/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* Licensed 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.wso2.carbon.event.core.internal.notify;
import org.wso2.carbon.event.core.exception.EventBrokerException;
import org.wso2.carbon.event.core.notify.NotificationManager;
import org.wso2.carbon.event.core.subscription.EventDispatcher;
import org.wso2.carbon.event.core.subscription.Subscription;
import org.wso2.carbon.event.core.Message;
import java.util.Map;
import java.util.Calendar;
import java.util.concurrent.ConcurrentHashMap;
/**
* Notification manager of the carbon. This implements the send notification
* method which can be used by any delivary manager interface
*/
public class CarbonNotificationManager implements NotificationManager{
private Map<String, EventDispatcher> eventDispatchMap;
public CarbonNotificationManager() {
this.eventDispatchMap = new ConcurrentHashMap();
}
public void sendNotification(Message message, Subscription subscription)
throws EventBrokerException {
if (subscription.getExpires() != null){
Calendar calendar = Calendar.getInstance();
if (calendar.after(subscription.getExpires())){
// this sequence has already expied.
return;
}
}
//send the message using the appropriate method of the subscription attributes
if (subscription.getEventDispatcher() != null){
subscription.getEventDispatcher().notify(message, subscription);
} else if (subscription.getEventDispatcherName() != null){
EventDispatcher eventDispatcher =
this.eventDispatchMap.get(subscription.getEventDispatcherName());
if (eventDispatcher == null){
throw new EventBrokerException("Event dispatcher with name "
+ subscription.getEventDispatcherName() + " is not exists");
}
eventDispatcher.notify(message, subscription);
} else {
throw new EventBrokerException("Can not send the notification ");
}
}
public void registerEventDispatcher(String name, EventDispatcher eventDispatcher){
this.eventDispatchMap.put(name, eventDispatcher);
}
}