How Can I extract the .dat file(contain image) using java API

if i using HMEFContentsExtractor in POI jar, it can extract html only it is not able extract the image content form winmail.dat(attchment mail sent from oulook), is there any jar file to do this & explain how to use that.

   HMEFContentsExtractor ext = new HMEFContentsExtractor(new File(winmailFilename));
   File dir = new File(directoryName);
   File rtf = new File(dir, "message.rtf");
   if(! dir.exists()) {
       throw new FileNotFoundException("Output directory "+dir.getName()+" not found");   }
   HMEFMessage msg = new HMEFMessage(new FileInputStream(winmailFilename));
   msg.getAttachments();ext.extractMessageBody(rtf);

via Chebli Mohamed