Re: Stupid Question about Filters / ChainedIoHandler

[peter royal]

On Jul 3, 2006, at 12:19 PM, Paul Mallach wrote:

I'm currently porting an application from MINA 0.8.4 to the current version

and have got a small question about filters:


these filters, but my own Message-Objects, i.e.:

MyHandler       (only deal with my custom messages)

^       v                       Custom messages

MyFilter                (decodes Strings into my custom messages,
                        encodes my custom messages into Strings)

^       v                       Strings

TextLineDecoder/TextLineEncode  (ByteBuffer <=> String)

^       v

More MINA


receive ByteBuffers in their decode/encode methods and not Objects.

I want to queue multiple filters, so that each filter handles a different part of the encoding/decoding process. I don't want to pass ByteBuffers between But this doesn't seem to be possible, as ProtocolDecoder and ProtocolEncoder

Its totally possible. The ProtocolEncoder / ProtocolDecoder are part of the ProtocolCodecFilter, which you don't have listed in your example chain above. You should be fine.

I think I should use the new ChainedIoHandler instead of stacking multiple Filters. Is thtat true? Are there any examples for the recommended way to do

this?

I'd recommend using IoFilter's

-pete


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