/**
     * @throws Exception
     */
    @Test
    public void testGetAsObjectAndGetAsString() throws Exception {
        final SqlDateConverter converter = new SqlDateConverter("yyyy/MM/dd");
        final java.sql.Date result = (java.sql.Date) converter.getAsObject("2008/01/16");
        System.out.println(result);
        assertThat(converter.getAsString(result), is("2008/01/16"));
    }

    /**

    public static final String DATE_FORMAT_ISO_8601_BASIC = "yyyyMMdd'T'HHmmss.SSSZ";

    public static final String DATE_FORMAT_ISO_8601_EXTEND = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";

    public static final String DATE_FORMAT_ISO_8601_EXTEND_UTC = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";

    public static final String DATE_FORMAT_DIGIT_ONLY = "yyyyMMddHHmmss";

    protected CoreLibConstants() {
    }

import org.opensearch.search.aggregations.metrics.Avg;
import org.opensearch.search.aggregations.metrics.Cardinality;

public class SearchLogService {

    private static final String YYYY_MM_DD_HH_MM = "yyyy-MM-dd HH:mm";

    private static final String COUNT = "count";

    private static final String KEY = "key";

    private static final String ID = "id";

    //        assertThat(new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(date), is("2010/09/07 11:49:10"));
    //    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_SpecificPattern() throws Exception {
        final Date date = toDate("07/09/10 10:49:11", "dd/MM/yy ss:mm:HH", Locale.JAPAN);
        assertThat(new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(date), is("2010/09/07 11:49:10"));
    }

public class DateConverterTest {

    /**
     * @throws Exception
     */
    @Test
    public void testGetAsObjectAndGetAsString() throws Exception {
        final DateConverter converter = new DateConverter("yyyy/MM/dd");
        final Date result = (Date) converter.getAsObject("2008/01/16");
        System.out.println(result);
        assertThat(converter.getAsString(result), is("2008/01/16"));
    }

    /**
     * @throws Exception

 * <tr>
 * <td rowspan="4">{@link DateFormat}の標準形式</td>
 * <td>{@link DateFormat#SHORT}の形式</td>
 * <td>{@literal yy/MM/dd}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#MEDIUM}の形式</td>
 * <td>{@literal yyyy/MM/dd}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#LONG}の形式</td>
 * <td>{@literal yyyy/MM/dd}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#FULL}の形式</td>
 * <td>{@literal yyyy'年'M'月'd'日'}</td>
 * </tr>

        assertThat(new SimpleDateFormat("yyyy/MM/dd").format(date), is("2010/09/07"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_SpecificPattern() throws Exception {
        final Date date = toDate("07//09//10", "dd//MM//yy");
        assertThat(new SimpleDateFormat("yyyy/MM/dd").format(date), is("2010/09/07"));
    }

    /**

 *
 * <dl>
 *   <dt>The IPv4 loopback address, {@code "127.0.0.1"}.
 *   <dd>{@code 7f 00 00 01}
 *   <dt>The IPv6 loopback address, {@code "::1"}.
 *   <dd>{@code 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01}
 *   <dt>From the IPv6 reserved documentation prefix ({@code 2001:db8::/32}), {@code "2001:db8::1"}.
 *   <dd>{@code 20 01 0d b8 00 00 00 00 00 00 00 00 00 00 00 01}

    /**
     * @throws Exception
     */
    @Test
    public void testGetAsObjectAndGetAsString() throws Exception {
        final TimestampConverter converter = new TimestampConverter("yyyy/MM/dd HH:mm:ss");
        final java.sql.Timestamp result = (java.sql.Timestamp) converter.getAsObject("2008/12/31 12:34:56");
        System.out.println(result);
        assertThat(converter.getAsString(result), is("2008/12/31 12:34:56"));

 * <tr>
 * <td rowspan="4">{@link DateFormat}の標準形式</td>
 * <td>{@link DateFormat#SHORT}の形式</td>
 * <td>{@literal yy/MM/dd H:mm}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#MEDIUM}の形式</td>
 * <td>{@literal yyyy/MM/dd H:mm:ss}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#LONG}の形式</td>
 * <td>{@literal yyyy/MM/dd H:mm:ss z}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#FULL}の形式</td>