What is XSL-FO?
XSL-FO is a language for formatting XML data. In the case of Oracle APEX it is used for converting data to PDF files. Here you can find a good XSL-FO tutorial
What is Apache FOP?
Apache FOP is an engine that processes XSL-FO files. APEX sends the data to the print server in XML format and Apache FOP converts it to PDF.
What is the role of the J4L FO Designer?
The designer is a visual tool for creating XSL-FO files. You can use it without previous knowledge of XSL-FO. It has been developed for Apache FOP.
What additional features are supported by the J4L FOP ?
See here
Do I have to use the FOP J4L Server as print server?
No, you have the following options:
- Use Oracle ORDS (*)
- Use our own standalone server
- Use our PDF generation service
- Use your current print server, as long as it uses Apache FOP (*)
* In this case you cannot use the extended features