/*
* Copyright (c) 2013 Technische Universitat Wien (TUW), Distributed Systems Group. http://dsg.tuwien.ac.at
*
* This work was partially supported by the European Commission in terms of the CELAR FP7 project (FP7-ICT-2011-8 #317790), http://www.celarcloud.eu/
*
* 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 at.ac.tuwien.dsg.cloud.salsa.messaging.MQTTAdaptor;
import at.ac.tuwien.dsg.cloud.salsa.messaging.messageInterface.MessagePublishInterface;
import at.ac.tuwien.dsg.cloud.salsa.messaging.protocol.SalsaMessage;
import org.eclipse.paho.client.mqttv3.MqttException;
import org.eclipse.paho.client.mqttv3.MqttMessage;
/**
*
* @author Duc-Hung Le
*/
public class MQTTPublish extends MQTTConnector implements MessagePublishInterface {
public MQTTPublish() {
}
public MQTTPublish(String broker) {
super(broker);
}
@Override
public void pushMessage(SalsaMessage content) {
try {
connect();
System.out.println("Publishing message: " + content.getMsgType() + ", " + content.getTopic());
if (content.getPayload() != null && content.getPayload().length() < 2048) {
logger.debug("Content: " + content);
}
MqttMessage message = new MqttMessage(content.toJson().getBytes());
message.setQos(this.qos);
queueClient.publish(content.getTopic(), message);
queueClient.disconnect();
queueClient.close();
System.out.println("Message published");
} catch (MqttException me) {
System.out.println("reason " + me.getReasonCode());
System.out.println("msg " + me.getMessage());
System.out.println("loc " + me.getLocalizedMessage());
System.out.println("cause " + me.getCause());
System.out.println("excep " + me);
me.printStackTrace();
}
}
public void pushCustomData(String content, String topic) {
try {
if (queueClient == null) {
connect();
}
System.out.println("Publishing custom data: " + content);
MqttMessage message = new MqttMessage(content.getBytes());
message.setQos(this.qos);
queueClient.publish(topic, message);
queueClient.close();
System.out.println("Message published");
} catch (MqttException me) {
System.out.println("reason " + me.getReasonCode());
System.out.println("msg " + me.getMessage());
System.out.println("loc " + me.getLocalizedMessage());
System.out.println("cause " + me.getCause());
System.out.println("excep " + me);
me.printStackTrace();
}
}
}