/**
* addLink
*
* <p>Create a link between two items
*
* <pre>
* Version Date Developer Description
* 0.1 26/04/2012 Genevieve Turner (GT) Initial
* 0.19 27/09/2012 Genevieve Turner (GT) Updated to generate reverse links
* </pre>
*
* @param fedoraObject The item to transform to a display
* @param form Contains the parameters from the request
* @return A response for the web page
* @throws FedoraClientException
*/
@Override
public void addLink(FedoraObject fedoraObject, String linkType, String itemId)
throws FedoraClientException {
String link = GlobalProps.getProperty(GlobalProps.PROP_FEDORA_RELATEDURI);
LinkTypeDAO linkTypeDAO = new LinkTypeDAOImpl();
LinkType linkTypeRecord = linkTypeDAO.getByCode(linkType);
if (null == linkTypeRecord) {
throw new WebApplicationException(
Response.status(400).entity("Invalid relation type").build());
}
FedoraReference reference = new FedoraReference();
String referenceType = linkType;
String referenceItem = itemId;
reference.setPredicate_(link + referenceType);
reference.setObject_(referenceItem);
reference.setIsLiteral_(Boolean.FALSE);
FedoraBroker.addRelationship(fedoraObject.getObject_id(), reference);
if (referenceItem.startsWith("info:fedora/")) {
String referenceItemID = referenceItem.substring(12);
FedoraReference reverseReference = new FedoraReference();
reverseReference.setPredicate_(link + linkTypeRecord.getReverse());
reverseReference.setObject_("info:fedora/" + fedoraObject.getObject_id());
reverseReference.setIsLiteral_(Boolean.FALSE);
FedoraBroker.addRelationship(referenceItemID, reverseReference);
}
}
/**
* delete
*
* <p>Set the status of the given object to deleted
*
* @param fedoraObject The fedora object
* @throws FedoraClientException
*/
public void delete(FedoraObject fedoraObject) throws FedoraClientException {
FedoraBroker.updateObjectState(fedoraObject.getObject_id(), "D");
// Add this as a work around for the fact that commitWithin does not seem to work for
// the Solr XML delete so we want to commit after delete
SolrServer solrServer = SolrManager.getInstance().getSolrServer();
try {
solrServer.deleteById(fedoraObject.getObject_id(), 5000);
} catch (IOException e) {
LOGGER.debug("Exception committing delete", e);
} catch (SolrServerException e) {
LOGGER.debug("Exception committing delete", e);
}
}
@Override
public void generateDoi(String pid, String tmplt, Long rid) throws FedoraObjectException {
InputStream datastream = null;
try {
Unmarshaller um = dataContext.createUnmarshaller();
datastream = FedoraBroker.getDatastreamAsStream(pid, Constants.XML_SOURCE);
Data itemData = (Data) um.unmarshal(datastream);
// Check if it's a collection.
String type = itemData.getFirstElementByName("type").getValue();
if (!type.equalsIgnoreCase("collection"))
throw new FedoraObjectException(
"Item is not of type 'collection'. Digital Object Identifiers can only be minted for collections.");
// Check if a DOI already exists.
if (itemData.getFirstElementByName("doi") != null) {
throw new FedoraObjectException("Collection already has a Digital Object Identifier.");
}
// TODO Change the following code as required for checking if the item's published or not.
// List<DatastreamType> datastreams = FedoraBroker.getDatastreamList(pid);
// for (DatastreamType iDs : datastreams)
// {
// if (iDs.getDsid().equals(Constants.XML_PUBLISHED))
// {
// throw new FedoraObjectException("Item's already published.");
// }
// }
org.datacite.schema.kernel_2.Resource doiResource =
new DoiResourceAdapter(itemData).createDoiResource();
DoiClient doiClient = new DoiClient();
doiClient.mint(pid, doiResource);
String mintedDoi = doiClient.getDoiResponse().getDoi();
FedoraObject fedoraObject = getItemByPid(pid);
Map<String, List<String>> form = new HashMap<String, List<String>>();
form.put("doi", Arrays.asList(mintedDoi));
saveEdit(fedoraObject, tmplt, form, rid);
} catch (FedoraClientException e) {
throw new FedoraObjectException(e.getMessage(), e);
} catch (JAXBException e) {
throw new FedoraObjectException(e.getMessage(), e);
} catch (DoiException e) {
throw new FedoraObjectException(e.getMessage(), e);
} finally {
IOUtils.closeQuietly(datastream);
}
}
