Page Comparison

java.util.Set authzGroupIds = authzGroupService.getAuthzGroupsIsAllowed(userId, "tool.permission", null); // (1)
java.util.Iterator it = authzGroupIds.iterator(); // (2)
while (it.hasNext()) {
   String authzGroupId = (String) it.next();
   Reference r = entityManager.newReference(authzGroupId); // (3)
   if(r.isKnownType()) {
      if(r.getType().equals(SiteService.SITEAPPLICATION_SUBTYPEID)) { // (4)
         // do something since this is a site
         String siteId = r.getId();
         String context = r.getId();
         try {
            Site site = siteService.getSite(siteId);
         } catch (IdUnusedException e) {
            // invalid site Id returned
            throw new RuntimeException("Could not get site from siteId:" + siteId);
         }
      } else if (r.getType().equals(SiteService.GROUP_SUBTYPE)) { // (5)
         // do something since this is a site group
         String groupId = r.getId();
         String context = r.getId();
         Group group = siteService.findGroup(groupId);
         if (group != null) {
            // found a valid group so do something
         }
      }
   }
}