// Catch authorization failures accessing license bitstreams
// only if we are skipping unauthorized bitstreams.
String licenseID = null;
try
{
AmdSec amdSec = new AmdSec();
addRightsMd(context, item, amdSec);
if (amdSec.getContent().size() > 0)
{
licenseID = gensym("license");
amdSec.setID(licenseID);
mets.getContent().add(amdSec);
}
}
catch (AuthorizeException e)
{
String unauth = (params == null) ? null : params.getProperty("unauthorized");
if (!(unauth != null && unauth.equalsIgnoreCase("skip")))
throw e;
else
log.warn("Skipping license metadata because of access failure: "+e.toString());
}
// FIXME: History data???? Nooooo!!!!
// fileSec - all non-metadata bundles go into fileGrp,
// and each bitstream therein into a file.
// Create the bitstream-level techMd and div's for structmap
// at the same time so we can connec the IDREFs to IDs.
FileSec fileSec = new FileSec();
String techMdType = getTechMdType(params);
String parts[] = techMdType.split(":", 2);
String xwalkName, metsName;
if (parts.length > 1)
{
metsName = parts[0];
xwalkName = parts[1];
}
else
xwalkName = metsName = techMdType;
DisseminationCrosswalk xwalk = (DisseminationCrosswalk)
PluginManager.getNamedPlugin(DisseminationCrosswalk.class, xwalkName);
if (xwalk == null)
throw new PackageValidationException("Cannot find "+xwalkName+" crosswalk plugin!");
// log the primary bitstream for structmap
String primaryBitstreamFileID = null;
// accumulate content DIV items to put in structMap later.
List contentDivs = new ArrayList();
// how to handle unauthorized bundle/bitstream:
String unauth = (params == null) ? null : params.getProperty("unauthorized");
Bundle[] bundles = item.getBundles();
for (int i = 0; i < bundles.length; i++)
{
if (PackageUtils.isMetaInfoBundle(bundles[i]))
continue;
// unauthorized bundle?
// NOTE: This must match the logic in disseminate()
if (!AuthorizeManager.authorizeActionBoolean(context,
bundles[i], Constants.READ))
{
if (unauth != null &&
(unauth.equalsIgnoreCase("skip")))
continue;
else
throw new AuthorizeException("Not authorized to read Bundle named \""+bundles[i].getName()+"\"");
}
Bitstream[] bitstreams = bundles[i].getBitstreams();
// Create a fileGrp
FileGrp fileGrp = new FileGrp();
// Bundle name for USE attribute
String bName = bundles[i].getName();
if ((bName != null) && !bName.equals(""))
fileGrp.setUSE(bundleToFileGrp(bName));
// watch for primary bitstream
int primaryBitstreamID = -1;
boolean isContentBundle = false;
if ((bName != null) && bName.equals("ORIGINAL"))
{
isContentBundle = true;
primaryBitstreamID = bundles[i].getPrimaryBitstreamID();
}
for (int bits = 0; bits < bitstreams.length; bits++)
{
// Check for authorization. Handle unauthorized
// bitstreams to match the logic in disseminate(),
// i.e. "unauth=zero" means include a 0-length bitstream,
// "unauth=skip" means to ignore it (and exclude from
// manifest).
boolean auth = AuthorizeManager.authorizeActionBoolean(context,
bitstreams[bits], Constants.READ);
if (!auth)
{
if (unauth != null && unauth.equalsIgnoreCase("skip"))
continue;
else if (!(unauth != null && unauth.equalsIgnoreCase("zero")))
throw new AuthorizeException("Not authorized to read Bitstream, SID="+String.valueOf(bitstreams[bits].getSequenceID()));
}
String sid = String.valueOf(bitstreams[bits].getSequenceID());
edu.harvard.hul.ois.mets.File file = new edu.harvard.hul.ois.mets.File();
String xmlIDstart = "bitstream_";
String fileID = xmlIDstart + sid;
file.setID(fileID);
// log primary bitstream for later (structMap)
if (bitstreams[bits].getID() == primaryBitstreamID)
primaryBitstreamFileID = fileID;
// if this is content, add to structmap too:
if (isContentBundle)
{
Div div = new Div();
div.setID(gensym("div"));
div.setTYPE("DSpace Content Bitstream");
Fptr fptr = new Fptr();
fptr.setFILEID(fileID);
div.getContent().add(fptr);
contentDivs.add(div);
}
file.setSEQ(bitstreams[bits].getSequenceID());
String groupID = "GROUP_" + xmlIDstart + sid;
/*
* If we're in THUMBNAIL or TEXT bundles, the bitstream is
* extracted text or a thumbnail, so we use the name to work
* out which bitstream to be in the same group as
*/
if ((bundles[i].getName() != null)
&& (bundles[i].getName().equals("THUMBNAIL") ||
bundles[i].getName().startsWith("TEXT")))
{
// Try and find the original bitstream, and chuck the
// derived bitstream in the same group
Bitstream original = findOriginalBitstream(item,
bitstreams[bits]);
if (original != null)
{
groupID = "GROUP_" + xmlIDstart
+ original.getSequenceID();
}
}
file.setGROUPID(groupID);
file.setMIMETYPE(bitstreams[bits].getFormat().getMIMEType());
// FIXME: CREATED: no date
file.setSIZE(auth ? bitstreams[bits].getSize() : 0);
// translate checksum and type to METS, if available.
String csType = bitstreams[bits].getChecksumAlgorithm();
String cs = bitstreams[bits].getChecksum();
if (auth && cs != null && csType != null)
{
try
{
file.setCHECKSUMTYPE(Checksumtype.parse(csType));
file.setCHECKSUM(cs);
}
catch (MetsException e)
{
log.warn("Cannot set bitstream checksum type="+csType+" in METS.");
}
}
// FLocat: filename is MD5 checksum
FLocat flocat = new FLocat();
flocat.setLOCTYPE(Loctype.URL);
flocat.setXlinkHref(makeBitstreamName(bitstreams[bits]));
// Make bitstream techMD metadata, add to file.
String techID = "techMd_for_bitstream_"+bitstreams[bits].getSequenceID();
AmdSec fAmdSec = new AmdSec();
fAmdSec.setID(techID);
TechMD techMd = new TechMD();
techMd.setID(gensym("tech"));
MdWrap mdWrap = new MdWrap();
setMdType(mdWrap, metsName);
XmlData xmlData = new XmlData();
mdWrap.getContent().add(xmlData);
techMd.getContent().add(mdWrap);
fAmdSec.getContent().add(techMd);
mets.getContent().add(fAmdSec);
crosswalkToMets(xwalk, bitstreams[bits], xmlData);
file.setADMID(techID);
// Add FLocat to File, and File to FileGrp