I ran into a interesting problem when setting up AclVoters for our project.
We are using our own custom AclEntry that subclasses AbstractBasicAclEntry.
So when I tried to set up a class that uses AclVoter, I got a
ClassCastException at this particular section:
for(int i = 0; i < entries.length; i++) {
SimpleAclEntry sae = (SimpleAclEntry)entries[i];
for(int j = 0; j < requirePermission.length; j++) {
if(sae.isPermitted(requirePermission[j])) {
result = ACCESS_GRANTED;
}
}
}
So, from this, it seems that we are casting to SimpleAclEntry because we
need to access the method .isPermitted(). But this method is defined in
AbstractBasicAclEntry. However because it is abstract, we cannot cast to
that specifically...
So my subclass doesn't work, even though it has the method necessary to work
properly.
I think this can be improved... it just seems rather odd for BasicAclEntry
to not declare the method, but the abstract implementation does, and then
SimpleAclEntry makes use of it? This doesn't lend well to making AclVoter
very extensible.
I think could either add the methods to BasicAclEntry, or make another
interface to back the added functions that AbstractBasicAclEntry brings to
the table and update AclVoter accordingly.
Thanks!
-tim
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