Passando uma lista de datas para uma função oracle db via java

CREATE TYPE DATE_ARRAY AS TABLE OF DATE;

-- a dummy function just for presenting the usage of input array
CREATE FUNCTION Date_Array_Test_Function(p_data IN DATE_ARRAY) 
RETURN INTEGER  
IS
    TYPE Cur IS REF CURSOR;
    MyCur cur;

    single_date DATE;
BEGIN
    /* Inside this function you can do anything you wish 
        with the input parameter: p_data */

    OPEN MyCur FOR SELECT * FROM table(p_data);

    LOOP
      FETCH MyCur INTO single_date;
      EXIT WHEN MyCur%NOTFOUND;

      dbms_output.put_line(to_char(single_date));
    END LOOP;

    RETURN 0;

END Date_Array_Test_Function;

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Types;

import oracle.sql.ARRAY;
import oracle.sql.ArrayDescriptor;

public class Main 
{           
    public static void main(String[] args) throws SQLException 
    {
        Connection c = DriverManager.getConnection(url, user, pass);

        String query = "begin ? := date_array_test_function( ? ); end;";

        // note the uppercase "DATE_ARRAY"
        ArrayDescriptor arrDescriptor = ArrayDescriptor.createDescriptor("DATE_ARRAY", c);

        // Test dates
        Date[] inputs = new Date[] {new Date(System.currentTimeMillis()),
                                    new Date(System.currentTimeMillis()),
                                    new Date(System.currentTimeMillis())};

        ARRAY array = new ARRAY(arrDescriptor, c, inputs);

        CallableStatement cs = c.prepareCall(query);
        cs.registerOutParameter(1, Types.INTEGER); // the return value
        cs.setObject(2, array); // the input of the function
        cs.executeUpdate();

        System.out.println(cs.getInt(1));
    }
}