org.apache.commons.httpclient
Interfaces 
Credentials
HttpConnectionManager
HttpMethod
HttpUrlMethod
MethodRetryHandler
Classes 
Authenticator
ChunkedInputStream
ChunkedOutputStream
ConnectMethod
ContentLengthInputStream
Cookie
DefaultMethodRetryHandler
Header
HeaderElement
HeaderGroup
HostConfiguration
HttpClient
HttpConnection
HttpConstants
HttpMethodBase
HttpParser
HttpState
HttpStatus
HttpsURL
HttpURL
MultiThreadedHttpConnectionManager
NameValuePair
NTCredentials
NTLM
RequestOutputStream
ResponseInputStream
SimpleHttpConnectionManager
StatusLine
URI
URI.LocaleToCharsetMap
UsernamePasswordCredentials
Exceptions 
HttpException
HttpRecoverableException
URI.DefaultCharsetChanged
URIException