显示SDO_GEOMETRY类型的属性的值

I'm trying to use JDBC to display rows in a table created in an Oracle 11g Database, the problem is I don't manage to get the value of the attribute "SHAPE" of type "SDO_GEOMETRY" using the following code, which by the way works fine when it comes to the other attributes of the table : I'm trying to use JDBC to display rows in a tab