net.dreamlu.iot.mqtt.codec.MqttSubscribePayload Maven / Gradle / Ivy
/*
* Copyright 2014 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.Collections;
import java.util.List;
/**
* Payload of the {@link MqttSubscribeMessage}
*
* @author netty
*/
public final class MqttSubscribePayload {
private final List topicSubscriptions;
public MqttSubscribePayload(List topicSubscriptions) {
this.topicSubscriptions = Collections.unmodifiableList(topicSubscriptions);
}
public List topicSubscriptions() {
return topicSubscriptions;
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder("MqttSubscribePayload[");
for (MqttTopicSubscription topicSubscription : topicSubscriptions) {
builder.append(topicSubscription).append(", ");
}
if (!topicSubscriptions.isEmpty()) {
builder.setLength(builder.length() - 2);
}
return builder.append(']').toString();
}
}