001: /*
002: * Copyright (c) JForum Team
003: * All rights reserved.
004: *
005: * Redistribution and use in source and binary forms,
006: * with or without modification, are permitted provided
007: * that the following conditions are met:
008: *
009: * 1) Redistributions of source code must retain the above
010: * copyright notice, this list of conditions and the
011: * following disclaimer.
012: * 2) Redistributions in binary form must reproduce the
013: * above copyright notice, this list of conditions and
014: * the following disclaimer in the documentation and/or
015: * other materials provided with the distribution.
016: * 3) Neither the name of "Rafael Steil" nor
017: * the names of its contributors may be used to endorse
018: * or promote products derived from this software without
019: * specific prior written permission.
020: *
021: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
022: * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
023: * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
024: * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
025: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
026: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
027: * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
028: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
029: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
030: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
031: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
032: * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
033: * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
034: * IN CONTRACT, STRICT LIABILITY, OR TORT
035: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
036: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
037: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
038: *
039: * Class created on Jul 15, 2005
040: * The JForum Project
041: * http://www.jforum.net
042: */
043: package net.jforum.summary;
044:
045: import java.io.IOException;
046: import java.text.ParseException;
047:
048: import net.jforum.util.preferences.ConfigKeys;
049: import net.jforum.util.preferences.SystemGlobals;
050:
051: import org.apache.log4j.Logger;
052: import org.quartz.CronTrigger;
053: import org.quartz.JobDetail;
054: import org.quartz.Scheduler;
055: import org.quartz.SchedulerException;
056: import org.quartz.Trigger;
057: import org.quartz.impl.StdSchedulerFactory;
058:
059: /**
060: * Schedule the summaries to be sent to the users.
061: *
062: * @see net.jforum.summary.SummaryJob
063: *
064: * @author Franklin S. Dattein (<a href="mailto:franklin@portaljava.com">franklin@portaljava.com</a>)
065: * @version $Id: SummaryScheduler.java,v 1.6 2006/10/10 00:40:53 rafaelsteil Exp $
066: */
067: public class SummaryScheduler {
068: private static Scheduler scheduler;
069: private static Logger logger = Logger
070: .getLogger(SummaryScheduler.class);
071: private static boolean isStarted;
072:
073: /**
074: * Starts the summary Job. Conditions to start: Is not started yet and is enabled on the file
075: * SystemGlobasl.properties. The to enable it is "summary.enabled"
076: * (ConfigKeys.SUMMARY_IS_ENABLED).
077: *
078: * @throws SchedulerException
079: * @throws IOException
080: */
081: public static void startJob() throws SchedulerException {
082: boolean isEnabled = SystemGlobals
083: .getBoolValue(ConfigKeys.SUMMARY_IS_ENABLED);
084:
085: if (!isStarted && isEnabled) {
086: String filename = SystemGlobals
087: .getValue(ConfigKeys.QUARTZ_CONFIG);
088:
089: String cronExpression = SystemGlobals
090: .getValue("org.quartz.context.summary.cron.expression");
091: scheduler = new StdSchedulerFactory(filename)
092: .getScheduler();
093:
094: Trigger trigger = null;
095:
096: try {
097: trigger = new CronTrigger(SummaryJob.class.getName(),
098: "summaryJob", cronExpression);
099: logger.info("Starting quartz summary expression "
100: + cronExpression);
101: scheduler.scheduleJob(new JobDetail(SummaryJob.class
102: .getName(), "summaryJob", SummaryJob.class),
103: trigger);
104: scheduler.start();
105: } catch (ParseException e) {
106: e.printStackTrace();
107: }
108: }
109:
110: isStarted = true;
111: }
112: }
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