/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.tuscany.sca.demos.aggregator;
import java.text.DateFormat;
import java.util.Date;
import java.util.List;
import org.apache.tuscany.sca.demos.aggregator.types.AlertType;
import org.apache.tuscany.sca.demos.aggregator.types.AlertsType;
import org.apache.tuscany.sca.demos.aggregator.types.ConfigType;
import org.apache.tuscany.sca.demos.aggregator.types.SourceType;
import org.osoa.sca.annotations.Reference;
import org.osoa.sca.annotations.Service;
/**
* Read all new alerts from the specified sources
*
* @version $Rev: 590561 $ $Date: 2007-10-31 05:21:47 +0000 (Wed, 31 Oct 2007) $
*/
@Service(AlertsService.class)
public class AlertsServiceImpl implements AlertsService {
private RSSCheckerService rssChecker;
private AlertsSourcesService alertsSources;
@Reference
public void setRssChecker(RSSCheckerService rssChecker) {
this.rssChecker = rssChecker;
}
@Reference
public void setAlertsSources(AlertsSourcesService alertsSources) {
this.alertsSources = alertsSources;
}
DateFormat dateFormatter = DateFormat.getDateTimeInstance();
/**
* Return a structure holding all of the new alerts that have been found
*
* @return the structure containing alerts
*/
public AlertsType getAllNewAlerts(String id)
{
System.err.println("getAllNewAlerts(" + id + ")");
//TypesFactory factory = TypesFactory.INSTANCE;
//AlertsType returnAlerts = factory.createAlertsType();
AlertsType returnAlerts = new AlertsTypeNonSDOImpl();
List returnAlertList = returnAlerts.getAlert();
// get the date/time now so that we can update the
// alert source record so that next time we
// only get the latest alerts
Date now = new Date();
String nowString = dateFormatter.format(now);
try {
ConfigType alertSourceConfig = alertsSources.getAlertSources(id);
for (Object source : alertSourceConfig.getSource()){
SourceType sourceType = (SourceType)source;
AlertsType alerts = null;
if ( sourceType.getFeedType().equals("rss")){
alerts = rssChecker.getNewAlerts(sourceType.getFeedAddress(),
sourceType.getLastChecked());
} else {
}
// extend return list with any alerts we found
for( Object alert : alerts.getAlert() ){
// set the id on the alert so we know which source it
// came from
((AlertType)alert).setSourceId(sourceType.getId());
// convert from SDO to POJO so that the
// JSONRPC binding will work. It can't currently
// handle SDOs
AlertType newAlert = new AlertTypeNonSDOImpl();
newAlert.setSourceId(((AlertType)alert).getSourceId());
newAlert.setTitle(((AlertType)alert).getTitle());
newAlert.setSummary(((AlertType)alert).getSummary());
newAlert.setAddress(((AlertType)alert).getAddress());
newAlert.setDate(((AlertType)alert).getDate());
newAlert.setId(((AlertType)alert).getId());
newAlert.setUnread(((AlertType)alert).isUnread());
returnAlertList.add(newAlert);
}
// update the time last checked for this source
sourceType.setLastChecked(nowString);
//alertsSources.updateAlertSource(sourceType);
}
} catch(Exception ex) {
System.err.println("Exception " + ex.toString());
}
return returnAlerts ;
}
}