/**
* Process the upload of a new file!
*
* @param context current DSpace context
* @param request current servlet request object
* @param response current servlet response object
* @param subInfo submission info object
* @return Status or error flag which will be processed by UI-related code! (if STATUS_COMPLETE or
* 0 is returned, no errors occurred!)
*/
protected int processUploadFile(
Context context,
HttpServletRequest request,
HttpServletResponse response,
SubmissionInfo subInfo)
throws ServletException, IOException, SQLException, AuthorizeException {
boolean formatKnown = true;
boolean fileOK = false;
BitstreamFormat bf = null;
Bitstream b = null;
// NOTE: File should already be uploaded.
// Manakin does this automatically via Cocoon.
// For JSP-UI, the SubmissionController.uploadFiles() does the actual upload
Enumeration attNames = request.getAttributeNames();
// loop through our request attributes
while (attNames.hasMoreElements()) {
String attr = (String) attNames.nextElement();
// if this ends with "-path", this attribute
// represents a newly uploaded file
if (attr.endsWith("-path")) {
// strip off the -path to get the actual parameter
// that the file was uploaded as
String param = attr.replace("-path", "");
// Load the file's path and input stream and description
String filePath = (String) request.getAttribute(param + "-path");
InputStream fileInputStream = (InputStream) request.getAttribute(param + "-inputstream");
// attempt to get description from attribute first, then direct from a parameter
String fileDescription = (String) request.getAttribute(param + "-description");
if (fileDescription == null || fileDescription.length() == 0) {
fileDescription = request.getParameter("description");
}
// if information wasn't passed by User Interface, we had a problem
// with the upload
if (filePath == null || fileInputStream == null) {
return STATUS_UPLOAD_ERROR;
}
if (subInfo == null) {
// In any event, if we don't have the submission info, the request
// was malformed
return STATUS_INTEGRITY_ERROR;
}
// Create the bitstream
Item item = subInfo.getSubmissionItem().getItem();
// do we already have a bundle?
Bundle[] bundles = item.getBundles("ORIGINAL");
if (bundles.length < 1) {
// set bundle's name to ORIGINAL
b = item.createSingleBitstream(fileInputStream, "ORIGINAL");
} else {
// we have a bundle already, just add bitstream
b = bundles[0].createBitstream(fileInputStream);
}
// Strip all but the last filename. It would be nice
// to know which OS the file came from.
String noPath = filePath;
while (noPath.indexOf('/') > -1) {
noPath = noPath.substring(noPath.indexOf('/') + 1);
}
while (noPath.indexOf('\\') > -1) {
noPath = noPath.substring(noPath.indexOf('\\') + 1);
}
b.setName(noPath);
b.setSource(filePath);
b.setDescription(fileDescription);
// Identify the format
bf = FormatIdentifier.guessFormat(context, b);
b.setFormat(bf);
// Update to DB
b.update();
item.update();
if ((bf != null) && (bf.isInternal())) {
log.warn("Attempt to upload file format marked as internal system use only");
backoutBitstream(subInfo, b, item);
return STATUS_UPLOAD_ERROR;
}
// Check for virus
if (ConfigurationManager.getBooleanProperty("submission-curation", "virus-scan")) {
Curator curator = new Curator();
curator.addTask("vscan").curate(item);
int status = curator.getStatus("vscan");
if (status == Curator.CURATE_ERROR) {
backoutBitstream(subInfo, b, item);
return STATUS_VIRUS_CHECKER_UNAVAILABLE;
} else if (status == Curator.CURATE_FAIL) {
backoutBitstream(subInfo, b, item);
return STATUS_CONTAINS_VIRUS;
}
}
// If we got this far then everything is more or less ok.
// Comment - not sure if this is the right place for a commit here
// but I'm not brave enough to remove it - Robin.
context.commit();
// save this bitstream to the submission info, as the
// bitstream we're currently working with
subInfo.setBitstream(b);
// if format was not identified
if (bf == null) {
return STATUS_UNKNOWN_FORMAT;
}
} // end if attribute ends with "-path"
} // end while
return STATUS_COMPLETE;
}
