从7.*迁移wicket 8.*，AbstractRequestCycleListener上的onRequestHandlerResolved（）方法存在问题

当我在IRequestCycleListener方法转换下处理onRequestHandlerResolved（）时，我正在处理Wicket 8.*迁移

根据我的代码wicket 7.15.0中的逻辑结构

public class MyRequestCycleListener extends AbstractRequestCycleListener{
//All methods override here
    @Override
    public void onRequestHandlerResolved(RequestCycle cycle, IRequestHandler handler) {
       if (handler instanceof ListenerInterfaceRequestHandler) {
           ListenerInterfaceRequestHandler requestHandler = (ListenerInterfaceRequestHandler) handler;
           if (requestHandler.getListenerInterface().getListenerInterfaceClass().isAssignableFrom(         IFormSubmitListener.class)) {
                 //here made some login as well as every onSubmit
           }
       }
    }
}

As wicket 8.*更改 AbstractRequestCycleListener类转换为IRequestCycleListener接口 ListenerInterfaceRequestHandler重命名为ListenerRequestHandler 不推荐RequestListenerInterface，并且IFormSubmitListener出错

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如何在wicket 8.9.0上将代码转换为迁移？

应该是这样的：

public class MyRequestCycleListener implements IRequestCycleListener{

    @Override
    public void onRequestHandlerResolved(RequestCycle cycle, IRequestHandler handler) {
        if (handler instanceof ListenerRequestHandler) {
             ListenerRequestHandler requestHandler = (ListenerRequestHandler) handler;

            if (requestHandler.getComponent() instanceof Form) {
                  //here made some login as well as every onSubmit
                  Form form = (Form) requestHandler.getComponent();
            }
        }
    }
}

requestHandler.getComponent（）.isAssignableFrom（Form.class）不可能。wicket 8中正确接受requestHandler.getComponent（）.getClass（）.isAssignableFrom（Form.class）。还有我的一个double，您是否可以使用requestHandler.getClass（）.isAssignableFrom（Form.class）？