How to create documents based on templates (Java Open Source)?

Question

Java

What format to take as a basis? What are the standards for documents, sizes, fonts?
JasperReport is crooked. RTF is not enough. OpenOffice is good. But what is the best way to convert to PDF and DOC?
There is a good option jodconverter, but it does not suit you that you need to separately install OpenOffice and configure TCP. Can OpenOffice, the part that is needed to convert text documents, be stuffed into a jar?

Answer 1

If one PDF is enough, then look at apache fop

Answer 2

text? With Word formats, everything is pretty bad. You can see RTFTemplate.