io.netty.handler.codec.mqtt.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:
*
* 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 io.netty.handler.codec.mqtt;
import io.netty.util.internal.StringUtil;
import java.util.Collections;
import java.util.List;
/**
* Payload of the {@link MqttSubscribeMessage}
*/
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(StringUtil.simpleClassName(this)).append('[');
for (int i = 0; i < topicSubscriptions.size(); i++) {
builder.append(topicSubscriptions.get(i)).append(", ");
}
if (!topicSubscriptions.isEmpty()) {
builder.setLength(builder.length() - 2);
}
return builder.append(']').toString();
}
}