Last month we described two new specifications that define the handling of
Web services in J2EE, JSR101/JAX-RPC, and JSR109. Both will be part of the
J2EE 1.4 release, which is scheduled to go public by the end of the summer.
In this article, we will show an example of an implementation of both new
standards, which is provided in the Web Services Tech Preview for WebSphere
Application Server 5.
This tech preview comes as a free download from the Web, giving you a head
start on the new APIs. We will show you two examples, one that takes you
through the creation of a Web service that is offered to external clients,
and a second showing how to develop a client to an existing Web service.
We will assume that you are familiar with the basic Web services technologies
like SOAP and WSDL. See the Resources section at the end for pointers to more
material on those topics. We... (more)
If you follow the latest trends in the software industry, you will have
noticed that Web services technology is getting a lot of attention. While it
is not a completely new thing anymore, more companies are getting serious
about Web services today and putting solutions into production that provide
and/or consume Web services interfaces. One crucial aspect of this is
standardization. The promise of Web services technology is to allow you to
connect applications that were developed on different platforms and in
different programming languages. This can only work if vendors can agre... (more)