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From Nino Saturnino Martinez Vazquez Wael <nino.marti...@jayway.dk>
Subject Re: Restful web services usage [WAS : JAXB Unmarshalling]
Date Wed, 19 Dec 2007 11:47:50 GMT
Hi Eric

First of all, I must confess that im pretty new to all this webservice 
stuff. I found a blog about restful web services that describes howto 
interact with them:

http://blog.jonudell.net/2007/05/24/restful-web-services/

But you want a kind of client interface for that aswell?

regards Nino

Eric Le Goff wrote:
> Sergey,
>
> I must admit my question was badly asked. Actually I am wondering how
> I could use restful web-services if clients only get an XML
> representation of the Object they request ?
> I am not using SOAP, nor any WSDL description.
>
> I expected to be able to get a kind of "stub" object on client side
> (may be thanks to a sort of "unmarshalling" of this XML I get from the
> server)
>
> The CXF Jaxrs demo piece of code I have shown in my previous mail only
> shows how to display an XML representation of Customer with Id 123
> which is fine. But in my case, I would like to manipulate an actual
> Customer stub instance, so that I can call methods on it and do
> interesting things with what the server has sent to me.
>
> I might be confused because so far I was using Hessian
> (http://hessian.caucho.com/) where their binary protocol allow a web
> service client to get an actual instance of the object they request.
>
> I might be totally wrong about Restful web services, and I realize
> that it may totally absurd to have the same behaviour with REST as
> what I had  with Hessian.
>
> My question is more general :
> How do Clients of Restful webservices get a concrete use of the XML
> content they receive from the server ?
> (I guess people just don't print out this XML on console :) but I
> suppose they have to parse it/ unmarshall it  in some way ?)
>
>
>
> PS :I don't know about WADL , so please excuse my ignorance.
>
> Thanks for helping anyway ;)
>
> Eric
>
>
>
>
>
>
> On Dec 19, 2007 11:54 AM, Sergey Beryozkin <sergey.beryozkin@iona.com> wrote:
>   
>> Hi
>>
>> I'm wondering, are you actually asking for a code generation be done on a client
side with the help of a description language like WSDL 2.0 or WADL ?
>>
>> Cheers, Sergey
>>
>>
>>
>> ----- Original Message -----
>> From: "Eric Le Goff" <elegoff@gmail.com>
>> To: <cxf-user@incubator.apache.org>
>> Sent: Tuesday, December 18, 2007 4:34 PM
>> Subject: JAXB Unmarshalling
>>
>>
>>     
>>> I am going on playing with the restful_jaxrs sample demo
>>>
>>>
>>> In the Client.java there are these lines
>>>
>>> ...
>>> URL url = new URL("http://localhost:9000/customerservice/customers/123");
>>>        InputStream in = url.openStream();
>>>        System.out.println(getStringFromInputStream(in));
>>> ....
>>>
>>>
>>> What if I did not want to display the XML content (ie the XML
>>> representation of customer whose Id is 123)
>>> But rather I would like to get the actual instance of Customer with id is 123
>>>
>>> Is there some Unmarshalling method to do that , something like
>>>
>>> ...
>>> URL url = new URL("http://localhost:9000/customerservice/customers/123");
>>>        InputStream in = url.openStream();
>>>
>>> // Hypothetic code
>>> Customer customer = (Customer) getObjectFromInputStream(in);
>>> ...
>>>
>>> How would I implement this
>>>
>>> Object getObjectFromInputStream(InputStream in)
>>>
>>> method ?
>>>
>>> I guess I would have to get a JaxbContext before I can get an Unmarshaller ?
>>>
>>>
>>> Thanks for your help
>>>
>>> Eric
>>>
>>>
>>>
>>>
>>> --
>>> Eric Le Goff
>>>       
>> ----------------------------
>> IONA Technologies PLC (registered in Ireland)
>> Registered Number: 171387
>> Registered Address: The IONA Building, Shelbourne Road, Dublin 4, Ireland
>>
>>     
>
>
>
>   

-- 
Nino Martinez Wael
Java Specialist @ Jayway DK
http://www.jayway.dk
+45 2936 7684


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