.find(c, UIUtil.getIntParameter(request, "item_id"));
AuthorizeUtil.authorizeManageItemPolicy(c, item);
ResourcePolicy policy = ResourcePolicy.create(c);
policy.setResource(item);
policy.update();
Group[] groups = Group.findAll(c, Group.NAME);
EPerson[] epeople = EPerson.findAll(c, EPerson.EMAIL);
// return to item permission page