java 通过配置监听器(Listener)设置项目启动给LED推送数据

web.xml 配置

<listener>

    <listener-class>com.***.***.listenvision.LedContextListener</listener-class>

</listener>

LedContextListener 文件

package com.***.***.listenvision;

import com.***.***.model.AttDetail;

import com.***.***.service.AttDetailService;

import com.***.***.service.FaceService;

import com.***.pay.common.exceptions.ValidationException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.util.StringUtils;

import org.springframework.web.context.WebApplicationContext;

import org.springframework.web.context.support.WebApplicationContextUtils;

import javax.servlet.ServletContextEvent;

import javax.servlet.ServletContextListener;

import java.util.PropertyResourceBundle;

import java.util.ResourceBundle;

public class LedContextListener implements ServletContextListener{

    private static Logger logger = LoggerFactory.getLogger(LedContextListener.class);

    public static ResourceBundle faceSdk = PropertyResourceBundle.getBundle("face-sdk");

    public static String LEDSwitch = faceSdk.getString("led.switch");

    private AttDetailService attDetailService;

    private FaceService faceService;

    /**

     * 项目启动给LED推送数据

     * @param sce

     */

    @Override

    public void contextInitialized(ServletContextEvent sce) {

        logger.info("获取******信息推送给LED(项目启动给LED推送数据)");

        WebApplicationContext webApplicationContext = WebApplicationContextUtils.getWebApplicationContext(sce.getServletContext());

        attDetailService = webApplicationContext.getBean(AttDetailService.class);

        faceService = webApplicationContext.getBean(FaceService.class);

        try {

            if("ON".equals(LEDSwitch)){

                //获取最近一名***的信息

                AttDetail attDetail = attDetailService.getLatestEmp();

                if(!StringUtils.isEmpty(attDetail)){

                    faceService.attendanceFace(attDetail.getEmpUuid(),attDetail.getInOut().toString());

                }

            }

        } catch (ValidationException ve) {

            logger.error(ve.getMessage(), ve);

            throw ve;

        } catch (Exception e) {

            logger.error(e.getMessage(), e);

            throw e;

        }

    }

    @Override

    public void contextDestroyed(ServletContextEvent sce) {

    }

}