All Classes

Class	Description
AbortableHttpRequest	Deprecated. (4.3) use HttpExecutionAware
AbstractAuthenticationHandler	Deprecated. (4.2) use AuthenticationStrategy
AbstractClientConnAdapter	Deprecated. (4.2) do not use
AbstractConnPool	Deprecated. (4.2) use AbstractConnPool
AbstractContentBody
AbstractCookieAttributeHandler
AbstractCookieSpec	Abstract cookie specification which can delegate the job of parsing, validation or matching cookie attributes to a number of arbitrary CookieAttributeHandlers.
AbstractExecutionAwareRequest
AbstractHttpClient	Deprecated. (4.3) use HttpClientBuilder.
AbstractMultipartForm	HttpMultipart represents a collection of MIME multipart encoded content bodies.
AbstractPooledConnAdapter	Deprecated. (4.2) do not use
AbstractPoolEntry	Deprecated. (4.2) do not use
AbstractResponseHandler<T>	A generic ResponseHandler that works with the response entity for successful (2xx) responses.
AbstractVerifier	Deprecated. (4.4) use an implementation of HostnameVerifier or DefaultHostnameVerifier.
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.
AllClientPNames	Deprecated. (4.3) use RequestConfig, ConnectionConfig, SocketConfig
AllowAllHostnameVerifier	Deprecated. (4.4) Use NoopHostnameVerifier
Async
Async.ExecRunnable<T>
AsynchronousValidationRequest	Class used to represent an asynchronous revalidation event, such as with "stale-while-revalidate"
AsynchronousValidator	Class used for asynchronous revalidations to be used when the "stale- while-revalidate" directive is present
AUTH	Constants and static helpers related to the HTTP authentication.
AuthCache	Abstract AuthScheme cache.
AuthenticationException	Signals a failure in authentication process
AuthenticationHandler	Deprecated. (4.2) use AuthenticationStrategy
AuthenticationStrategy	/** A handler for determining if an HTTP response represents an authentication challenge that was sent back to the client as a result of authentication failure.
AuthenticationStrategyAdaptor	Deprecated. (4.2) do not use
AuthenticationStrategyImpl
AuthOption
AuthParamBean	Deprecated. (4.3) use RequestConfig and constructor parameters of AuthSchemeProviders.
AuthParams	Deprecated. (4.3) use RequestConfig and constructor parameters of AuthSchemeProviders.
AuthPNames	Deprecated. (4.3) use RequestConfig and constructor parameters of AuthSchemeProviders.
AuthPolicy	Deprecated. (4.3) use AuthSchemes.
AuthProtocolState
AuthScheme	This interface represents an abstract challenge-response oriented authentication scheme.
AuthSchemeBase	Abstract authentication scheme class that serves as a basis for all authentication schemes supported by HttpClient.
AuthSchemeFactory	Deprecated. (4.3) use AuthSchemeProvider
AuthSchemeProvider	Factory for AuthScheme implementations.
AuthSchemeRegistry	Deprecated. (4.3) use Registry
AuthSchemes	Standard authentication schemes supported by HttpClient.
AuthScope	AuthScope represents an authentication scope consisting of a host name, a port number, a realm name and an authentication scheme name.
AuthState	This class provides detailed information about the state of the authentication process.
AutoRetryHttpClient	Deprecated. (4.3) use HttpClientBuilder.
BackoffManager	Represents a controller that dynamically adjusts the size of an available connection pool based on feedback from using the connections.
BackoffStrategyExec
BasicAuthCache	Default implementation of AuthCache.
BasicClientConnectionManager	Deprecated. (4.3) use BasicHttpClientConnectionManager.
BasicClientCookie	Default implementation of SetCookie.
BasicClientCookie2	Default implementation of SetCookie2.
BasicCommentHandler
BasicCookieStore	Default implementation of CookieStore
BasicCredentialsProvider	Default implementation of CredentialsProvider.
BasicDomainHandler
BasicEofSensorWatcher	Deprecated. (4.3) do not use.
BasicExpiresHandler
BasicHttpCache
BasicHttpCacheStorage	Basic HttpCacheStorage implementation backed by an instance of LinkedHashMap.
BasicHttpClientConnectionManager	A connection manager for a single connection.
BasicIdGenerator	Should produce reasonably unique tokens.
BasicManagedEntity	Deprecated. (4.3) do not use.
BasicMaxAgeHandler
BasicPathHandler
BasicPooledConnAdapter	Deprecated. (4.2) do not use
BasicPoolEntry	Deprecated. (4.2) use PoolEntry
BasicPoolEntryRef	Deprecated. (4.2) do not use
BasicResponseHandler	A ResponseHandler that returns the response body as a String for successful (2xx) responses.
BasicRouteDirector	Basic HttpRouteDirector implementation.
BasicScheme	Basic authentication scheme as defined in RFC 2617.
BasicSchemeFactory	AuthSchemeProvider implementation that creates and initializes BasicScheme instances.
BasicSecureHandler
BasicUserPrincipal	Basic user principal used for HTTP authentication
BestMatchSpec	Deprecated. (4.4) use DefaultCookieSpec.
BestMatchSpecFactory	Deprecated. (4.4) use DefaultCookieSpecProvider.
BrowserCompatHostnameVerifier	Deprecated. (4.4) Use DefaultHostnameVerifier
BrowserCompatSpec	Deprecated. (4.4) use DefaultCookieSpec.
BrowserCompatSpecFactory	Deprecated. (4.4) use DefaultCookieSpecProvider.
BrowserCompatSpecFactory.SecurityLevel
BrowserCompatVersionAttributeHandler	Deprecated. (4.4) no longer used.
ByteArrayBody	Binary body part backed by a byte array.
CacheableRequestPolicy	Determines if an HttpRequest is allowed to be served from the cache.
CacheConfig	Java Beans-style configuration for a CachingHttpClient.
CacheConfig.Builder
CachedHttpResponseGenerator	Rebuilds an HttpResponse from a net.sf.ehcache.CacheEntry
CachedResponseSuitabilityChecker	Determines whether a given HttpCacheEntry is suitable to be used as a response for a given HttpRequest.
CacheEntity
CacheEntryUpdater	Update a HttpCacheEntry with new or updated information based on the latest 304 status response from the Server.
CacheInvalidator	Given a particular HttpRequest, flush any cache entries that this request would invalidate.
CacheKeyGenerator
CacheMap
CacheResponseStatus	This enumeration represents the various ways a response can be generated by the CachingHttpClient; if a request is executed with an HttpContext then a parameter with one of these values will be registered in the context under the key CachingHttpClient.CACHE_RESPONSE_STATUS.
CacheValidityPolicy
CachingExec	Request executor in the request execution chain that is responsible for transparent client-side caching.
CachingHttpClient	Deprecated. (4.3) use CachingHttpClientBuilder or CachingHttpClients.
CachingHttpClient.AsynchronousValidationRequest
CachingHttpClient.AsynchronousValidator
CachingHttpClientBuilder	Builder for CloseableHttpClient instances capable of client-side caching.
CachingHttpClients	Factory methods for CloseableHttpClient instances capable of client-side caching.
ChallengeState	Challenge mode (TARGET or PROXY)
CircularRedirectException	Signals a circular redirect
ClientConnectionManager	Deprecated. (4.3) replaced by HttpClientConnectionManager.
ClientConnectionManagerFactory	Deprecated. (4.3) replaced by HttpClientConnectionManager.
ClientConnectionOperator	Deprecated. (4.3) replaced by HttpClientConnectionManager.
ClientConnectionRequest	Deprecated. (4.3) replaced by ConnectionRequest.
ClientContext	Deprecated. (4.3) use HttpClientContext.
ClientContextConfigurer	Deprecated. (4.3) use HttpClientContext
ClientCookie	ClientCookie extends the standard Cookie interface with additional client specific functionality such ability to retrieve original cookie attributes exactly as they were specified by the origin server.
ClientExecChain	This interface represents an element in the HTTP request execution chain.
ClientParamBean	Deprecated. (4.3) use RequestConfig.
ClientParamsStack	Deprecated. (4.3) use configuration classes provided 'org.apache.http.config' and 'org.apache.http.client.config'
ClientPNames	Deprecated. (4.3) use RequestConfig.
ClientProtocolException	Signals an error in the HTTP protocol.
Clock	Interface used to enable easier testing of time-related behavior.
CloneUtils	A collection of utilities to workaround limitations of Java clone framework.
CloseableHttpClient	Base implementation of HttpClient that also implements Closeable.
CloseableHttpResponse	Extended version of the HttpResponse interface that also extends Closeable.
CloseableHttpResponseProxy	Deprecated. Do not use.
CombinedEntity
CommonCookieAttributeHandler	Extension of CookieAttributeHandler intended to handle one specific common attribute whose name is returned with CommonCookieAttributeHandler.getAttributeName() method.
ConditionalRequestBuilder
Configurable	Configuration interface for HTTP requests.
ConnConnectionParamBean	Deprecated. (4.1) use custom DefaultHttpResponseParser implementation.
ConnConnectionPNames	Deprecated. (4.1) use custom DefaultHttpResponseParser implementation.
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.
ConnectionHolder	Internal connection holder.
ConnectionKeepAliveStrategy	Interface for deciding how long a connection can remain idle before being reused.
ConnectionPoolTimeoutException	A timeout while waiting for an available connection from a connection manager.
ConnectionReleaseTrigger	Interface for releasing a connection.
ConnectionRequest	Represents a request for a HttpClientConnection whose life cycle is managed by a connection manager.
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 an HttpConnectionManager.
ConnManagerParamBean	Deprecated. (4.1) use configuration methods of the specific connection manager implementation.
ConnManagerParams	Deprecated. (4.1) use configuration methods of the specific connection manager implementation.
ConnManagerPNames	Deprecated. (4.1) use configuration methods of the specific connection manager implementation.
ConnPerRoute	Deprecated. (4.3) no longer used.
ConnPerRouteBean	Deprecated. (4.2) use ConnPoolControl
ConnPoolByRoute	Deprecated. (4.2) use AbstractConnPool
ConnRouteParamBean	Deprecated. (4.3) use RequestConfig.
ConnRouteParams	Deprecated. (4.3) use RequestConfig.
ConnRoutePNames	Deprecated. (4.3) use RequestConfig.
Content	This class represents arbitrary content of a specific type that can be consumed multiple times and requires no explicit deallocation.
ContentBody
ContentDescriptor	Represents common content properties.
ContentEncodingHttpClient	Deprecated. (4.2) use HttpClientBuilder
ContentResponseHandler	ResponseHandler implementation that converts HttpResponse messages to Content instances.
ContextAwareAuthScheme	This interface represents an extended authentication scheme that requires access to HttpContext in order to generate an authorization string.
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.
CookiePolicy	Deprecated. (4.3) use CookieSpecs.
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	Deprecated. (4.3) use CookieSpecProvider
CookieSpecParamBean	Deprecated. (4.3) use constructor parameters of CookieSpecProviders.
CookieSpecPNames	Deprecated. (4.3) use constructor parameters of CookieSpecProviders.
CookieSpecProvider	Factory for CookieSpec implementations.
CookieSpecRegistries
CookieSpecRegistry	Deprecated. (4.3) use Registry.
CookieSpecs	Standard cookie specifications supported by HttpClient.
CookieStore	This interface represents an abstract store for Cookie objects.
CPool
CPoolEntry
CPoolProxy
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
CredentialsProvider	Abstract credentials provider that maintains a collection of user credentials.
DateParseException	Deprecated. (4.3) no longer used.
DateUtils	A utility class for parsing and formatting HTTP dates as used in cookies and other headers.
DateUtils	Deprecated. (4.3) Use DateUtils.
DateUtils.DateFormatHolder	A factory for SimpleDateFormats.
DecompressingEntity	Common base class for decompressing HttpEntity implementations.
DecompressingHttpClient	Deprecated. (4.3) use HttpClientBuilder
DefaultBackoffStrategy	This ConnectionBackoffStrategy backs off either for a raw network socket or connection timeout or if the server explicitly sends a 503 (Service Unavailable) response.
DefaultClientConnection	Deprecated. (4.3) use ManagedHttpClientConnectionFactory.
DefaultClientConnectionOperator	Deprecated. (4.3) use PoolingHttpClientConnectionManager.
DefaultClientConnectionReuseStrategy
DefaultConnectionKeepAliveStrategy	Default implementation of a strategy deciding duration that a connection can remain idle.
DefaultCookieSpec	Default cookie specification that picks up the best matching cookie policy based on the format of cookies sent with the HTTP response.
DefaultCookieSpecProvider	CookieSpecProvider implementation that provides an instance of DefaultCookieSpec.
DefaultCookieSpecProvider.CompatibilityLevel
DefaultFailureCache	Implements a bounded failure cache.
DefaultHostnameVerifier	Default HostnameVerifier implementation.
DefaultHostnameVerifier.HostNameType
DefaultHttpCacheEntrySerializer	HttpCacheEntrySerializer implementation that uses the default (native) serialization.
DefaultHttpCacheEntrySerializer.RestrictedObjectInputStream
DefaultHttpClient	Deprecated. (4.3) use HttpClientBuilder see also CloseableHttpClient.
DefaultHttpClientConnectionOperator	Default implementation of HttpClientConnectionOperator used as default in Http client, when no instance provided by user to BasicHttpClientConnectionManager or PoolingHttpClientConnectionManager constructor.
DefaultHttpRequestRetryHandler	The default HttpRequestRetryHandler used by request executors.
DefaultHttpResponseParser	Lenient HTTP response parser implementation that can skip malformed data until a valid HTTP response message head is encountered.
DefaultHttpResponseParserFactory	Default factory for response message parsers.
DefaultHttpRoutePlanner	Deprecated. (4.3) use DefaultRoutePlanner
DefaultManagedHttpClientConnection	Default ManagedHttpClientConnection implementation.
DefaultProxyAuthenticationHandler	Deprecated. (4.2) use ProxyAuthenticationStrategy
DefaultProxyRoutePlanner	Implementation of an HttpRoutePlanner that routes requests through a default proxy.
DefaultRedirectHandler	Deprecated. (4.1) use DefaultRedirectStrategy.
DefaultRedirectStrategy	Default implementation of RedirectStrategy.
DefaultRedirectStrategyAdaptor	Deprecated. (4.1) do not use
DefaultRequestDirector	Deprecated. Do not use.
DefaultResponseParser	Deprecated. (4.2) use DefaultHttpResponseParser
DefaultRoutePlanner	Default implementation of an HttpRoutePlanner.
DefaultSchemePortResolver	Default SchemePortResolver.
DefaultServiceUnavailableRetryStrategy	Default implementation of the ServiceUnavailableRetryStrategy interface.
DefaultTargetAuthenticationHandler	Deprecated. (4.2) use TargetAuthenticationStrategy
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 as defined in RFC 2617.
DigestSchemeFactory	AuthSchemeProvider implementation that creates and initializes DigestScheme instances.
DnsResolver	Users may implement this interface to override the normal DNS lookup offered by the OS.
DomainType	Domain types differentiated by Mozilla Public Suffix List.
EntityBuilder	Builder for HttpEntity instances.
EntityEnclosingRequestWrapper	Deprecated. (4.3) do not use.
EofSensorInputStream	A stream wrapper that triggers actions on close() and EOF.
EofSensorWatcher	A watcher for EofSensorInputStream.
Executor	An Executor for fluent requests.
ExponentialBackOffSchedulingStrategy	An implementation that backs off exponentially based on the number of consecutive failed attempts stored in the AsynchronousValidationRequest.
FailureCache	Increase and reset the number of errors associated with a specific identifier.
FailureCacheValue	The error count with a creation timestamp and its associated key.
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.
Form
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	HttpAsyncClientWithFuture wraps calls to execute with a HttpRequestFutureTask and schedules them using the provided executor service.
GGSSchemeBase
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.
Header	The header of an entity (see RFC 2045).
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.
HostNameResolver	Deprecated. (4.1) Do not use
HttpAuthenticator
HttpAuthenticator	Deprecated. (4.3) reserved for internal use.
HttpBrowserCompatibleMultipart	HttpBrowserCompatibleMultipart represents a collection of MIME multipart encoded content bodies.
HttpCache
HttpCacheContext
HttpCacheEntry	Structure used to store an HttpResponse in a cache.
HttpCacheEntrySerializationException	Thrown if serialization or deserialization of an HttpCacheEntry fails.
HttpCacheEntrySerializer	Used by some HttpCacheStorage implementations to serialize HttpCacheEntry instances to a byte representation before storage.
HttpCacheInvalidator	Given a particular HttpRequest, flush any cache entries that this request would invalidate.
HttpCacheStorage	New storage backends should implement this HttpCacheStorage interface.
HttpCacheUpdateCallback	Used for atomically updating entries in a HttpCacheStorage implementation.
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.
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.
HttpClientParamConfig	Deprecated. (4.3) provided for compatibility with HttpParams.
HttpClientParams	Deprecated. (4.3) use RequestConfig
HttpClients	Factory methods for CloseableHttpClient instances.
HttpClientUtils	Convenience methods for closing response and client objects.
HttpConnectionFactory<T,C extends org.apache.http.HttpConnection>	Generic HttpConnection factory.
HttpConnPool	Deprecated. (4.3) no longer used.
HttpConnPool.InternalConnFactory
HttpDelete	HTTP DELETE method
HttpEntityDigester
HttpEntityEnclosingRequestBase	Basic implementation of an entity enclosing HTTP request that can be modified
HttpExecutionAware	Interface to be implemented by any object that wishes to be notified of blocking I/O operations that could be cancelled.
HttpGet	HTTP GET method.
HttpHead	HTTP HEAD method.
HttpHeader
HttpHostConnectException	A ConnectException that specifies the HttpHost that was being connected to.
HttpInetSocketAddress	Deprecated. (4.3)
HttpMultipart	Deprecated. (4.3) Use MultipartEntityBuilder.
HttpMultipartMode
HttpOptions	HTTP OPTIONS method.
HttpPatch	HTTP PATCH method.
HttpPoolEntry	Deprecated. (4.3) no longer used.
HttpPost	HTTP POST method.
HttpPut	HTTP PUT method.
HttpRequestBase	Base implementation of HttpUriRequest.
HttpRequestFutureTask<V>	FutureTask implementation that wraps a HttpAsyncClientCallable and exposes various task specific metrics.
HttpRequestRetryHandler	A handler for determining if an HttpRequest should be retried after a recoverable exception during execution.
HttpRequestTaskCallable<V>
HttpRequestWrapper	A wrapper class for HttpRequest that can be used to change properties of the current request without modifying the original object.
HttpRequestWrapper.HttpEntityEnclosingRequestWrapper
HttpResponseException	Signals a non 2xx HTTP response.
HttpResponseProxy	A proxy class for HttpResponse that can be used to release client connection associated with the original response.
HttpRFC6532Multipart	HttpRFC6532Multipart represents a collection of MIME multipart encoded content bodies, implementing the strict (RFC 822, RFC 2045, RFC 2046 compliant) interpretation of the spec, with the exception of allowing UTF-8 headers, as per RFC6532.
HttpRoute	The route for a request.
HttpRoutedConnection	Deprecated. (4.3) replaced by HttpClientConnectionManager.
HttpRouteDirector	Provides directions on establishing a route.
HttpRoutePlanner	Encapsulates logic to compute a HttpRoute to a target host.
HttpStrictMultipart	HttpStrictMultipart represents a collection of MIME multipart encoded content bodies, implementing the strict (RFC 822, RFC 2045, RFC 2046 compliant) interpretation of the spec.
HttpTrace	HTTP TRACE method.
HttpUriRequest	Extended version of the HttpRequest interface that provides convenience methods to access request properties such as request URI and method type.
IdleConnectionEvictor	This class maintains a background thread to enforce an eviction policy for expired / idle persistent connections kept alive in the connection pool.
IdleConnectionEvictor.DefaultThreadFactory
IdleConnectionHandler	Deprecated. (4.1) no longer used
IdleConnectionHandler.TimeValues
Idn	Deprecated. (4.4) use standard IDN.
IgnoreSpec	CookieSpec that ignores all cookies
IgnoreSpecFactory	Deprecated. (4.4) Use IgnoreSpecProvider.
IgnoreSpecProvider	CookieSpecProvider implementation that ignores all cookies.
ImmediateSchedulingStrategy	Immediately schedules any incoming validation request.
InetAddressUtils	A collection of utilities relating to InetAddresses.
InMemoryDnsResolver	In-memory DnsResolver implementation.
InputLimit	Used to limiting the size of an incoming response body of unknown size that is optimistically being read in anticipation of caching it.
InputStreamBody	Binary body part backed by an input stream.
InputStreamFactory	Factory for decorated InputStreams.
InternalByteArrayEntity
InternalEntityEnclosingHttpRequest
InternalFileEntity
InternalHttpClient	Internal class.
InternalHttpRequest
InternalInputStreamEntity
InvalidCredentialsException	Authentication credentials required to respond to a authentication challenge are invalid
IOUtils
JdkIdn	Deprecated. (4.4) use standard IDN.
KerberosCredentials	Credentials implementation based on GSSCredential for Kerberos Authentication.
KerberosScheme	KERBEROS authentication scheme.
KerberosSchemeFactory	AuthSchemeProvider implementation that creates and initializes KerberosScheme instances.
LaxExpiresHandler
LaxMaxAgeHandler
LaxRedirectStrategy	Lax RedirectStrategy implementation that automatically redirects all HEAD, GET, POST, and DELETE requests.
LayeredConnectionSocketFactory	Extended ConnectionSocketFactory interface for layered sockets such as SSL/TLS.
LayeredSchemeSocketFactory	Deprecated. (4.2) use SchemeLayeredSocketFactory
LayeredSocketFactory	Deprecated. (4.1) use SchemeSocketFactory
LayeredSocketFactoryAdaptor	Deprecated. (4.1) do not use
LazyDecompressingInputStream	Lazy init InputStream wrapper.
LoggingInputStream	Internal class.
LoggingManagedHttpClientConnection
LoggingOutputStream	Internal class.
LoggingSessionInputBuffer	Deprecated. (4.3) no longer used.
LoggingSessionOutputBuffer	Deprecated. (4.3) no longer used.
MainClientExec	The last request executor in the HTTP 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
ManagedClientConnection	Deprecated. (4.3) replaced by HttpClientConnectionManager.
ManagedClientConnectionImpl	Deprecated. (4.3) use ManagedHttpClientConnectionFactory.
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.
MIME
MinimalClientExec	Request executor that implements the most fundamental aspects of the HTTP specification and the most straight-forward request / response exchange with the target server.
MinimalField	Minimal MIME field.
MinimalHttpClient	Internal class.
MultihomePlainSocketFactory	Deprecated. (4.1) Do not use.
MultipartEntity	Deprecated. 4.3 Use MultipartEntityBuilder.
MultipartEntityBuilder	Builder for multipart HttpEntitys.
MultipartFormEntity
NegotiateScheme	Deprecated. (4.2) use SPNegoScheme or KerberosScheme.
NegotiateSchemeFactory	Deprecated. (4.2) use SPNegoSchemeFactory or KerberosSchemeFactory.
NetscapeDomainHandler
NetscapeDraftHeaderParser
NetscapeDraftSpec	This CookieSpec implementation conforms to the original draft specification published by Netscape Communications.
NetscapeDraftSpecFactory	Deprecated. (4.4) Use NetscapeDraftSpecProvider.
NetscapeDraftSpecProvider	CookieSpecProvider implementation that provides an instance of NetscapeDraftSpec.
NonRepeatableRequestException	Signals failure to retry the request due to non-repeatable request entity.
NoopHostnameVerifier	The NO_OP HostnameVerifier essentially turns hostname verification off.
NoopUserTokenHandler	Noop implementation of UserTokenHandler that always returns null.
NTCredentials	Credentials implementation for Microsoft Windows platforms that includes Windows specific attributes such as name of the domain the user belongs to.
NTLMEngine	Abstract NTLM authentication engine.
NTLMEngineException	Signals NTLM protocol failure.
NTLMEngineImpl	Provides an implementation for NTLMv1, NTLMv2, and NTLM2 Session forms of the NTLM authentication protocol.
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	NTLM is a proprietary authentication scheme developed by Microsoft and optimized for Windows platforms.
NTLMScheme.State
NTLMSchemeFactory	AuthSchemeProvider implementation that creates and initializes NTLMScheme instances configured to use the default NTLMEngine implementation.
NTUserPrincipal	Microsoft Windows specific user principal implementation.
NullBackoffStrategy	This is a ConnectionBackoffStrategy that never backs off, for compatibility with existing behavior.
OperatedClientConnection	Deprecated. (4.3) replaced by HttpClientConnectionManager.
OptionsHttp11Response
PlainConnectionSocketFactory	The default class for creating plain (unencrypted) sockets.
PlainSocketFactory	Deprecated. (4.3) use PlainConnectionSocketFactory
PoolEntryRequest	Deprecated. (4.2) use Future
PoolingClientConnectionManager	Deprecated. (4.3) use PoolingHttpClientConnectionManager.
PoolingHttpClientConnectionManager	ClientConnectionPoolManager maintains a pool of HttpClientConnections and is able to service connection requests from multiple execution threads.
PoolingHttpClientConnectionManager.ConfigData
PoolingHttpClientConnectionManager.InternalConnectionFactory
PrivateKeyDetails	Deprecated. (4.4) use PrivateKeyDetails.
PrivateKeyStrategy	Deprecated. (4.4) use PrivateKeyStrategy.
ProtocolExec	Request executor in the request execution chain that is responsible for implementation of HTTP specification requirements.
Proxies	Proxies for HTTP message objects.
ProxyAuthenticationStrategy	Default AuthenticationStrategy implementation for proxy host authentication.
ProxyClient	ProxyClient can be used to establish a tunnel via an HTTP proxy.
ProxySelectorRoutePlanner	Deprecated. (4.3) use SystemDefaultRoutePlanner
PublicSuffixDomainFilter	Wraps a CookieAttributeHandler and leverages its match method to never match a suffix from a black list.
PublicSuffixFilter	Deprecated. (4.4) use PublicSuffixDomainFilter
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.
PublicSuffixListParser	Deprecated. (4.4) use PublicSuffixListParser.
PublicSuffixMatcher	Utility class that can test if DNS names match the content of the Public Suffix List.
PublicSuffixMatcherLoader	PublicSuffixMatcher loader.
Punycode	Deprecated. (4.4) use standard IDN.
RedirectException	Signals violation of HTTP specification caused by an invalid redirect
RedirectExec	Request executor in the request execution chain that is responsible for handling of request redirects.
RedirectHandler	Deprecated. (4.1) use RedirectStrategy
RedirectLocations	This class represents a collection of URIs used as redirect locations.
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
RequestAbortedException	Signals that the request has been aborted.
RequestAcceptEncoding	Class responsible for handling Content Encoding requests in HTTP.
RequestAddCookies	Request interceptor that matches cookies available in the current CookieStore to the request being executed and generates corresponding Cookie request headers.
RequestAuthCache	Request interceptor that can preemptively authenticate against known hosts, if there is a cached AuthScheme instance in the local AuthCache associated with the given target or proxy host.
RequestAuthenticationBase	Deprecated. Do not use.
RequestBuilder	Builder for HttpUriRequest instances.
RequestBuilder.InternalEntityEclosingRequest
RequestBuilder.InternalRequest
RequestClientConnControl	This protocol interceptor is responsible for adding Connection or Proxy-Connection headers to the outgoing requests, which is essential for managing persistence of HTTP/1.0 connections.
RequestConfig	Immutable class encapsulating request configuration items.
RequestConfig.Builder
RequestDefaultHeaders	Request interceptor that adds default request headers.
RequestDirector	Deprecated. (4.3) No longer used
RequestEntityProxy	A Proxy class for HttpEntity enclosed in a request message.
RequestExpectContinue	RequestExpectContinue is responsible for enabling the 'expect-continue' handshake by adding Expect header.
RequestProtocolCompliance
RequestProtocolError
RequestProxyAuthentication	Deprecated. (4.3) use HttpAuthenticator.
RequestTargetAuthentication	Deprecated. (4.3) use HttpAuthenticator.
RequestWrapper	Deprecated. (4.3) do not use.
Resource	Represents a disposable system resource used for handling cached response bodies.
ResourceFactory	Generates Resource instances for handling cached HTTP response bodies.
ResourceReference
Response
ResponseAuthCache	Deprecated. (4.2) use AuthenticationStrategy
ResponseCachingPolicy	Determines if an HttpResponse can be cached.
ResponseContentEncoding	HttpResponseInterceptor responsible for processing Content-Encoding responses.
ResponseEntityProxy	A wrapper class for HttpEntity enclosed in a response message.
ResponseHandler<T>	Handler that encapsulates the process of generating a response object from a HttpResponse.
ResponseProcessCookies	Response interceptor that populates the current CookieStore with data contained in response cookies received in the given the HTTP response.
ResponseProtocolCompliance
ResponseProxyHandler	A proxy class that can enhance an arbitrary HttpResponse with Closeable.close() method.
RetryExec	Request executor in the request execution chain that is responsible for making a decision whether a request failed due to an I/O error should be re-executed.
RFC2109DomainHandler
RFC2109Spec	RFC 2109 compliant CookieSpec implementation.
RFC2109SpecFactory	Deprecated. (4.4) Use RFC2109SpecProvider.
RFC2109SpecProvider	CookieSpecProvider implementation that provides an instance of RFC2109Spec.
RFC2109VersionHandler
RFC2617Scheme	Abstract authentication scheme class that lays foundation for all RFC 2617 compliant authentication schemes and provides capabilities common to all authentication schemes defined in RFC 2617.
RFC2965CommentUrlAttributeHandler	"CommentURL" cookie attribute handler for RFC 2965 cookie spec.
RFC2965DiscardAttributeHandler	"Discard" cookie attribute handler for RFC 2965 cookie spec.
RFC2965DomainAttributeHandler	"Domain" cookie attribute handler for RFC 2965 cookie spec.
RFC2965PortAttributeHandler	"Port" cookie attribute handler for RFC 2965 cookie spec.
RFC2965Spec	RFC 2965 compliant CookieSpec implementation.
RFC2965SpecFactory	Deprecated. (4.4) Use RFC2965SpecProvider.
RFC2965SpecProvider	CookieSpecProvider implementation that provides an instance of RFC2965Spec.
RFC2965VersionAttributeHandler	"Version" cookie attribute handler for RFC 2965 cookie spec.
Rfc3492Idn	Deprecated. (4.4) use standard IDN.
RFC6265CookieSpec	Cookie management functions shared by RFC C6265 compliant specification.
RFC6265CookieSpecBase
RFC6265CookieSpecProvider	CookieSpecProvider implementation that provides an instance of RFC 6265 conformant cookie policy.
RFC6265CookieSpecProvider.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).
RoutedRequest	Deprecated. (4.3) do not use.
RouteInfo	Read-only interface for route information.
RouteInfo.LayerType	The layering type of a route.
RouteInfo.TunnelType	The tunnelling type of a route.
RouteSpecificPool	Deprecated. (4.2) use AbstractConnPool
RouteTracker	Helps tracking the steps in establishing a route.
SchedulingStrategy	Specifies when revalidation requests are scheduled.
Scheme	Deprecated. (4.3) use SchemePortResolver for default port resolution and Registry for socket factory lookups.
SchemeLayeredSocketFactory	Deprecated. (4.3) use LayeredConnectionSocketFactory
SchemeLayeredSocketFactoryAdaptor	Deprecated. (4.2) do not use
SchemeLayeredSocketFactoryAdaptor2	Deprecated. (4.2) do not use
SchemePortResolver	Strategy for default port resolution for protocol schemes.
SchemeRegistry	Deprecated. (4.3) use Registry
SchemeRegistryFactory	Deprecated. (4.3) use HttpClientBuilder.
SchemeSocketFactory	Deprecated. (4.3) use ConnectionSocketFactory
SchemeSocketFactoryAdaptor	Deprecated. (4.1) do not use
ServiceUnavailableRetryExec	Request executor in the request execution chain that is responsible for making a decision whether a request that received a non-2xx response from the target server should be re-executed.
ServiceUnavailableRetryStrategy	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 retried and so on.
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.
SetCookie2	This interface represents a Set-Cookie2 response header sent by the origin server to the HTTP agent in order to maintain a conversational state.
SingleClientConnManager	Deprecated. (4.2) use BasicClientConnectionManager
SizeLimitedResponseReader
SM	Constants and static helpers related to the HTTP state management.
SocketFactory	Deprecated. (4.1) use SchemeSocketFactory
SocketFactoryAdaptor	Deprecated. Do not use.
SPNegoScheme	SPNEGO (Simple and Protected GSSAPI Negotiation Mechanism) authentication scheme.
SPNegoSchemeFactory	AuthSchemeProvider implementation that creates and initializes SPNegoScheme instances.
SpnegoTokenGenerator	Deprecated. (4.2) subclass KerberosScheme and override GGSSchemeBase.generateGSSToken(byte[], org.ietf.jgss.Oid, String, org.apache.http.auth.Credentials)
SSLConnectionSocketFactory	Layered socket factory for TLS/SSL connections.
SSLContextBuilder	Deprecated. (4.4) use SSLContextBuilder.
SSLContextBuilder.KeyManagerDelegate
SSLContextBuilder.TrustManagerDelegate
SSLContexts	Deprecated. (4.4) use SSLContexts.
SSLInitializationException
SSLSocketFactory	Deprecated. (4.3) use SSLConnectionSocketFactory.
StandardHttpRequestRetryHandler	HttpRequestRetryHandler which assumes that all requested HTTP methods which should be idempotent according to RFC-2616 are in fact idempotent and can be retried.
StrictHostnameVerifier	Deprecated. (4.4) Use DefaultHostnameVerifier
StringBody	Text body part backed by a byte array.
SubjectName
SystemClock	The actual system clock.
SystemDefaultCredentialsProvider	Implementation of CredentialsProvider backed by standard JRE Authenticator.
SystemDefaultDnsResolver	DNS resolver that uses the default OS implementation for resolving host names.
SystemDefaultHttpClient	Deprecated. (4.3) use HttpClientBuilder
SystemDefaultRoutePlanner	HttpRoutePlanner implementation based on ProxySelector.
TargetAuthenticationStrategy	Default AuthenticationStrategy implementation for proxy host authentication.
ThreadSafeClientConnManager	Deprecated. (4.2) use PoolingHttpClientConnectionManager
TrustAllStrategy	A trust strategy that accepts all certificates as trusted.
TrustSelfSignedStrategy	A trust strategy that accepts self-signed certificates as trusted.
TrustStrategy	A strategy to establish trustworthiness of certificates without consulting the trust manager configured in the actual SSL context.
TunnelRefusedException	Deprecated. (4.3) reserved for internal use.
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.
URIBuilder	Builder for URI instances.
URIUtils	A collection of utilities for URIs, to workaround bugs within the class or for ease-of-use features.
URIUtils.UriFlag	Flags that control how URI is being rewritten.
UrlEncodedFormEntity	An entity composed of a list of url-encoded pairs.
URLEncodedUtils	A collection of utilities for encoding URLs.
UsernamePasswordCredentials	Simple Credentials implementation 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.
WaitingThread	Deprecated. (4.2) do not use
WaitingThreadAborter	Deprecated. (4.2) do not use
WarningValue	This class provides for parsing and understanding Warning headers.
Wire	Logs data to the wire LOG.
X509HostnameVerifier	Deprecated. (4.4) Use HostnameVerifier.