For ease the transition from Drools Flow files to the new BPMN2 standard drools gives you a nice but hidden feature, a XmlBPMNProcessDumper.
This tiny piece takes a RuleFlowProcess instance and spits nice well formed BPMN2 files.
So, for making your life just a little better, I’ve created a project on github exposing this internal piece with a nice interface. Take a look at the class RuleFlow2BPMN2Migrator in
Disclaimer: calling a 7-line class a tool isn’t fair enough, but you know…