@GET
@Path("/{bitstream_id}")
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public Bitstream getBitstream(
@PathParam("bitstream_id") Integer bitstream_id, @QueryParam("expand") String expand) {
org.dspace.core.Context context = null;
try {
context = new org.dspace.core.Context();
org.dspace.content.Bitstream bitstream =
org.dspace.content.Bitstream.find(context, bitstream_id);
if (AuthorizeManager.authorizeActionBoolean(
context, bitstream, org.dspace.core.Constants.READ)) {
return new org.dspace.rest.common.Bitstream(bitstream, expand);
} else {
throw new WebApplicationException(Response.Status.UNAUTHORIZED);
}
} catch (SQLException e) {
log.error(e.getMessage());
throw new WebApplicationException(Response.Status.INTERNAL_SERVER_ERROR);
} finally {
if (context != null) {
try {
context.complete();
} catch (SQLException e) {
log.error(e.getMessage() + " occurred while trying to close");
}
}
}
}
/**
* Remove a file from an item
*
* @param context current DSpace context
* @param item Item where file should be removed from
* @param bitstreamID The id of bitstream representing the file to remove
* @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 processRemoveFile(Context context, Item item, int bitstreamID)
throws IOException, SQLException, AuthorizeException {
Bitstream bitstream;
// Try to find bitstream
try {
bitstream = Bitstream.find(context, bitstreamID);
} catch (NumberFormatException nfe) {
bitstream = null;
}
if (bitstream == null) {
// Invalid or mangled bitstream ID
// throw an error and return immediately
return STATUS_INTEGRITY_ERROR;
}
// remove bitstream from bundle..
// delete bundle if it's now empty
Bundle[] bundles = bitstream.getBundles();
bundles[0].removeBitstream(bitstream);
Bitstream[] bitstreams = bundles[0].getBitstreams();
// remove bundle if it's now empty
if (bitstreams.length < 1) {
item.removeBundle(bundles[0]);
item.update();
}
// no errors occurred
return STATUS_COMPLETE;
}
/**
* Delete bitstream from item
*
* @param context
* @param ItemArchive
* @param isTest
* @param suppressUndo
* @throws IllegalArgumentException
* @throws ParseException
* @throws IOException
* @throws AuthorizeException
* @throws SQLException
*/
public void execute(Context context, ItemArchive itarch, boolean isTest, boolean suppressUndo)
throws IllegalArgumentException, IOException, SQLException, AuthorizeException,
ParseException {
File f = new File(itarch.getDirectory(), ItemUpdate.DELETE_CONTENTS_FILE);
if (!f.exists()) {
ItemUpdate.pr(
"Warning: Delete_contents file for item " + itarch.getDirectoryName() + " not found.");
} else {
List<Integer> list = MetadataUtilities.readDeleteContentsFile(f);
if (list.isEmpty()) {
ItemUpdate.pr("Warning: empty delete_contents file for item " + itarch.getDirectoryName());
} else {
for (int id : list) {
try {
Bitstream bs = Bitstream.find(context, id);
if (bs == null) {
ItemUpdate.pr("Bitstream not found by id: " + id);
} else {
Bundle[] bundles = bs.getBundles();
for (Bundle b : bundles) {
if (isTest) {
ItemUpdate.pr("Delete bitstream with id = " + id);
} else {
b.removeBitstream(bs);
ItemUpdate.pr("Deleted bitstream with id = " + id);
}
}
if (alterProvenance) {
DtoMetadata dtom = DtoMetadata.create("dc.description.provenance", "en", "");
String append =
"Bitstream " + bs.getName() + " deleted on " + DCDate.getCurrent() + "; ";
Item item = bundles[0].getItems()[0];
ItemUpdate.pr("Append provenance with: " + append);
if (!isTest) {
MetadataUtilities.appendMetadata(item, dtom, false, append);
}
}
}
} catch (SQLException e) {
ItemUpdate.pr("Error finding bitstream from id: " + id + " : " + e.toString());
}
}
}
}
}
@GET
@Path("/{bitstream_id}/retrieve")
public javax.ws.rs.core.Response getFile(
@PathParam("bitstream_id") final Integer bitstream_id,
@QueryParam("userIP") String user_ip,
@QueryParam("userAgent") String user_agent,
@QueryParam("xforwarderfor") String xforwarderfor,
@Context HttpHeaders headers,
@Context HttpServletRequest request) {
org.dspace.core.Context context = null;
try {
context = new org.dspace.core.Context();
org.dspace.content.Bitstream bitstream =
org.dspace.content.Bitstream.find(context, bitstream_id);
if (AuthorizeManager.authorizeActionBoolean(
context, bitstream, org.dspace.core.Constants.READ)) {
if (writeStatistics) {
writeStats(context, bitstream_id, user_ip, user_agent, xforwarderfor, headers, request);
}
return Response.ok(bitstream.retrieve()).type(bitstream.getFormat().getMIMEType()).build();
} else {
throw new WebApplicationException(Response.Status.UNAUTHORIZED);
}
} catch (IOException e) {
log.error(e.getMessage());
throw new WebApplicationException(Response.Status.INTERNAL_SERVER_ERROR);
} catch (SQLException e) {
log.error(e.getMessage());
throw new WebApplicationException(Response.Status.INTERNAL_SERVER_ERROR);
} catch (AuthorizeException e) {
log.error(e.getMessage());
throw new WebApplicationException(Response.Status.UNAUTHORIZED);
} finally {
if (context != null) {
try {
context.complete();
} catch (SQLException e) {
log.error(e.getMessage() + " occurred while trying to close");
}
}
}
}
public Map act(
Redirector redirector,
SourceResolver resolver,
Map objectModel,
String source,
Parameters parameters)
throws Exception {
Request request = ObjectModelHelper.getRequest(objectModel);
String requesterName = request.getParameter("requesterName");
String requesterEmail = request.getParameter("requesterEmail");
String allFiles = request.getParameter("allFiles");
String message = request.getParameter("message");
String bitstreamId = request.getParameter("bitstreamId");
// User email from context
Context context = ContextUtil.obtainContext(objectModel);
EPerson loggedin = context.getCurrentUser();
String eperson = null;
if (loggedin != null) {
eperson = loggedin.getEmail();
}
// Check all data is there
if (StringUtils.isEmpty(requesterName)
|| StringUtils.isEmpty(requesterEmail)
|| StringUtils.isEmpty(allFiles)
|| StringUtils.isEmpty(message)) {
// Either the user did not fill out the form or this is the
// first time they are visiting the page.
Map<String, String> map = new HashMap<String, String>();
map.put("bitstreamId", bitstreamId);
if (StringUtils.isEmpty(requesterEmail)) {
map.put("requesterEmail", eperson);
} else {
map.put("requesterEmail", requesterEmail);
}
map.put("requesterName", requesterName);
map.put("allFiles", allFiles);
map.put("message", message);
return map;
}
DSpaceObject dso = HandleUtil.obtainHandle(objectModel);
if (!(dso instanceof Item)) {
throw new Exception("Invalid DspaceObject at ItemRequest.");
}
Item item = (Item) dso;
String title = "";
Metadatum[] titleDC = item.getDC("title", null, Item.ANY);
if (titleDC == null || titleDC.length == 0) {
titleDC = item.getDC("title", Item.ANY, Item.ANY); // dc.title with qualifier term
}
if (titleDC != null && titleDC.length > 0) {
title = titleDC[0].value;
}
RequestItemAuthor requestItemAuthor =
new DSpace()
.getServiceManager()
.getServiceByName(
RequestItemAuthorExtractor.class.getName(), RequestItemAuthorExtractor.class)
.getRequestItemAuthor(context, item);
RequestItem requestItem =
new RequestItem(
item.getID(),
Integer.parseInt(bitstreamId),
requesterEmail,
requesterName,
message,
Boolean.getBoolean(allFiles));
// All data is there, send the email
Email email =
Email.getEmail(
I18nUtil.getEmailFilename(context.getCurrentLocale(), "request_item.author"));
email.addRecipient(requestItemAuthor.getEmail());
email.addArgument(requesterName);
email.addArgument(requesterEmail);
email.addArgument(
allFiles.equals("true")
? I18nUtil.getMessage("itemRequest.all")
: Bitstream.find(context, Integer.parseInt(bitstreamId)).getName());
email.addArgument(HandleManager.getCanonicalForm(item.getHandle()));
email.addArgument(title); // request item title
email.addArgument(message); // message
email.addArgument(getLinkTokenEmail(context, requestItem));
email.addArgument(requestItemAuthor.getFullName()); // corresponding author name
email.addArgument(requestItemAuthor.getEmail()); // corresponding author email
email.addArgument(ConfigurationManager.getProperty("dspace.name"));
email.addArgument(ConfigurationManager.getProperty("mail.helpdesk"));
email.setReplyTo(requesterEmail);
email.send();
// Finished, allow to pass.
return null;
}
/**
* 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;
}
