Motivation: We can just use Objects.requireNonNull(...) as a replacement for ObjectUtil.checkNotNull(....) Modifications: - Use Objects.requireNonNull(...) Result: Less code to maintain.
81 lines
2.3 KiB
Java
81 lines
2.3 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 static java.util.Objects.requireNonNull;
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import io.netty.util.internal.StringUtil;
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/**
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* See <a href="http://public.dhe.ibm.com/software/dw/webservices/ws-mqtt/mqtt-v3r1.html#fixed-header">
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* MQTTV3.1/fixed-header</a>
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*/
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public final class MqttFixedHeader {
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private final MqttMessageType messageType;
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private final boolean isDup;
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private final MqttQoS qosLevel;
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private final boolean isRetain;
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private final int remainingLength;
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public MqttFixedHeader(
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MqttMessageType messageType,
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boolean isDup,
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MqttQoS qosLevel,
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boolean isRetain,
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int remainingLength) {
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this.messageType = requireNonNull(messageType, "messageType");
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this.isDup = isDup;
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this.qosLevel = requireNonNull(qosLevel, "qosLevel");
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this.isRetain = isRetain;
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this.remainingLength = remainingLength;
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}
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public MqttMessageType messageType() {
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return messageType;
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}
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public boolean isDup() {
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return isDup;
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}
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public MqttQoS qosLevel() {
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return qosLevel;
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}
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public boolean isRetain() {
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return isRetain;
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}
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public int remainingLength() {
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return remainingLength;
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}
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@Override
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public String toString() {
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return new StringBuilder(StringUtil.simpleClassName(this))
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.append('[')
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.append("messageType=").append(messageType)
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.append(", isDup=").append(isDup)
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.append(", qosLevel=").append(qosLevel)
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.append(", isRetain=").append(isRetain)
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.append(", remainingLength=").append(remainingLength)
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.append(']')
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.toString();
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}
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}
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