I can think of a couple of ways of doing this. The way I do this is
to use an ExternalCallback, store that in session, and after
successful authentication, I just execute the callback. However, this
only works if you use ExternalLinks, and doesn't work at all if
someone submits a form after being away from their computer for long
enough to lose their session.
Here's what would be really useful, but doens't actually work, currently:
If you have their serviceParameters, you shouldn't need to put them
back in a request via the URL of the age, I think. You should just be
able to do something like this in your listener after they've
successfully authenticated:
@Persist
public abstract IPage getPreviousPage();
public abstract void setPreviousPage(IPage page)
@Persist
public abstract Object[] getStoredServiceParameters();
public abstract void setStoredServiceParameters(Object[] params);
public void doSomething(IRequestCycle cycle) {
// check auth here
if (authSuccess) {
cycle.setServiceParameters(getStoredServiceParameters());
cycle.activate(getPreviousPage());
return;
}
}
Unfortunately, when a page is activated, it doesn't go through a
rewind cycle, so even if the service parameters have all the right
info (and I'm not sure they do), the fields of your new page would not
be populated with the data.
I never found a solution to this, so my app has ExternalLinks
everywhere I can get them, and if you submit a form hours after you
loaded it, you just have to suffer through the process of filling it
out again manually. It is more than a little frustrating, but after
fighting with this problem for a good long while, I gave up on it.
I'd love to find a way to force a page to go through the entire
rewind/render cycle programmatically from a listener on another page,
but there doesn't seem to be a way to do this.
--sam
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