content: package com.admin4j.job.util;
  
  
  import com.admin4j.job.enetity.SysJob;
  import com.admin4j.job.exception.JobException;
  import org.quartz.*;
  
  /**
   * 定时任务工具类
   *
   * @author ruoyi
   */
  public class ScheduleUtils {
      /**
       * 得到quartz任务类
       *
       * @param sysJob 执行计划
       * @return 具体执行任务类
       */
      private static Class<? extends Job> getQuartzJobClass(SysJob sysJob) {
          boolean isConcurrent = "0".equals(sysJob.getConcurrent());
          return isConcurrent ? QuartzJobExecution.class : QuartzDisallowConcurrentExecution.class;
      }
  
      /**
       * 构建任务触发对象
       */
      public static TriggerKey getTriggerKey(Long jobId, String jobGroup) {
          return TriggerKey.triggerKey(ScheduleConstants.TASK_CLASS_NAME + jobId, jobGroup);
      }
  
      /**
       * 构建任务键对象
       */
      public static JobKey getJobKey(Long jobId, String jobGroup) {
          return JobKey.jobKey(ScheduleConstants.TASK_CLASS_NAME + jobId, jobGroup);
      }
  
      /**
       * 创建定时任务
       */
      public static void createScheduleJob(Scheduler scheduler, SysJob job) throws SchedulerException, JobException {
          Class<? extends Job> jobClass = getQuartzJobClass(job);
          // 构建job信息
          Long jobId = job.getJobId();
          String jobGroup = job.getJobGroup();
          JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(getJobKey(jobId, jobGroup)).build();
  
          // 表达式调度构建器
          CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule(job.getCronExpression());
          cronScheduleBuilder = handleCronScheduleMisfirePolicy(job, cronScheduleBuilder);
  
          // 按新的cronExpression表达式构建一个新的trigger
          CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(getTriggerKey(jobId, jobGroup))
                  .withSchedule(cronScheduleBuilder).build();
  
          // 放入参数，运行时的方法可以获取
          jobDetail.getJobDataMap().put(ScheduleConstants.TASK_PROPERTIES, job);
  
          // 判断是否存在
          if (scheduler.checkExists(getJobKey(jobId, jobGroup))) {
              // 防止创建时存在数据问题 先移除，然后在执行创建操作
              scheduler.deleteJob(getJobKey(jobId, jobGroup));
          }
  
          // 判断任务是否过期
          if (CronUtils.getNextExecution(job.getCronExpression()) != null) {
              // 执行调度任务
              scheduler.scheduleJob(jobDetail, trigger);
          }
  
          // 暂停任务
          if (job.getStatus().equals(ScheduleConstants.Status.PAUSE.getValue())) {
              scheduler.pauseJob(ScheduleUtils.getJobKey(jobId, jobGroup));
          }
      }
  
      /**
       * 设置定时任务策略
       */
      public static CronScheduleBuilder handleCronScheduleMisfirePolicy(SysJob job, CronScheduleBuilder cb)
              throws JobException {
          switch (job.getMisfirePolicy()) {
              case ScheduleConstants.MISFIRE_DEFAULT:
                  return cb;
              case ScheduleConstants.MISFIRE_IGNORE_MISFIRES:
                  return cb.withMisfireHandlingInstructionIgnoreMisfires();
              case ScheduleConstants.MISFIRE_FIRE_AND_PROCEED:
                  return cb.withMisfireHandlingInstructionFireAndProceed();
              case ScheduleConstants.MISFIRE_DO_NOTHING:
                  return cb.withMisfireHandlingInstructionDoNothing();
              default:
                  throw new JobException("The task misfire policy '" + job.getMisfirePolicy()
                          + "' cannot be used in cron schedule tasks");
          }
      }
  
      /**
       * 检查包名是否为白名单配置
       *
       * @param invokeTarget 目标字符串
       * @return 结果
       */
  //    public static boolean whiteList(String invokeTarget) {
  //        String packageName = StringUtils.substringBefore(invokeTarget, "(");
  //        int count = StringUtils.countMatches(packageName, ".");
  //        if (count > 1) {
  //            return StringUtils.containsAnyIgnoreCase(invokeTarget, Constants.JOB_WHITELIST_STR);
  //        }
  //        Object obj = SpringUtils.getBean(StringUtils.split(invokeTarget, ".")[0]);
  //        String beanPackageName = obj.getClass().getPackage().getName();
  //        return StringUtils.containsAnyIgnoreCase(beanPackageName, Constants.JOB_WHITELIST_STR)
  //                && !StringUtils.containsAnyIgnoreCase(beanPackageName, Constants.JOB_ERROR_STR);
  //    }
  }
  