Uses of Interface
io.netty.channel.ChannelOutboundHandler

Packages that use ChannelOutboundHandler

Package	Description
io.netty.channel	The core channel API which is asynchronous and event-driven abstraction of various transports such as a NIO Channel.
io.netty.handler.address	Package to dynamically replace local / remote SocketAddress.
io.netty.handler.codec	Extensible decoder and its common implementations which deal with the packet fragmentation and reassembly issue found in a stream-based transport such as TCP/IP.
io.netty.handler.codec.base64	Encoder and decoder which transform a Base64-encoded String or ByteBuf into a decoded ByteBuf and vice versa.
io.netty.handler.codec.bytes	Encoder and decoder which transform an array of bytes into a ByteBuf and vice versa.
io.netty.handler.codec.compression	Encoder and decoder which compresses and decompresses ByteBufs in a compression format such as zlib, gzip, and Snappy.
io.netty.handler.codec.dns	DNS codec.
io.netty.handler.codec.haproxy	Decodes an HAProxy proxy protocol header
io.netty.handler.codec.http	Encoder, decoder and their related message types for HTTP.
io.netty.handler.codec.http.cors	This package contains Cross Origin Resource Sharing (CORS) related classes.
io.netty.handler.codec.http.websocketx	Encoder, decoder, handshakers and their related message types for Web Socket data frames.
io.netty.handler.codec.http.websocketx.extensions	Encoder, decoder, handshakers to handle WebSocket Extensions.
io.netty.handler.codec.http.websocketx.extensions.compression	Encoder, decoder, handshakers to handle most common WebSocket Compression Extensions.
io.netty.handler.codec.http2	Handlers for sending and receiving HTTP/2 frames.
io.netty.handler.codec.marshalling	Decoder and Encoder which uses JBoss Marshalling.
io.netty.handler.codec.memcache	Common superset of ascii and binary classes.
io.netty.handler.codec.memcache.binary	Implementations and Interfaces for the Memcache Binary protocol.
io.netty.handler.codec.mqtt	Encoder, decoder and different Message Types for MQTT.
io.netty.handler.codec.protobuf	Encoder and decoder which transform a Google Protocol Buffers Message and MessageNano into a ByteBuf and vice versa.
io.netty.handler.codec.redis	Encoder, decoder for Redis.
io.netty.handler.codec.rtsp	An RTSP extension based on the HTTP codec.
io.netty.handler.codec.sctp	Decoder and encoders to manage message completion and multi-streaming codec in SCTP/IP.
io.netty.handler.codec.serialization	Encoder, decoder and their compatibility stream implementations which transform a Serializable object into a byte buffer and vice versa.
io.netty.handler.codec.smtp	SMTP codec.
io.netty.handler.codec.socks	Encoder, decoder and their related message types for Socks.
io.netty.handler.codec.socksx.v4	Encoder, decoder and their related message types for SOCKSv4 protocol.
io.netty.handler.codec.socksx.v5	Encoder, decoder and their related message types for SOCKSv5 protocol.
io.netty.handler.codec.spdy	Encoder, decoder, session handler and their related message types for the SPDY protocol.
io.netty.handler.codec.stomp	STOMP codec
io.netty.handler.codec.string	Encoder and decoder which transform a String into a ByteBuf and vice versa.
io.netty.handler.flow	Package to control the flow of messages.
io.netty.handler.flush	Package to control flush behavior.
io.netty.handler.logging	Logs the I/O events for debugging purpose.
io.netty.handler.pcap	Capture data and write into Pcap format which helps in troubleshooting.
io.netty.handler.proxy	Adds support for client connections via proxy protocols such as SOCKS and HTTP CONNECT tunneling
io.netty.handler.ssl	SSL · TLS implementation based on SSLEngine
io.netty.handler.stream	Writes very large data stream asynchronously neither spending a lot of memory nor getting OutOfMemoryError.
io.netty.handler.timeout	Adds support for read and write timeout and idle connection notification using a Timer.
io.netty.handler.traffic	Implementation of a Traffic Shaping Handler and Dynamic Statistics.

Uses of ChannelOutboundHandler in io.netty.channel

Classes in io.netty.channel with type parameters of type ChannelOutboundHandler

Modifier and Type	Class and Description
class	CombinedChannelDuplexHandler<I extends ChannelInboundHandler,O extends ChannelOutboundHandler> Combines a ChannelInboundHandler and a ChannelOutboundHandler into one ChannelHandler.

Classes in io.netty.channel that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	ChannelDuplexHandler ChannelHandler implementation which represents a combination out of a ChannelInboundHandler and the ChannelOutboundHandler.
class	ChannelOutboundHandlerAdapter Skeleton implementation of a ChannelOutboundHandler.
class	CombinedChannelDuplexHandler<I extends ChannelInboundHandler,O extends ChannelOutboundHandler> Combines a ChannelInboundHandler and a ChannelOutboundHandler into one ChannelHandler.

Uses of ChannelOutboundHandler in io.netty.handler.address

Classes in io.netty.handler.address that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	DynamicAddressConnectHandler ChannelOutboundHandler implementation which allows to dynamically replace the used remoteAddress and / or localAddress when making a connection attempt.
class	ResolveAddressHandler ChannelOutboundHandlerAdapter which will resolve the SocketAddress that is passed to ResolveAddressHandler.connect(ChannelHandlerContext, SocketAddress, SocketAddress, ChannelPromise) if it is not already resolved and the AddressResolver supports the type of SocketAddress.

Uses of ChannelOutboundHandler in io.netty.handler.codec

Classes in io.netty.handler.codec that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	ByteToMessageCodec<I> A Codec for on-the-fly encoding/decoding of bytes to messages and vise-versa.
class	DatagramPacketEncoder<M> An encoder that encodes the content in AddressedEnvelope to DatagramPacket using the specified message encoder.
class	LengthFieldPrepender An encoder that prepends the length of the message.
class	MessageToByteEncoder<I> ChannelOutboundHandlerAdapter which encodes message in a stream-like fashion from one message to an ByteBuf.
class	MessageToMessageCodec<INBOUND_IN,OUTBOUND_IN> A Codec for on-the-fly encoding/decoding of message.
class	MessageToMessageEncoder<I> ChannelOutboundHandlerAdapter which encodes from one message to an other message For example here is an implementation which decodes an Integer to an String.

Uses of ChannelOutboundHandler in io.netty.handler.codec.base64

Classes in io.netty.handler.codec.base64 that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	Base64Encoder Encodes a ByteBuf into a Base64-encoded ByteBuf.

Uses of ChannelOutboundHandler in io.netty.handler.codec.bytes

Classes in io.netty.handler.codec.bytes that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	ByteArrayEncoder Encodes the requested array of bytes into a ByteBuf.

Uses of ChannelOutboundHandler in io.netty.handler.codec.compression

Classes in io.netty.handler.codec.compression that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	BrotliEncoder Compress a ByteBuf with the Brotli compression.
class	Bzip2Encoder Compresses a ByteBuf using the Bzip2 algorithm.
class	FastLzFrameEncoder Compresses a ByteBuf using the FastLZ algorithm.
class	JdkZlibEncoder Compresses a ByteBuf using the deflate algorithm.
class	JZlibEncoder Compresses a ByteBuf using the deflate algorithm.
class	Lz4FrameEncoder Compresses a ByteBuf using the LZ4 format.
class	LzfEncoder Compresses a ByteBuf using the LZF format.
class	LzmaFrameEncoder Compresses a ByteBuf using the LZMA algorithm.
class	SnappyFramedEncoder Deprecated. Use SnappyFrameEncoder instead.
class	SnappyFrameEncoder Compresses a ByteBuf using the Snappy framing format.
class	ZlibEncoder Compresses a ByteBuf using the deflate algorithm.
class	ZstdEncoder Compresses a ByteBuf using the Zstandard algorithm.

Uses of ChannelOutboundHandler in io.netty.handler.codec.dns

Classes in io.netty.handler.codec.dns that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	DatagramDnsQueryEncoder Encodes a DatagramDnsQuery (or an AddressedEnvelope of DnsQuery} into a DatagramPacket.
class	DatagramDnsResponseEncoder Encodes a DatagramDnsResponse (or an AddressedEnvelope of DnsResponse} into a DatagramPacket.
class	TcpDnsQueryEncoder
class	TcpDnsResponseEncoder

Uses of ChannelOutboundHandler in io.netty.handler.codec.haproxy

Classes in io.netty.handler.codec.haproxy that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	HAProxyMessageEncoder Encodes an HAProxy proxy protocol message

Uses of ChannelOutboundHandler in io.netty.handler.codec.http

Classes in io.netty.handler.codec.http that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	HttpClientCodec A combination of HttpRequestEncoder and HttpResponseDecoder which enables easier client side HTTP implementation.
class	HttpClientUpgradeHandler Client-side handler for handling an HTTP upgrade handshake to another protocol.
class	HttpContentCompressor Compresses an HttpMessage and an HttpContent in gzip or deflate encoding while respecting the "Accept-Encoding" header.
class	HttpContentEncoder Encodes the content of the outbound HttpResponse and HttpContent.
class	HttpObjectEncoder<H extends HttpMessage> Encodes an HttpMessage or an HttpContent into a ByteBuf.
class	HttpRequestEncoder Encodes an HttpRequest or an HttpContent into a ByteBuf.
class	HttpResponseEncoder Encodes an HttpResponse or an HttpContent into a ByteBuf.
class	HttpServerCodec A combination of HttpRequestDecoder and HttpResponseEncoder which enables easier server side HTTP implementation.
class	HttpServerKeepAliveHandler HttpServerKeepAliveHandler helps close persistent connections when appropriate.

Uses of ChannelOutboundHandler in io.netty.handler.codec.http.cors

Classes in io.netty.handler.codec.http.cors that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	CorsHandler Handles Cross Origin Resource Sharing (CORS) requests.

Uses of ChannelOutboundHandler in io.netty.handler.codec.http.websocketx

Subinterfaces of ChannelOutboundHandler in io.netty.handler.codec.http.websocketx

Modifier and Type	Interface and Description
interface	WebSocketFrameEncoder Marker interface which all WebSocketFrame encoders need to implement.

Classes in io.netty.handler.codec.http.websocketx that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	WebSocket00FrameEncoder Encodes a WebSocketFrame into a ByteBuf.
class	WebSocket07FrameEncoder Encodes a web socket frame into wire protocol version 7 format.
class	WebSocket08FrameEncoder Encodes a web socket frame into wire protocol version 8 format.
class	WebSocket13FrameEncoder Encodes a web socket frame into wire protocol version 13 format.
class	WebSocketClientProtocolHandler This handler does all the heavy lifting for you to run a websocket client.
class	WebSocketServerProtocolHandler This handler does all the heavy lifting for you to run a websocket server.

Uses of ChannelOutboundHandler in io.netty.handler.codec.http.websocketx.extensions

Classes in io.netty.handler.codec.http.websocketx.extensions that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	WebSocketClientExtensionHandler This handler negotiates and initializes the WebSocket Extensions.
class	WebSocketExtensionEncoder Convenient class for io.netty.handler.codec.http.websocketx.extensions.WebSocketExtension encoder.
class	WebSocketServerExtensionHandler This handler negotiates and initializes the WebSocket Extensions.

Uses of ChannelOutboundHandler in io.netty.handler.codec.http.websocketx.extensions.compression

Classes in io.netty.handler.codec.http.websocketx.extensions.compression that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	WebSocketClientCompressionHandler Extends io.netty.handler.codec.http.websocketx.extensions.compression.WebSocketClientExtensionHandler to handle the most common WebSocket Compression Extensions.
class	WebSocketServerCompressionHandler Extends io.netty.handler.codec.http.websocketx.extensions.compression.WebSocketServerExtensionHandler to handle the most common WebSocket Compression Extensions.

Uses of ChannelOutboundHandler in io.netty.handler.codec.http2

Classes in io.netty.handler.codec.http2 that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	Http2ChannelDuplexHandler A ChannelDuplexHandler providing additional functionality for HTTP/2.
class	Http2ConnectionHandler Provides the default implementation for processing inbound frame events and delegates to a Http2FrameListener This class will read HTTP/2 frames and delegate the events to a Http2FrameListener This interface enforces inbound flow control functionality through Http2LocalFlowController
class	Http2FrameCodec This API is very immature.
class	Http2MultiplexCodec Deprecated. use Http2FrameCodecBuilder together with Http2MultiplexHandler.
class	Http2MultiplexHandler An HTTP/2 handler that creates child channels for each stream.
class	Http2StreamFrameToHttpObjectCodec This handler converts from Http2StreamFrame to HttpObject, and back.
class	HttpToHttp2ConnectionHandler Translates HTTP/1.x object writes into HTTP/2 frames.

Uses of ChannelOutboundHandler in io.netty.handler.codec.marshalling

Classes in io.netty.handler.codec.marshalling that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	CompatibleMarshallingEncoder MessageToByteEncoder implementation which uses JBoss Marshalling to marshal an Object.
class	MarshallingEncoder MessageToByteEncoder implementation which uses JBoss Marshalling to marshal an Object.

Uses of ChannelOutboundHandler in io.netty.handler.codec.memcache

Classes in io.netty.handler.codec.memcache that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	AbstractMemcacheObjectEncoder<M extends MemcacheMessage> A general purpose AbstractMemcacheObjectEncoder that encodes MemcacheMessages.

Uses of ChannelOutboundHandler in io.netty.handler.codec.memcache.binary

Classes in io.netty.handler.codec.memcache.binary that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	AbstractBinaryMemcacheEncoder<M extends BinaryMemcacheMessage> A MessageToByteEncoder that encodes binary memcache messages into bytes.
class	BinaryMemcacheClientCodec The client codec that combines the proper encoder and decoder.
class	BinaryMemcacheRequestEncoder The encoder part which takes care of encoding the request headers.
class	BinaryMemcacheResponseEncoder The encoder which takes care of encoding the response headers.
class	BinaryMemcacheServerCodec The full server codec that combines the correct encoder and decoder.

Uses of ChannelOutboundHandler in io.netty.handler.codec.mqtt

Classes in io.netty.handler.codec.mqtt that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	MqttEncoder 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.

Uses of ChannelOutboundHandler in io.netty.handler.codec.protobuf

Classes in io.netty.handler.codec.protobuf that implement ChannelOutboundHandler

Modifier and Type	Class and Description
class	ProtobufEncoder Encodes the requested Google Protocol Buffers Message and MessageLite into a ByteBuf.
class	ProtobufEncoderNano Encodes the requested Google Protocol Buffers MessageNano into a ByteBuf.
class	ProtobufVarint32LengthFieldPrepender An encoder that prepends the Google Protocol Buffers Uses of ChannelOutboundHandler in io.netty.handler.codec.redis Classes in io.netty.handler.codec.redis that implement ChannelOutboundHandler Modifier and Type Class and Description class RedisEncoder Encodes RedisMessage into bytes following RESP (REdis Serialization Protocol). Uses of ChannelOutboundHandler in io.netty.handler.codec.rtsp Classes in io.netty.handler.codec.rtsp that implement ChannelOutboundHandler Modifier and Type Class and Description class RtspEncoder Encodes an RTSP message represented in HttpMessage or an HttpContent into a ByteBuf. class RtspObjectEncoder<H extends HttpMessage> Deprecated. Use RtspEncoder instead. class RtspRequestEncoder Deprecated. Use RtspEncoder directly instead class RtspResponseEncoder Deprecated. Use RtspEncoder directly instead Uses of ChannelOutboundHandler in io.netty.handler.codec.sctp Classes in io.netty.handler.codec.sctp that implement ChannelOutboundHandler Modifier and Type Class and Description class SctpOutboundByteStreamHandler A ChannelHandler which transform ByteBuf to SctpMessage and send it through a specific stream with given protocol identifier. Uses of ChannelOutboundHandler in io.netty.handler.codec.serialization Classes in io.netty.handler.codec.serialization that implement ChannelOutboundHandler Modifier and Type Class and Description class CompatibleObjectEncoder Deprecated. This class has been deprecated with no replacement, because serialization can be a security liability class ObjectEncoder Deprecated. This class has been deprecated with no replacement, because serialization can be a security liability Uses of ChannelOutboundHandler in io.netty.handler.codec.smtp Classes in io.netty.handler.codec.smtp that implement ChannelOutboundHandler Modifier and Type Class and Description class SmtpRequestEncoder Encoder for SMTP requests. Uses of ChannelOutboundHandler in io.netty.handler.codec.socks Classes in io.netty.handler.codec.socks that implement ChannelOutboundHandler Modifier and Type Class and Description class SocksMessageEncoder Encodes an SocksMessage into a ByteBuf. Uses of ChannelOutboundHandler in io.netty.handler.codec.socksx.v4 Classes in io.netty.handler.codec.socksx.v4 that implement ChannelOutboundHandler Modifier and Type Class and Description class Socks4ClientEncoder Encodes a Socks4CommandRequest into a ByteBuf. class Socks4ServerEncoder Encodes a Socks4CommandResponse into a ByteBuf. Uses of ChannelOutboundHandler in io.netty.handler.codec.socksx.v5 Classes in io.netty.handler.codec.socksx.v5 that implement ChannelOutboundHandler Modifier and Type Class and Description class Socks5ClientEncoder Encodes a client-side Socks5Message into a ByteBuf. class Socks5ServerEncoder Encodes a server-side Socks5Message into a ByteBuf. Uses of ChannelOutboundHandler in io.netty.handler.codec.spdy Classes in io.netty.handler.codec.spdy that implement ChannelOutboundHandler Modifier and Type Class and Description class SpdyFrameCodec A ChannelHandler that encodes and decodes SPDY Frames. class SpdyHttpCodec A combination of SpdyHttpDecoder and SpdyHttpEncoder class SpdyHttpEncoder Encodes HttpRequests, HttpResponses, and HttpContents into SpdySynStreamFrames and SpdySynReplyFrames. class SpdyHttpResponseStreamIdHandler MessageToMessageCodec that takes care of adding the right SpdyHttpHeaders.Names.STREAM_ID to the HttpMessage if one is not present. class SpdySessionHandler Manages streams within a SPDY session. Uses of ChannelOutboundHandler in io.netty.handler.codec.stomp Classes in io.netty.handler.codec.stomp that implement ChannelOutboundHandler Modifier and Type Class and Description class StompSubframeEncoder Encodes a StompFrame or a StompSubframe into a ByteBuf. Uses of ChannelOutboundHandler in io.netty.handler.codec.string Classes in io.netty.handler.codec.string that implement ChannelOutboundHandler Modifier and Type Class and Description class LineEncoder Apply a line separator to the requested String and encode it into a ByteBuf. class StringEncoder Encodes the requested String into a ByteBuf. Uses of ChannelOutboundHandler in io.netty.handler.flow Classes in io.netty.handler.flow that implement ChannelOutboundHandler Modifier and Type Class and Description class FlowControlHandler The FlowControlHandler ensures that only one message per read() is sent downstream. Uses of ChannelOutboundHandler in io.netty.handler.flush Classes in io.netty.handler.flush that implement ChannelOutboundHandler Modifier and Type Class and Description class FlushConsolidationHandler ChannelDuplexHandler which consolidates Channel.flush() / ChannelHandlerContext.flush() operations (which also includes ChannelOutboundInvoker.writeAndFlush(Object) / ChannelOutboundInvoker.writeAndFlush(Object, ChannelPromise) and ChannelOutboundInvoker.writeAndFlush(Object) / ChannelOutboundInvoker.writeAndFlush(Object, ChannelPromise)). Uses of ChannelOutboundHandler in io.netty.handler.logging Classes in io.netty.handler.logging that implement ChannelOutboundHandler Modifier and Type Class and Description class LoggingHandler A ChannelHandler that logs all events using a logging framework. Uses of ChannelOutboundHandler in io.netty.handler.pcap Classes in io.netty.handler.pcap that implement ChannelOutboundHandler Modifier and Type Class and Description class PcapWriteHandler PcapWriteHandler captures ByteBuf from SocketChannel / ServerChannel or DatagramPacket and writes it into Pcap OutputStream. Uses of ChannelOutboundHandler in io.netty.handler.proxy Classes in io.netty.handler.proxy that implement ChannelOutboundHandler Modifier and Type Class and Description class HttpProxyHandler Handler that establishes a blind forwarding proxy tunnel using HTTP/1.1 CONNECT request. class ProxyHandler A common abstraction for protocols that establish blind forwarding proxy tunnels. class Socks4ProxyHandler Handler that establishes a blind forwarding proxy tunnel using SOCKS4 protocol. class Socks5ProxyHandler Handler that establishes a blind forwarding proxy tunnel using SOCKS Protocol Version 5. Uses of ChannelOutboundHandler in io.netty.handler.ssl Classes in io.netty.handler.ssl that implement ChannelOutboundHandler Modifier and Type Class and Description class AbstractSniHandler<T> Enables SNI (Server Name Indication) extension for server side SSL. class SniHandler Enables SNI (Server Name Indication) extension for server side SSL. class SslClientHelloHandler<T> ByteToMessageDecoder which allows to be notified once a full ClientHello was received. class SslHandler Adds SSL · TLS and StartTLS support to a Channel. Uses of ChannelOutboundHandler in io.netty.handler.stream Classes in io.netty.handler.stream that implement ChannelOutboundHandler Modifier and Type Class and Description class ChunkedWriteHandler A ChannelHandler that adds support for writing a large data stream asynchronously neither spending a lot of memory nor getting OutOfMemoryError. Uses of ChannelOutboundHandler in io.netty.handler.timeout Classes in io.netty.handler.timeout that implement ChannelOutboundHandler Modifier and Type Class and Description class IdleStateHandler Triggers an IdleStateEvent when a Channel has not performed read, write, or both operation for a while. class ReadTimeoutHandler Raises a ReadTimeoutException when no data was read within a certain period of time. class WriteTimeoutHandler Raises a WriteTimeoutException when a write operation cannot finish in a certain period of time. Uses of ChannelOutboundHandler in io.netty.handler.traffic Classes in io.netty.handler.traffic that implement ChannelOutboundHandler Modifier and Type Class and Description class AbstractTrafficShapingHandler AbstractTrafficShapingHandler allows to limit the global bandwidth (see GlobalTrafficShapingHandler) or per session bandwidth (see ChannelTrafficShapingHandler), as traffic shaping. class ChannelTrafficShapingHandler This implementation of the AbstractTrafficShapingHandler is for channel traffic shaping, that is to say a per channel limitation of the bandwidth. class GlobalChannelTrafficShapingHandler This implementation of the AbstractTrafficShapingHandler is for global and per channel traffic shaping, that is to say a global limitation of the bandwidth, whatever the number of opened channels and a per channel limitation of the bandwidth. class GlobalTrafficShapingHandler This implementation of the AbstractTrafficShapingHandler is for global traffic shaping, that is to say a global limitation of the bandwidth, whatever the number of opened channels. 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