cn.starboot.mqtt.codec

类 MqttCodecUtil

java.lang.Object

cn.starboot.mqtt.codec.MqttCodecUtil

public final class MqttCodecUtil
extends Object

编解码工具

作者:

netty, L.cm, MDong

字段概要

字段

限定符和类型	字段和说明
private static String	MQTT_VERSION_KEY
static char	TOPIC_WILDCARDS_MORE
static char	TOPIC_WILDCARDS_ONE

构造器概要

构造器

限定符	构造器和说明
private	MqttCodecUtil()

方法概要

限定符和类型	方法和说明
static MqttVersion	getMqttVersion(ChannelContext ctx) mqtt 版本
static boolean	isTopicFilter(String topicFilter) 判断是否 topic filter
protected static boolean	isValidClientId(MqttVersion mqttVersion, int maxClientIdLength, String clientId)
static boolean	isValidPublishTopicName(String topicName) 是否校验过的 topicName
protected static MqttFixedHeader	resetUnusedFields(MqttFixedHeader mqttFixedHeader)
protected static void	setMqttVersion(ChannelContext ctx, MqttVersion version)
protected static MqttFixedHeader	validateFixedHeader(ChannelContext ctx, MqttFixedHeader mqttFixedHeader)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

TOPIC_WILDCARDS_ONE

public static final char TOPIC_WILDCARDS_ONE

另请参阅:

常量字段值

TOPIC_WILDCARDS_MORE

public static final char TOPIC_WILDCARDS_MORE

另请参阅:

常量字段值

MQTT_VERSION_KEY

private static final String MQTT_VERSION_KEY

另请参阅:

常量字段值

构造器详细资料

MqttCodecUtil

private MqttCodecUtil()

方法详细资料

getMqttVersion

public static MqttVersion getMqttVersion(ChannelContext ctx)

mqtt 版本

参数:

ctx - ChannelContext

返回:

MqttVersion

setMqttVersion

protected static void setMqttVersion(ChannelContext ctx,
                                     MqttVersion version)

isTopicFilter

public static boolean isTopicFilter(String topicFilter)

判断是否 topic filter

参数:

topicFilter - topicFilter

返回:

是否 topic filter

isValidPublishTopicName

public static boolean isValidPublishTopicName(String topicName)

是否校验过的 topicName

参数:

topicName - topicName

返回:

是否校验过的 topicName

isValidClientId

protected static boolean isValidClientId(MqttVersion mqttVersion,
                                         int maxClientIdLength,
                                         String clientId)

validateFixedHeader

protected static MqttFixedHeader validateFixedHeader(ChannelContext ctx,
                                                     MqttFixedHeader mqttFixedHeader)

resetUnusedFields

protected static MqttFixedHeader resetUnusedFields(MqttFixedHeader mqttFixedHeader)