identify the file extension using java

Question

i have different format files in DB. i want to copy to my local machine.

how can i identify the file format (doc, xls, etc...)

Regards, krishna

Than

Answer 1

How are the files stored? Do you have filenames with extensions, or just the binary data?

Mime Util has tools to detect format both from extensions and from magic headers, but of course that's never 100%.