public Manifest(InputStream is) throws IOException {
  while (is.available() != 0) {
    MessageHeader m=new MessageHeader(is);
    entries.addElement(m);
  }
}

public Manifest ( InputStream is ) throws IOException { while ( is . available ( ) != 0 ) { MessageHeader m = new MessageHeader ( is ) ; entries . addElement ( m ) ; } }
parse a manifest from a stream
