SVNProperties revProps = fsfs.getRevisionProperties(revision);
String revisionDate = revProps.getStringValue(SVNRevisionProperty.DATE);
if (revisionDate != null) {
SVNDate date = SVNDate.parseDate(revisionDate);
revProps.put(SVNRevisionProperty.DATE, date.format());
}
ByteArrayOutputStream encodedProps = new ByteArrayOutputStream();
SVNAdminHelper.writeProperties(revProps, null, encodedProps);