Uses of Package
io.netty.util

Packages that use io.netty.util

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.buffer	Abstraction of a byte buffer - the fundamental data structure to represent a low-level binary and text message.
io.netty.buffer.search	Utility classes for performing efficient substring search within ByteBuf.
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.
io.netty.channel.epoll	Optimized transport for linux which uses EPOLL Edge-Triggered Mode for maximal performance.
io.netty.channel.kqueue	BSD specific transport.
io.netty.channel.local	A virtual transport that enables the communication between the two parties in the same virtual machine.
io.netty.channel.nio	NIO-based channel API implementation - recommended for a large number of connections (>= 1000).
io.netty.channel.oio	Old blocking I/O based channel API implementation - recommended for a small number of connections (< 1000).
io.netty.channel.rxtx	A serial and parallel port communication transport based on RXTX.
io.netty.channel.sctp	Abstract SCTP socket interfaces which extend the core channel API.
io.netty.channel.sctp.nio	NIO-based SCTP Channel API implementation - recommended for a large number of connections (>= 1000).
io.netty.channel.sctp.oio	Old blocking I/O based SCTP channel API implementation - recommended for a small number of connections (< 1000).
io.netty.channel.socket	Abstract TCP and UDP socket interfaces which extend the core channel API.
io.netty.channel.socket.nio	NIO-based socket channel API implementation - recommended for a large number of connections (>= 1000).
io.netty.channel.socket.oio	Old blocking I/O based socket channel API implementation - recommended for a small number of connections (< 1000).
io.netty.channel.udt	UDT Transport.
io.netty.channel.udt.nio	UDT Transport for NIO Channels.
io.netty.channel.unix	Unix specific transport.
io.netty.channel.uring	io_uring is a high I/O performance scalable interface for fully asynchronous Linux syscalls.
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.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.multipart	HTTP multipart support.
io.netty.handler.codec.http.websocketx	Encoder, decoder, handshakers and their related message types for Web Socket data frames.
io.netty.handler.codec.http2	Handlers for sending and receiving HTTP/2 frames.
io.netty.handler.codec.http3	HTTP/3 implementation.
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.quic	QUIC implementation
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.smtp	SMTP codec.
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.ssl	SSL · TLS implementation based on SSLEngine
io.netty.handler.ssl.ocsp	Certificate validation using OCSP
io.netty.resolver.dns	An alternative to Java's built-in domain name lookup mechanism that resolves a domain name asynchronously, which supports the queries of an arbitrary DNS record type as well.
io.netty.util	Utility classes used across multiple packages.
io.netty.util.internal	Internal-use-only utilities which is not allowed to be used outside Netty.
io.netty.util.test	Test utilities for netty-common.

Classes in io.netty.util used by io.netty.bootstrap

Class	Description
AttributeKey	Key which can be used to access Attribute out of the AttributeMap.

Classes in io.netty.util used by io.netty.buffer

Class	Description
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
ByteProcessor	Provides a mechanism to iterate over a collection of bytes.
ReferenceCounted	A reference-counted object that requires explicit deallocation.
ResourceLeakDetector.LeakListener

Classes in io.netty.util used by io.netty.buffer.search

Class	Description
ByteProcessor	Provides a mechanism to iterate over a collection of bytes.

Classes in io.netty.util used by io.netty.channel

Class	Description
AbstractConstant	Base implementation of Constant.
AbstractReferenceCounted	Abstract base class for classes wants to implement ReferenceCounted.
Attribute	An attribute which allows to store a value reference.
AttributeKey	Key which can be used to access Attribute out of the AttributeMap.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.
IntSupplier	Represents a supplier of int-valued results.
ReferenceCounted	A reference-counted object that requires explicit deallocation.
UncheckedBooleanSupplier	Represents a supplier of boolean-valued results which doesn't throw any checked exceptions.

Classes in io.netty.util used by io.netty.channel.embedded

Class	Description
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.epoll

Class	Description
AbstractConstant	Base implementation of Constant.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.channel.kqueue

Class	Description
AbstractConstant	Base implementation of Constant.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.local

Class	Description
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.nio

Class	Description
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.channel.oio

Class	Description
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.rxtx

Class	Description
AbstractConstant	Base implementation of Constant.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.sctp

Class	Description
AbstractConstant	Base implementation of Constant.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.channel.sctp.nio

Class	Description
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.sctp.oio

Class	Description
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.socket

Class	Description
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.channel.socket.nio

Class	Description
AbstractConstant	Base implementation of Constant.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.socket.oio

Class	Description
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.udt

Class	Description
AbstractConstant	Base implementation of Constant.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.channel.udt.nio

Class	Description
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.channel.unix

Class	Description
AbstractConstant	Base implementation of Constant.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.channel.uring

Class	Description
AbstractConstant	Base implementation of Constant.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
DefaultAttributeMap	Default AttributeMap implementation which not exibit any blocking behaviour on attribute lookup while using a copy-on-write approach on the modify path. Attributes lookup and remove exibit O(logn) time worst-case complexity, hence attribute::set(null) is to be preferred to remove.

Classes in io.netty.util used by io.netty.handler.codec

Class	Description
HashingStrategy	Abstraction for hash code generation and equality comparison.
Signal	A special Error which is used to signal some state or request by throwing it.

Classes in io.netty.util used by io.netty.handler.codec.dns

Class	Description
AbstractReferenceCounted	Abstract base class for classes wants to implement ReferenceCounted.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.haproxy

Class	Description
AbstractReferenceCounted	Abstract base class for classes wants to implement ReferenceCounted.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.http

Class	Description
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.http.multipart

Class	Description
AbstractReferenceCounted	Abstract base class for classes wants to implement ReferenceCounted.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.http.websocketx

Class	Description
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.http2

Class	Description
AbstractConstant	Base implementation of Constant.
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
AttributeKey	Key which can be used to access Attribute out of the AttributeMap.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.http3

Class	Description
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.memcache

Class	Description
AbstractReferenceCounted	Abstract base class for classes wants to implement ReferenceCounted.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.memcache.binary

Class	Description
AbstractReferenceCounted	Abstract base class for classes wants to implement ReferenceCounted.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.mqtt

Class	Description
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.quic

Class	Description
AbstractConstant	Base implementation of Constant.
AttributeKey	Key which can be used to access Attribute out of the AttributeMap.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
Mapping	Maintains the mapping from the objects of one type to the objects of the other type.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.redis

Class	Description
AbstractReferenceCounted	Abstract base class for classes wants to implement ReferenceCounted.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.rtsp

Class	Description
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.

Classes in io.netty.util used by io.netty.handler.codec.smtp

Class	Description
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.spdy

Class	Description
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.codec.stomp

Class	Description
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.ssl

Class	Description
AbstractConstant	Base implementation of Constant.
AbstractReferenceCounted	Abstract base class for classes wants to implement ReferenceCounted.
AsyncMapping
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
Constant	A singleton which is safe to compare via the == operator.
DomainNameMapping	Deprecated. Use DomainWildcardMappingBuilder}
Mapping	Maintains the mapping from the objects of one type to the objects of the other type.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.handler.ssl.ocsp

Class	Description
AttributeKey	Key which can be used to access Attribute out of the AttributeMap.

Classes in io.netty.util used by io.netty.resolver.dns

Class	Description
AttributeKey	Key which can be used to access Attribute out of the AttributeMap.

Classes in io.netty.util used by io.netty.util

Class	Description
AbstractConstant	Base implementation of Constant.
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
Attribute	An attribute which allows to store a value reference.
AttributeKey	Key which can be used to access Attribute out of the AttributeMap.
AttributeMap	Holds Attributes which can be accessed via AttributeKey.
BooleanSupplier	Represents a supplier of boolean-valued results.
ByteProcessor	Provides a mechanism to iterate over a collection of bytes.
Constant	A singleton which is safe to compare via the == operator.
DomainMappingBuilder	Deprecated. Use DomainWildcardMappingBuilder instead.
DomainNameMapping	Deprecated. Use DomainWildcardMappingBuilder}
DomainNameMappingBuilder	Deprecated. Use DomainWildcardMappingBuilder
DomainWildcardMappingBuilder	Builder that allows to build Mappings that support DNS wildcard matching.
HashingStrategy	Abstraction for hash code generation and equality comparison.
LeakPresenceDetector.AllocationProhibitedException	Special exception type to show that an allocation is prohibited at the moment, for example because the LeakPresenceDetector.ResourceScope is closed, or because the current thread cannot be associated with a particular scope.
LeakPresenceDetector.ResourceScope	A resource scope keeps track of the resources for a particular set of threads.
Mapping	Maintains the mapping from the objects of one type to the objects of the other type.
Recycler	Light-weight object pool based on a thread-local stack.
Recycler.Handle
ReferenceCounted	A reference-counted object that requires explicit deallocation.
ResourceLeak	Deprecated. please use ResourceLeakTracker as it may lead to false-positives.
ResourceLeakDetector
ResourceLeakDetector.LeakListener
ResourceLeakDetector.Level	Represents the level of resource leak detection.
ResourceLeakDetectorFactory	This static factory should be used to load ResourceLeakDetectors as needed
ResourceLeakTracker
Signal	A special Error which is used to signal some state or request by throwing it.
Timeout	A handle associated with a TimerTask that is returned by a Timer.
Timer	Schedules TimerTasks for one-time future execution in a background thread.
TimerTask	A task which is executed after the delay specified with Timer.newTimeout(TimerTask, long, TimeUnit).
UncheckedBooleanSupplier	Represents a supplier of boolean-valued results which doesn't throw any checked exceptions.
Version	Retrieves the version information of available Netty artifacts.

Classes in io.netty.util used by io.netty.util.internal

Class	Description
AsciiString	A string which has been encoded into a character encoding whose character always takes a single byte, similarly to ASCII.
ReferenceCounted	A reference-counted object that requires explicit deallocation.

Classes in io.netty.util used by io.netty.util.test

Class	Description
LeakPresenceDetector	Alternative leak detector implementation for reliable and performant detection in tests.
LeakPresenceDetector.AllocationProhibitedException	Special exception type to show that an allocation is prohibited at the moment, for example because the LeakPresenceDetector.ResourceScope is closed, or because the current thread cannot be associated with a particular scope.
LeakPresenceDetector.ResourceScope	A resource scope keeps track of the resources for a particular set of threads.
ResourceLeakDetector