Okay, I'm now in the pre-flight phase of version two. I'll leave V1 alone for the time being, although I may circle back to it later in order to investigate other pure client-side issues. But I want to get right to the core of what's important to EGl and i, calling business logic on the i. The purpose of V2 is to address the issue that EGL Rich UI requires WebSphere (or some other web application server) to run.
That's simply not the case. Rich UI handles both SOAP and REST service calls, which means that it talks to anything that does either of those. Most platforms can create SOAP services. The problem is that SOAP is over-engineered bloatware; the correct answer is to use REST.
Unfortunately, I don't have any examples of using pure RPG-CGI as either a SOAP service provider or a REST service provider. I could use the wizard provided with the standard i5/OS web administration tool to create a "Web Service Server" but that's still a SOAP service. I'm going to try a sidetrack to write my own code that will provide a simple REST response.
As always I'll be relying on groundwork done by others, in this case I'll probably be reviewing and probably liberally re-engineering code from Craig Pelkie and Scott Klement, as well as making use of Chris Laffra's service monitor. I'll need all the help I can get, because this is completely untraveled territory.
Wish me luck - I'll get back to you in a day or two.