com.github.siwenyan.cronjob.CronJobManager Maven / Gradle / Ivy

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package com.github.siwenyan.cronjob;

import java.security.InvalidParameterException;
import java.text.SimpleDateFormat;
import java.time.DayOfWeek;
import java.util.*;

public class CronJobManager {
	public final static SimpleDateFormat formatTime = new SimpleDateFormat(
			"HH:mm:ss");

	public final static SimpleDateFormat formatDate = new SimpleDateFormat(
			"yyyy-MM-dd");

	private Map> cronJobs = new LinkedHashMap>();
	private IWorker defaultWorker;

	public CronJobManager() {

	}

	public CronJobManager(IWorker defaultWorker) {
		this.defaultWorker = defaultWorker;
	}

	public IWorker getDefaultWorker() {
		return defaultWorker;
	}

	public void setDefaultWorker(IWorker defaultWorker) {
		this.defaultWorker = defaultWorker;
	}

	public void addTimerTask(IWorker worker, String cronJobName,
			boolean available, boolean repeating,
			Set repeatDaysOfWeek, Date scheduleDate, Date startTime,
			T subject) {

		if (worker == null) {
			worker = this.defaultWorker;
		}

		if (worker == null) {
			throw new InvalidParameterException("Parameter required: worker.");
		}

		if (cronJobName == null || cronJobName.trim().isEmpty()) {
			throw new InvalidParameterException(
					"Parameter required: cronJobName.");
		} else {
			cronJobName = cronJobName.trim();
		}

		if (cronJobs.containsKey(cronJobName)) {
			throw new InvalidParameterException("Cron Job already exists: "
					+ cronJobName + ".");
		}

		if (startTime == null) {
			throw new InvalidParameterException(
					"Parameter required: startTime.");
		}

		if (!repeating && scheduleDate == null) {
			throw new InvalidParameterException(
					"Parameter required: scheduleDate.");
		}

		if (subject == null) {
			throw new InvalidParameterException("Parameter required: subject.");
		}

		CronJob cronJob = new CronJob(worker);
		cronJob.setCronJobName(cronJobName);
		cronJob.setAvailable(available);
		cronJob.setRepeating(repeating);
		cronJob.setRepeatOn(repeatDaysOfWeek, true);
		cronJob.setScheduleDate(scheduleDate);
		cronJob.setStartTime(startTime);
		cronJob.setSubject(subject);

		this.newCronJob(cronJob);

	}

	private void newCronJob(CronJob cronJob) {
		if (cronJob != null) {
			cronJobs.put(cronJob.getCronJobName(), cronJob);
			cronJob.resetAlarm();
		}
	}

	public String toString(String name) {
		CronJob cronJob = this.cronJobs.get(name);
		if (cronJob != null) {
			return cronJob.toString() + "\r\n"
					+ cronJob.getSubject().toString();
		} else {
			return "";
		}
	}

	@Override
	public String toString() {
		String display = "";
		for (String key : this.cronJobs.keySet()) {
			display += "\r\n" + this.cronJobs.get(key).toString();
		}

		if (display.isEmpty()) {
			display = "No schedule.";
		}

		return display;
	}

	public boolean contains(String name) {
		return this.cronJobs.containsKey(name);
	}

	public void cancel(String name) {
		CronJob cronJob = this.cronJobs.get(name);
		if (cronJob != null) {
			cronJob.setAvailable(false);
			this.cronJobs.remove(name);
		}
	}

	public static Set parseDaysOfWeek(String sRepeatOnDaysOfWeek) {
		Set daysOfWeek = new HashSet();
		if (sRepeatOnDaysOfWeek == null || sRepeatOnDaysOfWeek.isEmpty()) {
			return daysOfWeek;
		} else {
			String[] sDaysOfWeek = sRepeatOnDaysOfWeek.split(":");
			for (String sDayOfWeek : sDaysOfWeek) {
				daysOfWeek.add(DayOfWeek.valueOf(sDayOfWeek));
			}
		}
		return daysOfWeek;
	}

	public void cancelAll() {
		for (String name : this.cronJobs.keySet()) {
			cancel(name);
		}
	}

}