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 javax.servlet.ServletContextEvent;
20 import javax.servlet.ServletContextListener;
22 import org.quartz.SchedulerException;
23 import org.wamblee.crawler.kiss.scheduling.CrawlerScheduler;
24 import org.wamblee.general.BeanKernel;
27 * The mechanism for kick starting the scheduling of the KiSS crawler.
29 public class Application implements ServletContextListener {
32 * Constructs the listener.
35 public Application() {
42 * @see javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
44 public void contextInitialized(ServletContextEvent aEvent) {
45 aEvent.getServletContext().log("KiSS Crawler initializing");
47 getScheduler().initialize();
48 } catch (Exception e) {
49 aEvent.getServletContext().log("Error scheduling job", e);
52 aEvent.getServletContext().log("KiSS Crawler initialized");
58 * @see javax.servlet.ServletContextListener#contextDestroyed(javax.servlet.ServletContextEvent)
60 public void contextDestroyed(ServletContextEvent aEvent) {
61 aEvent.getServletContext().log("KiSS Crawler shutting down");
63 getScheduler().shutdown();
64 } catch (Exception e) {
65 aEvent.getServletContext().log("Error scheduling job", e);
68 aEvent.getServletContext().log("KiSS Crawler shut down complete");
72 * Gets the scheduler from Spring.
75 private CrawlerScheduler getScheduler() {
76 return BeanKernel.getBeanFactory().find(CrawlerScheduler.class);
79 public static void main(String[] aArgs) throws Exception {
80 Application application = new Application();
81 application.getScheduler().initialize();