2 * Copyright 2006 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.wamblee.crawler.kiss.servlet;
19 import java.util.Date;
21 import javax.servlet.ServletContextEvent;
22 import javax.servlet.ServletContextListener;
24 import org.quartz.JobDetail;
25 import org.quartz.Scheduler;
26 import org.quartz.SchedulerException;
27 import org.quartz.SchedulerFactory;
28 import org.quartz.Trigger;
29 import org.quartz.TriggerUtils;
30 import org.quartz.core.QuartzScheduler;
31 import org.quartz.impl.StdSchedulerFactory;
32 import org.wamblee.crawler.kiss.scheduling.quartz.CrawlerJob;
33 import org.wamblee.crawler.kiss.scheduling.quartz.QuartzCrawlerScheduler;
34 import org.wamblee.general.BeanKernel;
37 * The mechanism for kick starting the scheduling of the KiSS crawler.
39 public class Application implements ServletContextListener {
42 * Constructs the listener.
45 public Application() {
52 * @see javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
54 public void contextInitialized(ServletContextEvent aEvent) {
55 aEvent.getServletContext().log("KiSS Crawler initializing");
57 getScheduler().initialize();
58 } catch (SchedulerException e) {
59 aEvent.getServletContext().log("Error scheduling job", e);
61 aEvent.getServletContext().log("KiSS Crawler initialized");
67 * @see javax.servlet.ServletContextListener#contextDestroyed(javax.servlet.ServletContextEvent)
69 public void contextDestroyed(ServletContextEvent aEvent) {
70 aEvent.getServletContext().log("KiSS Crawler shutting down");
72 getScheduler().shutdown();
73 } catch (SchedulerException e) {
74 aEvent.getServletContext().log("Error scheduling job", e);
76 aEvent.getServletContext().log("KiSS Crawler shut down complete");
80 * Gets the scheduler from Spring.
83 private QuartzCrawlerScheduler getScheduler() {
84 return BeanKernel.getBeanFactory().find(QuartzCrawlerScheduler.class);
87 public static void main(String[] aArgs) throws SchedulerException {
88 Application application = new Application();
89 application.getScheduler().initialize();