private void populateEntry(Context context, Entry entry, Bitstream bitstream)
throws DSpaceSwordException {
BitstreamFormat format = bitstream.getFormat();
String contentType = null;
if (format != null) {
contentType = format.getMIMEType();
}
SwordUrlManager urlManager = new SwordUrlManager(new SwordConfigurationDSpace(), context);
String bsUrl = urlManager.getBitstreamUrl(bitstream);
entry.setId(bsUrl);
entry.setTitle(bitstream.getName());
String desc = bitstream.getDescription();
if ("".equals(desc) || desc == null) {
desc = bitstream.getName();
}
entry.setSummary(desc);
entry.setUpdated(new Date()); // required, though content is spurious
// add an edit-media link for the bitstream ...
Abdera abdera = new Abdera();
Link link = abdera.getFactory().newLink();
link.setHref(urlManager.getActionableBitstreamUrl(bitstream));
link.setMimeType(contentType);
link.setRel("edit-media");
entry.addLink(link);
// set the content of the bitstream
entry.setContent(new IRI(bsUrl), contentType);
}
private void addAtomManagedDatastream(Feed feed, String contentLocation) throws Exception {
String dsId = "DS";
Entry dsEntry = feed.addEntry();
dsEntry.setId(feed.getId().toString() + "/" + dsId);
Entry dsvEntry = feed.addEntry();
dsvEntry.setId(dsEntry.getId().toString() + "/" + feed.getUpdatedString());
dsEntry.setTitle(feed.getTitle());
dsEntry.setUpdated(feed.getUpdated());
dsEntry.addLink(dsvEntry.getId().toString(), Link.REL_ALTERNATE);
dsEntry.addCategory(MODEL.STATE.uri, "A", null);
dsEntry.addCategory(MODEL.CONTROL_GROUP.uri, "M", null);
dsEntry.addCategory(MODEL.VERSIONABLE.uri, "true", null);
dsvEntry.setTitle(feed.getTitle());
dsvEntry.setUpdated(feed.getUpdated());
ThreadHelper.addInReplyTo(dsvEntry, dsEntry.getId());
dsvEntry.setSummary("summary");
dsvEntry.setContent(new IRI(contentLocation), "text/plain");
}
private void setLinkForTask(Task t, String ticket, RequestContext context, Entry e, String user)
throws Exception {
Factory factory = context.getAbdera().getFactory();
Link link = factory.newLink();
String formLink = URIUtils.getFormURLForTask(_manager, t, ticket, user);
// if the URL of the form manager are relative URLs, we want to have a proper link back to the
// machine.
// localhost won't work for most RSS readers, so using loopback ip address in this very specific
// case
if (!formLink.toLowerCase().startsWith("http")) { // relative URL
IRI baseUri = context.getBaseUri();
String host = baseUri.getHost();
host = host.equals("localhost") ? "127.0.0.1" : host;
String base = baseUri.getScheme() + "//" + host + ":" + baseUri.getPort();
link.setBaseUri(base);
} else {
link.setBaseUri(StringUtils.EMPTY);
}
link.setHref(formLink);
link.setTitle("Link to " + t.getDescription());
link.setText("Link to " + t.getDescription());
e.addLink(link);
}
public static Entry toPackageEntryAbdera(ModuleItem p, UriInfo uriInfo) {
URI baseURL;
if (p.isHistoricalVersion()) {
baseURL =
uriInfo
.getBaseUriBuilder()
.path("packages/{packageName}/versions/{version}")
.build(p.getName(), Long.toString(p.getVersionNumber()));
} else {
baseURL = uriInfo.getBaseUriBuilder().path("packages/{packageName}").build(p.getName());
}
Factory factory = Abdera.getNewFactory();
org.apache.abdera.model.Entry e = factory.getAbdera().newEntry();
e.setTitle(p.getTitle());
e.setSummary(p.getDescription());
e.setPublished(new Date(p.getLastModified().getTimeInMillis()));
e.setBaseUri(baseURL.toString());
e.addAuthor(p.getLastContributor());
e.setId(baseURL.toString());
Iterator<AssetItem> i = p.getAssets();
while (i.hasNext()) {
AssetItem item = i.next();
org.apache.abdera.model.Link l = factory.newLink();
l.setHref(
UriBuilder.fromUri(baseURL).path("assets/{assetName}").build(item.getName()).toString());
l.setTitle(item.getTitle());
l.setRel("asset");
e.addLink(l);
}
// generate meta data
ExtensibleElement extension = e.addExtension(METADATA);
ExtensibleElement childExtension = extension.addExtension(ARCHIVED);
// childExtension.setAttributeValue("type", ArtifactsRepository.METADATA_TYPE_STRING);
childExtension.addSimpleExtension(VALUE, p.isArchived() ? "true" : "false");
childExtension = extension.addExtension(UUID);
childExtension.addSimpleExtension(VALUE, p.getUUID());
childExtension = extension.addExtension(STATE);
childExtension.addSimpleExtension(VALUE, p.getState() == null ? "" : p.getState().getName());
childExtension = extension.addExtension(VERSION_NUMBER);
childExtension.addSimpleExtension(VALUE, String.valueOf(p.getVersionNumber()));
childExtension = extension.addExtension(CHECKIN_COMMENT);
childExtension.addSimpleExtension(VALUE, p.getCheckinComment());
org.apache.abdera.model.Content content = factory.newContent();
content.setSrc(UriBuilder.fromUri(baseURL).path("binary").build().toString());
content.setMimeType("application/octet-stream");
content.setContentType(Type.MEDIA);
e.setContentElement(content);
return e;
}
public static void main(String[] args) throws Exception {
Abdera abdera = new Abdera();
AbderaClient abderaClient = new AbderaClient(abdera);
Factory factory = abdera.getFactory();
// Perform introspection. This is an optional step. If you already
// know the URI of the APP collection to POST to, you can skip it.
Document<Service> introspection =
abderaClient.get("http://localhost:9080/EmployeeService/").getDocument();
Service service = introspection.getRoot();
Collection collection =
service.getCollection("Employee Directory Workspace", "itc Employee Database");
report("The Collection Element", collection.toString());
// Create the entry to post to the collection
Entry entry = factory.newEntry();
entry.setId("tag:example.org,2006:foo");
entry.setTitle("This is the title");
entry.setUpdated(new AtomDate().getValue());
entry.setPublished(new AtomDate().getValue());
entry.addLink("/employee");
entry.addAuthor("James");
entry.setContent("This is the content");
report("The Entry to Post", entry.toString());
// Post the entry. Be sure to grab the resolved HREF of the collection
Document<Entry> doc =
abderaClient.post(collection.getResolvedHref().toString(), entry).getDocument();
// In some implementations (such as Google's GData API, the entry URI is
// distinct from it's edit URI. To be safe, we should assume it may be
// different
IRI entryUri = doc.getBaseUri();
report("The Created Entry", doc.getRoot().toString());
// Grab the Edit URI from the entry. The entry MAY have more than one
// edit link. We need to make sure we grab the right one.
IRI editUri = getEditUri(doc.getRoot());
// If there is an Edit Link, we can edit the entry
if (editUri != null) {
// Before we can edit, we need to grab an "editable" representation
doc = abderaClient.get(editUri.toString()).getDocument();
// Change whatever you want in the retrieved entry
// doc.getRoot().getTitleElement().setValue("This is the changed title");
// Put it back to the server
abderaClient.put(editUri.toString(), doc.getRoot());
// This is just to show that the entry has been modified
doc = abderaClient.get(entryUri.toString()).getDocument();
report("The Modified Entry", doc.getRoot().toString());
} else {
// Otherwise, the entry cannot be modified (no suitable edit link was found)
report("The Entry cannot be modified", null);
}
// Delete the entry. Again, we need to make sure that we have the current
// edit link for the entry
doc = abderaClient.get(entryUri.toString()).getDocument();
editUri = getEditUri(doc.getRoot());
if (editUri != null) {
abderaClient.delete(editUri.toString());
report("The Enry has been deleted", null);
} else {
report("The Entry cannot be deleted", null);
}
}
@Override
public AdapterResponse<Entry> postEntry(PostEntryRequest postEntryRequest) {
final Entry abderaParsedEntry = postEntryRequest.getEntry();
final PersistedEntry persistedEntry = new PersistedEntry();
// Update our category indicies
final Set<PersistedCategory> entryCategories =
feedRepository.updateCategories(processCategories(abderaParsedEntry.getCategories()));
persistedEntry.setCategories(entryCategories);
boolean entryIdSent = abderaParsedEntry.getId() != null;
// Generate an ID for this entry
if (allowOverrideId
&& entryIdSent
&& StringUtils.isNotBlank(abderaParsedEntry.getId().toString().trim())) {
String entryId = abderaParsedEntry.getId().toString();
// Check to see if entry with this id already exists
PersistedEntry exists = feedRepository.getEntry(entryId, postEntryRequest.getFeedName());
if (exists != null) {
String errMsg =
String.format("Unable to persist entry. Reason: entryId (%s) not unique.", entryId);
throw new PublicationException(errMsg);
}
persistedEntry.setEntryId(abderaParsedEntry.getId().toString());
} else {
persistedEntry.setEntryId(UUID_URI_SCHEME + UUID.randomUUID().toString());
abderaParsedEntry.setId(persistedEntry.getEntryId());
}
if (allowOverrideDate) {
Date updated = abderaParsedEntry.getUpdated();
if (updated != null) {
persistedEntry.setDateLastUpdated(updated);
persistedEntry.setCreationDate(updated);
}
}
if (abderaParsedEntry.getSelfLink() == null) {
abderaParsedEntry
.addLink(
decode(
postEntryRequest.urlFor(
new EnumKeyedTemplateParameters<URITemplate>(URITemplate.FEED)))
+ "entries/"
+ persistedEntry.getEntryId())
.setRel(LINKREL_SELF);
}
final PersistedFeed feedRef =
new PersistedFeed(
postEntryRequest.getFeedName(), UUID_URI_SCHEME + UUID.randomUUID().toString());
persistedEntry.setFeed(feedRef);
persistedEntry.setEntryBody(entryToString(abderaParsedEntry));
abderaParsedEntry.setUpdated(persistedEntry.getDateLastUpdated());
feedRepository.saveEntry(persistedEntry);
return ResponseBuilder.created(abderaParsedEntry);
}
