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Doug H. Porter

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Unless you have been hiding in a cave for the past couple of years, you are probably well aware of the buzz surrounding service-oriented architecture (SOA). This concept of interaction among loosely coupled collections of components is often implemented through a series of services accessible over HTTP that processes requests and responses (Web services). As a PowerBuilder developer you may be wondering how you can join the SOA party while still leveraging your existing skills. This article will walk you through three techniques available to the PowerBuilder developer (even if you may not be on a currently supported version). Accessing a Web service is very similar to visiting a Web page containing parameters in the URL or submitting a form on a Web page. An HTTP request gets sent to a URL via an HTTP GET or POST along with a set of arguments in the form of name/va... (more)