public static Object toUUId(Object o) throws PageException {
	String str = toString(o);
	if (!Decision.isUUId(str)) throw new ExpressionException("can't cast [" + str + "] to uuid value");
	return str;
    }
public static Object toUUId ( Object o ) throws PageException { String str = toString ( o ) ; if ( ! Decision . isUUId ( str ) ) throw new ExpressionException ( "can't cast [" + str + "] to uuid value" ) ; return str ; }
cast a Object to a UUID

@param o Object to cast
@return casted Query Object
@throws PageException