about extrating metadata

HiI want to extract metadata from a pdf file.can anybody pls tell me is there any API or library I can use to extract metadata from a PDF file.//UK
[175 byte] By [oas_999a] at [2007-11-27 6:46:01]
# 1
http://www.google.com/search?q=pdf+java
paulcwa at 2007-7-12 18:18:21 > top of Java-index,Java Essentials,Java Programming...