/**
* Get escidoc XML representation of ContentRelations md-records.
*
* @param id objid of ContentRelation resource
* @param name name of a md-record
* @return escidoc XML representation of ContentRelation
* @throws ContentRelationNotFoundException Thrown if under provided id no ContentRelation could
* be found
* @throws MdRecordNotFoundException e
* @throws SystemException Thrown if internal error occurs.
*/
@Override
public String retrieveMdRecord(final String id, final String name)
throws ContentRelationNotFoundException, MdRecordNotFoundException, SystemException {
final ContentRelationCreate cr = setContentRelation(id);
enrichWithMetadataContent(cr);
final List<MdRecordCreate> mdRecords = cr.getMetadataRecords();
if (mdRecords != null) {
for (final MdRecordCreate mr : mdRecords) {
if (mr.getName().equals(name)) {
return this.contentRelationXmlProvider.getContentRelationMdRecord(cr, mr);
}
}
}
throw new MdRecordNotFoundException("The md-record with name=" + name + " does not exist.");
}
/**
* Enrich all meta data records with the (blob) content from repository.
*
* @param cr ContentRelation
* @throws WebserverSystemException Thrown if access to repository (Feodra) failed.
*/
private static void enrichWithMetadataContent(final ContentRelationCreate cr) {
final List<MdRecordCreate> mdRecords = cr.getMetadataRecords();
if (mdRecords != null) {
for (final MdRecordCreate mdRecord : mdRecords) {
if (mdRecord.getContent() == null) {
final Datastream ds =
new Datastream(
mdRecord.getName(),
cr.getObjid(),
cr.getProperties().getVersionDate(),
mdRecord.getMimeType(),
mdRecord.getDatastreamLocation(),
mdRecord.getControlGroup());
mdRecord.setContent(new String(ds.getStream(), Charset.forName("UTF-8")));
}
}
}
}
/**
* @param cr ContentRelation
* @throws FedoraSystemException Thrown if access to Fedora failed.
* @throws IntegritySystemException Thrown if data integrity is violated.
*/
private void setMetadata(final ContentRelationCreate cr) throws IntegritySystemException {
final DatastreamProfilesTO dsProfiles =
getFedoraServiceClient().getDatastreamProfiles(cr.getObjid(), null);
for (final DatastreamProfileTO datastreamProfileTO : dsProfiles.getDatastreamProfile()) {
if (datastreamProfileTO.getDsAltID().contains(Datastream.METADATA_ALTERNATE_ID)
&& !DatastreamState.D.value().equals(datastreamProfileTO.getDsState())) {
final MdRecordCreate mdRecord = new MdRecordCreate();
try {
mdRecord.setName(datastreamProfileTO.getDsID());
cr.addMdRecord(mdRecord);
} catch (final InvalidContentException e) {
throw new IntegritySystemException(e);
}
mdRecord.setLabel(datastreamProfileTO.getDsLabel());
mdRecord.setChecksum(datastreamProfileTO.getDsChecksum());
mdRecord.setMimeType(datastreamProfileTO.getDsMIME());
mdRecord.setControlGroup(datastreamProfileTO.getDsControlGroup());
mdRecord.setDatastreamLocation(datastreamProfileTO.getDsLocation());
mdRecord.getRepositoryIndicator().setResourceIsNew(false);
if (ChecksumType.DISABLED.toString().equals(datastreamProfileTO.getDsChecksumType())
|| "none".equals(datastreamProfileTO.getDsChecksumType())) {
mdRecord.setChecksumEnabled(false);
} else {
mdRecord.setChecksumEnabled(true);
}
// alternate ids
if (datastreamProfileTO.getDsAltID().size() > 1) {
mdRecord.setType(datastreamProfileTO.getDsAltID().get(1));
if (datastreamProfileTO.getDsAltID().size() > 2) {
mdRecord.setSchema(datastreamProfileTO.getDsAltID().get(2));
}
} else if (datastreamProfileTO.getDsAltID().size() <= 3) {
LOGGER.warn("Expected 3 entries in datastream profile alternative IDs.");
}
}
}
}
