TimeAvatar.groovy

/*
Copyright (C) 2011 Yusuke Yamamoto
Licensed under the Apache License, Version 2.0 (the "License");
http://www.apache.org/licenses/LICENSE-2.0
*/
import org.quartz.*
import org.quartz.impl.StdSchedulerFactory
import twitter4j.TwitterFactory

class UpdateProfileImageTask {
  public void updateProfile() {
    TwitterFactory.singleton.updateProfileImage(new File(new Date().format("yyyyMMdd") + ".gif"))
  }
}

public class UpdateProfileJob implements Job {
  public void execute(JobExecutionContext context)
  throws JobExecutionException {
    Map dataMap = context.getJobDetail().getJobDataMap()
    UpdateProfileImageTask task = (UpdateProfileImageTask) dataMap.get("updateProfileTask")
    task.updateProfile()
  }
}
UpdateProfileImageTask task = new UpdateProfileImageTask()

//specify your scheduler task details
JobDetail job = new JobDetail()
job.setName("updateProfileJob")
job.setJobClass(UpdateProfileJob.class)

Map dataMap = job.getJobDataMap()
dataMap.put("updateProfileTask", task)

//configure the scheduler time
CronTrigger trigger = new CronTrigger()
trigger.setName("runMeJobTesting")
trigger.setCronExpression("0 0 0 * * ?")

//schedule it
Scheduler scheduler = new StdSchedulerFactory().getScheduler()
scheduler.start()
scheduler.scheduleJob(job, trigger)