## Package org.apache.http

Core HTTP components based on the blocking I/O model.

See:
Description

Interface Summary
ConnectionReuseStrategy: Interface for deciding whether a connection can be re-used for subsequent requests and should be kept alive.
FormattedHeader: An HTTP header which is already formatted.
Header: Represents an HTTP header field.
HeaderElement: One element of an HTTP `header` value consisting of a name / value pair and a number of optional name / value parameters.
HeaderElementIterator: A type-safe iterator for `HeaderElement` objects.
HeaderIterator: A type-safe iterator for `Header` objects.
HttpClientConnection: A client-side HTTP connection, which can be used for sending requests and receiving responses.
HttpConnection: A generic HTTP connection, useful on client and server side.
HttpConnectionMetrics: The point of access to the statistics of an `HttpConnection`.
HttpEntity: An entity that can be sent or received with an HTTP message.
HttpEntityEnclosingRequest: A request with an entity.
HttpInetConnection: An HTTP connection over the Internet Protocol (IP).
HttpMessage: HTTP messages consist of requests from client to server and responses from server to client.
HttpRequest: A request message from a client to a server includes, within the first line of that message, the method to be applied to the resource, the identifier of the resource, and the protocol version in use.
HttpRequestFactory: A factory for `HttpRequest` objects.
HttpRequestInterceptor: HTTP protocol interceptor is a routine that implements a specific aspect of the HTTP protocol.
HttpResponse: After receiving and interpreting a request message, a server responds with an HTTP response message.
HttpResponseFactory: A factory for `HttpResponse` objects.
HttpResponseInterceptor: HTTP protocol interceptor is a routine that implements a specific aspect of the HTTP protocol.
HttpServerConnection: A server-side HTTP connection, which can be used for receiving requests and sending responses.
HttpStatus: Constants enumerating the HTTP status codes.
NameValuePair: A name / value pair parameter used as an element of HTTP messages.
ReasonPhraseCatalog: Interface for obtaining reason phrases for HTTP status codes.
RequestLine: The Request-Line begins with a method token, followed by the Request-URI and the protocol version, and ending with CRLF.
StatusLine: The first line of a Response message is the Status-Line, consisting of the protocol version followed by a numeric status code and its associated textual phrase, with each element separated by SP characters.
TokenIterator: An iterator for `String` tokens.

Class Summary
Consts: Commons constants.
HttpHeaders: Constants enumerating the HTTP headers.
HttpHost: Holds all of the variables needed to describe an HTTP connection to a host.
HttpVersion: Represents an HTTP version.
ProtocolVersion: Represents a protocol version.

Exception Summary
ConnectionClosedException: Signals that the connection has been closed unexpectedly.
ContentTooLongException: Signals that HTTP entity content is too long.
HttpException: Signals that an HTTP exception has occurred.
MalformedChunkCodingException: Signals a malformed chunked stream.
MethodNotSupportedException: Signals that an HTTP method is not supported.
NoHttpResponseException: Signals that the target server failed to respond with a valid HTTP response.
ParseException: Signals a parse error.
ProtocolException: Signals that an HTTP protocol violation has occurred.
TruncatedChunkException: Signals a truncated chunk in a chunked stream.
UnsupportedHttpVersionException: Signals an unsupported version of the HTTP protocol.

## Package org.apache.http Description

Core HTTP components based on the blocking I/O model. These deal with the fundamental things required for using the HTTP protocol, such as representing a `message` including it's `headers` and optional `entity`, and `connections` over which messages are sent. In order to prepare messages before sending or after receiving, there are interceptors for `requests` and `responses`.

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