How to read and save *.doc file in Java Programatically?

I am developing a online Content Management site.In which I want to allow user to upload their articles via a doc file.so, now i want to rea开发者_如何学Cd text from that text file and if user want they can save their articles to a doc file.so, kindly tell me which API to use for this functionalities.It is preferred to have free API.but all suggestions are welcomed.

Thank YOU.

You're probably looking for POI

See http://poi.apache.org/

EDIT: specifically you want http://poi.apache.org/hwpf/index.html (the word document portion of the project)