public synchronized Report getReport() throws MessagingException {
if (getCount() < 2)
    return null;
BodyPart bp = getBodyPart(1);
try {
    Object content = bp.getContent();
    if (!(content instanceof Report))
    return null;
    return (Report)content;
} catch (IOException ex) {
    throw new MessagingException("IOException getting Report", ex);
}

if (content instanceof MultipartReport) {

        MultipartReport report = (MultipartReport) content;
        Object status = report.getReport();

         ....

    }