[Biojava-dev] filter walker

[Matthew Pocock]

Hi,

I have checked in a new package - org.biojava.bio.seq.filter - that 
contains some interfaces for things that walk over filter expressions. 
It uses some bytecode magic so that you can write realy simple visitor 
classes and they get shown all the filters they are interested in. Also, 
the same magic lets us optionaly have visitors that return data from 
their visiting methds, so we could trawl across a filter tree and 
prety-print it by returning strings, or transform one tree into another 
by returning filters from the visit methods.

There is no package.html yet - if someone feels inspired, I won't stop you.

The best source of docs & examples are the unit tests - how XP of me. I 
guess these could be pulled out, dusted off, and put into bjia or the 
package docs as propper examples.

Matthew

-- 
BioJava Consulting LTD - Support and training for BioJava
http://www.biojava.co.uk