/**
* 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.activemq.transport.mqtt;
import java.io.IOException;
import java.net.Socket;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;
import javax.net.ServerSocketFactory;
import javax.net.SocketFactory;
import org.apache.activemq.broker.BrokerContext;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.BrokerServiceAware;
import org.apache.activemq.transport.MutexTransport;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.transport.nio.NIOTransportFactory;
import org.apache.activemq.transport.tcp.TcpTransport;
import org.apache.activemq.transport.tcp.TcpTransportServer;
import org.apache.activemq.util.IntrospectionSupport;
import org.apache.activemq.wireformat.WireFormat;
/**
* A <a href="http://mqtt.org/">MQTT</a> over NIO transport factory
*/
public class MQTTNIOTransportFactory extends NIOTransportFactory implements BrokerServiceAware {
private BrokerContext brokerContext = null;
protected String getDefaultWireFormatType() {
return "mqtt";
}
protected TcpTransportServer createTcpTransportServer(URI location, ServerSocketFactory serverSocketFactory) throws IOException, URISyntaxException {
return new TcpTransportServer(this, location, serverSocketFactory) {
protected Transport createTransport(Socket socket, WireFormat format) throws IOException {
return new MQTTNIOTransport(format, socket);
}
};
}
protected TcpTransport createTcpTransport(WireFormat wf, SocketFactory socketFactory, URI location, URI localLocation) throws UnknownHostException, IOException {
return new MQTTNIOTransport(wf, socketFactory, location, localLocation);
}
@SuppressWarnings("rawtypes")
@Override
public Transport serverConfigure(Transport transport, WireFormat format, HashMap options) throws Exception {
transport = super.serverConfigure(transport, format, options);
MutexTransport mutex = transport.narrow(MutexTransport.class);
if (mutex != null) {
mutex.setSyncOnCommand(true);
}
return transport;
}
@SuppressWarnings("rawtypes")
public Transport compositeConfigure(Transport transport, WireFormat format, Map options) {
transport = new MQTTTransportFilter(transport, format, brokerContext);
IntrospectionSupport.setProperties(transport, options);
return super.compositeConfigure(transport, format, options);
}
public void setBrokerService(BrokerService brokerService) {
this.brokerContext = brokerService.getBrokerContext();
}
protected Transport createInactivityMonitor(Transport transport, WireFormat format) {
MQTTInactivityMonitor monitor = new MQTTInactivityMonitor(transport, format);
MQTTTransportFilter filter = transport.narrow(MQTTTransportFilter.class);
filter.setInactivityMonitor(monitor);
return monitor;
}
}