I need to upload a file in the admin interface and process it afterwards, without saving it. It's a XML file that contains some fields to create new DataObjects. Ok, so I'll need a FileField in my getCMSFields(), but how do I tell it to call a given method of my Page to process the file there?
In addition, I'll need a way to display some feedback - whether the file has been imported successfully or there have been some errors.
Since there haven't been any comments y will talk about my current approach: