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DevX: Extend Your J2EE Applications into Web Services

Apr 12, 2004, 08:30 (0 Talkback[s])
(Other stories by Raghu Donepudi)

"Many view Web services as the backbone to a new generation of cross-platform, cross-language distributed computing applications. In fact, Sun defines Web services as 'a well-defined, modular, encapsulated function used for loosely coupled integration between applications or systems components.'

"This industry buzz explains why many businesses want to extend their existing J2EE applications to Web services applications, which would allow them to leverage the functionality of J2EE while reaping the benefits of Web services. To that end, Apache's latest SOAP engine, Apache eXtensible Interaction System (Axis), not only enables developers to build new Web service applications from scratch but also provides the infrastructure to publish existing Java classes as Web services.

"This article demonstrates how to create a Web service application from an existing J2EE application using Oracle OC4J J2EE application server and Apache Axis. With downloadable source code, it provides a step-by-step tutorial for building a simple J2EE application and then Web-service enabling it with Axis..."

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