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From: Rob H. <ro...@in...> - 2006-03-27 08:14:32
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Just to interject here - scripting has been present since M2 with BSH, JRuby and Groovy. Rob On 26 Mar 2006, at 18:36, Darren Davison wrote: > On Sun, Mar 26, 2006 at 06:29:12AM -0500, Keith Donald wrote: >> Hey Darren, >> >> Could you maybe summarize what you see in Django that would be good >> influence for future enhancements to Spring's web stack? Would be >> good to >> consider and discuss those for the 2.x series and beyond... >> >> One of the features I see on a brief glance I think is important >> is the >> ability to design your on URL scheme using URL mapping expressions. > > Hi Keith, > > In my opinion, the biggest barrier to leaner, more dynamic Java web > frameworks is the Servlet API itself. RoR, Django, CherryPy and > others > aren't constrained by it and manage to do pretty well for > themselves. What > does the requirement for an implementation of this API buy for the > large > number of enterprise web apps which are basically CRUD wrappers > around a > database? Many of the existing frameworks in Java land are > starting to look > a bit too heavy for this compared to the ease of setting up in Ruby or > Python. > > The ability to map URL's directly to objects or methods via > something as > simple as regex declarations lowers the barriers to entry greatly > and makes > a simple web layer very quick to knock up. OOWeb for example (a > simple Java > port of CherryPy that a colleague and I wrote last year just to > prove the > point) offers a complete web novice the ability to start generating > dynamic > web content in less than 10 minutes. You get request parameter > binding to > your methods, form handling, security, logging, session replication > and a > simple built-in HTTP server in a jar that's around 60KB in size > with zero > additional dependencies. OK, so it's prototype stuff, but its > purpose was > to show that if you don't constrain yourself to the "standard" way of > thinking (Servlet API), you can do quite a lot of stuff with > greater ease > and speed. OOWeb is in fact being used in a couple of small > production > sites anyway, but if we were to look at it seriously, we'd probably > take the > HTTP engine from Jetty or something and build the object mapper > around that. > > The other aspect is the scriptability of the web tier. I know the > dynamic > stuff around BSF bean definitions hasn't really gone anywhere since > it was > mooted a couple of years ago, but this may be the best way forward > if we > want to hang on to the coat tails of things like Python and Ruby. > Jython > development seems to have stalled, which is a shame, and Groovy > doesn't > really appear to be building on the momentum it looked like having > a while > back either, but perhaps being first class citizens in a major web > framework > would help. > > Consider the Java web application framework "sans Servlet > Container", and > Spring seems to be in a perfect position to exploit an > opportunity. After > all, we already have a fantastic container and all the goodies you > need to > create a full featured service and data tier. If you could throw > up a web > tier around your database in the same sort of time that you can be > productive in Django and RoR (including re-code and re-load > semantics) then > that might be attractive to a lot of people who are currently > flirting with > the more dynamic upstarts. Having the Java bindings available from > web > scripts to the Spring container or other "Enterprise" deployed > components is > the USP that the others don't have. > > "Spring WebScript" - imagine the possibilities :) > > -- > Darren Davison > Public Key: 0xDD356B0D |