public class MessageHandlerText extends MessageHandlerHelper {
@Override
public Message handleSpecialMessage(Message message) {
FilterChain filterChain = new FilterChain();
filterChain.addFilter(new FilterHelp());
filterChain.addFilter(new FilterDefaultResult());// add this,so the next line does not have to verify whether result is null or not
return filterChain.doFilterChain(message);
}