/* * 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 MqttUnsubscribeMessage} */ public final class MqttUnsubscribePayload { private final List topics; public MqttUnsubscribePayload(List topics) { this.topics = Collections.unmodifiableList(topics); } public List topics() { return topics; } @Override public String toString() { StringBuilder builder = new StringBuilder(StringUtil.simpleClassName(this)).append('['); for (int i = 0; i < topics.size(); i++) { builder.append("topicName = ").append(topics.get(i)).append(", "); } if (!topics.isEmpty()) { builder.setLength(builder.length() - 2); } return builder.append("]").toString(); } }