Scattering/GatheringByteChannel and Netty

[Aaron Whiteside]

Hi, I'm a new user to Netty and I have a question..

Does Netty support the NIO scattering/gathering byte channels at a high
level? What would be really nice to have is the ability to somehow combine a
FrameDecoder and a ChannelBufferFactory so that one could use a heap based
buffer for ones protocol headers and a direct buffer for the protocols data
payload.

The reasoning behind such an idea is that I am not interested in parsing the
data payload in my application, all I want to do is persist it to disk or
write it off to another connection. And using direct buffers for this means
I get the most efficiency possible. But with the protocol headers I do want
to parse those and I would prefer not to incur the overhead of
reading/writing a direct buffer from the java space, since heap based
buffers are much more efficient in this case.

I hope I have managed to convey my question coherently enough that you may
point me in the right direction. Netty may already provide a solution to my
question that I am too blind to see.

On an ending note I must say I am thoroughly impressed with Netty it has a
clean and beautiful API the likes of which i haven't seen in years, if at
all.

Cheers,
Aaron
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