Callback for
ProtocolDecoder to generate decoded messages.
ProtocolDecoder must call
ProtocolDecoderOutput.write(Object) for each decoded
messages.
author: The Apache MINA Project (dev@mina.apache.org) version: $Rev: 576217 $, $Date: 2007-09-16 17:55:27 -0600 (Sun, 16 Sep 2007) $