Create formated PDF document from java

We have a requirement to produce a PDF document of some online survey results. The PDF document will include different paragraphs and some pie charts depending on simple algorithms based on the results. (e.g if x> y then insert paragraph x) We are unsure of which technology to use, Jasper Reports, native iText or FOP or indeed something else. We require help in selecting the solution and implementing a simple demo app. The demo app will be just a stand alone java app. ## Deliverables The survey results are simply four variables ABCD which will have values of 0-100. Depending on the values of these numbers a document needs to be built and exported to a PDF file. The final location for the code will be a web server that will write the file to disk for future download. For this project we just require a simple java app to prove the technology works. In addition to inserting different paragraphs the application will have to generate pie charts to insert into the document. Out initial thoughts were that this could be jFreechart or something. The final fiddley requirement is that the pie charts must be rotated and certain pies exploded depending on the results. E.g If A is the biggest score rotate the Pie so that the A pie is at 90 degrees and the pies for B and C are exploded outwards. I have attached a rather confusing diagram from one of our clients. I hope it adds more information * * *This broadcast message was sent to all bidders on Wednesday Mar 19, 2008 3:32:39 AM: Hi Guys Thanks for your comments. From the discussions I think I need to be more specific with the requirement. I will try and edit this over the next couple of days. Too buy you see that is why a need a coder!!! * * *This broadcast message was sent to all bidders on Wednesday Apr 2, 2008 6:06:34 AM: Hi All Apologies for the lack of replies on this bid. We are SERIOUS but the client is changing things quite a bit and we have a meeting on Monday to review requirements. Regards Richard Spence