Able to find the solution my self , it is as simple is this:
BufferedReader brrr = request.getReader();
String s;
StringBuffer req_message = new StringBuffer();
while((s = brrr.readLine()) != null)
req_message.append(s);
Now req_message will hold all the body content(s).
[Message sent by forum member 'muhfak' (muhfak)]
http://forums.java.net/jive/thread.jspa?messageID=282184