/**
* Called when a new submission message is received. Unpacks the job data and sends the
* information as a SubmissionData to a JobSubmitter for bridging into the Heritrix submission
* system.
*/
public synchronized void onMessage(Message msg) {
if (msg instanceof MapMessage) {
UrlSubmissionMsg subMsg = new UrlSubmissionMsg((MapMessage) msg);
try {
if (!subMsg.validate()) {
throw new JMSException("Invalid UrlSubmissionMsg");
}
SubmissionData data = new SubmissionData();
data.setMetaName(subMsg.getJobID());
data.setSeeds(subMsg.getUrl());
data.setJobDescription(subMsg.getDescription());
CrawlJob job = jobSubmitter.submit(data);
JobFinishedListener listener = new JobFinishedListener(data, msg, this);
inProcess = true;
handler.addJob(job);
CrawlController controller = job.getController();
// This sucks, but an alternative would require heavy hacking.
while (controller == null) {
Thread.sleep(50);
controller = job.getController();
}
controller.addCrawlStatusListener(listener);
sendJobStarted(subMsg.getJobID(), subMsg.getUrl());
// Only take one message at a time.
while (inProcess) {
try {
this.wait();
if (!inProcess) {
break;
}
} catch (InterruptedException e) {
}
}
} catch (JMSException e) {
e.printStackTrace();
} catch (Exception e) {
// Submission went awry
e.printStackTrace();
}
}
} // - onMessage
