Hi Anil,

The Data binding frameworks come into picture when you are generating the Java 
code artifacts from WSDL. If you observe the "wsdl2java" command there is a 
command line argument namely "-d" with which you can specify the Data binding 
framework which you want to use. In case u want to use JiBX you would be 
specifying something like 

$> wsdl2java -o /outputDir -d jibx -EbindingFile /resources/jibxbindingFile.xml 
-uri MyWebService.wsdl

The above command is just for making things more simpler. Also if there are no 
schema references in the WSDL or if the WSDL is not having any schema types 
then the Data binding framework would not be coming into picture. (Others 
Please correct me if I am wrong.)

You would just be deciding which Data binding framework you should be using. 
AXIS 2 would internally be using the same and generating the Java classes for 
you. Do not get confused by the approach which you are choosing to build the 
web service and the data binding framework. The data binding framework is just 
to map the schema which is defined in the WSDL to Java classes. Thats the only 
purpose of the data binding framework. 

Using POJO's for web services means you would be writing a POJO class which 
would be capturing all the information you need for invoking the particular web 
service operation. For example if you see the AddressBookService in the AXIS 2 
samples you can see that the addEntry method takes in a POJO as its input 
parameter namely Entry.


Regarding your second question I am not able to understand it correctly.  

Also the flow which you have mentioned from the Client to the Service is 
correct and it would remain the same for any Web service for that matter i.e. 
not only AXIS 2 but any web service which is developed using any other 
framework.

Hope that answers your queries.


Regards

Nilesh

----- Original Message ----
From: Anil VVNN <[EMAIL PROTECTED]>
To: [email protected]
Sent: Monday, March 26, 2007 7:56:35 PM
Subject: Re: [Axis2] AXIOM or JBIX


Hi Niles,

Thanks for answering my questions. As I said I'm a beginner, I have few more
questions related to previous one.

(1) When exactly do we use Binding frameworks (JIBX, ADB or XMLBeans) ? 
For instance, the examples given in Axis2 website (i.e. StockQuoteService)
referring to simple method call, client calling WS for "getPrice/update"
operations but there's no XSD involved, I think this kind of operations can
be easily accomplished using POJO option. But I'm confused when to use POJO
or anyother Binding framework(JIBX).

(2) What is the difference between "XML Processing Model" and "SOAP
Processing Model", when do we use these models independently.

To my understanding, this is the typical flow of Axis2 services,

Client ----calls---> Stub (generated by wsdl2java) ----calls[SOAP
request]---> Skeleton Interface (generated by wsdl2java) -->Business Logic

And this SOAP request can be handled using any transport (eg. TCP, JMS etc.)

Please correct me if I'm wrong. Thanks.

- Anil


Nilesh Ghorpade wrote:
> 
> Hi,
> 
> As per my understanding AXIS 2 uses AXIOM API's internally for any XML
> related activities. Hence as you have mentioned that you are confused to
> choose between POJO, AXIOM, JIBX, ADB or XMLBeans, the AXIOM is an invalid
> option here.
> 
> Secondly in AXIS 2 you can create web services using either the Spring
> Framework or POJO. 
> 
> JiBX, XMLBeans and ADB are more related to the data binding frameworks
> which AXIS 2 supports. Hence it depends on your schema on which data
> binding framework you would want to select. As per my knowledge XMLBeans
> is the best when it comes to complex schemas. This is because XMLBeans
> implementation can understand all the XSD (i.e. schema) constructs.
> 
> To answer your second question, the answer is YES. If you want to use the
> wsdl2java command from AXIS2 for generating your stubs and skeletons you
> will need the WSDL. Generating a WSDL is also not a diccficult task. YOu
> can have your SEI defined i.e. the Service Endpoint Interface with all the
> method signatures which you want to expose as web service operations. On
> executing the java2wsdl command from AXIS2 you would be able to get the
> WSDL. And using this WSDL you can generate the remaining artifacts of your
> web service. WSDL is nothing but an interface and hence even if you have
> defined an interface in Java, you can generate a WSDL from it.
> 
> 
> Hope that answers your queries.
> 
> 
> Regards
> 
> Niles
> 
> ----- Original Message ----
> From: Martin Gainty <[EMAIL PROTECTED]>
> To: [email protected]
> Sent: Monday, March 26, 2007 3:15:01 AM
> Subject: Re: [Axis2] AXIOM or JBIX
> 
> 
> Anil-
> 
> I found this whitepaper quite informative
> SAX2 processes fastest..with DOM bein
> http://www.mail-archive.com/[email protected]/msg01044.html
> 
> FWIW,
> M--
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> ----- Original Message ----- 
> From: "Anil" <[EMAIL PROTECTED]>
> To: <[email protected]>
> Sent: Sunday, March 25, 2007 4:37 PM
> Subject: [Axis2] AXIOM or JBIX
> 
> 
>> Hi,
>> 
>> I'm new to Axis2, what is the criteria to choose
>> between POJO, AXIOM, JIBX, ADB or XMLBeans. How do we
>> decide architecture wise. 
>> 
>> My second question is, is wsdl file mandatory to
>> create stub and skeleton interfaces or can we use just
>> skeleton file to create wsdl file. 
>> 
>> Thanks.
>> 
>> 
>> 
>> ____________________________________________________________________________________
>> Bored stiff? Loosen up... 
>> Download and play hundreds of games for free on Yahoo! Games.
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>> 
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>>
> 
> 
>  
> ____________________________________________________________________________________
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