e.setValue(value);
e.setName(name);
return e;
}
public static Metadata retrieveMetadata (Item item) {
Metadata metadata;
//DSpaceDatabaseItem dspaceItem = new DSpaceDatabaseItem(item);
// read all metadata into Metadata Object
metadata = new Metadata();
Metadatum[] vals = item.getMetadata(Item.ANY, Item.ANY, Item.ANY, Item.ANY);
for (Metadatum val : vals)
{
Element valueElem = null;
Element schema = getElement(metadata.getElement(), val.schema);
if (schema == null)
{
schema = create(val.schema);
metadata.getElement().add(schema);
}
valueElem = schema;
// Has element.. with XOAI one could have only schema and value
if (val.element != null && !val.element.equals(""))
{
Element element = getElement(schema.getElement(),
val.element);
if (element == null)
{
element = create(val.element);
schema.getElement().add(element);
}
valueElem = element;
// Qualified element?
if (val.qualifier != null && !val.qualifier.equals(""))
{
Element qualifier = getElement(element.getElement(),
val.qualifier);
if (qualifier == null)
{
qualifier = create(val.qualifier);
element.getElement().add(qualifier);
}
valueElem = qualifier;
}
}
// Language?
if (val.language != null && !val.language.equals(""))
{
Element language = getElement(valueElem.getElement(),
val.language);
if (language == null)
{
language = create(val.language);
valueElem.getElement().add(language);
}
valueElem = language;
}
else
{
Element language = getElement(valueElem.getElement(),
"none");
if (language == null)
{
language = create("none");
valueElem.getElement().add(language);
}
valueElem = language;
}
valueElem.getField().add(createValue("value", val.value));
if (val.authority != null) {
valueElem.getField().add(createValue("authority", val.authority));
if (val.confidence != Choices.CF_NOVALUE)
valueElem.getField().add(createValue("confidence", val.confidence + ""));
}
}
// Done! Metadata has been read!
// Now adding bitstream info
Element bundles = create("bundles");
metadata.getElement().add(bundles);
Bundle[] bs;
try
{
bs = item.getBundles();
for (Bundle b : bs)
{
Element bundle = create("bundle");
bundles.getElement().add(bundle);
bundle.getField()
.add(createValue("name", b.getName()));
Element bitstreams = create("bitstreams");
bundle.getElement().add(bitstreams);
Bitstream[] bits = b.getBitstreams();
for (Bitstream bit : bits)
{
Element bitstream = create("bitstream");
bitstreams.getElement().add(bitstream);
String url = "";
String bsName = bit.getName();
String sid = String.valueOf(bit.getSequenceID());
String baseUrl = ConfigurationManager.getProperty("oai",
"bitstream.baseUrl");
String handle = null;
// get handle of parent Item of this bitstream, if there
// is one:
Bundle[] bn = bit.getBundles();
if (bn.length > 0)
{
Item bi[] = bn[0].getItems();
if (bi.length > 0)
{
handle = bi[0].getHandle();
}
}
if (bsName == null)
{
String ext[] = bit.getFormat().getExtensions();
bsName = "bitstream_" + sid
+ (ext.length > 0 ? ext[0] : "");
}
if (handle != null && baseUrl != null)
{
url = baseUrl + "/bitstream/"
+ handle + "/"
+ sid + "/"
+ URLUtils.encode(bsName);
}
else
{
url = URLUtils.encode(bsName);
}
String cks = bit.getChecksum();
String cka = bit.getChecksumAlgorithm();
String oname = bit.getSource();
String name = bit.getName();
String description = bit.getDescription();
if (name != null)
bitstream.getField().add(
createValue("name", name));
if (oname != null)
bitstream.getField().add(
createValue("originalName", name));
if (description != null)
bitstream.getField().add(
createValue("description", description));
bitstream.getField().add(
createValue("format", bit.getFormat()
.getMIMEType()));
bitstream.getField().add(
createValue("size", "" + bit.getSize()));
bitstream.getField().add(createValue("url", url));
bitstream.getField().add(
createValue("checksum", cks));
bitstream.getField().add(
createValue("checksumAlgorithm", cka));
bitstream.getField().add(
createValue("sid", bit.getSequenceID()
+ ""));
}
}
}
catch (SQLException e1)
{
e1.printStackTrace();
}
// Other info
Element other = create("others");
other.getField().add(
createValue("handle", item.getHandle()));
other.getField().add(
createValue("identifier", DSpaceItem.buildIdentifier(item.getHandle())));
other.getField().add(
createValue("lastModifyDate", item
.getLastModified().toString()));
metadata.getElement().add(other);
// Repository Info
Element repository = create("repository");
repository.getField().add(
createValue("name",
ConfigurationManager.getProperty("dspace.name")));
repository.getField().add(
createValue("mail",
ConfigurationManager.getProperty("mail.admin")));
metadata.getElement().add(repository);
// Licensing info
Element license = create("license");
Bundle[] licBundles;
try
{
licBundles = item.getBundles(Constants.LICENSE_BUNDLE_NAME);
if (licBundles.length > 0)
{
Bundle licBundle = licBundles[0];
Bitstream[] licBits = licBundle.getBitstreams();
if (licBits.length > 0)
{
Bitstream licBit = licBits[0];
InputStream in;
try
{
in = licBit.retrieve();
ByteArrayOutputStream out = new ByteArrayOutputStream();
Utils.bufferedCopy(in, out);
license.getField().add(
createValue("bin",
Base64Utils.encode(out.toString())));
metadata.getElement().add(license);
}
catch (AuthorizeException e)
{
log.warn(e.getMessage(), e);
}