Unmarshal or Pre_Logical or Post_Logical 
filter.

Thanks,

*Abhishek Sharma**|* -

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Information mbH.
Sitz der Gesellschaft: Eggenstein-Leopoldshafen, Amtsgericht Mannheim HRB 
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-------------------------------------------------------

Fachinformationszentrum Karlsruhe, Gesellschaft für wissenschaftlich-technische 
Information mbH.
Sitz der Gesellschaft: Eggenstein-Leopoldshafen, Amtsgericht Mannheim HRB 
101892.
Geschäftsführerin: Sabine Brünger-Weilandt.
Vorsitzender des Aufsichtsrats: MinDirig Dr. Thomas Greiner.




--
Sergey Beryozkin

Talend Community Coders
http://coders.talend.com/

Blog: http://sberyozkin.blogspot.com