All Classes

Class	Description
AbstractAuthenticationHandler
AbstractBackoff	AbstractBackoff is an abstract class that provides a common implementation for managing backoff behavior in HttpClient connection pool.
AbstractBinaryAsyncCacheStorage<CAS>	Abstract cache backend for serialized binary objects capable of CAS (compare-and-swap) updates.
AbstractBinaryCacheStorage<CAS>	Abstract cache backend for serialized binary objects capable of CAS (compare-and-swap) updates.
AbstractBinPushConsumer	Abstract push response consumer that processes response body data as an octet stream.
AbstractBinResponseConsumer<T>	Abstract response consumer that processes response body data as an octet stream.
AbstractCharPushConsumer	Abstract push response consumer that processes response body data as a character stream.
AbstractCharResponseConsumer<T>	Abstract response consumer that processes response body data as a character stream.
AbstractClientTlsStrategy
AbstractContentBody
AbstractCookieAttributeHandler
AbstractCookieSpec	Abstract cookie specification which can delegate the job of parsing, validation or matching cookie attributes to a number of arbitrary CookieAttributeHandlers.
AbstractHttpAsyncClientBase
AbstractHttpAsyncClientBase.Status
AbstractHttpClientResponseHandler<T>	A generic HttpClientResponseHandler that works with the response entity for successful (2xx) responses.
AbstractMinimalHttpAsyncClientBase
AbstractMultipartFormat	HttpMultipart represents a collection of MIME multipart encoded content bodies.
AbstractSerializingAsyncCacheStorage<T,CAS>	Abstract cache backend for serialized objects capable of CAS (compare-and-swap) updates.
AbstractSerializingCacheStorage<T,CAS>	Abstract cache backend for serialized objects capable of CAS (compare-and-swap) updates.
AbstractSimpleServerExchangeHandler
AIMDBackoffManager	The AIMDBackoffManager applies an additive increase, multiplicative decrease (AIMD) to managing a dynamic limit to the number of connections allowed to a given host.
Async	Asynchronous executor for Requests.
Async.ExecRunnable<T>
AsyncCachingExec	Request executor in the request execution chain that is responsible for transparent client-side caching.
AsyncCachingExec.AsyncExecCallbackWrapper
AsyncClientConnectionManager	Represents a manager of persistent non-blocking client connections.
AsyncClientConnectionOperator	Connection operator that performs connection connect and upgrade operations.
AsyncConnectExec	Request execution handler in the asynchronous request execution chain that is responsible for establishing connection to the target origin server as specified by the current connection route.
AsyncConnectExec.State
AsyncConnectionEndpoint	Client connection endpoint that can be used to execute message exchanges.
AsyncEchoHandler	A handler that echos the incoming request entity.
AsyncExecCallback	AsyncExecCallback methods represent response processing events in the client side request execution chain.
AsyncExecChain	Represents a single element in the client side asynchronous request execution chain.
AsyncExecChain.Scheduler	Request execution scheduler
AsyncExecChain.Scope	Request execution scope that includes the unique message exchange ID, the connection route, the original request message, the execution context and the internal execution runtime.
AsyncExecChainElement
AsyncExecChainHandler	Abstract request execution handler in an asynchronous client side request execution chain.
AsyncExecRuntime	Execution runtime that provides access to the underlying connection endpoint and helps manager its life cycle.
AsyncHttpRequestRetryExec	Request executor in the asynchronous request execution chain that is responsible for making a decision whether a request that failed due to an I/O exception or received a specific response from the target server should be re-executed.
AsyncHttpRequestRetryExec.State
AsyncProtocolExec	Request execution handler in the asynchronous request execution chain that is responsible for implementation of HTTP specification requirements.
AsyncPushConsumerRegistry
AsyncRandomHandler	A handler that generates random data.
AsyncRandomHandler.RandomBinAsyncEntityProducer	An entity that generates random data.
AsyncRedirectExec	Request execution handler in the asynchronous request execution chain responsible for handling of request redirects.
AsyncRedirectExec.State
AuthCache	This interface represents an cache of AuthScheme state information that can be re-used for preemptive authentication by subsequent requests.
AuthCacheKeeper	Utility class that implements commons aspects of the client side authentication cache keeping.
AuthChallenge	This class represents an authentication challenge consisting of a auth scheme and either a single parameter or a list of name / value pairs.
AuthChallengeParser	Authentication challenge parser.
AuthChallengeParser.ChallengeInt
AuthenticatingAsyncDecorator
AuthenticatingDecorator
AuthenticationException	Signals a failure in authentication process
AuthenticationHandler<T>
AuthenticationStrategy	Strategy to select auth schemes in order of preference based on auth challenges presented by the opposite endpoint (target server or a proxy).
Authenticator
AuthExchange	This class represents the actual state of authentication handshake including the current AuthScheme used for request authorization as well as a collection of backup authentication options if available.
AuthExchange.State
AuthResult
AuthScheme	This interface represents an abstract challenge-response oriented authentication scheme.
AuthSchemeFactory	Factory for AuthScheme implementations.
AuthSchemeSupport
AuthScope	AuthScope represents an authentication scope consisting of an application protocol, a host name, a port number, a realm name and an authentication scheme name.
AuthStateCacheable	Indicates that the state of an AuthScheme can be cached and re-used for preemptive authentication by subsequent requests.
BackoffManager	Represents a controller that dynamically adjusts the size of an available connection pool based on feedback from using the connections.
BackoffStrategyExec	Request execution handler in the classic request execution chain that is responsible for execution of an ConnectionBackoffStrategy.
Base64	Provide implementations of the Base64 conversion methods from Commons Codec, delegating to the Java Base64 implementation.
BasicAuthCache	Default implementation of AuthCache.
BasicAuthCache.Key
BasicAuthenticationHandler
BasicAuthTokenExtractor	Deprecated. Use BasicAuthenticationHandler.
BasicClientCookie	Default implementation of SetCookie.
BasicCookieStore	Default implementation of CookieStore
BasicCredentialsProvider	Default implementation of CredentialsStore.
BasicDomainHandler	Cookie domain attribute handler.
BasicExpiresHandler	Cookie expires attribute handler.
BasicHttpAsyncCache
BasicHttpCache
BasicHttpCacheStorage	Basic HttpCacheStorage implementation backed by an instance of LinkedHashMap.
BasicHttpClientConnectionManager	A connection manager for a single connection.
BasicHttpClientResponseHandler	A HttpClientResponseHandler that returns the response body as a String for successful (2xx) responses.
BasicHttpOnlyHandler	Cookie HttpOnly attribute handler.
BasicHttpRequests	Deprecated. Use BasicRequestBuilder.
BasicIdGenerator	Should produce reasonably unique tokens.
BasicMaxAgeHandler	Cookie max-age attribute handler.
BasicPathHandler	Cookie path attribute handler.
BasicRouteDirector	Basic HttpRouteDirector implementation.
BasicScheme	Basic authentication scheme.
BasicSchemeFactory	AuthSchemeFactory implementation that creates and initializes BasicScheme instances.
BasicSecureHandler	Cookie secure attribute handler.
BasicUserPrincipal	Basic username based principal representation.
BearerAuthenticationHandler
BearerScheme	Bearer authentication scheme.
BearerSchemeFactory	AuthSchemeFactory implementation that creates and initializes BearerScheme instances.
BearerToken	Opaque token Credentials usually representing a set of claims, often encrypted or signed.
BrotliDecompressingEntity	HttpEntityWrapper responsible for handling br Content Coded responses.
BrotliInputStreamFactory	InputStreamFactory for handling Brotli Content Coded responses.
ByteArrayBody	Binary body part backed by a byte array.
ByteArrayBuilder	Builder class for sequences of bytes.
ByteArrayCacheEntrySerializer	HttpCacheEntrySerializer implementation that uses the default (native) serialization.
ByteArrayCacheEntrySerializer.RestrictedObjectInputStream
CacheableRequestPolicy	Determines if an HttpRequest is allowed to be served from the cache.
CacheConfig	Java Beans-style configuration for caching HttpClient.
CacheConfig.Builder
CachedHttpResponseGenerator	Rebuilds an HttpResponse from a HttpCacheEntry
CachedResponseSuitabilityChecker	Determines whether a given HttpCacheEntry is suitable to be used as a response for a given HttpRequest.
CacheInvalidatorBase
CacheKeyGenerator
CacheMap
CacheResponseStatus	This enumeration represents the various ways a response can be generated by the caching HttpClient; if a request is executed with an HttpCacheContext then a parameter with one of these values will be registered in the context under the key HttpCacheContext.CACHE_RESPONSE_STATUS.
CacheRevalidatorBase	Abstract cache re-validation class.
CacheRevalidatorBase.ScheduledExecutor
CacheUpdateHandler	Creates new HttpCacheEntrys and updates existing ones with new or updated information based on the response from the origin server.
CacheValidityPolicy
CachingExec	Request executor in the request execution chain that is responsible for transparent client-side caching.
CachingExecBase
CachingH2AsyncClientBuilder	Builder for HTTP/2 CloseableHttpAsyncClient instances capable of client-side caching.
CachingHttpAsyncClientBuilder	Builder for CloseableHttpAsyncClient instances capable of client-side caching.
CachingHttpAsyncClients	Factory methods for CloseableHttpAsyncClient instances capable of client-side caching.
CachingHttpClientBuilder	Builder for CloseableHttpClient instances capable of client-side caching.
CachingHttpClients	Factory methods for CloseableHttpClient instances capable of client-side caching.
ChainElement	Supported elements of request execution pipeline.
ChallengeType	Challenge type (TARGET or PROXY)
CircularRedirectException	Signals a circular redirect
ClassicHttpRequests	Deprecated. Use ClassicRequestBuilder
ClassicRequestCopier	Deprecated. Use ClassicRequestBuilder
ClientProtocolException	Signals an error in the HTTP protocol.
ClientTlsStrategyBuilder	Builder for client TlsStrategy instances.
Clock
CloseableHttpAsyncClient	Base implementation of HttpAsyncClient that also implements ModalCloseable.
CloseableHttpClient	Base implementation of HttpClient that also implements ModalCloseable.
CloseableHttpResponse	Provided for backward compatibility with HttpClient 4.x.
CombinedEntity
CommonCookieAttributeHandler	Extension of CookieAttributeHandler intended to handle one specific common attribute whose name is returned with CommonCookieAttributeHandler.getAttributeName() method.
ConcurrentCountMap<T>	Concurrent map of integer counts.
ConditionalRequestBuilder<T extends org.apache.hc.core5.http.HttpRequest>
Configurable	Configuration interface for HTTP requests.
ConfigurableHttpRequest	HTTP request message with a custom configuration.
ConnectExceptionSupport	Connect exception support methods.
ConnectExec	Request execution handler in the classic request execution chain that is responsible for establishing connection to the target origin server as specified by the current connection route.
ConnectionBackoffStrategy	When managing a dynamic number of connections for a given route, this strategy assesses whether a given request execution outcome should result in a backoff signal or not, based on either examining the Throwable that resulted or by examining the resulting response (e.g.
ConnectionConfig	Immutable class encapsulating connection initialization and management settings.
ConnectionConfig.Builder
ConnectionEndpoint	Client endpoint leased from a connection manager.
ConnectionKeepAliveStrategy	Interface for deciding how long a connection can remain idle before being reused.
ConnectionShutdownException	Signals that the connection has been shut down or released back to the the connection pool
ConnectionSocketFactory	A factory for creating and connecting connection sockets.
ConnectTimeoutException	A timeout while connecting to an HTTP server or waiting for an available connection from a connection manager.
ConnPoolSupport	Connection pooling support methods.
Content	This class represents arbitrary content of a specific type that can be consumed multiple times and requires no explicit deallocation used by the fluent facade.
ContentBody
ContentCompressionExec	Request execution handler in the classic request execution chain that is responsible for automatic response content decompression.
ContentDescriptor	Represents common content properties.
ContentResponseHandler	HttpClientResponseHandler implementation that converts HttpResponse messages to Content instances.
ContextBuilder	HttpClientContext builder.
Cookie	Cookie interface represents a token or short packet of state information (also referred to as "magic-cookie") that the HTTP agent and the target server can exchange to maintain a session.
CookieAttributeHandler	This interface represents a cookie attribute handler responsible for parsing, validating, and matching a specific cookie attribute, such as path, domain, port, etc.
CookieIdentityComparator	This cookie comparator can be used to compare identity of cookies.
CookieOrigin	CookieOrigin class encapsulates details of an origin server that are relevant when parsing, validating or matching HTTP cookies.
CookiePathComparator	This cookie comparator ensures that multiple cookies satisfying a common criteria are ordered in the Cookie header such that those with more specific Path attributes precede those with less specific.
CookiePriorityComparator	This cookie comparator ensures that cookies with longer paths take precedence over cookies with shorter path.
CookieRestrictionViolationException	Signals that a cookie violates a restriction imposed by the cookie specification.
CookieSpec	Defines the cookie management specification.
CookieSpecBase	Cookie management functions shared by all specification.
CookieSpecFactory	Factory for CookieSpec implementations.
CookieSpecSupport	Cookie support methods.
CookieStore	This interface represents an abstract store for Cookie objects.
Credentials	This interface represents a set of credentials consisting of a security principal and a secret (password) that can be used to establish user identity
CredentialsMatcher
CredentialsProvider	Provider of authentication credentials.
CredentialsProviderBuilder	CredentialsProvider builder.
CredentialsProviderBuilder.Entry
CredentialsStore	Abstract store of authentication credentials.
DateSupport	HTTP cache date support utilities.
DateUtils	A utility class for parsing and formatting HTTP dates as used in cookies and other headers.
DecompressingEntity	Common base class for decompressing HttpEntity implementations.
DefaultAsyncCacheInvalidator	Given a particular HTTP request / response pair, flush any cache entries that this exchange would invalidate.
DefaultAsyncCacheRevalidator	Class used for asynchronous revalidations to be used when the stale-while-revalidate directive is present
DefaultAsyncCacheRevalidator.InternalScheduledExecutor
DefaultAsyncCacheRevalidator.RevalidationCall
DefaultAsyncClientConnectionOperator
DefaultAuthenticationStrategy	Default implementation of AuthenticationStrategy
DefaultBackoffStrategy	This ConnectionBackoffStrategy backs off either for a raw network socket or connection timeout or if the server explicitly sends a 429 (Too Many Requests) or a 503 (Service Unavailable) response.
DefaultCacheInvalidator	Given a particular HTTP request / response pair, flush any cache entries that this exchange would invalidate.
DefaultCacheRevalidator	Class used for asynchronous revalidations to be used when the stale-while-revalidate directive is present
DefaultCacheRevalidator.RevalidationCall
DefaultClientConnectionReuseStrategy	Extension of core DefaultConnectionReuseStrategy that treats CONNECT method exchanges involved in proxy tunnelling as a special case.
DefaultClientTlsStrategy	TLS upgrade strategy for non-blocking client connections.
DefaultConnectionKeepAliveStrategy	Default implementation of a strategy deciding duration that a connection can remain idle.
DefaultHostnameVerifier	Default HostnameVerifier implementation.
DefaultHostnameVerifier.HostNameType
DefaultHttpClientConnectionOperator	Default implementation of HttpClientConnectionOperator used as default in Http client, when no instance provided by user to BasicHttpClientConnectionManager or PoolingHttpClientConnectionManager constructor.
DefaultHttpRequestRetryStrategy	Default implementation of the HttpRequestRetryStrategy interface.
DefaultHttpResponseParserFactory	Default factory for response message parsers.
DefaultManagedAsyncClientConnection
DefaultManagedHttpClientConnection
DefaultProxyRoutePlanner	Implementation of an HttpRoutePlanner that routes requests through a default proxy.
DefaultRedirectStrategy	Default implementation of RedirectStrategy.
DefaultRoutePlanner	Default implementation of an HttpRoutePlanner.
DefaultSchemePortResolver	Default SchemePortResolver.
DefaultUserTokenHandler	Default implementation of UserTokenHandler.
DeflateDecompressingEntity	HttpEntityWrapper responsible for handling deflate Content Coded responses.
DeflateInputStream	Deflate input stream.
DeflateInputStream.DeflateStream
DeflateInputStreamFactory	InputStreamFactory for handling Deflate Content Coded responses.
DigestScheme	Digest authentication scheme.
DigestScheme.QualityOfProtection	Represent the possible values of quality of protection.
DigestSchemeFactory	AuthSchemeFactory implementation that creates and initializes DigestScheme instances.
DistinguishedNameParser
DistinguishedNameParser.InternalTokenParser
DistributedProxySelector	A DistributedProxySelector is a custom ProxySelector implementation that delegates proxy selection to a list of underlying ProxySelectors in a distributed manner.
DnsResolver	Users may implement this interface to override the normal DNS lookup offered by the OS.
DnsUtils	A collection of utilities relating to Domain Name System.
DomainType	Domain types differentiated by Mozilla Public Suffix List.
EchoHandler	A handler that echos the incoming request entity.
EntityBuilder	Builder for HttpEntity instances.
ExecChain	Represents a single element in the client side classic request execution chain.
ExecChain.Scope
ExecChainElement
ExecChainHandler	Abstract request execution handler in a classic client side request execution chain.
ExecRuntime	Execution runtime that provides access to the underlying connection endpoint and helps manager its life cycle.
ExecSupport	Request execution support methods.
Executor	Executor for Requests.
ExponentialBackoffManager	A backoff manager implementation that uses an exponential backoff algorithm to adjust the maximum number of connections per HTTP route.
ExponentialBackOffSchedulingStrategy	An implementation that backs off exponentially based on the number of consecutive failed attempts.
FileBody	Binary body part backed by a file.
FileResource	Cache resource backed by a file.
FileResourceFactory	Generates Resource instances whose body is stored in a temporary file.
FixedCredentialsProvider
Form	HTTP form used by the fluent facade.
FormBodyPart	FormBodyPart class represents a content body that can be used as a part of multipart encoded entities.
FormBodyPartBuilder	Builder for individual FormBodyParts.
FutureRequestExecutionMetrics	Collection of different counters used to gather metrics for FutureRequestExecutionService.
FutureRequestExecutionMetrics.DurationCounter	A counter that can measure duration and number of events.
FutureRequestExecutionService	This class schedules message execution execution and processing as FutureTasks with the provided ExecutorService.
GGSSchemeBase	Deprecated. Do not use.
GGSSchemeBase.State
GzipCompressingEntity	Wrapping entity that compresses content when writing.
GzipDecompressingEntity	HttpEntityWrapper for handling gzip Content Coded responses.
GZIPInputStreamFactory	InputStreamFactory for handling GZIPContent Coded responses.
H2AsyncClientBuilder	Builder for HTTP/2 only CloseableHttpAsyncClient instances.
H2AsyncClientBuilder.ExecInterceptorEntry
H2AsyncClientBuilder.ExecInterceptorEntry.Position
H2AsyncClientBuilder.IdleConnectionEvictor
H2AsyncClientBuilder.RequestInterceptorEntry
H2AsyncClientBuilder.RequestInterceptorEntry.Position
H2AsyncClientBuilder.ResponseInterceptorEntry
H2AsyncClientBuilder.ResponseInterceptorEntry.Position
H2AsyncClientProtocolStarter
H2AsyncMainClientExec	Usually the last HTTP/2 request execution handler in the asynchronous request execution chain that is responsible for execution of request / response exchanges with the opposite endpoint.
Header	The header of a MIME entity.
HeaderConstants	Records static constants for various HTTP header names.
HeapResource	Cache resource backed by a byte array on the heap.
HeapResourceFactory	Generates Resource instances stored entirely in heap.
Hex
HttpAsyncCache
HttpAsyncCacheInvalidator	Given a particular HTTP request / response pair, flush any cache entries that this exchange would invalidate.
HttpAsyncCacheStorage	HttpAsyncCacheStorage represents an abstract HTTP cache storage backend that can then be plugged into the asynchronous (non-blocking ) request execution pipeline.
HttpAsyncCacheStorageAdaptor	HttpAsyncCacheStorage implementation that emulates asynchronous behavior using an instance of classic HttpCacheStorage.
HttpAsyncClient	This interface represents only the most basic contract for HTTP request execution.
HttpAsyncClientBuilder	Builder for CloseableHttpAsyncClient instances that can negotiate the most optimal HTTP protocol version during the TLS handshake with ALPN extension if supported by the Java runtime.
HttpAsyncClientBuilder.ExecInterceptorEntry
HttpAsyncClientBuilder.ExecInterceptorEntry.Position
HttpAsyncClientBuilder.RequestInterceptorEntry
HttpAsyncClientBuilder.RequestInterceptorEntry.Position
HttpAsyncClientBuilder.ResponseInterceptorEntry
HttpAsyncClientBuilder.ResponseInterceptorEntry.Position
HttpAsyncClientProtocolNegotiationStarter
HttpAsyncClients	Factory methods for CloseableHttpAsyncClient instances.
HttpAsyncMainClientExec	Usually the last HTTP/1.1 request execution handler in the asynchronous request execution chain that is responsible for execution of request/response exchanges with the opposite endpoint.
HttpAuthenticator	Utility class that implements commons aspects of the client side HTTP authentication.
HttpByteArrayCacheEntrySerializer	Cache serializer and deserializer that uses an HTTP-like format.
HttpByteArrayCacheEntrySerializer.NoAgeCacheValidityPolicy	Cache validity policy that always returns an age of TimeValue.ZERO_MILLISECONDS.
HttpByteArrayCacheEntrySerializer.SimpleHttpResponseWriter	Writer for SimpleHttpResponse.
HttpCache
HttpCacheCASOperation	Atomic Compare-And-Swap (CAS) cache operation.
HttpCacheContext	Adaptor class that provides convenience type safe setters and getters for caching HttpContext attributes.
HttpCacheEntry	Structure used to store an HttpResponse in a cache.
HttpCacheEntrySerializer<T>	Serializer / deserializer for HttpCacheStorageEntry entries.
HttpCacheInvalidator	Given a particular HTTP request / response pair, flush any cache entries that this exchange would invalidate.
HttpCacheStorage	HttpCacheStorage represents an abstract HTTP cache storage backend that can then be plugged into the classic (blocking) request execution pipeline.
HttpCacheStorageEntry	This class contains a HttpCacheEntry along with its key.
HttpCacheSupport	HTTP cache support utilities.
HttpCacheUpdateException	Signals that HttpCacheStorage encountered an error performing an update operation.
HttpClient	This interface represents only the most basic contract for HTTP request execution.
HttpClientBuilder	Builder for CloseableHttpClient instances.
HttpClientBuilder.ExecInterceptorEntry
HttpClientBuilder.ExecInterceptorEntry.Position
HttpClientBuilder.RequestInterceptorEntry
HttpClientBuilder.RequestInterceptorEntry.Position
HttpClientBuilder.ResponseInterceptorEntry
HttpClientBuilder.ResponseInterceptorEntry.Position
HttpClientConnectionManager	Represents a manager of persistent client connections.
HttpClientConnectionOperator	Connection operator that performs connection connect and upgrade operations.
HttpClientContext	Adaptor class that provides convenience type safe setters and getters for common HttpContext attributes used in the course of HTTP request execution.
HttpClientHostnameVerifier	Extended HostnameVerifier interface.
HttpClients	Factory methods for CloseableHttpClient instances.
HttpDelete	HTTP DELETE method.
HttpEntityDigester
HttpGet	HTTP GET method.
HttpHead	HTTP HEAD method.
HttpHeader
HttpHostConnectException	A ConnectException that specifies the NamedEndpoint that was being connected to.
HttpMultipartMode	MIME compliance mode.
HttpOptions	HTTP OPTIONS method.
HttpPatch	HTTP PATCH method.
HttpPost	HTTP POST method.
HttpPut	HTTP PUT method.
HttpRequestFutureTask<V>
HttpRequestRetryExec	Request executor in the request execution chain that is responsible for making a decision whether a request that failed due to an I/O exception or received a specific response from the target server should be re-executed.
HttpRequestRetryStrategy	Strategy interface that allows API users to plug in their own logic to control whether or not a retry should automatically be done, how many times it should be done and so on.
HttpRequestTaskCallable<V>
HttpResponseException	Signals a non 2xx HTTP response.
HttpRFC6532Multipart
HttpRFC7578Multipart
HttpRFC7578Multipart.PercentCodec
HttpRoute	Connection route definition for HTTP requests.
HttpRouteDirector	Provides directions on establishing a route.
HttpRoutePlanner	Encapsulates logic to compute a HttpRoute to a target host.
HttpsSupport	HTTPS configuration support methods.
HttpStrictMultipart
HttpTrace	HTTP TRACE method.
HttpUriRequest	Extended version of the ClassicHttpRequest interface that provides convenience methods to access request properties such as request URI and method type.
HttpUriRequestBase
IdleConnectionEvictor	This class maintains a background thread to enforce an eviction policy for expired / idle persistent connections kept alive in the connection pool.
IgnoreCompleteExceptionFutureCallback<T>
IgnoreCompleteExceptonFutureCallback<T>	Deprecated. Use IgnoreCompleteExceptionFutureCallback
IgnoreCookieSpecFactory	CookieSpecFactory implementation that ignores all cookies.
IgnoreSpecSpec	CookieSpec that ignores all cookies
ImmediateSchedulingStrategy	Immediately schedules any operation.
InMemoryDnsResolver	In-memory DnsResolver implementation.
InputStreamBody	Binary body part backed by an input stream.
InputStreamFactory	Factory for decorated InputStreams.
InternalAbstractHttpAsyncClient
InternalExecRuntime
InternalH2AsyncClient	Internal implementation of HTTP/2 only CloseableHttpAsyncClient.
InternalH2AsyncExecRuntime
InternalH2AsyncExecRuntime.Endpoint
InternalH2ConnPool
InternalHttpAsyncClient	Internal implementation of CloseableHttpAsyncClient that can negotiate the most optimal HTTP protocol version during during the TLS handshake with ALPN extension if supported by the Java runtime.
InternalHttpAsyncExecRuntime
InternalHttpClient	Internal implementation of CloseableHttpClient.
InvalidCredentialsException	Authentication credentials required to respond to a authentication challenge are invalid
KerberosConfig	Deprecated. Do not use.
KerberosConfig.Builder
KerberosConfig.Option
KerberosCredentials	Deprecated. Do not use.
KerberosScheme	Deprecated. Do not use.
KerberosSchemeFactory	Deprecated. Do not use.
LaxExpiresHandler	Cookie expires attribute handler conformant to the more relaxed interpretation of HTTP state management.
LaxMaxAgeHandler	Cookie max-age attribute handler conformant to the more relaxed interpretation of HTTP state management.
LayeredConnectionSocketFactory	Extended ConnectionSocketFactory interface for layered sockets such as SSL/TLS.
LazyDecompressingInputStream	Lazy init InputStream wrapper.
LeaseRequest	Represents a request for a ConnectionEndpoint whose life cycle is managed by a connection manager.
LegacyMultipart	HttpBrowserCompatibleMultipart represents a collection of MIME multipart encoded content bodies.
LenientHttpResponseParser	Lenient HTTP response parser implementation that can skip malformed data until a valid HTTP response message head is encountered.
LinearBackoffManager	An implementation of BackoffManager that uses a linear backoff strategy to adjust the maximum number of connections per route in an PoolingHttpClientConnectionManager.
LogAppendable
LoggingAsyncClientExchangeHandler
LoggingExceptionCallback
LoggingInputStream
LoggingIOSession
LoggingIOSessionDecorator
LoggingOutputStream
LoggingSocketHolder
MainClientExec	Usually the last request execution handler in the classic request execution chain that is responsible for execution of request / response exchanges with the opposite endpoint.
MalformedChallengeException	Signals that authentication challenge is in some way invalid or illegal in the given context
MalformedCookieException	Signals that a cookie is in some way invalid or illegal in a given context
ManagedAsyncClientConnection	Represents a managed asynchronous connection whose state and life cycle is managed by a connection manager.
ManagedHttpCacheStorage	HttpCacheStorage implementation capable of deallocating resources associated with the cache entries.
ManagedHttpClientConnection	Represents a managed connection whose state and life cycle is managed by a connection manager.
ManagedHttpClientConnectionFactory	Factory for ManagedHttpClientConnection instances.
ManagedHttpClientConnectionFactory.Builder	Builder for ManagedHttpClientConnectionFactory.
MessageCopier<T extends org.apache.hc.core5.http.HttpMessage>	Deprecated. Use message builders.
MimeConsts
MimeField	Minimal MIME field.
MinimalH2AsyncClient	Minimal implementation of HTTP/2 only CloseableHttpAsyncClient.
MinimalHttpAsyncClient	Minimal implementation of CloseableHttpAsyncClient.
MinimalHttpClient	Minimal implementation of CloseableHttpClient.
MultihomeConnectionInitiator	Multi-home DNS aware implementation of ConnectionInitiator.
MultihomeIOSessionRequester
MultipartEntityBuilder	Builder for multipart HttpEntitys.
MultipartFormEntity
MultipartPart	MultipartPart class represents a content body that can be used as a part of multipart encoded entities.
MultipartPartBuilder	Builder for individual MultipartParts.
NoopCacheEntrySerializer	HttpCacheEntrySerializer that uses HttpCacheStorageEntry as its cache content representation.
NoopHostnameVerifier	The NO_OP HostnameVerifier essentially turns hostname verification off.
NoopUserTokenHandler	Noop implementation of UserTokenHandler that always returns null.
NTCredentials	Deprecated. Do not use.
NTLMEngine	Deprecated. Do not use.
NTLMEngineException	Deprecated. Do not use.
NTLMEngineImpl	Deprecated. Do not use.
NTLMEngineImpl.CipherGen
NTLMEngineImpl.Handle
NTLMEngineImpl.HMACMD5	Cryptography support - HMACMD5 - algorithmically based on various web resources by Karl Wright
NTLMEngineImpl.MD4	Cryptography support - MD4.
NTLMEngineImpl.Mode
NTLMEngineImpl.NTLMMessage	NTLM message generation, base class
NTLMEngineImpl.Type1Message	Type 1 message assembly class
NTLMEngineImpl.Type2Message	Type 2 message class
NTLMEngineImpl.Type3Message	Type 3 message assembly class
NTLMScheme	Deprecated. Do not use.
NTLMScheme.State
NTLMSchemeFactory	Deprecated. Do not use.
NTUserPrincipal	Microsoft Windows specific user principal implementation.
NullBackoffStrategy	This is a ConnectionBackoffStrategy that never backs off, for compatibility with existing behavior.
Operations	Common cancellable operations.
Operations.CompletedFuture<T>	This class represents a Future in the completed state with a fixed result.
PlainConnectionSocketFactory	The default class for creating plain (unencrypted) sockets.
PoolingAsyncClientConnectionManager	PoolingAsyncClientConnectionManager maintains a pool of non-blocking HttpConnections and is able to service connection requests from multiple execution threads.
PoolingAsyncClientConnectionManager.InternalConnectionEndpoint
PoolingAsyncClientConnectionManagerBuilder	Builder for PoolingAsyncClientConnectionManager instances.
PoolingHttpClientConnectionManager	ClientConnectionPoolManager maintains a pool of ManagedHttpClientConnections and is able to service connection requests from multiple execution threads.
PoolingHttpClientConnectionManager.InternalConnectionEndpoint
PoolingHttpClientConnectionManagerBuilder	Builder for PoolingHttpClientConnectionManager instances.
PrefixedIncrementingId	A thread safe incrementing identifier.
ProtocolExec	Request execution handler in the classic request execution chain that is responsible for implementation of HTTP specification requirements.
ProxyClient	ProxyClient can be used to establish a tunnel via an HTTP/1.1 proxy.
PublicSuffixDomainFilter	Wraps a CookieAttributeHandler and leverages its match method to never match a suffix from a black list.
PublicSuffixList	Public suffix is a set of DNS names or wildcards concatenated with dots.
PublicSuffixListParser	Parses the list from publicsuffix.org and configures a PublicSuffixFilter.
PublicSuffixMatcher	Utility class that can test if DNS names match the content of the Public Suffix List.
PublicSuffixMatcherLoader	PublicSuffixMatcher loader.
RandomHandler	A handler that generates random data.
RandomHandler.RandomEntity	An entity that generates random data.
Redirect
Redirect.ConnControl
RedirectException	Signals violation of HTTP specification caused by an invalid redirect
RedirectExec	Request execution handler in the classic request execution chain responsible for handling of request redirects.
RedirectingAsyncDecorator
RedirectingDecorator
RedirectLocations	This class represents a collection of URIs used as redirect locations.
RedirectResolver
RedirectStrategy	A strategy for determining if an HTTP request should be redirected to a new location in response to an HTTP response received from the target server.
Request	HTTP request used by the fluent facade.
RequestAbortedException	Signals that the request has been aborted.
RequestAddCookies	Request interceptor that matches cookies available in the current CookieStore to the request being executed and generates corresponding Cookie request headers.
RequestAuthCache	Deprecated. Do not use.
RequestClientConnControl	This protocol interceptor is responsible for adding the Connection header to the outgoing requests, which is essential for managing persistence of HTTP/1.0 connections.
RequestConfig	Immutable class encapsulating request configuration items.
RequestConfig.Builder
RequestCopier	Deprecated. Use BasicRequestBuilder
RequestDefaultHeaders	Request interceptor that adds default request headers.
RequestEntityProxy
RequestExpectContinue	RequestExpectContinue is responsible for enabling the 'expect-continue' handshake by adding Expect header.
RequestFailedException	Signals that the request has been aborted or failed due to an expected condition.
RequestProtocolCompliance
RequestProtocolError
RequestSupport	Protocol support methods.
Resource	Represents a disposable system resource used for handling cached response bodies.
ResourceFactory	Generates Resource instances for handling cached HTTP response bodies.
ResourceIOException	Signals a generic resource I/O error.
ResourceReference
Response	HTTP response used by the fluent facade.
ResponseCachingPolicy
ResponseEntityProxy
ResponseEntityProxy.NullOutputStream
ResponseProcessCookies	Response interceptor that populates the current CookieStore with data contained in response cookies received in the given the HTTP response.
ResponseProtocolCompliance
RFC6265CookieSpec	Cookie management functions shared by RFC 6265 compliant specification.
RFC6265CookieSpecBase
RFC6265CookieSpecFactory	CookieSpecFactory implementation that provides an instance of RFC 6265 conformant cookie policy.
RFC6265CookieSpecFactory.CompatibilityLevel
RFC6265LaxSpec	Standard CookieSpec implementation that enforces a more relaxed interpretation of the HTTP state management specification (RFC 6265, section 5) for interoperability with existing servers that do not conform to the well behaved profile (RFC 6265, section 4).
RFC6265StrictSpec	Standard CookieSpec implementation that enforces syntax and semantics of the well-behaved profile of the HTTP state management specification (RFC 6265, section 4).
RouteInfo	Connection route information.
RouteInfo.LayerType	The layering type of a route.
RouteInfo.TunnelType	The tunnelling type of a route.
RouteTracker	Helps tracking the steps in establishing a route.
RoutingSupport
SchedulingStrategy	Strategy to determine an execution time (schedule) for an operation.
SchemePortResolver	Strategy for default port resolution for protocol schemes.
ServiceUnavailableAsyncDecorator
SetCookie	This interface represents a Set-Cookie response header sent by the origin server to the HTTP agent in order to maintain a conversational state.
SimpleAsyncEntityConsumer
SimpleBody	Message body representation as a simple text string or an array of bytes.
SimpleHttpRequest	HTTP request that can enclose a body represented as a simple text string or an array of bytes.
SimpleHttpRequests	Deprecated. Use SimpleRequestBuilder.
SimpleHttpResponse	HTTP response that can enclose a body represented as a simple text string or an array of bytes.
SimpleRequestBuilder	Builder for SimpleHttpRequest instances.
SimpleRequestProducer	HTTP request producer that generates message data stream events based on content of a SimpleHttpRequest instance.
SimpleResponseBuilder	Builder for SimpleHttpResponse instances.
SimpleResponseConsumer	HTTP response consumer that generates a SimpleHttpResponse instance based on events of an incoming data stream.
SingleCredentialsProvider
SPNegoScheme	Deprecated. Do not use.
SPNegoSchemeFactory	Deprecated. Do not use.
SSLConnectionSocketFactory	Layered socket factory for TLS/SSL connections.
SSLConnectionSocketFactoryBuilder	Builder for SSLConnectionSocketFactory instances.
StandardAuthScheme	Authentication schemes by their names supported by the HttpClient.
StandardCookieSpec	Cookie specifications by their names supported by the HttpClient.
StringBody	Text body part backed by a byte array.
SubjectName
SystemClock
SystemDefaultCredentialsProvider	Implementation of CredentialsStore backed by standard JRE Authenticator.
SystemDefaultDnsResolver	DNS resolver that uses the default OS implementation for resolving host names.
SystemDefaultRoutePlanner	HttpRoutePlanner implementation based on ProxySelector.
TlsConfig	Immutable class encapsulating TLS protocol settings.
TlsConfig.Builder
TlsSessionValidator
TrustAllStrategy	A trust strategy that accepts all certificates as trusted.
TrustSelfSignedStrategy	Deprecated. For self-signed certificates prefer specifying a keystore containing the certificate when calling the SSLContextBuilder loadTrustMaterial methods.
TunnelRefusedException	Signals that the tunnel request was rejected by the proxy host.
UnsupportedDigestAlgorithmException	Authentication credentials required to respond to a authentication challenge are invalid
UnsupportedSchemeException	Signals failure to establish connection using an unknown protocol scheme.
URIUtils	A collection of utilities for URIs, to workaround bugs within the class or for ease-of-use features.
UrlEncodedFormEntity	An entity composed of a list of url-encoded pairs.
UsernamePasswordCredentials	Simple Credentials representation based on a user name / password pair.
UserTokenHandler	A handler for determining if the given execution context is user specific or not.
Variant	Records a set of information describing a cached variant.
WarningValue	This class provides for parsing and understanding Warning headers.
Wire