/** * 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; }