here is my +1
Chathura
> +1,
> welcome Dennis :-)
>
> - Ruchith
>
> On 8/19/05, Davanum Srinivas <[EMAIL PROTECTED]> wrote:
>> Team,
>> Dennis has been a long time contributor to Axis...Let's welcome him
>> with open arms to Axis2.
>>
>> Here's my +1 to Dennis for Axis2 committer.
>>
>> thanks,
>> dims
>>
>>
>> On 8/18/05, Dennis Sosnoski <[EMAIL PROTECTED]> wrote:
>> > I've been having some off-list email exchanges on the issues of better
>> > tools for going between Java and XML. This is relevant to both
>> > start-from-Java approaches to web services, and handling schema
>> > versioning. Since these issues are important for Axis2 I'll get this
>> > thread going here, assuming nobody objects to us using the Axis2 list
>> > for this purpose. I'm copying the jibx-devs list on my own emails on
>> > this topic just so that people monitoring that list are also aware of
>> > the discussion.
>> >
>> > While we have a number of tools for generating Java object models to
>> > (more or less) match a schema, most of these tools either cannot work
>> > with pre-existing Java classes or can only work with existing classes
>> > using their own built-in correspondences. This limitation makes it
>> very
>> > difficult for users to take a start-from-Java approach to developing
>> web
>> > services, since the users then have little or no control over the
>> > schemas used by the web service (as seen with the JAX-RPC 1.0-style
>> > doc/lit mapping). It also makes it very difficult for users to work
>> with
>> > evolving schemas, since their data model will need to be regenerated
>> > every time the schema changes. Because of this, users often end up
>> > writing a translation layer into their applications to take the data
>> > from the schema-centric model and convert it into structures actually
>> > used by their main application code.
>> >
>> > There are some libraries which provide more flexible conversions
>> between
>> > Java and XML, including Betwixt as well as my own JiBX framework. JAXB
>> > 2.0 is also taking steps in this direction. The subject of the email
>> > exchanges has been the desirability of better GUI tools for working
>> with
>> > frameworks which support such flexible conversions.
>> >
>> > Betwixt seems to offer very good support for starting from basics and
>> > refining the mapping as you go. It basically offers defaults for
>> > everything, then lets you override the defaults. JiBX takes almost the
>> > opposite approach, requiring the user to specify everything (though
>> > there is a tool which will generate a default binding automatically,
>> > with a variety of overrides). I can certainly see the benefits to
>> > providing a tool that allows an interactive approach to building a
>> JiBX
>> > binding, basically starting with Betwixt-like defaults and allowing
>> > overrides at every step of the way down to a detailed JiBX binding.
>> The
>> > way I envision it this should show sample XML output (or the current
>> > schema, for those developers able to understand schemas) at every step
>> > of the way - when you change the binding, you immediately get the
>> change
>> > reflected in the schema/sample XML. Ideally you should even be able to
>> > go the other way - modify the schema, and have the binding
>> automatically
>> > reflect the change (or replace the schema with a new version, and have
>> > the binding adjust as best it can and then flag the mismatches). I've
>> > been adding hooks to JiBX for some time with the intent of moving it
>> in
>> > this direction.
>> >
>> > Much of the off-list discussion has revolved around the possibility of
>> > building a generic tool of this type, one able to work with different
>> > frameworks. On thinking it over, it seems to me that at least the
>> > general framework of the tool should be reusable - say the IDE
>> > integration and XML/schema display and manipulation. That would leave
>> > the need to write plugins for each binding framework to handle XML
>> > instance and schema generation from a binding and set of classes, and
>> to
>> > handle editing the actual binding definition (in whatever form that
>> > takes - an XML file for Betwixt and JiBX, annotations for JAXB, etc.).
>> >
>> > What do people think of this? Anyone want to jump right in and start
>> > putting this together? ;-)
>> >
>> > - Dennis
>> >
>>
>>
>> --
>> Davanum Srinivas : http://wso2.com/ - Oxygenating The Web Service
>> Platform
>>
>
>
> --
> Ruchith
>
>
