如何获取对嵌入式Jetty请求范围的引用

import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.AbstractHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class MyHandler extends AbstractHandler {
    @Override
    public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
        // 获取请求参数
        String paramValue = request.getParameter("paramName");
        
        // 获取请求头信息
        String headerValue = request.getHeader("headerName");
        
        // 设置请求范围内的属性
        request.setAttribute("attributeName", "attributeValue");
        
        // 获取请求范围内的属性
        String attributeValue = (String) request.getAttribute("attributeName");
        
        // 处理请求逻辑
        
        // 标记请求已处理完成
        baseRequest.setHandled(true);
    }

    public static void main(String[] args) throws Exception {
        Server server = new Server(8080);
        server.setHandler(new MyHandler());
        server.start();
        server.join();
    }
}