Uses of Interface
io.netty.channel.ChannelHandler

Packages that use ChannelHandler

Package	Description
io.netty.bootstrap	The helper classes with fluent API which enable an easy implementation of typical client side and server side channel initialization.
io.netty.channel	The core channel API which is asynchronous and event-driven abstraction of various transports such as a NIO Channel.
io.netty.channel.embedded	A virtual Channel that helps wrapping a series of handlers to unit test the handlers or use them in non-I/O context.

Uses of ChannelHandler in io.netty.bootstrap

Methods in io.netty.bootstrap that return ChannelHandler

Modifier and Type	Method and Description
ChannelHandler	ServerBootstrapConfig.childHandler() Returns the configured ChannelHandler be used for the child channels or null if non is configured yet.
ChannelHandler	AbstractBootstrapConfig.handler() Returns the configured ChannelHandler or null if non is configured yet.

Methods in io.netty.bootstrap with parameters of type ChannelHandler

Modifier and Type	Method and Description
ServerBootstrap	ServerBootstrap.childHandler(ChannelHandler childHandler) Set the ChannelHandler which is used to serve the request for the Channel's.
B	AbstractBootstrap.handler(ChannelHandler handler) the ChannelHandler to use for serving the requests.

Uses of ChannelHandler in io.netty.channel

Subinterfaces of ChannelHandler in io.netty.channel

Modifier and Type	Interface and Description
interface	ChannelInboundHandler ChannelHandler which adds callbacks for state changes.
interface	ChannelOutboundHandler ChannelHandler which will get notified for IO-outbound-operations.

Classes in io.netty.channel that implement ChannelHandler

Modifier and Type	Class and Description
class	ChannelDuplexHandler ChannelHandler implementation which represents a combination out of a ChannelInboundHandler and the ChannelOutboundHandler.
class	ChannelHandlerAdapter Skeleton implementation of a ChannelHandler.
class	ChannelInboundHandlerAdapter Abstract base class for ChannelInboundHandler implementations which provide implementations of all of their methods.
class	ChannelInitializer<C extends Channel> A special ChannelInboundHandler which offers an easy way to initialize a Channel once it was registered to its EventLoop.
class	ChannelOutboundHandlerAdapter Skeleton implementation of a ChannelOutboundHandler.
class	CombinedChannelDuplexHandler<I extends ChannelInboundHandler,O extends ChannelOutboundHandler> Combines a ChannelInboundHandler and a ChannelOutboundHandler into one ChannelHandler.
class	SimpleChannelInboundHandler<I> ChannelInboundHandlerAdapter which allows to explicit only handle a specific type of messages.
class	SimpleUserEventChannelHandler<I> ChannelInboundHandlerAdapter which allows to conveniently only handle a specific type of user events.

Methods in io.netty.channel with type parameters of type ChannelHandler

Modifier and Type	Method and Description
<T extends ChannelHandler> T	DefaultChannelPipeline.get(Class<T> handlerType)
<T extends ChannelHandler> T	ChannelPipeline.get(Class<T> handlerType) Returns the ChannelHandler of the specified type in this pipeline.
<T extends ChannelHandler> T	DefaultChannelPipeline.remove(Class<T> handlerType)
<T extends ChannelHandler> T	ChannelPipeline.remove(Class<T> handlerType) Removes the ChannelHandler of the specified type from this pipeline.
<T extends ChannelHandler> T	DefaultChannelPipeline.removeIfExists(ChannelHandler handler)
<T extends ChannelHandler> T	DefaultChannelPipeline.removeIfExists(Class<T> handlerType)
<T extends ChannelHandler> T	DefaultChannelPipeline.removeIfExists(String name)
<T extends ChannelHandler> T	DefaultChannelPipeline.replace(Class<T> oldHandlerType, String newName, ChannelHandler newHandler)
<T extends ChannelHandler> T	ChannelPipeline.replace(Class<T> oldHandlerType, String newName, ChannelHandler newHandler) Replaces the ChannelHandler of the specified type with a new handler in this pipeline.

Methods in io.netty.channel that return ChannelHandler

Modifier and Type	Method and Description
ChannelHandler	DefaultChannelPipeline.first()
ChannelHandler	ChannelPipeline.first() Returns the first ChannelHandler in this pipeline.
ChannelHandler	DefaultChannelPipeline.get(String name)
ChannelHandler	ChannelPipeline.get(String name) Returns the ChannelHandler with the specified name in this pipeline.
ChannelHandler	ChannelHandlerContext.handler() The ChannelHandler that is bound this ChannelHandlerContext.
ChannelHandler	DefaultChannelPipeline.last()
ChannelHandler	ChannelPipeline.last() Returns the last ChannelHandler in this pipeline.
ChannelHandler	DefaultChannelPipeline.remove(String name)
ChannelHandler	ChannelPipeline.remove(String name) Removes the ChannelHandler with the specified name from this pipeline.
ChannelHandler	DefaultChannelPipeline.removeFirst()
ChannelHandler	ChannelPipeline.removeFirst() Removes the first ChannelHandler in this pipeline.
ChannelHandler	DefaultChannelPipeline.removeLast()
ChannelHandler	ChannelPipeline.removeLast() Removes the last ChannelHandler in this pipeline.
ChannelHandler	DefaultChannelPipeline.replace(String oldName, String newName, ChannelHandler newHandler)
ChannelHandler	ChannelPipeline.replace(String oldName, String newName, ChannelHandler newHandler) Replaces the ChannelHandler of the specified name with a new handler in this pipeline.

Methods in io.netty.channel that return types with arguments of type ChannelHandler

Modifier and Type	Method and Description
Iterator<Map.Entry<String,ChannelHandler>>	DefaultChannelPipeline.iterator()
Map<String,ChannelHandler>	DefaultChannelPipeline.toMap()
Map<String,ChannelHandler>	ChannelPipeline.toMap() Converts this pipeline into an ordered Map whose keys are handler names and whose values are handlers.

Methods in io.netty.channel with parameters of type ChannelHandler

Modifier and Type	Method and Description
ChannelPipeline	DefaultChannelPipeline.addAfter(io.netty.util.concurrent.EventExecutorGroup group, String baseName, String name, ChannelHandler handler)
ChannelPipeline	ChannelPipeline.addAfter(io.netty.util.concurrent.EventExecutorGroup group, String baseName, String name, ChannelHandler handler) Inserts a ChannelHandler after an existing handler of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addAfter(String baseName, String name, ChannelHandler handler)
ChannelPipeline	ChannelPipeline.addAfter(String baseName, String name, ChannelHandler handler) Inserts a ChannelHandler after an existing handler of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addBefore(io.netty.util.concurrent.EventExecutorGroup group, String baseName, String name, ChannelHandler handler)
ChannelPipeline	ChannelPipeline.addBefore(io.netty.util.concurrent.EventExecutorGroup group, String baseName, String name, ChannelHandler handler) Inserts a ChannelHandler before an existing handler of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addBefore(String baseName, String name, ChannelHandler handler)
ChannelPipeline	ChannelPipeline.addBefore(String baseName, String name, ChannelHandler handler) Inserts a ChannelHandler before an existing handler of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addFirst(ChannelHandler... handlers)
ChannelPipeline	ChannelPipeline.addFirst(ChannelHandler... handlers) Inserts ChannelHandlers at the first position of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addFirst(ChannelHandler handler)
ChannelPipeline	DefaultChannelPipeline.addFirst(io.netty.util.concurrent.EventExecutorGroup executor, ChannelHandler... handlers)
ChannelPipeline	ChannelPipeline.addFirst(io.netty.util.concurrent.EventExecutorGroup group, ChannelHandler... handlers) Inserts ChannelHandlers at the first position of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addFirst(io.netty.util.concurrent.EventExecutorGroup group, String name, ChannelHandler handler)
ChannelPipeline	ChannelPipeline.addFirst(io.netty.util.concurrent.EventExecutorGroup group, String name, ChannelHandler handler) Inserts a ChannelHandler at the first position of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addFirst(String name, ChannelHandler handler)
ChannelPipeline	ChannelPipeline.addFirst(String name, ChannelHandler handler) Inserts a ChannelHandler at the first position of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addLast(ChannelHandler... handlers)
ChannelPipeline	ChannelPipeline.addLast(ChannelHandler... handlers) Inserts ChannelHandlers at the last position of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addLast(ChannelHandler handler)
ChannelPipeline	DefaultChannelPipeline.addLast(io.netty.util.concurrent.EventExecutorGroup executor, ChannelHandler... handlers)
ChannelPipeline	ChannelPipeline.addLast(io.netty.util.concurrent.EventExecutorGroup group, ChannelHandler... handlers) Inserts ChannelHandlers at the last position of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addLast(io.netty.util.concurrent.EventExecutorGroup group, String name, ChannelHandler handler)
ChannelPipeline	ChannelPipeline.addLast(io.netty.util.concurrent.EventExecutorGroup group, String name, ChannelHandler handler) Appends a ChannelHandler at the last position of this pipeline.
ChannelPipeline	DefaultChannelPipeline.addLast(String name, ChannelHandler handler)
ChannelPipeline	ChannelPipeline.addLast(String name, ChannelHandler handler) Appends a ChannelHandler at the last position of this pipeline.
ChannelHandlerContext	DefaultChannelPipeline.context(ChannelHandler handler)
ChannelHandlerContext	ChannelPipeline.context(ChannelHandler handler) Returns the context object of the specified ChannelHandler in this pipeline.
ChannelPipeline	DefaultChannelPipeline.remove(ChannelHandler handler)
ChannelPipeline	ChannelPipeline.remove(ChannelHandler handler) Removes the specified ChannelHandler from this pipeline.
<T extends ChannelHandler> T	DefaultChannelPipeline.removeIfExists(ChannelHandler handler)
ChannelPipeline	DefaultChannelPipeline.replace(ChannelHandler oldHandler, String newName, ChannelHandler newHandler)
ChannelPipeline	ChannelPipeline.replace(ChannelHandler oldHandler, String newName, ChannelHandler newHandler) Replaces the specified ChannelHandler with a new handler in this pipeline.
<T extends ChannelHandler> T	DefaultChannelPipeline.replace(Class<T> oldHandlerType, String newName, ChannelHandler newHandler)
<T extends ChannelHandler> T	ChannelPipeline.replace(Class<T> oldHandlerType, String newName, ChannelHandler newHandler) Replaces the ChannelHandler of the specified type with a new handler in this pipeline.
ChannelHandler	DefaultChannelPipeline.replace(String oldName, String newName, ChannelHandler newHandler)
ChannelHandler	ChannelPipeline.replace(String oldName, String newName, ChannelHandler newHandler) Replaces the ChannelHandler of the specified name with a new handler in this pipeline.

Method parameters in io.netty.channel with type arguments of type ChannelHandler

Modifier and Type	Method and Description
ChannelHandlerContext	DefaultChannelPipeline.context(Class<? extends ChannelHandler> handlerType)
ChannelHandlerContext	ChannelPipeline.context(Class<? extends ChannelHandler> handlerType) Returns the context object of the ChannelHandler of the specified type in this pipeline.

Uses of ChannelHandler in io.netty.channel.embedded

Constructors in io.netty.channel.embedded with parameters of type ChannelHandler

Constructor and Description
EmbeddedChannel(boolean register, boolean hasDisconnect, ChannelHandler... handlers) Create a new instance with the pipeline initialized with the specified handlers.
EmbeddedChannel(boolean hasDisconnect, ChannelHandler... handlers) Create a new instance with the pipeline initialized with the specified handlers.
EmbeddedChannel(Channel parent, ChannelId channelId, boolean register, boolean hasDisconnect, ChannelHandler... handlers) Create a new instance with the channel ID set to the given ID and the pipeline initialized with the specified handlers.
EmbeddedChannel(ChannelHandler... handlers) Create a new instance with the pipeline initialized with the specified handlers.
EmbeddedChannel(ChannelId channelId, boolean register, boolean hasDisconnect, ChannelHandler... handlers) Create a new instance with the channel ID set to the given ID and the pipeline initialized with the specified handlers.
EmbeddedChannel(ChannelId channelId, boolean hasDisconnect, ChannelConfig config, ChannelHandler... handlers) Create a new instance with the channel ID set to the given ID and the pipeline initialized with the specified handlers.
EmbeddedChannel(ChannelId channelId, boolean hasDisconnect, ChannelHandler... handlers) Create a new instance with the channel ID set to the given ID and the pipeline initialized with the specified handlers.
EmbeddedChannel(ChannelId channelId, ChannelHandler... handlers) Create a new instance with the channel ID set to the given ID and the pipeline initialized with the specified handlers.