package pubsub;
/*
* Copyright 2011 the original author or authors.
*
* 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.
*/
import org.vertx.java.core.Handler;
import org.vertx.java.core.buffer.Buffer;
import org.vertx.java.core.net.NetSocket;
import org.vertx.java.core.parsetools.RecordParser;
import org.vertx.java.platform.Verticle;
import java.util.Set;
public class PubSubServer extends Verticle {
public void start() {
vertx.createNetServer().connectHandler(new Handler<NetSocket>() {
public void handle(final NetSocket socket) {
socket.dataHandler(RecordParser.newDelimited("\n", new Handler<Buffer>() {
public void handle(Buffer frame) {
String line = frame.toString().trim();
System.out.println("Line is " + line);
String[] parts = line.split("\\,");
if (line.startsWith("subscribe")) {
System.out.println("Topic is " + parts[1]);
Set<String> set = vertx.sharedData().getSet(parts[1]);
set.add(socket.writeHandlerID());
} else if (line.startsWith("unsubscribe")) {
vertx.sharedData().getSet(parts[1]).remove(socket.writeHandlerID());
} else if (line.startsWith("publish")) {
System.out.println("Publish to topic is " + parts[1]);
Set<String> actorIDs = vertx.sharedData().getSet(parts[1]);
for (String actorID : actorIDs) {
System.out.println("Sending to verticle");
vertx.eventBus().publish(actorID, new Buffer(parts[2]));
}
}
}
}));
}
}).listen(1234);
}
}