So. We have this image we use for the navbar. We changed the navbar
image, but because we had set the expires to be a day, the change wasn't
apparent to people for a day after we deployed.
I proposed to our team to leverage the tapestry's Asset system to have
normal context assets add a nonce at the end of the url:
from '/img/someimage.jpg' to '/img/someimage.jpg?hash=234kjl4k4nn2nkkj3'
much like what the classpath assets do, having the nonce be some sort of
unique value of the asset, thus having a unique url any time the image
changes.. (lastmodtime+filesize seems to be the most efficient)
Any tips? Any tricks? Have we done this already?
I was just going to look at creating my own Asset class, and replacing
the 'context:' prefix with my implementation, but if there is an easier
way. :)
fernando
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