parse file

Hello,I want to Parse a doc/odt file and extract text with a particular font tag, convert this text using our converter and then put back the converted unicode text into o/p file in place of the extracted fileand rest of the file remains intact.
[266 byte] By [indictransa] at [2007-11-27 8:26:30]
# 1
http://forum.java.sun.com/ann.jspa?annID=14
ejpa at 2007-7-12 20:15:54 > top of Java-index,Core,Core APIs...