code: @Override
  	public synchronized boolean addEntry(Principal caller, Principal principal, Permission permission)
  	{
  		return addEntry(caller, new SecurityAccessControl(principal, permission));
  	}
docs: /*
  (non-Javadoc)
  
  @see
  nyla.solutions.core.security.data.Acl#addEntry(java.security.Principal,
  java.security.Principal, nyla.solutions.core.security.data.Permission)