I suppose there are already templating abilities written into the popular code editors, but something that maybe takes the first two or three lines of what you'

I suppose there are already templating abilities written into the popular code editors, but something that maybe takes the first two or three lines of what you've written (maybe a common JDBC connection style block) and identifies it as such. I'm not sure if it would be incredibly useful but it would be interesting to see what came of it.