org.apache.commons.httpclient
Interfaces 
Credentials
HttpMethod
HttpUrlMethod
Classes 
Base64
ChunkedInputStream
ConnectMethod
ContentLengthInputStream
Cookie
Header
HeaderElement
HttpClient
HttpConnection
HttpConnectionManager
HttpMethodBase
HttpMultiClient
HttpSharedState
HttpState
HttpStatus
NameValuePair
RequestOutputStream
ResponseInputStream
URIUtil
UsernamePasswordCredentials
WireLogInputStream
Exceptions 
HttpException
HttpRecoverableException