Thanks Jorg, Is there any way we can disable activate button for few users?

On click of Activate button i need to call some other customized workflow, Where do i need to do the modifications, Which are the files involved in this in cq5 version 6.

I am trying to hit URL in cq Author instance from my standalone code. URL looks like - http://<somehost>:<someport>//libs/dam/gui/content/reports/export.jsonBelow is the code -          URL url = new URL(newPath);            HttpURLConnection connection = (HttpURLConnection) url                    ....