net.dreamlu.iot.mqtt.codec.MqttUnsubAckPayload Maven / Gradle / Ivy
/*
* Copyright 2020 The Netty Project
*
* The Netty Project 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:
*
* https://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 net.dreamlu.iot.mqtt.codec;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
/**
* Payload for MQTT unsuback message as in V5.
*
* @author netty
*/
public final class MqttUnsubAckPayload {
private final List unsubscribeReasonCodes;
private static final MqttUnsubAckPayload EMPTY = new MqttUnsubAckPayload();
public static MqttUnsubAckPayload withEmptyDefaults(MqttUnsubAckPayload payload) {
if (payload == null) {
return EMPTY;
} else {
return payload;
}
}
public MqttUnsubAckPayload() {
this.unsubscribeReasonCodes = Collections.emptyList();
}
public MqttUnsubAckPayload(Iterable unsubscribeReasonCodes) {
Objects.requireNonNull(unsubscribeReasonCodes, "unsubscribeReasonCodes is null.");
List list = new ArrayList<>();
for (Short v : unsubscribeReasonCodes) {
Objects.requireNonNull(v, "unsubscribeReasonCode is null.");
list.add(v);
}
this.unsubscribeReasonCodes = Collections.unmodifiableList(list);
}
public List unsubscribeReasonCodes() {
return unsubscribeReasonCodes;
}
@Override
public String toString() {
return "MqttUnsubAckPayload[" +
"unsubscribeReasonCodes=" + unsubscribeReasonCodes +
']';
}
}