Re: Velocity, ByteBuffers and GatheringByteChannels

> I'm tinkering with a java, non-blocking, HTTP server implementation
> and am considering tweaking Velocity (because of its
> container-agnostic design) so that I can use it's output in such an
> environment.
>
> Specifically, instead of having the Velocity Template "merge" its
> output to a Writer, I want to create a Template that "merges" output
> to something like a java.util.List<java.nio.ByteBuffer>.
>
> The purpose of this modified output would be to ultimately pass (it in
> the form of a ByteBuffer array) as the argument to a
> java.nio.channels.SocketChannel.write -- a non-blocking "gathering"
> operation.
>
> The idea with the java.util.List<java.nio.ByteBuffer> is that the
> content of some ByteBuffers will be dynamically generated; the
> contents of the rest would be static.
>
> So how to pull this off?  The first place I considered hacking was the
> Template class itself (something like intercepting every ASTText
> instance's render method for static content and doing something else
> with the dynamic bits of content).  Needless to say, this has a
> 'hacky' feel to it ;)  And since I'm new to Velocity, I'm thinking
> maybe there's a more elegant approach.