5b654fb4f7
Motivation: The toString() methods of MqttSubscribePayload and MqttUnsubscribePayload are causing exceptions when no topics are set. Modification: The toString() methods will not throw Excpetions anymore. Result: Fixes #9197
51 lines
1.5 KiB
Java
51 lines
1.5 KiB
Java
/*
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* Copyright 2014 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.mqtt;
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import io.netty.util.internal.StringUtil;
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import java.util.Collections;
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import java.util.List;
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/**
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* Payload of the {@link MqttUnsubscribeMessage}
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*/
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public final class MqttUnsubscribePayload {
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private final List<String> topics;
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public MqttUnsubscribePayload(List<String> topics) {
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this.topics = Collections.unmodifiableList(topics);
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}
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public List<String> topics() {
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return topics;
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}
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder(StringUtil.simpleClassName(this)).append('[');
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for (int i = 0; i < topics.size(); i++) {
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builder.append("topicName = ").append(topics.get(i)).append(", ");
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}
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if (!topics.isEmpty()) {
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builder.setLength(builder.length() - 2);
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}
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return builder.append("]").toString();
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}
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}
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