private void findExpressionType ( )
    {
        boolean isKeyType = false;
        for ( int i = 0; i < container.length; i++ )
        {
            String element = Grammer.findExpression ( container[i] );
            if ( !"".equals ( element ) )
            {
                if (true == parseType ( element ))
                {
                    isKeyType = true;
                    break;
                }
            }
        }
        if ((0 < container.length) && !isKeyType)
        {
            if (this.isAfterComponent && this.isCurlyBracket)
            {
                Field field = parseField();
                writer.writeXML ( "field", field );
            }
        }
    }