io.netty.handler.codec.mqtt

类 MqttEncoder

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelOutboundHandlerAdapter

io.netty.handler.codec.MessageToMessageEncoder<MqttMessage>

io.netty.handler.codec.mqtt.MqttEncoder

所有已实现的接口:

ChannelHandler, ChannelOutboundHandler

@ChannelHandler.Sharable
public final class MqttEncoder
extends MessageToMessageEncoder<MqttMessage>

Encodes Mqtt messages into bytes following the protocol specification v3.1 as described here MQTTV3.1 or v5.0 as described here MQTTv5.0 - depending on the version specified in the first CONNECT message that goes through the channel.

嵌套类概要

从接口继承的嵌套类/接口 io.netty.channel.ChannelHandler

ChannelHandler.Sharable

字段概要

字段

限定符和类型	字段和说明
static MqttEncoder	INSTANCE

方法概要

限定符和类型	方法和说明
protected void	encode(ChannelHandlerContext ctx, MqttMessage msg, java.util.List<java.lang.Object> out) Encode from one message to an other.

从类继承的方法 io.netty.handler.codec.MessageToMessageEncoder

acceptOutboundMessage, write

从类继承的方法 io.netty.channel.ChannelOutboundHandlerAdapter

bind, close, connect, deregister, disconnect, flush, read

从类继承的方法 io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, exceptionCaught, handlerAdded, handlerRemoved, isSharable

从类继承的方法 java.lang.Object

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

从接口继承的方法 io.netty.channel.ChannelHandler

exceptionCaught, handlerAdded, handlerRemoved

字段详细资料

INSTANCE

public static final MqttEncoder INSTANCE

方法详细资料

encode

protected void encode(ChannelHandlerContext ctx,
                      MqttMessage msg,
                      java.util.List<java.lang.Object> out)
               throws java.lang.Exception

从类复制的说明: MessageToMessageEncoder

Encode from one message to an other. This method will be called for each written message that can be handled by this encoder.

指定者:

encode 在类中 MessageToMessageEncoder<MqttMessage>

参数:

ctx - the ChannelHandlerContext which this MessageToMessageEncoder belongs to

msg - the message to encode to an other one

out - the List into which the encoded msg should be added needs to do some kind of aggregation

抛出:

java.lang.Exception - is thrown if an error occurs