// package constructor, only called by Fields
SubjectField(OdfElement odfElement) {
TextSpanElement spanElement = ((OdfFileDom) odfElement.getOwnerDocument()).newOdfElement(TextSpanElement.class);
odfElement.appendChild(spanElement);
subjectElement = spanElement.newTextSubjectElement();
try {
OdfFileDom dom = (OdfFileDom) odfElement.getOwnerDocument();
Meta meta = ((Document) dom.getDocument()).getOfficeMetadata();
subjectElement.setTextContent(meta.getSubject());
} catch (Exception e) {