throw new UnknownServiceException("Method not implemented in base class");
InputStream content; try { String encoding = _part.getEncoding(); if (_part instanceof MimeMessage) { content = ((MimeMessage) _part).getContentStream(); } else if (_part instanceof MimeBodyPart) { content = ((MimeBodyPart) _part).getContentStream(); } else { throw new MessagingException("Unknown part"); } return MimeUtility.decode(content, encoding); } catch (MessagingException e) { throw new IOException(e.toString()); }
    public InputStream getInputStream() throws IOException {        throw new UnknownServiceException("Method not implemented in base class");    }