@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);
}
}
