/**
 * Converter for dates.
 *
 * @author higa
 */
public class DateConverter implements Converter {

    /**
     * The date pattern.
     */
    protected String pattern;

    /**
     * Constructs an instance.
     *
     * @param pattern
     *            the date pattern
     */
    public DateConverter(final String pattern) {
        assertArgumentNotEmpty("pattern", pattern);

 *
 */
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"));
    }

        copyBeanToBean(entity, body,
                copyOp -> copyOp.exclude(Constants.PERMISSIONS, AdminAccesstokenAction.EXPIRED_TIME)
                        .excludeNull()
                        .dateConverter(Constants.DEFAULT_DATETIME_FORMAT, AdminAccesstokenAction.EXPIRES));
        final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
        body.permissions = stream(entity.getPermissions()).get(