String[] groupNames = manager.getGroups();
String[] groupNames = getGroups();
	public boolean getAllowedValues(Set values, AttributeDesignator attribute)	{		URI id = attribute.getId();		if(id.equals(XACMLConstants.SUBJECT_ID_ATTRIBUTE))		{			User[] users = manager.getUsers();			for(int i = 0; i < users.length; ++i)				values.add(new Integer(users[i].getUID()));			return false;		}		if(id.equals(XACMLConstants.USER_NAME_ATTRIBUTE))		{			User[] users = manager.getUsers();			for(int i = 0; i < users.length; ++i)				values.add(users[i].getName());			return false;		}		if(id.equals(XACMLConstants.GROUP_ATTRIBUTE))		{			String[] groupNames = manager.getGroups();			for(int i = 0; i < groupNames.length; ++i)				values.add(groupNames[i]);			return false;		}		if(id.equals(XACMLConstants.SUBJECT_NS_ATTRIBUTE))		{			values.add(XACMLConstants.SUBJECT_NS);			return false;		}		return true;	}