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FuseMQTTClientProvider.java
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FuseMQTTClientProvider.java
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/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.artemis.tests.integration.mqtt;
import javax.net.ssl.SSLContext;
import java.util.concurrent.TimeUnit;
import org.fusesource.mqtt.client.BlockingConnection;
import org.fusesource.mqtt.client.MQTT;
import org.fusesource.mqtt.client.Message;
import org.fusesource.mqtt.client.QoS;
import org.fusesource.mqtt.client.Topic;
import static org.fusesource.hawtbuf.UTF8Buffer.utf8;
public class FuseMQTTClientProvider implements MQTTClientProvider {
private final MQTT mqtt = new MQTT();
private BlockingConnection connection;
@Override
public void connect(String host) throws Exception {
mqtt.setHost(host);
mqtt.setVersion("3.1.1");
// shut off connect retry
mqtt.setConnectAttemptsMax(0);
mqtt.setReconnectAttemptsMax(0);
connection = mqtt.blockingConnection();
connection.connect();
}
@Override
public void disconnect() throws Exception {
if (this.connection != null) {
this.connection.disconnect();
}
}
@Override
public void publish(String topic, byte[] payload, int qos) throws Exception {
publish(topic, payload, qos, false);
}
@Override
public void publish(String topic, byte[] payload, int qos, boolean retained) throws Exception {
connection.publish(topic, payload, QoS.values()[qos], retained);
}
@Override
public void subscribe(String topic, int qos) throws Exception {
Topic[] topics = {new Topic(utf8(topic), QoS.values()[qos])};
connection.subscribe(topics);
}
@Override
public void unsubscribe(String topic) throws Exception {
connection.unsubscribe(new String[]{topic});
}
@Override
public byte[] receive(int timeout) throws Exception {
byte[] result = null;
Message message = connection.receive(timeout, TimeUnit.MILLISECONDS);
if (message != null) {
result = message.getPayload();
message.ack();
}
return result;
}
@Override
public void setSslContext(SSLContext sslContext) {
mqtt.setSslContext(sslContext);
}
@Override
public void setWillMessage(String string) {
mqtt.setWillMessage(string);
}
@Override
public void setWillTopic(String topic) {
mqtt.setWillTopic(topic);
}
@Override
public void setClientId(String clientId) {
mqtt.setClientId(clientId);
}
@Override
public void kill() throws Exception {
connection.kill();
}
@Override
public void setKeepAlive(int keepAlive) throws Exception {
mqtt.setKeepAlive((short) keepAlive);
}
}