Package org.apache.http

Core HTTP component APIs and primitives.

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.

Interface Summary

Interface	Description
ConnectionReuseStrategy	Interface for deciding whether a connection can be re-used for subsequent requests and should be kept alive.
ExceptionLogger
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.
HttpConnectionFactory<T extends HttpConnection>	Factory for HttpConnection instances.
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

Class	Description
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

Exception	Description
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.
MessageConstraintException	Signals a message constraint violation.
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.