Re: [OS-webwork] Ognl as replacement for WW EL

[Rickard Öberg]

Patrick Lightbody wrote:

As for using the other expression language, yes, Ognl supports any kind of
expression tree (Node interface), but that would be a lot of work to
implement the WW EL in to Ognl's form. An easier way (and this will be
included for backwards compatibility) would be to just include the old
ValueStack code as well.

How would you determine what code to use? It would be great if XWork could standardize on ONE way to do this.

However, by using Ognl we gain not having to maintian our own EL

What maintenance work would that be? It doesn't change much.

and a whole
bunch of speed, as well as more powerful features (Ognl can even do lamba
expressions).

Can you give an example of when lambda expressions would be useful?

The only cost is switching your brain to use "." instead of
"/" and "[1]" instead of "../".

Most other EL's seem to use "." anyway, so that's ok I think. The other one is..ehrm... so-so, but not that much of a deal.

/Rickard



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