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| package com.forg.plugin;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.Properties;
import org.quartz.CronScheduleBuilder;
import org.quartz.CronTrigger;
import org.quartz.Job;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.TriggerBuilder;
import org.quartz.impl.StdSchedulerFactory;
import com.jfinal.log.Logger;
import com.jfinal.plugin.IPlugin;
public class QuartzPlugin implements IPlugin {
private final Logger logger = Logger.getLogger(getClass());
private static final String JOB = "job";
private String config = "job.properties";
private Properties properties;
public QuartzPlugin(String config) {
this.config = config;
}
public QuartzPlugin() {
}
private SchedulerFactory schedulerFactory;
private Scheduler scheduler;
@SuppressWarnings("unchecked")
public boolean start() {
try {
loadProperties();
} catch (IOException e) {
logger.error(e.getMessage());
return false ;
}
if (properties == null) {
return false;
}
schedulerFactory = new StdSchedulerFactory();
try {
scheduler = schedulerFactory.getScheduler();
} catch (SchedulerException e) {
logger.error(e.getMessage());
return false;
}
if (scheduler == null) {
logger.error("scheduler is null");
return false;
}
Enumeration<Object> enums = properties.keys();
while (enums.hasMoreElements()) {
String key = enums.nextElement() + "";
if (!key.endsWith(JOB) || !isTrue(getJobKey(key,"enable"))) {
continue;
}
String jobClassName = properties.get(key) + "";
String jobName = key.substring(0,key.lastIndexOf("."));
String jobCronExp = properties.getProperty(getJobKey(key,"cron")) + "";
String jobGroup = properties.getProperty(getJobKey(key,"group","jobGroup1"));
Class<? extends Job> jobClass = null;
try {
jobClass = (Class<? extends Job>) Class.forName(jobClassName);
} catch (ClassNotFoundException e) {
logger.error(e.getMessage());
return false;
}
JobDetail job = JobBuilder.newJob(jobClass)
.withIdentity(jobName, jobGroup).build();
CronTrigger trigger = TriggerBuilder
.newTrigger()
.withIdentity("trigger", jobGroup)
.withSchedule(
CronScheduleBuilder.cronSchedule(jobCronExp))
.build();
try {
scheduler.scheduleJob(job, trigger);
scheduler.start();
} catch (SchedulerException e) {
logger.error(e.getMessage());
return false;
}
}
return true;
}
public boolean stop() {
try {
scheduler.shutdown();
} catch (SchedulerException e) {
logger.error(e.getMessage());
return false;
}
return true;
}
private void loadProperties() throws IOException {
properties = new Properties();
InputStream is = QuartzPlugin.class.getClassLoader()
.getResourceAsStream(config);
properties.load(is);
}
private String getJobKey(String str,String type,String defaultValue) {
String key = getJobKey(str,type);
if (key == null || "".equals(key.trim()))
return defaultValue;
return key;
}
private String getJobKey(String str,String type) {
return str.substring(0, str.lastIndexOf(JOB)) + type;
}
private boolean isTrue(String key) {
Object enable = properties.get(key);
if (enable != null && "false".equalsIgnoreCase((enable + "").trim())) {
return false;
}
return true;
}
}
|