Start processing the stanzas
some experiment ideas on decode/encode xmpp stanzas
advertise support for xmpp session after SASL negotiation
deal with Session info query
move dealing stanzas code to StanzasReadyState
basic supports for Service Discovery
User java.util.ServiceLoader for extension component to register their
own decoder
remove Decoder.Container
add support for Stanza error
When an decoder is not found, response service_unvailable stanza error
to the client
Use java 7 MethodHandler to initialize logger
encode an stanza into xml
remove unnecessary code dealing session in ResourceBindState class
a new Processor interface process request payload and return response
payload