Class Summary Class Description BufferedInputFilterInput filter responsible for reading and buffering the request body, so that it does not interfere with client SSL handshake messages. ChunkedInputFilterChunked input filter. ChunkedOutputFilterChunked output filter. GzipOutputFilterGzip output filter. IdentityInputFilterIdentity input filter. IdentityOutputFilterIdentity output filter. SavedRequestInputFilterInput filter responsible for replaying the request body when restoring the saved request after FORM authentication. VoidInputFilterVoid input filter, which returns -1 when attempting a read. VoidOutputFilterVoid output filter, which silently swallows bytes written.