I "think" because you refer to the *langs* object in the *activation* event
method, it flashes the object. You find it as an empty list, correct ?
I'm not fully aware of the FLASH persistence but I suppose it's only meant
for persisting form fields across requests and a Collection isn't
applicable for that.
On Thu, Jan 24, 2013 at 9:36 AM, zhouyc <zhou.yongch...@gmail.com> wrote:
> please help me to solve the problem?
> after submitting and page redisplayed, username can be saved, but langs
> lost
> values added by submit method.
>
> @Property
> @Persist(PersistenceConstants.FLASH)
> private String username;
>
> @Property
> @Persist(PersistenceConstants.FLASH)
> private List<String> langs;
>
> void onActivate() {
> if (langs == null) {
> langs = new ArrayList<String>();
> }
> }
>
> void onSubmit() {
> langs.add("en");
> }
>
>
>
> --
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