Thank you very much for your explanation
>Пятница, 15 мая 2020, 18:51 +03:00 от Brian Demers <[email protected]>: > >A user (principal) could be part of multiple realms. Maybe your user >authenticates from one realm, and is authorized by a different one. For >example, your user/passwords are handled by an LDAP server, but your >permissions-to-user mappings are application-specific. This would result in a >collection of principals. > >The Javadoc for PrincipalCollection, as some great info too: >https://github.com/apache/shiro/blob/master/core/src/main/java/org/apache/shiro/subject/PrincipalCollection.java > >Many applications just use a single realm and single Principal, in which case >you can just call `subject.getPrincipal()` and avoid the `PrincipalCollection` >altogether. >On Fri, May 15, 2020 at 11:10 AM Alex Sviridov < [email protected] > wrote: >>Hi all, >> >>I am learning Shiro and can’t understand why in >>AuthorizingRealm#doGetAuthorizationInfo(PrincipalCollection pc) >>we have `PrincipalCollection pc` but not `Principal p`. By other workds, >>why collection? >> >>Could anyone explain? >> >>-- >>Alex Sviridov -- Alex Sviridov
