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/*******************************************************************************
* Copyright (c) 2013 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.ote.jms.bridge;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Level;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.messaging.OseeMessagingListener;
import org.eclipse.osee.framework.messaging.ReplyConnection;
import org.eclipse.osee.ote.jms.OteServerJmsNodeProvider;
import org.eclipse.osee.ote.message.event.OteEventMessage;
import org.eclipse.osee.ote.message.event.OteEventMessageUtil;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventAdmin;
import org.osgi.service.event.EventHandler;
public class EventToJmsComponent extends OseeMessagingListener implements EventHandler {
private OteServerJmsNodeProvider connecitonNode;
private EventAdmin eventAdmin;
private final List<Event> eventQueue;
private final UUID MYID;
public EventToJmsComponent(){
eventQueue = new CopyOnWriteArrayList<>();
MYID = UUID.randomUUID();
}
public void start(){
}
public void stop(){
}
public synchronized void bindConnectionNode(OteServerJmsNodeProvider connectionNode){
this.connecitonNode = connectionNode;
connecitonNode.getConnectionNode().subscribe(BridgeMessages.BYTE_MESSAGE, this);
for(Event event:eventQueue){
sendEvent(event);
}
eventQueue.clear();
}
public synchronized void unbindConnectionNode(OteServerJmsNodeProvider connectionNode){
connecitonNode.getConnectionNode().unsubscribe(BridgeMessages.BYTE_MESSAGE, this);
this.connecitonNode = null;
}
public void bindEventAdmin(EventAdmin eventAdmin){
this.eventAdmin = eventAdmin;
}
public void unbindEventAdmin(EventAdmin eventAdmin){
this.eventAdmin = null;
}
@Override
public synchronized void handleEvent(Event event) {
if(connecitonNode != null){
sendEvent(event);
} else {
eventQueue.add(event);
}
}
private void sendEvent(Event event){
OteEventMessage message = OteEventMessageUtil.getOteEventMessage(event);
if(message != null){
try {
UUID id = OteEventMessageUtil.getUUID(message);
if(!id.equals(MYID)){
OteEventMessageUtil.setUUID(message, MYID);
connecitonNode.getConnectionNode().send(BridgeMessages.BYTE_MESSAGE, message.getData());
}
} catch (OseeCoreException e) {
e.printStackTrace();
}
}
}
@Override
public void process(Object message, Map<String, Object> headers, ReplyConnection replyConnection) {
if(message instanceof byte[]){
OteEventMessage msg = new OteEventMessage((byte[])message);
UUID id = OteEventMessageUtil.getUUID(msg);
if(!id.equals(MYID)){
OteEventMessageUtil.setUUID(msg, MYID);
Map<String, Object> data = new HashMap<>();
data.put(OteEventMessageUtil.BYTE_KEY, msg.getData());
Event newevent = new Event(msg.getHeader().TOPIC.getValue(), data);
eventAdmin.sendEvent(newevent);
}
} else {
OseeLog.log(EventToJmsComponent.class, Level.SEVERE, "not a recognized message" + message.getClass());
}
}
}
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