@Override
public ArrayList<String> getIdentifiers(Context context, T dso) {
ArrayList<String> identifiers = new ArrayList<>();
IdentifierService identifierService = new DSpace().getSingletonService(IdentifierService.class);
if (identifierService != null) {
identifiers.addAll(identifierService.lookup(context, dso));
} else {
log.warn("No IdentifierService found, will return an list containing " + "the Handle only.");
if (dso.getHandle() != null) {
identifiers.add(handleService.getCanonicalForm(dso.getHandle()));
}
}
if (log.isDebugEnabled()) {
StringBuilder dbgMsg = new StringBuilder();
for (String id : identifiers) {
if (dbgMsg.capacity() == 0) {
dbgMsg.append("This DSO's Identifiers are: ");
} else {
dbgMsg.append(", ");
}
dbgMsg.append(id);
}
dbgMsg.append(".");
log.debug(dbgMsg.toString());
}
return identifiers;
}
protected DSpaceObject resolveHandle(String handle) {
DSpaceObject dso = null;
try {
dso = handleService.resolveToObject(this.context, handle);
} catch (SQLException ex) {
log.error(ex);
System.err.println(
"A problem with the database connection " + "occurred. Canceled pending actions.");
System.err.println(ex.getMessage());
ex.printStackTrace(System.err);
System.exit(1);
} catch (IllegalStateException ex) {
log.error(ex);
System.err.println("Cannot recognize identifier '" + handle + "', skipping.");
return null;
}
if (dso == null) {
System.err.println("Cannot resolve identifier '" + handle + "', skipping.");
log.debug("Couldn't resolve identifier '" + handle + "', dso was null.");
return null;
}
if (dso.getType() != Constants.SITE
&& dso.getType() != Constants.COMMUNITY
&& dso.getType() != Constants.COLLECTION
&& dso.getType() != Constants.ITEM) {
System.err.println(
contentServiceFactory.getDSpaceObjectService(dso).getTypeText(dso)
+ " are currently not "
+ "supported as independent entities. Bundles and Bitstreams "
+ "should be processed as part of their item.");
return null;
}
return dso;
}
/**
* Internal method to remove the community and all its children from the database, and perform any
* pre/post-cleanup
*
* @throws SQLException
* @throws AuthorizeException
* @throws IOException
*/
protected void rawDelete(Context context, Community community)
throws SQLException, AuthorizeException, IOException {
log.info(
LogManager.getHeader(context, "delete_community", "community_id=" + community.getID()));
context.addEvent(
new Event(
Event.DELETE,
Constants.COMMUNITY,
community.getID(),
community.getHandle(),
getIdentifiers(context, community)));
// Remove collections
Iterator<Collection> collections = community.getCollections().iterator();
while (collections.hasNext()) {
Collection collection = collections.next();
collections.remove();
removeCollection(context, community, collection);
}
// delete subcommunities
Iterator<Community> subCommunities = community.getSubcommunities().iterator();
while (subCommunities.hasNext()) {
Community subComm = subCommunities.next();
subCommunities.remove();
delete(context, subComm);
}
// Remove the logo
setLogo(context, community, null);
// Remove all authorization policies
authorizeService.removeAllPolicies(context, community);
// Remove any Handle
handleService.unbindHandle(context, community);
deleteMetadata(context, community);
Group g = community.getAdministrators();
// Delete community row
communityDAO.delete(context, community);
// Remove administrators group - must happen after deleting community
if (g != null) {
groupService.delete(context, g);
}
}
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// we expect a path in the form /resource/<prefix>/<suffix>.
String pathInfo = request.getPathInfo();
log.debug("Pathinfo: " + pathInfo);
if (StringUtils.isEmpty(pathInfo) || StringUtils.countMatches(pathInfo, "/") < 2) {
log.debug("Path does not contain the expected number of slashes.");
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
// remove trailing slash of the path info and split it.
String[] path = request.getPathInfo().substring(1).split("/");
String handle = path[0] + "/" + path[1];
String dspaceURL = (new DSpace()).getConfigurationService().getProperty("dspace.url");
// Prepare content negotiation
int requestedMimeType = Negotiator.negotiate(request.getHeader(ACCEPT_HEADER_NAME));
Context context = null;
DSpaceObject dso = null;
try {
context = new Context(Context.READ_ONLY);
dso = handleService.resolveToObject(context, handle);
} catch (SQLException ex) {
log.error("SQLException: " + ex.getMessage(), ex);
context.abort();
// probably a problem with the db connection => send Service Unavailable
response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
return;
} catch (IllegalStateException ex) {
log.error(
"Cannot resolve handle " + handle + ". IllegalStateException:" + ex.getMessage(), ex);
context.abort();
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
return;
}
if (dso == null) {
log.info("Cannot resolve handle '" + handle + "' to dso. => 404");
context.abort();
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
// close the context and send forward.
context.abort();
Negotiator.sendRedirect(response, handle, "", requestedMimeType, true);
}
/**
* notify the submitter that the item is archived
*
* @param context The relevant DSpace Context.
* @param item which item was archived
* @param coll collection name to display in template
* @throws SQLException An exception that provides information on a database access error or other
* errors.
* @throws IOException A general class of exceptions produced by failed or interrupted I/O
* operations.
*/
protected void notifyOfArchive(Context context, Item item, Collection coll)
throws SQLException, IOException {
try {
// Get submitter
EPerson ep = item.getSubmitter();
// Get the Locale
Locale supportedLocale = I18nUtil.getEPersonLocale(ep);
Email email = Email.getEmail(I18nUtil.getEmailFilename(supportedLocale, "submit_archive"));
// Get the item handle to email to user
String handle = handleService.findHandle(context, item);
// Get title
List<MetadataValue> titles =
itemService.getMetadata(item, MetadataSchema.DC_SCHEMA, "title", null, Item.ANY);
String title = "";
try {
title = I18nUtil.getMessage("org.dspace.workflow.WorkflowManager.untitled");
} catch (MissingResourceException e) {
title = "Untitled";
}
if (titles.size() > 0) {
title = titles.iterator().next().getValue();
}
email.addRecipient(ep.getEmail());
email.addArgument(title);
email.addArgument(coll.getName());
email.addArgument(handleService.getCanonicalForm(handle));
email.send();
} catch (MessagingException e) {
log.warn(
LogManager.getHeader(
context, "notifyOfArchive", "cannot email user" + " item_id=" + item.getID()));
}
}
/** notify the submitter that the item is archived */
protected void notifyOfArchive(Context context, Item item, Collection coll)
throws SQLException, IOException {
try {
// Get submitter
EPerson ep = item.getSubmitter();
// Get the Locale
Locale supportedLocale = I18nUtil.getEPersonLocale(ep);
Email email = Email.getEmail(I18nUtil.getEmailFilename(supportedLocale, "submit_archive"));
// Get the item handle to email to user
String handle = handleService.findHandle(context, item);
// Get title
String title = item.getName();
if (StringUtils.isBlank(title)) {
try {
title = I18nUtil.getMessage("org.dspace.workflow.WorkflowManager.untitled");
} catch (MissingResourceException e) {
title = "Untitled";
}
}
email.addRecipient(ep.getEmail());
email.addArgument(title);
email.addArgument(coll.getName());
email.addArgument(handleService.getCanonicalForm(handle));
email.send();
} catch (MessagingException e) {
log.warn(
LogManager.getHeader(
context,
"notifyOfArchive",
"cannot email user; item_id=" + item.getID() + ": " + e.getMessage()));
}
}
@Override
public Community create(Community parent, Context context, String handle)
throws SQLException, AuthorizeException {
if (!(authorizeService.isAdmin(context)
|| (parent != null
&& authorizeService.authorizeActionBoolean(context, parent, Constants.ADD)))) {
throw new AuthorizeException("Only administrators can create communities");
}
Community newCommunity = communityDAO.create(context, new Community());
try {
if (handle == null) {
handleService.createHandle(context, newCommunity);
} else {
handleService.createHandle(context, newCommunity, handle);
}
} catch (IllegalStateException ie) {
// If an IllegalStateException is thrown, then an existing object is already using this handle
throw ie;
}
if (parent != null) {
parent.addSubCommunity(newCommunity);
newCommunity.addParentCommunity(parent);
}
// create the default authorization policy for communities
// of 'anonymous' READ
Group anonymousGroup = groupService.findByName(context, Group.ANONYMOUS);
authorizeService.createResourcePolicy(
context, newCommunity, anonymousGroup, null, Constants.READ, null);
communityDAO.save(context, newCommunity);
context.addEvent(
new Event(
Event.CREATE,
Constants.COMMUNITY,
newCommunity.getID(),
newCommunity.getHandle(),
getIdentifiers(context, newCommunity)));
// if creating a top-level Community, simulate an ADD event at the Site.
if (parent == null) {
context.addEvent(
new Event(
Event.ADD,
Constants.SITE,
siteService.findSite(context).getID(),
Constants.COMMUNITY,
newCommunity.getID(),
newCommunity.getHandle(),
getIdentifiers(context, newCommunity)));
}
log.info(
LogManager.getHeader(context, "create_community", "community_id=" + newCommunity.getID())
+ ",handle="
+ newCommunity.getHandle());
return newCommunity;
}
