// Upload guidance acceptance document
public ActionForward prepareUploadGuidanceAcceptanceLetter(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
PhdIndividualProgramProcess process = getDomainObject(request, "processId");
PhdParticipant guider = getDomainObject(request, "guidingId");
PhdParticipantBean guidingBean = new PhdParticipantBean(guider);
PhdProgramDocumentUploadBean guidingAcceptanceLetter = new PhdProgramDocumentUploadBean();
guidingAcceptanceLetter.setType(PhdIndividualProgramDocumentType.GUIDER_ACCEPTANCE_LETTER);
guidingBean.setGuidingAcceptanceLetter(guidingAcceptanceLetter);