Using a UI different from WebDynPro for Human activity forms

Hi Forum Dwellers
I am currently investigating the possibility of porting our product to use NetWeaver components. Specifically, we currently use TIBCO iProcess for our workflow/bpm engine. We already have a UI with custom forms that go with the steps (SAP: human activity) in each procedure (SAP: process). We would like to keep our UI with its custom forms and rip iProcess out and replace it with NetWeaver BPM. We interact with iProcess using the Java API that comes with it and hope to do the same with NetWeaver BPM through the UWL.
After playing with Process Composer in CE for a while I've come to the conclusion that it is not possible to specify a different UI to use. Or even to not specify a UI at all. Only WebDynPro appears to be supported. Is this correct?
With iProcess I can build the forms in anything, like VB, or VC++, or Java Swing, or, as we eventually did - in TIBCO General Interface.
I've downloaded and installed SAP NetWeaver Developer Studio 7.1 with EHP1 for my investigation.
Regards,
Johan Hoogenboezem

Hi Martin
Thank you for your reply. I'm starting to think I asked the wrong question, though. The focus needs to be on an API. SAP doesn't need to support another ui for NetWeaver BPM. Instead, there should be a comprehensive API for the NetWeaver BPM engine. That way the question about a different UI becomes irelevant. We need an API through which processes can be started, attributes can be retrieved and updated, tasks can be completed and processes can be moved along to the next activities. We also need to be able to retrieve all the tasks for a group of users, or for a single user. etc. etc. etc. Some of these requirements are already satisfied by the UWL api, but some are not. In addition to that, the UWL may be too general.
An API like this is pivotal. It will determine whether we can port our product to NetWeaver or not. We cannot afford to rewrite the UI.
Oh, one more thing, for goodness sake, NO WEB SERVICES! This should be a server-side or standalone Java API.
Regards
Johan Hoogenboezem

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