/**
* Do any processing of the information input by the user, and/or perform step processing (if no
* user interaction required)
*
* <p>It is this method's job to save any data to the underlying database, as necessary, and
* return error messages (if any) which can then be processed by the appropriate user interface
* (JSP-UI or XML-UI)
*
* <p>NOTE: If this step is a non-interactive step (i.e. requires no UI), then it should perform
* *all* of its processing in this method!
*
* @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 doPostProcessing() below! (if
* STATUS_COMPLETE or 0 is returned, no errors occurred!)
*/
public int doProcessing(
Context context,
HttpServletRequest request,
HttpServletResponse response,
SubmissionInfo subInfo)
throws ServletException, IOException, SQLException, AuthorizeException {
// get button user pressed
String buttonPressed = Util.getSubmitButton(request, NEXT_BUTTON);
// get reference to item
Item item = subInfo.getSubmissionItem().getItem();
// -----------------------------------
// Step #0: Upload new files (if any)
// -----------------------------------
String contentType = request.getContentType();
// if multipart form, then we are uploading a file
if ((contentType != null) && (contentType.indexOf("multipart/form-data") != -1)) {
// This is a multipart request, so it's a file upload
// (return any status messages or errors reported)
int status = processUploadFile(context, request, response, subInfo);
// if error occurred, return immediately
if (status != STATUS_COMPLETE) {
return status;
}
}
// if user pressed jump-to button in process bar,
// return success (so that jump will occur)
if (buttonPressed.startsWith(PROGRESS_BAR_PREFIX)) {
// check if a file is required to be uploaded
if (fileRequired && !item.hasUploadedFiles()) {
return STATUS_NO_FILES_ERROR;
} else {
return STATUS_COMPLETE;
}
}
// ---------------------------------------------
// Step #1: Check if this was just a request to
// edit file information.
// (or canceled editing information)
// ---------------------------------------------
// check if we're already editing a specific bitstream
if (request.getParameter("bitstream_id") != null) {
if (buttonPressed.equals(CANCEL_EDIT_BUTTON)) {
// canceled an edit bitstream request
subInfo.setBitstream(null);
// this flag will just return us to the normal upload screen
return STATUS_EDIT_COMPLETE;
} else {
// load info for bitstream we are editing
Bitstream b =
Bitstream.find(context, Integer.parseInt(request.getParameter("bitstream_id")));
// save bitstream to submission info
subInfo.setBitstream(b);
}
} else if (buttonPressed.startsWith("submit_edit_")) {
// get ID of bitstream that was requested for editing
String bitstreamID = buttonPressed.substring("submit_edit_".length());
Bitstream b = Bitstream.find(context, Integer.parseInt(bitstreamID));
// save bitstream to submission info
subInfo.setBitstream(b);
// return appropriate status flag to say we are now editing the
// bitstream
return STATUS_EDIT_BITSTREAM;
}
// ---------------------------------------------
// Step #2: Process any remove file request(s)
// ---------------------------------------------
// Remove-selected requests come from Manakin
if (buttonPressed.equalsIgnoreCase("submit_remove_selected")) {
// this is a remove multiple request!
if (request.getParameter("remove") != null) {
// get all files to be removed
String[] removeIDs = request.getParameterValues("remove");
// remove each file in the list
for (int i = 0; i < removeIDs.length; i++) {
int id = Integer.parseInt(removeIDs[i]);
int status = processRemoveFile(context, item, id);
// if error occurred, return immediately
if (status != STATUS_COMPLETE) {
return status;
}
}
// remove current bitstream from Submission Info
subInfo.setBitstream(null);
}
} else if (buttonPressed.startsWith("submit_remove_")) {
// A single file "remove" button must have been pressed
int id = Integer.parseInt(buttonPressed.substring(14));
int status = processRemoveFile(context, item, id);
// if error occurred, return immediately
if (status != STATUS_COMPLETE) {
return status;
}
// remove current bitstream from Submission Info
subInfo.setBitstream(null);
}
// -------------------------------------------------
// Step #3: Check for a change in file description
// -------------------------------------------------
String fileDescription = request.getParameter("description");
if (fileDescription != null && fileDescription.length() > 0) {
// save this file description
int status = processSaveFileDescription(context, request, response, subInfo);
// if error occurred, return immediately
if (status != STATUS_COMPLETE) {
return status;
}
}
// ------------------------------------------
// Step #4: Check for a file format change
// (if user had to manually specify format)
// ------------------------------------------
int formatTypeID = Util.getIntParameter(request, "format");
String formatDesc = request.getParameter("format_description");
// if a format id or description was found, then save this format!
if (formatTypeID >= 0 || (formatDesc != null && formatDesc.length() > 0)) {
// save this specified format
int status = processSaveFileFormat(context, request, response, subInfo);
// if error occurred, return immediately
if (status != STATUS_COMPLETE) {
return status;
}
}
// ---------------------------------------------------
// Step #5: Check if primary bitstream has changed
// -------------------------------------------------
if (request.getParameter("primary_bitstream_id") != null) {
Bundle[] bundles = item.getBundles("ORIGINAL");
if (bundles.length > 0) {
bundles[0].setPrimaryBitstreamID(
Integer.valueOf(request.getParameter("primary_bitstream_id")).intValue());
bundles[0].update();
}
}
// ---------------------------------------------------
// Step #6: Determine if there is an error because no
// files have been uploaded.
// ---------------------------------------------------
// check if a file is required to be uploaded
if (fileRequired && !item.hasUploadedFiles()) {
return STATUS_NO_FILES_ERROR;
}
// commit all changes to database
context.commit();
return STATUS_COMPLETE;
}
