JGeometry (Oracle Spatial Java API Reference)

oracle.spatial.geometry
Class JGeometry

/// reading a geometry from database

     ResultSet rs = statement.executeQuery("SELECT geometry FROM states where name='Florida'");
    STRUCT st = (oracle.sql.STRUCT) rs.getObject(1);
    //convert STRUCT into geometry
    JGeometry j_geom = JGeometry.load(st);

    // ... manipulate the geometry or create a new JGeometry ...

    /// writing a geometry back to database
    PreparedStatement ps = connection.prepareStatement("UPDATE states set geometry=? where name='Florida'");
    //convert JGeometry instance to DB STRUCT
    STRUCT obj = JGeometry.store(j_geom, connection);
    ps.setObject(1, obj);
    ps.execute();