/**
* @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
* javax.servlet.http.HttpServletResponse)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String obsId = request.getParameter("obsId");
String view = request.getParameter("view");
String viewType = request.getParameter("viewType");
HttpSession session = request.getSession();
if (obsId == null || obsId.length() == 0) {
session.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "error.null");
return;
}
if (!Context.hasPrivilege(OpenmrsConstants.PRIV_VIEW_OBS)) {
session.setAttribute(
WebConstants.OPENMRS_ERROR_ATTR, "Privilege required: " + OpenmrsConstants.PRIV_VIEW_OBS);
session.setAttribute(
WebConstants.OPENMRS_LOGIN_REDIRECT_HTTPSESSION_ATTR,
request.getRequestURI() + "?" + request.getQueryString());
response.sendRedirect(request.getContextPath() + "/login.htm");
return;
}
Obs complexObs = Context.getObsService().getComplexObs(Integer.valueOf(obsId), view);
ComplexData cd = complexObs.getComplexData();
Object data = cd.getData();
if ("download".equals(viewType)) {
response.setHeader("Content-Disposition", "attachment; filename=" + cd.getTitle());
response.setHeader("Pragma", "no-cache");
}
if (data instanceof byte[]) {
ByteArrayInputStream stream = new ByteArrayInputStream((byte[]) data);
OpenmrsUtil.copyFile(stream, response.getOutputStream());
} else if (RenderedImage.class.isAssignableFrom(data.getClass())) {
RenderedImage img = (RenderedImage) data;
String[] parts = cd.getTitle().split(".");
String extension = "jpg"; // default extension
if (parts.length > 0) {
extension = parts[parts.length - 1];
}
ImageIO.write(img, extension, response.getOutputStream());
} else if (InputStream.class.isAssignableFrom(data.getClass())) {
InputStream stream = (InputStream) data;
OpenmrsUtil.copyFile(stream, response.getOutputStream());
stream.close();
} else {
throw new ServletException(
"Couldn't serialize complex obs data for obsId=" + obsId + " of type " + data.getClass());
}
}
/**
* This is an equivalent to a copy constructor. Creates a new copy of the given <code>obsToCopy
* </code> with a null obs id
*
* @param obsToCopy The Obs that is going to be copied
* @return a new Obs object with all the same attributes as the given obs
*/
public static Obs newInstance(Obs obsToCopy) {
Obs newObs =
new Obs(
obsToCopy.getPerson(),
obsToCopy.getConcept(),
obsToCopy.getObsDatetime(),
obsToCopy.getLocation());
newObs.setObsGroup(obsToCopy.getObsGroup());
newObs.setAccessionNumber(obsToCopy.getAccessionNumber());
newObs.setValueCoded(obsToCopy.getValueCoded());
newObs.setValueDrug(obsToCopy.getValueDrug());
newObs.setValueGroupId(obsToCopy.getValueGroupId());
newObs.setValueDatetime(obsToCopy.getValueDatetime());
newObs.setValueNumeric(obsToCopy.getValueNumeric());
newObs.setValueModifier(obsToCopy.getValueModifier());
newObs.setValueText(obsToCopy.getValueText());
newObs.setComment(obsToCopy.getComment());
newObs.setOrder(obsToCopy.getOrder());
newObs.setEncounter(obsToCopy.getEncounter());
newObs.setDateStarted(obsToCopy.getDateStarted());
newObs.setDateStopped(obsToCopy.getDateStopped());
newObs.setCreator(obsToCopy.getCreator());
newObs.setDateCreated(obsToCopy.getDateCreated());
newObs.setVoided(obsToCopy.getVoided());
newObs.setVoidedBy(obsToCopy.getVoidedBy());
newObs.setDateVoided(obsToCopy.getDateVoided());
newObs.setVoidReason(obsToCopy.getVoidReason());
newObs.setValueComplex(obsToCopy.getValueComplex());
newObs.setComplexData(obsToCopy.getComplexData());
if (obsToCopy.getGroupMembers() != null)
for (Obs member : obsToCopy.getGroupMembers()) {
// if the obs hasn't been saved yet, no need to duplicate it
if (member.getObsId() == null) newObs.addGroupMember(member);
else newObs.addGroupMember(Obs.newInstance(member));
}
return newObs;
}