/*
* Copyright 2011 JBoss, by Red Hat, Inc
*
* 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.jboss.errai.enterprise.client.cdi;
import org.jboss.errai.bus.client.ErraiBus;
import org.jboss.errai.bus.client.api.PreInitializationListener;
import org.jboss.errai.bus.client.api.Message;
import org.jboss.errai.bus.client.api.MessageCallback;
import org.jboss.errai.bus.client.api.base.MessageBuilder;
import org.jboss.errai.bus.client.framework.ClientMessageBusImpl;
import org.jboss.errai.common.client.api.extension.InitVotes;
import org.jboss.errai.common.client.protocols.MessageParts;
import org.jboss.errai.enterprise.client.cdi.api.CDI;
import org.jboss.errai.enterprise.client.cdi.events.BusReadyEvent;
import com.google.gwt.core.client.EntryPoint;
/**
* The GWT entry point for the Errai CDI module.
*
* @author Mike Brock <cbrock@redhat.com>
* @author Christian Sadilek <csadilek@redhat.com>
*/
public class CDIClientBootstrap implements EntryPoint {
public void onModuleLoad() {
InitVotes.waitFor(CDIClientBootstrap.class);
final ClientMessageBusImpl bus = (ClientMessageBusImpl) ErraiBus.get();
final Runnable busReadyEvent = new Runnable() {
public void run() {
if (bus.isRemoteCommunicationEnabled()) {
MessageBuilder.createMessage().toSubject(CDI.SERVER_DISPATCHER_SUBJECT)
.command(CDICommands.AttachRemote)
.done()
.sendNowWith(bus);
}
else {
InitVotes.waitFor(CDI.class);
CDI.activate();
}
CDI.fireEvent(new BusReadyEvent());
}
public String toString() {
return "BusReadyEvent";
}
};
bus.addPostInitTask(busReadyEvent);
if (!bus.isSubscribed(CDI.CLIENT_DISPATCHER_SUBJECT)) {
bus.subscribe(CDI.CLIENT_DISPATCHER_SUBJECT, new MessageCallback() {
public void callback(Message message) {
switch (CDICommands.valueOf(message.getCommandType())) {
case RemoteSubscribe:
CDI.addRemoteEventTypes(message.get(String[].class, MessageParts.Value));
bus.addPostInitTask(new Runnable() {
@Override
public void run() {
CDI.activate();
}
public String toString() {
return "CDI service activate";
}
});
break;
case CDIEvent:
CDI.consumeEventFromMessage(message);
break;
}
}
});
}
/*
* Register an initialization lister to run the bus ready event. This will be added
* post-initialization, so it is designed to fire on bus reconnection events.
*/
bus.addPostInitTask(new Runnable() {
public void run() {
bus.addPreInitializationListener(new PreInitializationListener() {
public void beforeInitialization() {
bus.addPostInitTask(busReadyEvent);
}
});
}
});
InitVotes.voteFor(CDIClientBootstrap.class);
}
}