CAD Drawing Reading through 3d API

Hello.We are going to develop a construction management software that works via web. So we need to read AUTO CAD Drawings .So ant API's is thereThanksRam Prasad.
[190 byte] By [bodepua] at [2007-11-27 9:29:40]
# 1
http://forum.java.sun.com/thread.jspa?threadID=756220&messageID=4321107
Aniruddha-Herea at 2007-7-12 22:38:49 > top of Java-index,Security,Cryptography...