/**
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a
* copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.jasig.portal.events.tincan;
import java.util.List;
import javax.annotation.Resource;
import org.jasig.portal.events.PortalEvent;
import org.jasig.portal.events.aggr.BasePortalEventAggregator;
import org.jasig.portal.events.aggr.SimplePortalEventAggregator;
import org.jasig.portal.events.aggr.session.EventSession;
import org.jasig.portal.events.tincan.om.LrsStatement;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
/**
* Event aggregator that processes events and converts them to
* xAPI events.
*
* @author Josh Helmer, jhelmer@unicon.net
*/
public class TinCanPortalEventAggregator extends
BasePortalEventAggregator<PortalEvent> implements
SimplePortalEventAggregator<PortalEvent> {
private static final Logger log = LoggerFactory.getLogger(TinCanPortalEventAggregator.class);
private ITinCanEventScheduler tinCanEventScheduler;
private List<IPortalEventToLrsStatementConverter> statementFactories;
private boolean tinCanAPIEnabled = false;
@Resource(name = "tinCanEventConverters")
public void setStatementFactories(final List<IPortalEventToLrsStatementConverter> statementFactories) {
this.statementFactories = statementFactories;
}
@Autowired
@Qualifier("tinCanEventScheduler")
public void setTinCanEventScheduler(final ITinCanEventScheduler tinCanEventScheduler) {
this.tinCanEventScheduler = tinCanEventScheduler;
}
@Value("${org.jasig.portal.tincan-api.enabled:false}")
public void setTinCanAPIEnabled(final boolean enabled) {
this.tinCanAPIEnabled = enabled;
}
@Override
public boolean supports(Class<? extends PortalEvent> type) {
return true;
}
@Override
public void aggregateEvent(PortalEvent e, EventSession eventSession) {
if (!tinCanAPIEnabled) {
return;
}
try {
for (IPortalEventToLrsStatementConverter factory : statementFactories) {
if (factory.supports(e)) {
LrsStatement lrsStatement = factory.toLrsStatement(e);
if (lrsStatement != null) {
tinCanEventScheduler.scheduleEvent(lrsStatement);
// for now, assume a max of 1 handler per event.
break;
}
}
}
} catch (Exception ex) {
log.error("Error sending xAPI event", ex);
}
}
}