but... I believe that introduceing new syntax of _expression_ language make Wicket
hard to learn, especially for those developers with JSP/JSTL background (most of us !)
It's better if we can reuse EL (_expression_ language) syntax, a J2EE standard, for new
implmentation.
On 10/27/05, Johan Compagner <[EMAIL PROTECTED]> wrote:
Hi
I have written a replacement of OGNL when i test it with a very simple test (The FormInput example)
then i see quite some improvements in cpu speedups and mem improvements
Around 40% speed increase for a submitting the forminput example page 20 times
and only 1/5 of the memory garbage is generated (50MB against 10MB)
The question is what do you guys use of ognl? Can i completely drop it or must i make it an option so
that you can switch in youre application for all using ognl or the homebrew wicket impl.
Or make seperate classes (like AbstractPropertyModel) but this is not really doable because then all the
sub classes must also be copied...(Like CompoundXX)
What i do support now is this:
person.name (plain properties)
person.addresses.0.street (addresses is a list and i take the first element)
person.addresses.homeaddress.street (addresses is map and i take the address with the key 'homeaddress' out of it)
so maps and list are seen and the next part of the _expression_ is then the key or the index you can also put values in a map
or append/set to a list:
person.addresses.homeaddress = new Address()
person.addresses.10 = new Address()
if the list size is smaller then 10 then it will appends null to make it that size.
addresses can also be an Array but then it won't be able to grow.
Ofcourse the person.address.street will just be null if address is null, no exception will be thrown
if you try to set something on a null object a exception is still thrown, Maybe we could make some null handlers for that somehow that are easy useable.
So can people live with this? Does anybody uses something different of ognl?
johan
--
Ingram Chen
Java [EMAIL PROTECTED]
Institue of BioMedical Sciences Academia Sinica Taiwan
blog: http://www.javaworld.com.tw/roller/page/ingramchen
